<!--#include file="./includes/sql.asp"-->
<%
Response.Write("<h1>Cleanup Duplicate Printer Machines</h1>")

' First, show what will be deleted
Response.Write("<h2>Records that will be DELETED:</h2>")
Dim strSQL, rs
strSQL = "SELECT m1.machineid, m1.machinenumber, m1.alias, c.address as ipaddress " &_
         "FROM machines m1 " &_
         "LEFT JOIN communications c ON m1.machineid = c.machineid AND c.comstypeid = 1 " &_
         "WHERE m1.machinetypeid = 15 " &_
         "AND m1.machineid NOT IN ( " &_
         "    SELECT MIN(m2.machineid) " &_
         "    FROM machines m2 " &_
         "    WHERE m2.machinetypeid = 15 " &_
         "    GROUP BY m2.machinenumber " &_
         ") " &_
         "ORDER BY m1.machinenumber, m1.machineid"
set rs = objConn.Execute(strSQL)

Response.Write("<table border='1' style='border-collapse:collapse'>")
Response.Write("<tr><th>Machine ID</th><th>Machine Number</th><th>Alias</th><th>IP</th></tr>")
Dim deleteCount
deleteCount = 0
While Not rs.EOF
    deleteCount = deleteCount + 1
    Response.Write("<tr>")
    Response.Write("<td>" & rs("machineid") & "</td>")
    Response.Write("<td>" & Server.HTMLEncode(rs("machinenumber") & "") & "</td>")
    Response.Write("<td>" & Server.HTMLEncode(rs("alias") & "") & "</td>")
    Response.Write("<td>" & Server.HTMLEncode(rs("ipaddress") & "") & "</td>")
    Response.Write("</tr>")
    rs.MoveNext
Wend
Response.Write("</table>")
rs.Close

Response.Write("<h3>Total records to delete: " & deleteCount & "</h3>")

' Now execute the DELETE
Response.Write("<h2>Executing DELETE...</h2>")
On Error Resume Next
strSQL = "DELETE m1 " &_
         "FROM machines m1 " &_
         "WHERE m1.machinetypeid = 15 " &_
         "AND m1.machineid NOT IN ( " &_
         "    SELECT * FROM ( " &_
         "        SELECT MIN(m2.machineid) " &_
         "        FROM machines m2 " &_
         "        WHERE m2.machinetypeid = 15 " &_
         "        GROUP BY m2.machinenumber " &_
         "    ) AS keep_ids " &_
         ")"
objConn.Execute(strSQL)

If Err.Number <> 0 Then
    Response.Write("<h3 style='color:red'>ERROR:</h3>")
    Response.Write("<p>Error Number: " & Err.Number & "</p>")
    Response.Write("<p>Error Description: " & Server.HTMLEncode(Err.Description) & "</p>")
    Err.Clear
Else
    Response.Write("<h3 style='color:green'>DELETE completed successfully!</h3>")
End If
On Error Goto 0

' Verify no duplicates remain
Response.Write("<h2>Verification - Remaining Duplicates:</h2>")
strSQL = "SELECT machinenumber, COUNT(*) as cnt " &_
         "FROM machines " &_
         "WHERE machinetypeid = 15 " &_
         "GROUP BY machinenumber " &_
         "HAVING COUNT(*) > 1"
set rs = objConn.Execute(strSQL)
If rs.EOF Then
    Response.Write("<p style='color:green;font-weight:bold'>No duplicates remaining! ✓</p>")
Else
    Response.Write("<p style='color:red;font-weight:bold'>WARNING: Duplicates still exist!</p>")
    Response.Write("<table border='1' style='border-collapse:collapse'>")
    Response.Write("<tr><th>Machine Number</th><th>Count</th></tr>")
    While Not rs.EOF
        Response.Write("<tr>")
        Response.Write("<td>" & Server.HTMLEncode(rs("machinenumber") & "