<%@ Language=VBScript %>
<%
Option Explicit
Response.Buffer = True
Response.ContentType = "application/json"

' Declare and create database connection
Dim objConn, rs
Set objConn = Server.CreateObject("ADODB.Connection")
objConn.ConnectionString = "Driver={MySQL ODBC 9.4 Unicode Driver};" & _
                           "Server=192.168.122.1;" & _
                           "Port=3306;" & _
                           "Database=shopdb;" & _
                           "User=570005354;" & _
                           "Password=570005354;" & _
                           "Option=3;"
objConn.Open
Set rs = Server.CreateObject("ADODB.Recordset")

' ============================================================================
' ShopDB API - PowerShell Data Collection Endpoint
' ============================================================================
' Purpose: Receive PC asset data from PowerShell scripts and store in Phase 2 schema
' Created: 2025-11-13
' Modified: 2025-11-13 - Fixed objConn scoping, machinetypeid Phase 2 fix
' Schema: Phase 2 (machines table, machinetypeid 33/34/35 for PCs)
' ============================================================================

<!--#include file="./includes/db_helpers.asp"-->

' Error handling wrapper
On Error Resume Next

' Get action from POST or GET
Dim action
action = Request.Form("action")
If action = "" Then action = Request.QueryString("action")

' Route to appropriate handler
Select Case action
    Case "updateCompleteAsset"
        UpdateCompleteAsset()
    Case "updatePrinterMapping"
        UpdatePrinterMapping()
    Case "updateInstalledApps"
        UpdateInstalledApps()
    Case "getDashboardData"
        GetDashboardData()
    Case Else
        SendError "Invalid action: " & action
End Select

' Clean up
If Not objConn Is Nothing Then
    If objConn.State = 1 Then objConn.Close
    Set objConn = Nothing
End If

' ============================================================================
' MAIN HANDLERS
' ============================================================================

Sub UpdateCompleteAsset()
    On Error Resume Next

    ' Log request
    LogToFile "=== NEW updateCompleteAsset REQUEST ==="
    LogToFile "Hostname: " & Request.Form("hostname")
    LogToFile "Serial: " & Request.Form("serialNumber")
    LogToFile "PC Type: " & Request.Form("pcType")

    ' Get all POST parameters
    Dim hostname, serialnumber, manufacturer, model, pcType
    Dim loggedinuser, machinenumber, osVersion, osid, pcstatusid
    Dim warrantyEndDate, warrantyStatus, warrantyServiceLevel, warrantyDaysRemaining
    Dim networkInterfaces, commConfigs, dncConfig
    Dim dncDualPathEnabled, dncPath1Name, dncPath2Name
    Dim dncGeRegistry32Bit, dncGeRegistry64Bit, dncGeRegistryNotes

    ' Basic PC info
    hostname = Trim(Request.Form("hostname") & "")
    serialnumber = Trim(Request.Form("serialNumber") & "")
    manufacturer = Trim(Request.Form("manufacturer") & "")
    model = Trim(Request.Form("model") & "")
    pcType = Trim(Request.Form("pcType") & "")
    loggedinuser = Trim(Request.Form("loggedInUser") & "")
    machinenumber = Trim(Request.Form("machineNo") & "")
    osVersion = Trim(Request.Form("osVersion") & "")

    ' Warranty data (optional)
    warrantyEndDate = Request.Form("warrantyEndDate")
    warrantyStatus = Trim(Request.Form("warrantyStatus") & "")
    warrantyServiceLevel = Trim(Request.Form("warrantyServiceLevel") & "")
    warrantyDaysRemaining = Request.Form("warrantyDaysRemaining")

    ' Shopfloor data (optional)
    networkInterfaces = Request.Form("networkInterfaces")
    commConfigs = Request.Form("commConfigs")
    dncConfig = Request.Form("dncConfig")

    ' DNC/GE registry data
    dncDualPathEnabled = Request.Form("dncDualPathEnabled")
    dncPath1Name = Trim(Request.Form("dncPath1Name") & "")
    dncPath2Name = Trim(Request.Form("dncPath2Name") & "")
    dncGeRegistry32Bit = Request.Form("dncGeRegistry32Bit")
    dncGeRegistry64Bit = Request.Form("dncGeRegistry64Bit")
    dncGeRegistryNotes = Trim(Request.Form("dncGeRegistryNotes") & "")

    ' Validate required fields
    If hostname = "" Or serialnumber = "" Then
        SendError "hostname and serialNumber are required"
        Exit Sub
    End If

    ' Get OS ID
    osid = GetOrCreateOSID(osVersion)
    pcstatusid = 3 ' Default to "In Use"

    ' Clear existing shopfloor data if this is a shopfloor PC
    Dim machineid
    If pcType = "Shopfloor" Then
        ClearShopfloorData hostname
    End If

    ' Insert or update PC record
    machineid = InsertOrUpdatePC(hostname, serialnumber, manufacturer, model, pcType, _
                                  loggedinuser, machinenumber, osid, pcstatusid, _
                                  warrantyEndDate, warrantyStatus, warrantyServiceLevel, warrantyDaysRemaining)

    If Err.Number <> 0 Then
        SendError "Failed to insert/update PC: " & Err.Description
        Exit Sub
    End If

    If machineid = 0 Then
        SendError "Failed to get machineid after insert/update"
        Exit Sub
    End If

    LogToFile "PC record created/updated. machineid: " & machineid

    ' Insert network interfaces
    Dim interfaceCount
    interfaceCount = 0
    If networkInterfaces <> "" Then
        interfaceCount = InsertNetworkInterfaces(machineid, networkInterfaces)
        LogToFile "Network interfaces inserted: " & interfaceCount
    End If

    ' Insert communication configs (serial ports)
    Dim commConfigCount
    commConfigCount = 0
    If commConfigs <> "" Then
        commConfigCount = InsertCommConfigs(machineid, commConfigs)
        LogToFile "Comm configs inserted: " & commConfigCount
    End If

    ' Insert DNC config
    Dim dncSuccess
    dncSuccess = False
    If dncConfig <> "" Then
        dncSuccess = InsertDNCConfig(machineid, dncConfig, dncDualPathEnabled, dncPath1Name, dncPath2Name, _
                                     dncGeRegistry32Bit, dncGeRegistry64Bit, dncGeRegistryNotes)
        LogToFile "DNC config inserted: " & dncSuccess
    End If

    ' Create PC-to-machine relationship if machine number provided
    Dim relationshipCreated
    relationshipCreated = False
    If machinenumber <> "" Then
        relationshipCreated = CreatePCMachineRelationship(machineid, machinenumber)
        LogToFile "PC-Machine relationship created: " & relationshipCreated
    End If

    ' Update warranty data in separate table
    If warrantyEndDate <> "" Then
        UpdateWarrantyData machineid, warrantyEndDate, warrantyStatus, warrantyServiceLevel, warrantyDaysRemaining
    End If

    ' Send success response
    Dim responseObj
    Set responseObj = Server.CreateObject("Scripting.Dictionary")
    responseObj.Add "success", True
    responseObj.Add "message", "PC asset data updated successfully"
    responseObj.Add "machineid", machineid
    responseObj.Add "hostname", hostname
    responseObj.Add "operation", "complete"

    Dim dataObj
    Set dataObj = Server.CreateObject("Scripting.Dictionary")
    dataObj.Add "networkInterfaces", interfaceCount
    dataObj.Add "commConfigs", commConfigCount
    dataObj.Add "dncConfig", dncSuccess
    dataObj.Add "relationshipCreated", relationshipCreated
    responseObj.Add "data", dataObj

    SendResponse responseObj
End Sub

Sub UpdatePrinterMapping()
    On Error Resume Next

    Dim hostname, printerFQDN
    hostname = Trim(Request.Form("hostname") & "")
    printerFQDN = Trim(Request.Form("printerFQDN") & "")

    If hostname = "" Or printerFQDN = "" Then
        SendError "hostname and printerFQDN are required"
        Exit Sub
    End If

    LogToFile "UpdatePrinterMapping: hostname=" & hostname & ", printerFQDN=" & printerFQDN

    ' Get machineid for this hostname
    Dim machineid
    machineid = GetMachineidByHostname(hostname)

    If machineid = 0 Then
        SendError "PC not found: " & hostname
        Exit Sub
    End If

    ' Find printer by FQDN (try name match, IP match, or alias match)
    Dim printerid, matchMethod
    printerid = 0
    matchMethod = ""

    ' Try exact printer name match
    Dim strSQL, rsResult
    strSQL = "SELECT printerid FROM printers WHERE printername = ?"
    Set rsResult = ExecuteParameterizedQuery(objConn, strSQL, Array(printerFQDN))
    If Not rsResult.EOF Then
        printerid = rsResult("printerid")
        matchMethod = "name"
    End If
    rsResult.Close
    Set rsResult = Nothing

    ' Try IP address match if FQDN looks like an IP
    If printerid = 0 And IsIPAddress(printerFQDN) Then
        strSQL = "SELECT p.printerid FROM printers p " & _
                 "INNER JOIN machines m ON p.machineid = m.machineid " & _
                 "LEFT JOIN communications c ON m.machineid = c.machineid AND c.isprimary = 1 " & _
                 "WHERE c.address = ?"
        Set rsResult = ExecuteParameterizedQuery(objConn, strSQL, Array(printerFQDN))
        If Not rsResult.EOF Then
            printerid = rsResult("printerid")
            matchMethod = "ip"
        End If
        rsResult.Close
        Set rsResult = Nothing
    End If

    If printerid = 0 Then
        SendError "Printer not found: " & printerFQDN
        Exit Sub
    End If

    ' Update machine record to link to this printer
    Dim cmdUpdate
    Set cmdUpdate = Server.CreateObject("ADODB.Command")
    cmdUpdate.ActiveConnection = objConn
    cmdUpdate.CommandText = "UPDATE machines SET printerid = ? WHERE machineid = ?"
    cmdUpdate.Parameters.Append cmdUpdate.CreateParameter("@printerid", 3, 1, , CLng(printerid))
    cmdUpdate.Parameters.Append cmdUpdate.CreateParameter("@machineid", 3, 1, , CLng(machineid))
    cmdUpdate.Execute

    If Err.Number <> 0 Then
        SendError "Failed to update printer mapping: " & Err.Description
        Exit Sub
    End If

    ' Send success response
    Dim responseObj
    Set responseObj = Server.CreateObject("Scripting.Dictionary")
    responseObj.Add "success", True
    responseObj.Add "message", "Printer mapping updated"

    Dim dataObj
    Set dataObj = Server.CreateObject("Scripting.Dictionary")
    dataObj.Add "printerId", printerid
    dataObj.Add "machinesUpdated", 1
    dataObj.Add "matchMethod", matchMethod
    responseObj.Add "data", dataObj

    SendResponse responseObj
End Sub

Sub UpdateInstalledApps()
    On Error Resume Next

    Dim hostname, installedApps
    hostname = Trim(Request.Form("hostname") & "")
    installedApps = Request.Form("installedApps")

    If hostname = "" Or installedApps = "" Then
        SendError "hostname and installedApps are required"
        Exit Sub
    End If

    LogToFile "UpdateInstalledApps: hostname=" & hostname

    ' Get machineid for this hostname
    Dim machineid
    machineid = GetMachineidByHostname(hostname)

    If machineid = 0 Then
        SendError "PC not found: " & hostname
        Exit Sub
    End If

    ' Parse JSON array of apps (simple parsing)
    Dim appsArray
    appsArray = ParseJSONArray(installedApps)

    LogToFile "Parsed apps array, count: " & (UBound(appsArray) + 1)

    ' Clear existing app mappings for this PC
    Dim cmdDelete
    Set cmdDelete = Server.CreateObject("ADODB.Command")
    cmdDelete.ActiveConnection = objConn
    cmdDelete.CommandText = "DELETE FROM machineapplications WHERE machineid = ?"
    cmdDelete.Parameters.Append cmdDelete.CreateParameter("@machineid", 3, 1, , CLng(machineid))
    cmdDelete.Execute

    ' Insert new app mappings
    Dim appCount, i
    appCount = 0

    For i = 0 To UBound(appsArray)
        Dim appName, appVersion
        ' PowerShell sends lowercase 'name' and 'version' keys
        appName = Trim(GetJSONValue(appsArray(i), "name") & "")
        appVersion = Trim(GetJSONValue(appsArray(i), "version") & "")

        LogToFile "App " & i & ": name='" & appName & "', version='" & appVersion & "'"

        If appName <> "" Then
            ' Get or create application ID
            Dim appid
            appid = GetOrCreateApplication(appName, appVersion)

            LogToFile "GetOrCreateApplication returned appid: " & appid

            If appid > 0 Then
                ' Insert mapping
                Dim cmdInsert
                Set cmdInsert = Server.CreateObject("ADODB.Command")
                cmdInsert.ActiveConnection = objConn
                cmdInsert.CommandText = "INSERT INTO machineapplications (machineid, applicationid) VALUES (?, ?)"
                cmdInsert.Parameters.Append cmdInsert.CreateParameter("@machineid", 3, 1, , CLng(machineid))
                cmdInsert.Parameters.Append cmdInsert.CreateParameter("@appid", 3, 1, , CLng(appid))
                cmdInsert.Execute

                If Err.Number = 0 Then
                    appCount = appCount + 1
                End If
            End If
        End If
    Next

    LogToFile "Installed apps inserted: " & appCount

    ' Send success response
    Dim responseObj
    Set responseObj = Server.CreateObject("Scripting.Dictionary")
    responseObj.Add "success", True
    responseObj.Add "message", "Installed applications updated"

    Dim dataObj
    Set dataObj = Server.CreateObject("Scripting.Dictionary")
    dataObj.Add "appsProcessed", appCount
    responseObj.Add "data", dataObj

    SendResponse responseObj
End Sub

Sub GetDashboardData()
    ' Simple health check endpoint
    Dim responseObj
    Set responseObj = Server.CreateObject("Scripting.Dictionary")
    responseObj.Add "success", True
    responseObj.Add "message", "ShopDB API is online"
    responseObj.Add "version", "1.0"
    responseObj.Add "schema", "Phase 2"

    SendResponse responseObj
End Sub

' ============================================================================
' HELPER FUNCTIONS - PC MANAGEMENT
' ============================================================================

Function InsertOrUpdatePC(hostname, serialnumber, manufacturer, model, pcType, _
                          loggedinuser, machinenumber, osid, pcstatusid, _
                          warrantyEndDate, warrantyStatus, warrantyServiceLevel, warrantyDaysRemaining)
    On Error Resume Next

    ' Get or create vendor/model IDs and determine machine type
    Dim vendorId, modelId, machineTypeId
    vendorId = GetOrCreateVendor(objConn, manufacturer)
    modelId = GetOrCreateModel(objConn, model, vendorId)
    machineTypeId = GetMachineTypeIdFromPCType(pcType)

    ' Ensure all IDs are numeric (fallback to safe defaults if empty)
    If Not IsNumeric(vendorId) Or vendorId = "" Then vendorId = 0
    If Not IsNumeric(modelId) Or modelId = "" Then modelId = 1 ' TBD model
    If Not IsNumeric(machineTypeId) Or machineTypeId = "" Then machineTypeId = 33 ' Standard PC

    LogToFile "Vendor ID: " & vendorId & ", Model ID: " & modelId & ", Machine Type ID: " & machineTypeId

    ' Check if PC already exists (Phase 2: identify PCs by machinetypeid 33,34,35)
    Dim strSQL, rsResult, safeHostname
    safeHostname = Replace(hostname, "'", "''")
    strSQL = "SELECT machineid FROM machines WHERE hostname = '" & safeHostname & "' AND machinetypeid IN (33,34,35)"
    Set rsResult = objConn.Execute(strSQL)

    Dim machineid
    machineid = 0

    If Err.Number <> 0 Then
        LogToFile "ERROR checking for existing PC: " & Err.Description
        InsertOrUpdatePC = 0
        Exit Function
    End If

    ' Declare string sanitization variables for both UPDATE and INSERT paths
    Dim safeSerial, safeUser, safeMachineNum

    If Not rsResult.EOF Then
        ' PC exists - UPDATE
        machineid = rsResult("machineid")
        rsResult.Close
        Set rsResult = Nothing

        LogToFile "Updating existing PC, machineid: " & machineid

        ' Build UPDATE with direct values
        safeSerial = Replace(serialnumber, "'", "''")
        If loggedinuser <> "" Then
            safeUser = Replace(loggedinuser, "'", "''")
        Else
            safeUser = ""
        End If
        If machinenumber <> "" Then
            safeMachineNum = Replace(machinenumber, "'", "''")
        Else
            safeMachineNum = ""
        End If

        ' Build UPDATE SQL with proper conditional logic (VBScript doesn't have IIf)
        Dim sqlModelId, sqlUserId, sqlMachineNum, sqlOsId, sqlStatusId

        If modelId > 0 Then
            sqlModelId = CLng(modelId)
        Else
            sqlModelId = "NULL"
        End If

        If safeUser <> "" Then
            sqlUserId = "'" & safeUser & "'"
        Else
            sqlUserId = "NULL"
        End If

        If safeMachineNum <> "" Then
            sqlMachineNum = "'" & safeMachineNum & "'"
        Else
            sqlMachineNum = "NULL"
        End If

        If osid > 0 Then
            sqlOsId = CLng(osid)
        Else
            sqlOsId = "NULL"
        End If

        If pcstatusid > 0 Then
            sqlStatusId = CLng(pcstatusid)
        Else
            sqlStatusId = "NULL"
        End If

        strSQL = "UPDATE machines SET " & _
                 "serialnumber = '" & safeSerial & "', " & _
                 "modelnumberid = " & sqlModelId & ", " & _
                 "machinetypeid = " & CLng(machineTypeId) & ", " & _
                 "loggedinuser = " & sqlUserId & ", " & _
                 "machinenumber = " & sqlMachineNum & ", " & _
                 "osid = " & sqlOsId & ", " & _
                 "machinestatusid = " & sqlStatusId & ", " & _
                 "lastupdated = NOW() " & _
                 "WHERE machineid = " & CLng(machineid) & " AND machinetypeid IN (33,34,35)"

        LogToFile "UPDATE SQL built: " & Left(strSQL, 200) & "..."

        objConn.Execute strSQL

        If Err.Number <> 0 Then
            LogToFile "ERROR updating PC: " & Err.Description
            InsertOrUpdatePC = 0
            Exit Function
        End If
    Else
        ' PC doesn't exist - INSERT
        rsResult.Close
        Set rsResult = Nothing

        LogToFile "Inserting new PC"

        ' Build INSERT with direct values (sanitize strings)
        safeSerial = Replace(serialnumber, "'", "''")
        If loggedinuser <> "" Then
            safeUser = Replace(loggedinuser, "'", "''")
        Else
            safeUser = ""
        End If
        If machinenumber <> "" Then
            safeMachineNum = Replace(machinenumber, "'", "''")
        Else
            safeMachineNum = ""
        End If

        LogToFile "Building INSERT SQL..."
        LogToFile "Values: hostname=" & safeHostname & ", serial=" & safeSerial

        ' Build SQL in parts to isolate error
        Dim sqlPart1, sqlPart2, sqlPart3
        sqlPart1 = "INSERT INTO machines (hostname, serialnumber, modelnumberid, machinetypeid, loggedinuser, machinenumber, osid, machinestatusid, isactive, lastupdated) VALUES ("
        sqlPart2 = "'" & safeHostname & "', '" & safeSerial & "', "

        If modelId > 0 Then
            sqlPart2 = sqlPart2 & CLng(modelId) & ", "
        Else
            sqlPart2 = sqlPart2 & "NULL, "
        End If

        ' machinetypeid is required for PCs (33=Standard, 34=Engineering, 35=Shopfloor)
        sqlPart2 = sqlPart2 & CLng(machineTypeId) & ", "

        If safeUser <> "" Then
            sqlPart2 = sqlPart2 & "'" & safeUser & "', "
        Else
            sqlPart2 = sqlPart2 & "NULL, "
        End If

        If safeMachineNum <> "" Then
            sqlPart2 = sqlPart2 & "'" & safeMachineNum & "', "
        Else
            sqlPart2 = sqlPart2 & "NULL, "
        End If

        If osid > 0 Then
            sqlPart3 = CLng(osid) & ", "
        Else
            sqlPart3 = "NULL, "
        End If

        If pcstatusid > 0 Then
            sqlPart3 = sqlPart3 & CLng(pcstatusid) & ", 1, NOW())"
        Else
            sqlPart3 = sqlPart3 & "NULL, 1, NOW())"
        End If

        strSQL = sqlPart1 & sqlPart2 & sqlPart3
        LogToFile "SQL built successfully, executing..."

        objConn.Execute strSQL

        If Err.Number <> 0 Then
            LogToFile "ERROR inserting PC: " & Err.Description
            InsertOrUpdatePC = 0
            Exit Function
        End If

        ' Get the new machineid
        strSQL = "SELECT LAST_INSERT_ID() AS newid"
        Set rsResult = objConn.Execute(strSQL)
        If Not rsResult.EOF Then
            machineid = CLng(rsResult("newid"))
            LogToFile "Retrieved new machineid from LAST_INSERT_ID: " & machineid
        Else
            machineid = 0
            LogToFile "ERROR: LAST_INSERT_ID returned no rows"
        End If
        rsResult.Close
        Set rsResult = Nothing
    End If

    LogToFile "InsertOrUpdatePC returning machineid: " & machineid
    InsertOrUpdatePC = machineid
End Function

Function GetMachineidByHostname(hostname)
    On Error Resume Next

    Dim strSQL, rsResult, safeHostname
    safeHostname = Replace(hostname, "'", "''")
    strSQL = "SELECT machineid FROM machines WHERE hostname = '" & safeHostname & "' AND machinetypeid IN (33,34,35)"
    Set rsResult = objConn.Execute(strSQL)

    If Not rsResult.EOF Then
        GetMachineidByHostname = CLng(rsResult("machineid"))
    Else
        GetMachineidByHostname = 0
    End If

    rsResult.Close
    Set rsResult = Nothing
End Function

Sub ClearShopfloorData(hostname)
    On Error Resume Next

    Dim machineid
    machineid = GetMachineidByHostname(hostname)

    If machineid = 0 Then
        LogToFile "ClearShopfloorData: Cannot find machineid for hostname: " & hostname
        Exit Sub
    End If

    LogToFile "ClearShopfloorData: Clearing data for machineid " & machineid

    ' Delete from communications table
    Dim cmdDelete
    Set cmdDelete = Server.CreateObject("ADODB.Command")
    cmdDelete.ActiveConnection = objConn
    cmdDelete.CommandText = "DELETE FROM communications WHERE machineid = ?"
    cmdDelete.Parameters.Append cmdDelete.CreateParameter("@machineid", 3, 1, , CLng(machineid))
    cmdDelete.Execute

    LogToFile "Deleted " & cmdDelete.RecordsAffected & " communications records"

    ' Delete from pc_comm_config
    Set cmdDelete = Server.CreateObject("ADODB.Command")
    cmdDelete.ActiveConnection = objConn
    cmdDelete.CommandText = "DELETE FROM pc_comm_config WHERE machineid = ?"
    cmdDelete.Parameters.Append cmdDelete.CreateParameter("@machineid", 3, 1, , CLng(machineid))
    cmdDelete.Execute

    LogToFile "Deleted " & cmdDelete.RecordsAffected & " comm config records"

    ' Delete from pc_dnc_config
    Set cmdDelete = Server.CreateObject("ADODB.Command")
    cmdDelete.ActiveConnection = objConn
    cmdDelete.CommandText = "DELETE FROM pc_dnc_config WHERE machineid = ?"
    cmdDelete.Parameters.Append cmdDelete.CreateParameter("@machineid", 3, 1, , CLng(machineid))
    cmdDelete.Execute

    LogToFile "Deleted " & cmdDelete.RecordsAffected & " DNC config records"
End Sub

' ============================================================================
' HELPER FUNCTIONS - NETWORK & COMMUNICATION
' ============================================================================

Function InsertNetworkInterfaces(machineid, networkInterfacesJSON)
    On Error Resume Next

    Dim interfacesArray
    interfacesArray = ParseJSONArray(networkInterfacesJSON)

    Dim count, i
    count = 0

    For i = 0 To UBound(interfacesArray)
        Dim ipAddress, macAddress, subnetMask, gateway, interfaceName, isMachineNetwork

        ipAddress = Trim(GetJSONValue(interfacesArray(i), "IPAddress") & "")
        macAddress = Trim(GetJSONValue(interfacesArray(i), "MACAddress") & "")
        subnetMask = Trim(GetJSONValue(interfacesArray(i), "SubnetMask") & "")
        gateway = Trim(GetJSONValue(interfacesArray(i), "DefaultGateway") & "")
        interfaceName = Trim(GetJSONValue(interfacesArray(i), "InterfaceName") & "")
        isMachineNetwork = GetJSONValue(interfacesArray(i), "IsMachineNetwork")

        If interfaceName = "" Then interfaceName = "Interface " & (i + 1)

        ' Determine if primary (first interface with valid IP)
        Dim isPrimary
        isPrimary = 0
        If i = 0 And ipAddress <> "" Then isPrimary = 1

        ' Insert into communications table
        Dim cmdInsert
        Set cmdInsert = Server.CreateObject("ADODB.Command")
        cmdInsert.ActiveConnection = objConn
        cmdInsert.CommandText = "INSERT INTO communications (" & _
                                "machineid, comstypeid, address, macaddress, " & _
                                "subnetmask, gateway, interfacename, isprimary, isactive" & _
                                ") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)"

        ' Prepare parameter values (VBScript doesn't have IIf)
        Dim paramAddress, paramMacAddress, paramSubnet, paramGateway
        If ipAddress <> "" Then paramAddress = ipAddress Else paramAddress = Null
        If macAddress <> "" Then paramMacAddress = macAddress Else paramMacAddress = Null
        If subnetMask <> "" Then paramSubnet = subnetMask Else paramSubnet = Null
        If gateway <> "" Then paramGateway = gateway Else paramGateway = Null

        cmdInsert.Parameters.Append cmdInsert.CreateParameter("@machineid", 3, 1, , CLng(machineid))
        cmdInsert.Parameters.Append cmdInsert.CreateParameter("@comstypeid", 3, 1, , 1) ' 1 = Network Interface
        cmdInsert.Parameters.Append cmdInsert.CreateParameter("@address", 200, 1, 45, paramAddress)
        cmdInsert.Parameters.Append cmdInsert.CreateParameter("@macaddress", 200, 1, 17, paramMacAddress)
        cmdInsert.Parameters.Append cmdInsert.CreateParameter("@subnetmask", 200, 1, 45, paramSubnet)
        cmdInsert.Parameters.Append cmdInsert.CreateParameter("@gateway", 200, 1, 45, paramGateway)
        cmdInsert.Parameters.Append cmdInsert.CreateParameter("@interfacename", 200, 1, 50, interfaceName)
        cmdInsert.Parameters.Append cmdInsert.CreateParameter("@isprimary", 3, 1, , isPrimary)
        cmdInsert.Parameters.Append cmdInsert.CreateParameter("@isactive", 3, 1, , 1)

        cmdInsert.Execute

        If Err.Number = 0 Then
            count = count + 1
        Else
            LogToFile "ERROR inserting network interface: " & Err.Description
        End If
    Next

    InsertNetworkInterfaces = count
End Function

Function InsertCommConfigs(machineid, commConfigsJSON)
    On Error Resume Next

    Dim configsArray
    configsArray = ParseJSONArray(commConfigsJSON)

    Dim count, i
    count = 0

    For i = 0 To UBound(configsArray)
        Dim portName, baudRate, dataBits, parity, stopBits, flowControl

        portName = Trim(GetJSONValue(configsArray(i), "PortName") & "")
        baudRate = GetJSONValue(configsArray(i), "BaudRate")
        dataBits = GetJSONValue(configsArray(i), "DataBits")
        parity = Trim(GetJSONValue(configsArray(i), "Parity") & "")
        stopBits = Trim(GetJSONValue(configsArray(i), "StopBits") & "")
        flowControl = Trim(GetJSONValue(configsArray(i), "FlowControl") & "")

        If portName <> "" Then
            Dim cmdInsert
            Set cmdInsert = Server.CreateObject("ADODB.Command")
            cmdInsert.ActiveConnection = objConn
            cmdInsert.CommandText = "INSERT INTO pc_comm_config (" & _
                                    "machineid, portname, baudrate, databits, parity, stopbits, flowcontrol" & _
                                    ") VALUES (?, ?, ?, ?, ?, ?, ?)"

            ' Prepare parameter values (VBScript doesn't have IIf)
            Dim paramBaud, paramDataBits, paramParity, paramStopBits, paramFlowControl
            If IsNumeric(baudRate) Then paramBaud = CLng(baudRate) Else paramBaud = Null
            If IsNumeric(dataBits) Then paramDataBits = CLng(dataBits) Else paramDataBits = Null
            If parity <> "" Then paramParity = parity Else paramParity = Null
            If stopBits <> "" Then paramStopBits = stopBits Else paramStopBits = Null
            If flowControl <> "" Then paramFlowControl = flowControl Else paramFlowControl = Null

            cmdInsert.Parameters.Append cmdInsert.CreateParameter("@machineid", 3, 1, , CLng(machineid))
            cmdInsert.Parameters.Append cmdInsert.CreateParameter("@portname", 200, 1, 50, portName)
            cmdInsert.Parameters.Append cmdInsert.CreateParameter("@baudrate", 3, 1, , paramBaud)
            cmdInsert.Parameters.Append cmdInsert.CreateParameter("@databits", 3, 1, , paramDataBits)
            cmdInsert.Parameters.Append cmdInsert.CreateParameter("@parity", 200, 1, 20, paramParity)
            cmdInsert.Parameters.Append cmdInsert.CreateParameter("@stopbits", 200, 1, 20, paramStopBits)
            cmdInsert.Parameters.Append cmdInsert.CreateParameter("@flowcontrol", 200, 1, 50, paramFlowControl)

            cmdInsert.Execute

            If Err.Number = 0 Then
                count = count + 1
            Else
                LogToFile "ERROR inserting comm config: " & Err.Description
            End If
        End If
    Next

    InsertCommConfigs = count
End Function

Function InsertDNCConfig(machineid, dncConfigJSON, dualPathEnabled, path1Name, path2Name, _
                         geRegistry32Bit, geRegistry64Bit, geRegistryNotes)
    On Error Resume Next

    ' Parse DNC config JSON
    Dim dncObj
    Set dncObj = ParseJSONObject(dncConfigJSON)

    If dncObj Is Nothing Then
        InsertDNCConfig = False
        Exit Function
    End If

    ' Extract DNC values
    Dim site, cnc, ncif, machineNumber, hostType
    Dim ftpHostPrimary, ftpHostSecondary, ftpAccount
    Dim debug, uploads, scanner, dripFeed, additionalSettings

    site = Trim(GetDictValue(dncObj, "Site") & "")
    cnc = Trim(GetDictValue(dncObj, "CNC") & "")
    ncif = Trim(GetDictValue(dncObj, "NCIF") & "")
    machineNumber = Trim(GetDictValue(dncObj, "MachineNumber") & "")
    hostType = Trim(GetDictValue(dncObj, "HostType") & "")
    ftpHostPrimary = Trim(GetDictValue(dncObj, "FTPHostPrimary") & "")
    ftpHostSecondary = Trim(GetDictValue(dncObj, "FTPHostSecondary") & "")
    ftpAccount = Trim(GetDictValue(dncObj, "FTPAccount") & "")
    debug = Trim(GetDictValue(dncObj, "Debug") & "")
    uploads = Trim(GetDictValue(dncObj, "Uploads") & "")
    scanner = Trim(GetDictValue(dncObj, "Scanner") & "")
    dripFeed = Trim(GetDictValue(dncObj, "DripFeed") & "")
    additionalSettings = Trim(GetDictValue(dncObj, "AdditionalSettings") & "")

    ' Convert boolean strings to integers
    Dim dualPathInt, geRegistry32Int, geRegistry64Int
    dualPathInt = ConvertBoolToInt(dualPathEnabled)
    geRegistry32Int = ConvertBoolToInt(geRegistry32Bit)
    geRegistry64Int = ConvertBoolToInt(geRegistry64Bit)

    ' Insert DNC config
    Dim cmdInsert
    Set cmdInsert = Server.CreateObject("ADODB.Command")
    cmdInsert.ActiveConnection = objConn
    cmdInsert.CommandText = "INSERT INTO pc_dnc_config (" & _
                            "machineid, site, cnc, ncif, machinenumber, hosttype, " & _
                            "ftphostprimary, ftphostsecondary, ftpaccount, " & _
                            "debug, uploads, scanner, dripfeed, additionalsettings, " & _
                            "dualpath_enabled, path1_name, path2_name, " & _
                            "ge_registry_32bit, ge_registry_64bit, ge_registry_notes, " & _
                            "lastupdated" & _
                            ") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, NOW())"

    ' Prepare parameter values (VBScript doesn't have IIf)
    Dim pSite, pCnc, pNcif, pMachineNum, pHostType, pFtpPri, pFtpSec, pFtpAcct
    Dim pDebug, pUploads, pScanner, pDripFeed, pAddSet, pDualPath, pPath1, pPath2, pGe32, pGe64, pGeNotes

    If site <> "" Then pSite = site Else pSite = Null
    If cnc <> "" Then pCnc = cnc Else pCnc = Null
    If ncif <> "" Then pNcif = ncif Else pNcif = Null
    If machineNumber <> "" Then pMachineNum = machineNumber Else pMachineNum = Null
    If hostType <> "" Then pHostType = hostType Else pHostType = Null
    If ftpHostPrimary <> "" Then pFtpPri = ftpHostPrimary Else pFtpPri = Null
    If ftpHostSecondary <> "" Then pFtpSec = ftpHostSecondary Else pFtpSec = Null
    If ftpAccount <> "" Then pFtpAcct = ftpAccount Else pFtpAcct = Null
    If debug <> "" Then pDebug = debug Else pDebug = Null
    If uploads <> "" Then pUploads = uploads Else pUploads = Null
    If scanner <> "" Then pScanner = scanner Else pScanner = Null
    If dripFeed <> "" Then pDripFeed = dripFeed Else pDripFeed = Null
    If additionalSettings <> "" Then pAddSet = additionalSettings Else pAddSet = Null
    If dualPathInt >= 0 Then pDualPath = dualPathInt Else pDualPath = Null
    If path1Name <> "" Then pPath1 = path1Name Else pPath1 = Null
    If path2Name <> "" Then pPath2 = path2Name Else pPath2 = Null
    If geRegistry32Int >= 0 Then pGe32 = geRegistry32Int Else pGe32 = Null
    If geRegistry64Int >= 0 Then pGe64 = geRegistry64Int Else pGe64 = Null
    If geRegistryNotes <> "" Then pGeNotes = geRegistryNotes Else pGeNotes = Null

    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@machineid", 3, 1, , CLng(machineid))
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@site", 200, 1, 50, pSite)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@cnc", 200, 1, 50, pCnc)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@ncif", 200, 1, 50, pNcif)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@machinenum", 200, 1, 50, pMachineNum)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@hosttype", 200, 1, 50, pHostType)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@ftppri", 200, 1, 100, pFtpPri)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@ftpsec", 200, 1, 100, pFtpSec)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@ftpacct", 200, 1, 100, pFtpAcct)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@debug", 200, 1, 50, pDebug)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@uploads", 200, 1, 100, pUploads)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@scanner", 200, 1, 50, pScanner)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@dripfeed", 200, 1, 50, pDripFeed)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@addset", 200, 1, 255, pAddSet)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@dualpath", 3, 1, , pDualPath)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@path1", 200, 1, 100, pPath1)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@path2", 200, 1, 100, pPath2)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@ge32", 3, 1, , pGe32)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@ge64", 3, 1, , pGe64)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@genotes", 200, 1, 255, pGeNotes)

    cmdInsert.Execute

    If Err.Number <> 0 Then
        LogToFile "ERROR inserting DNC config: " & Err.Description
        InsertDNCConfig = False
    Else
        InsertDNCConfig = True
    End If
End Function

' ============================================================================
' HELPER FUNCTIONS - RELATIONSHIPS & WARRANTY
' ============================================================================

Function CreatePCMachineRelationship(pcMachineid, machineNumber)
    On Error Resume Next

    If machineNumber = "" Then
        CreatePCMachineRelationship = False
        Exit Function
    End If

    ' Find equipment by machine number (Phase 2: PCs are machinetypeid 33-35, Equipment is 1-32)
    Dim strSQL, rsResult, safeMachineNumber
    safeMachineNumber = Replace(machineNumber, "'", "''")
    strSQL = "SELECT machineid FROM machines WHERE machinenumber = '" & safeMachineNumber & "' AND machinetypeid NOT IN (33,34,35)"
    LogToFile "CreatePCMachineRelationship: Executing SQL: " & strSQL
    Set rsResult = objConn.Execute(strSQL)

    Dim equipmentMachineid
    If Not rsResult.EOF Then
        equipmentMachineid = CLng(rsResult("machineid"))
        LogToFile "CreatePCMachineRelationship: Found equipment machineid=" & equipmentMachineid & " for machine number: " & machineNumber
        If Err.Number <> 0 Then
            LogToFile "CreatePCMachineRelationship: ERROR reading machineid: " & Err.Description
            Err.Clear
            rsResult.Close
            Set rsResult = Nothing
            CreatePCMachineRelationship = False
            Exit Function
        End If
    Else
        LogToFile "CreatePCMachineRelationship: Equipment not found for machine number: " & machineNumber
        rsResult.Close
        Set rsResult = Nothing
        CreatePCMachineRelationship = False
        Exit Function
    End If
    rsResult.Close
    Set rsResult = Nothing

    LogToFile "CreatePCMachineRelationship: Creating relationship PC " & pcMachineid & " → Controls → Equipment " & equipmentMachineid

    ' Get "Controls" relationship type ID
    strSQL = "SELECT relationshiptypeid FROM relationshiptypes WHERE relationshiptype = 'Controls'"
    Set rsResult = objConn.Execute(strSQL)

    Dim relationshiptypeid
    If Not rsResult.EOF Then
        relationshiptypeid = rsResult("relationshiptypeid")
    Else
        LogToFile "CreatePCMachineRelationship: Controls relationship type not found"
        rsResult.Close
        Set rsResult = Nothing
        CreatePCMachineRelationship = False
        Exit Function
    End If
    rsResult.Close
    Set rsResult = Nothing

    ' Check if relationship already exists (PC → Equipment)
    strSQL = "SELECT relationshipid FROM machinerelationships " & _
             "WHERE machineid = " & CLng(pcMachineid) & " AND related_machineid = " & CLng(equipmentMachineid) & " AND relationshiptypeid = " & CLng(relationshiptypeid)
    LogToFile "CreatePCMachineRelationship: Checking for duplicate: " & strSQL
    Set rsResult = objConn.Execute(strSQL)

    If Not rsResult.EOF Then
        ' Relationship already exists
        LogToFile "CreatePCMachineRelationship: Relationship already exists (relationshipid=" & rsResult("relationshipid") & ")"
        rsResult.Close
        Set rsResult = Nothing
        CreatePCMachineRelationship = True
        Exit Function
    End If
    LogToFile "CreatePCMachineRelationship: No duplicate found, proceeding with INSERT"
    rsResult.Close
    Set rsResult = Nothing

    ' Create new Controls relationship (PC → Equipment)
    ' Fixed: PC should be machineid, Equipment should be related_machineid
    Dim cmdInsert
    Set cmdInsert = Server.CreateObject("ADODB.Command")
    cmdInsert.ActiveConnection = objConn
    cmdInsert.CommandText = "INSERT INTO machinerelationships (" & _
                            "machineid, related_machineid, relationshiptypeid, isactive" & _
                            ") VALUES (?, ?, ?, 1)"

    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@pcid", 3, 1, , CLng(pcMachineid))
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@equipmentid", 3, 1, , CLng(equipmentMachineid))
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@reltypeid", 3, 1, , CLng(relationshiptypeid))

    cmdInsert.Execute

    If Err.Number <> 0 Then
        LogToFile "ERROR creating PC-machine relationship: " & Err.Description
        CreatePCMachineRelationship = False
    Else
        LogToFile "Created Controls relationship: Equipment " & equipmentMachineid & " controlled by PC " & pcMachineid
        CreatePCMachineRelationship = True
    End If
End Function

Sub UpdateWarrantyData(machineid, warrantyEndDate, warrantyStatus, warrantyServiceLevel, warrantyDaysRemaining)
    On Error Resume Next

    If warrantyEndDate = "" Then Exit Sub

    ' Check if warranty record exists
    Dim strSQL, rsResult
    strSQL = "SELECT warrantyid FROM warranties WHERE machineid = ?"
    Set rsResult = ExecuteParameterizedQuery(objConn, strSQL, Array(machineid))

    If Not rsResult.EOF Then
        ' UPDATE existing warranty
        Dim warrantyid
        warrantyid = rsResult("warrantyid")
        rsResult.Close
        Set rsResult = Nothing

        Dim cmdUpdate
        Set cmdUpdate = Server.CreateObject("ADODB.Command")
        cmdUpdate.ActiveConnection = objConn
        cmdUpdate.CommandText = "UPDATE warranties SET " & _
                                "enddate = ?, servicelevel = ?, status = ?, daysremaining = ?, " & _
                                "lastcheckeddate = NOW() " & _
                                "WHERE warrantyid = ?"

        ' Prepare parameter values (VBScript doesn't have IIf)
        Dim pServiceLevel, pStatus, pDaysRemaining
        If warrantyServiceLevel <> "" Then pServiceLevel = warrantyServiceLevel Else pServiceLevel = Null
        If warrantyStatus <> "" Then pStatus = warrantyStatus Else pStatus = Null
        If IsNumeric(warrantyDaysRemaining) Then pDaysRemaining = CLng(warrantyDaysRemaining) Else pDaysRemaining = Null

        cmdUpdate.Parameters.Append cmdUpdate.CreateParameter("@enddate", 135, 1, , CDate(warrantyEndDate))
        cmdUpdate.Parameters.Append cmdUpdate.CreateParameter("@servicelevel", 200, 1, 100, pServiceLevel)
        cmdUpdate.Parameters.Append cmdUpdate.CreateParameter("@status", 200, 1, 50, pStatus)
        cmdUpdate.Parameters.Append cmdUpdate.CreateParameter("@daysrem", 3, 1, , pDaysRemaining)
        cmdUpdate.Parameters.Append cmdUpdate.CreateParameter("@warrantyid", 3, 1, , CLng(warrantyid))

        cmdUpdate.Execute
    Else
        ' INSERT new warranty
        rsResult.Close
        Set rsResult = Nothing

        Dim cmdInsert
        Set cmdInsert = Server.CreateObject("ADODB.Command")
        cmdInsert.ActiveConnection = objConn
        cmdInsert.CommandText = "INSERT INTO warranties (" & _
                                "machineid, enddate, servicelevel, status, daysremaining, lastcheckeddate" & _
                                ") VALUES (?, ?, ?, ?, ?, NOW())"

        ' Prepare parameter values (VBScript doesn't have IIf)
        Dim pServiceLevel2, pStatus2, pDaysRemaining2
        If warrantyServiceLevel <> "" Then pServiceLevel2 = warrantyServiceLevel Else pServiceLevel2 = Null
        If warrantyStatus <> "" Then pStatus2 = warrantyStatus Else pStatus2 = Null
        If IsNumeric(warrantyDaysRemaining) Then pDaysRemaining2 = CLng(warrantyDaysRemaining) Else pDaysRemaining2 = Null

        cmdInsert.Parameters.Append cmdInsert.CreateParameter("@machineid", 3, 1, , CLng(machineid))
        cmdInsert.Parameters.Append cmdInsert.CreateParameter("@enddate", 135, 1, , CDate(warrantyEndDate))
        cmdInsert.Parameters.Append cmdInsert.CreateParameter("@servicelevel", 200, 1, 100, pServiceLevel2)
        cmdInsert.Parameters.Append cmdInsert.CreateParameter("@status", 200, 1, 50, pStatus2)
        cmdInsert.Parameters.Append cmdInsert.CreateParameter("@daysrem", 3, 1, , pDaysRemaining2)

        cmdInsert.Execute
    End If
End Sub

' ============================================================================
' HELPER FUNCTIONS - LOOKUPS
' ============================================================================

Function GetOrCreateVendor(conn, vendorName)
    On Error Resume Next

    If vendorName = "" Then
        GetOrCreateVendor = 0
        Exit Function
    End If

    ' Sanitize vendor name (prevent SQL injection)
    Dim safeName
    safeName = Replace(vendorName, "'", "''")

    ' Check if vendor exists
    Dim strSQL, rsResult
    strSQL = "SELECT vendorid FROM vendors WHERE vendor = '" & safeName & "'"
    Set rsResult = conn.Execute(strSQL)

    If Err.Number <> 0 Then
        LogToFile "ERROR querying vendor: " & Err.Description
        GetOrCreateVendor = 0
        Exit Function
    End If

    If Not rsResult.EOF Then
        GetOrCreateVendor = CLng(rsResult("vendorid"))
        rsResult.Close
        Set rsResult = Nothing
        LogToFile "Found existing vendor ID: " & GetOrCreateVendor
        Exit Function
    End If
    rsResult.Close
    Set rsResult = Nothing

    ' Create new vendor
    strSQL = "INSERT INTO vendors (vendor) VALUES ('" & safeName & "')"
    conn.Execute strSQL

    If Err.Number <> 0 Then
        LogToFile "ERROR creating vendor: " & Err.Description
        GetOrCreateVendor = 0
        Exit Function
    End If

    ' Get new vendor ID
    strSQL = "SELECT LAST_INSERT_ID() AS newid"
    Set rsResult = conn.Execute(strSQL)
    GetOrCreateVendor = CLng(rsResult("newid"))
    rsResult.Close
    Set rsResult = Nothing
    LogToFile "Created new vendor ID: " & GetOrCreateVendor
End Function

Function GetOrCreateModel(conn, modelName, vendorId)
    On Error Resume Next

    If modelName = "" Then
        GetOrCreateModel = 1 ' Return TBD model
        Exit Function
    End If

    If vendorId = 0 Then
        GetOrCreateModel = 1
        Exit Function
    End If

    ' Check if model exists for this vendor
    Dim strSQL, rsResult
    strSQL = "SELECT modelnumberid FROM models WHERE modelnumber = ? AND vendorid = ?"
    Set rsResult = ExecuteParameterizedQuery(conn, strSQL, Array(modelName, vendorId))

    If Not rsResult.EOF Then
        GetOrCreateModel = rsResult("modelnumberid")
        rsResult.Close
        Set rsResult = Nothing
        Exit Function
    End If
    rsResult.Close
    Set rsResult = Nothing

    ' Create new model
    Dim cmdInsert
    Set cmdInsert = Server.CreateObject("ADODB.Command")
    cmdInsert.ActiveConnection = conn
    cmdInsert.CommandText = "INSERT INTO models (modelnumber, vendorid, notes, isactive) VALUES (?, ?, ?, 1)"
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@model", 200, 1, 100, modelName)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@vendorid", 3, 1, , CLng(vendorId))
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@notes", 200, 1, 255, "Auto-imported via PowerShell")
    cmdInsert.Execute

    If Err.Number <> 0 Then
        LogToFile "ERROR creating model: " & Err.Description
        GetOrCreateModel = 1
        Exit Function
    End If

    ' Get new model ID
    strSQL = "SELECT LAST_INSERT_ID() AS newid"
    Set rsResult = conn.Execute(strSQL)
    GetOrCreateModel = rsResult("newid")
    rsResult.Close
    Set rsResult = Nothing
End Function

' ============================================================================
' LEGACY FUNCTION REMOVED: GetOrCreatePCType
' This function was replaced by GetMachineTypeIdFromPCType which maps
' PC type strings directly to machinetypeid (33=Standard, 34=Engineer, 35=Shopfloor)
' Removed: 2025-11-17 during Phase 2 migration from pc/pctype to machines/machinetypes
' ============================================================================

Function GetOrCreateOSID(osVersion)
    On Error Resume Next

    If osVersion = "" Then
        GetOrCreateOSID = 0
        Exit Function
    End If

    ' Sanitize OS name
    Dim safeName
    safeName = Replace(osVersion, "'", "''")

    ' Check if OS exists
    Dim strSQL, rsResult
    strSQL = "SELECT osid FROM operatingsystems WHERE operatingsystem = '" & safeName & "'"
    Set rsResult = objConn.Execute(strSQL)

    If Err.Number <> 0 Then
        LogToFile "ERROR querying OS: " & Err.Description
        GetOrCreateOSID = 0
        Exit Function
    End If

    If Not rsResult.EOF Then
        GetOrCreateOSID = CLng(rsResult("osid"))
        rsResult.Close
        Set rsResult = Nothing
        Exit Function
    End If
    rsResult.Close
    Set rsResult = Nothing

    ' Create new OS
    strSQL = "INSERT INTO operatingsystems (operatingsystem) VALUES ('" & safeName & "')"
    objConn.Execute strSQL

    If Err.Number <> 0 Then
        LogToFile "ERROR creating OS: " & Err.Description
        GetOrCreateOSID = 0
        Exit Function
    End If

    ' Get new OS ID
    strSQL = "SELECT LAST_INSERT_ID() AS newid"
    Set rsResult = objConn.Execute(strSQL)
    GetOrCreateOSID = CLng(rsResult("newid"))
    rsResult.Close
    Set rsResult = Nothing
End Function

Function GetOrCreateApplication(appName, appVersion)
    On Error Resume Next

    LogToFile "GetOrCreateApplication called with appName='" & appName & "', appVersion='" & appVersion & "'"

    If appName = "" Then
        LogToFile "ERROR: appName is empty"
        GetOrCreateApplication = 0
        Exit Function
    End If

    ' Check if application exists
    Dim strSQL, rsResult
    strSQL = "SELECT applicationid FROM applications WHERE applicationname = ?"
    Set rsResult = ExecuteParameterizedQuery(objConn, strSQL, Array(appName))

    If Err.Number <> 0 Then
        LogToFile "ERROR querying applications: " & Err.Description
        GetOrCreateApplication = 0
        Exit Function
    End If

    If Not rsResult.EOF Then
        GetOrCreateApplication = rsResult("applicationid")
        LogToFile "Found existing applicationid: " & GetOrCreateApplication
        rsResult.Close
        Set rsResult = Nothing
        Exit Function
    End If
    rsResult.Close
    Set rsResult = Nothing

    LogToFile "Application not found, creating new..."

    ' Create new application
    ' Prepare parameter value (VBScript doesn't have IIf)
    Dim pVersion
    If appVersion <> "" Then pVersion = appVersion Else pVersion = Null

    Dim cmdInsert
    Set cmdInsert = Server.CreateObject("ADODB.Command")
    cmdInsert.ActiveConnection = objConn
    cmdInsert.CommandText = "INSERT INTO applications (applicationname, version) VALUES (?, ?)"
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@appname", 200, 1, 255, appName)
    cmdInsert.Parameters.Append cmdInsert.CreateParameter("@version", 200, 1, 50, pVersion)
    cmdInsert.Execute

    If Err.Number <> 0 Then
        LogToFile "ERROR creating application: " & Err.Description
        GetOrCreateApplication = 0
        Exit Function
    End If

    ' Get new application ID
    strSQL = "SELECT LAST_INSERT_ID() AS newid"
    Set rsResult = objConn.Execute(strSQL)
    GetOrCreateApplication = rsResult("newid")
    LogToFile "Created new application with id: " & GetOrCreateApplication
    rsResult.Close
    Set rsResult = Nothing
End Function

Function GetMachineTypeIdFromPCType(pcTypeString)
    On Error Resume Next

    ' Direct mapping from pcType parameter to machinetypeid (Phase 2 schema)
    ' Phase 2 PC Machine Types: 33=Standard PC, 34=Engineering PC, 35=Shopfloor PC

    Dim pcTypeClean
    pcTypeClean = Trim(UCase(pcTypeString))

    Select Case pcTypeClean
        Case "ENGINEER", "ENGINEERING"
            GetMachineTypeIdFromPCType = 34 ' Engineering PC
        Case "SHOPFLOOR", "SHOP FLOOR"
            GetMachineTypeIdFromPCType = 35 ' Shopfloor PC
        Case "STANDARD", ""
            GetMachineTypeIdFromPCType = 33 ' Standard PC
        Case Else
            LogToFile "Unknown pcType '" & pcTypeString & "', defaulting to Standard PC (33)"
            GetMachineTypeIdFromPCType = 33 ' Default to Standard PC
    End Select

    LogToFile "Mapped pcType '" & pcTypeString & "' to machinetypeid: " & GetMachineTypeIdFromPCType
End Function

' ============================================================================
' HELPER FUNCTIONS - JSON PARSING (Simple)
' ============================================================================

Function ParseJSONArray(jsonString)
    ' Very simple JSON array parser - splits by objects
    ' Assumes format: [{"key":"value",...},{"key":"value",...}]

    If jsonString = "" Or IsNull(jsonString) Then
        ParseJSONArray = Array()
        Exit Function
    End If

    ' Remove outer brackets and whitespace
    Dim cleaned
    cleaned = Trim(jsonString)
    If Left(cleaned, 1) = "[" Then cleaned = Mid(cleaned, 2)
    If Right(cleaned, 1) = "]" Then cleaned = Left(cleaned, Len(cleaned) - 1)

    ' Split by },{
    Dim items
    items = Split(cleaned, "},{")

    ' Clean up each item (add back braces)
    Dim i
    For i = 0 To UBound(items)
        items(i) = Trim(items(i))
        If Left(items(i), 1) <> "{" Then items(i) = "{" & items(i)
        If Right(items(i), 1) <> "}" Then items(i) = items(i) & "}"
    Next

    ParseJSONArray = items
End Function

Function ParseJSONObject(jsonString)
    ' Return a dictionary for simple JSON parsing
    Dim dict
    Set dict = Server.CreateObject("Scripting.Dictionary")

    If jsonString = "" Or IsNull(jsonString) Then
        Set ParseJSONObject = dict
        Exit Function
    End If

    ' Simple key-value extraction
    Dim cleaned
    cleaned = Trim(jsonString)
    If Left(cleaned, 1) = "{" Then cleaned = Mid(cleaned, 2)
    If Right(cleaned, 1) = "}" Then cleaned = Left(cleaned, Len(cleaned) - 1)

    ' Split by comma (simple approach)
    Dim pairs, pair, i
    pairs = Split(cleaned, ",")

    For i = 0 To UBound(pairs)
        pair = Trim(pairs(i))
        If InStr(pair, ":") > 0 Then
            Dim key, value
            key = Trim(Split(pair, ":")(0))
            value = Trim(Split(pair, ":")(1))

            ' Remove quotes
            key = Replace(Replace(key, """", ""), "'", "")
            value = Replace(Replace(value, """", ""), "'", "")

            dict.Add key, value
        End If
    Next

    Set ParseJSONObject = dict
End Function

Function GetJSONValue(jsonObjectString, keyName)
    ' Extract a single value from JSON object string
    ' Format: {"Key":"Value",...}

    If jsonObjectString = "" Or IsNull(jsonObjectString) Then
        GetJSONValue = ""
        Exit Function
    End If

    Dim pattern
    pattern = """" & keyName & """\s*:\s*""([^""]*)""|""" & keyName & """\s*:\s*([^,}]*)"

    Dim regex
    Set regex = New RegExp
    regex.Pattern = pattern
    regex.IgnoreCase = True

    Dim matches
    Set matches = regex.Execute(jsonObjectString)

    If matches.Count > 0 Then
        If matches(0).SubMatches(0) <> "" Then
            GetJSONValue = matches(0).SubMatches(0)
        Else
            GetJSONValue = Trim(matches(0).SubMatches(1))
        End If
    Else
        GetJSONValue = ""
    End If
End Function

Function GetDictValue(dict, keyName)
    If dict.Exists(keyName) Then
        GetDictValue = dict(keyName)
    Else
        GetDictValue = ""
    End If
End Function

' ============================================================================
' HELPER FUNCTIONS - UTILITIES
' ============================================================================

Function ConvertBoolToInt(value)
    ' Convert various boolean representations to 0/1 or -1 for NULL
    If IsNull(value) Or value = "" Then
        ConvertBoolToInt = -1
        Exit Function
    End If

    Dim strValue
    strValue = LCase(Trim(CStr(value)))

    Select Case strValue
        Case "true", "1", "yes"
            ConvertBoolToInt = 1
        Case "false", "0", "no"
            ConvertBoolToInt = 0
        Case Else
            ConvertBoolToInt = -1
    End Select
End Function

Function IsIPAddress(value)
    ' Simple IP address validation
    If value = "" Then
        IsIPAddress = False
        Exit Function
    End If

    Dim regex
    Set regex = New RegExp
    regex.Pattern = "^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$"

    IsIPAddress = regex.Test(value)
End Function

' ============================================================================
' HELPER FUNCTIONS - RESPONSE & LOGGING
' ============================================================================

Sub SendResponse(responseDict)
    ' Convert dictionary to JSON and send
    Response.Clear
    Response.ContentType = "application/json"
    Response.Write DictToJSON(responseDict)
    Response.End
End Sub

Sub SendError(message)
    Response.Clear
    Response.ContentType = "application/json"
    Response.Write "{""success"":false,""error"":""" & EscapeJSON(message) & """}"
    Response.End
End Sub

Function DictToJSON(dict)
    ' Simple dictionary to JSON converter
    Dim json, key, value
    json = "{"

    Dim first
    first = True

    For Each key In dict.Keys
        If Not first Then json = json & ","
        first = False

        value = dict(key)

        json = json & """" & EscapeJSON(key) & """:"

        If IsObject(value) Then
            ' Nested dictionary
            json = json & DictToJSON(value)
        ElseIf IsNull(value) Then
            json = json & "null"
        ElseIf VarType(value) = vbBoolean Then
            If value Then
                json = json & "true"
            Else
                json = json & "false"
            End If
        ElseIf IsNumeric(value) Then
            json = json & value
        Else
            json = json & """" & EscapeJSON(CStr(value)) & """"
        End If
    Next

    json = json & "}"
    DictToJSON = json
End Function

Function EscapeJSON(value)
    ' Escape special characters for JSON
    Dim result
    result = CStr(value)
    result = Replace(result, "\", "\\")
    result = Replace(result, """", "\""")
    result = Replace(result, vbCr, "\r")
    result = Replace(result, vbLf, "\n")
    result = Replace(result, vbTab, "\t")
    EscapeJSON = result
End Function

Sub LogToFile(message)
    On Error Resume Next

    Dim fso, logFile, logPath
    logPath = Server.MapPath("./logs/api.log")

    Set fso = Server.CreateObject("Scripting.FileSystemObject")

    ' Create logs directory if it doesn't exist
    Dim logsDir
    logsDir = Server.MapPath("./logs")
    If Not fso.FolderExists(logsDir) Then
        fso.CreateFolder logsDir
    End If

    ' Append to log file
    Set logFile = fso.OpenTextFile(logPath, 8, True) ' 8 = ForAppending
    logFile.WriteLine Now() & " - " & message
    logFile.Close

    Set logFile = Nothing
    Set fso = Nothing
End Sub

%>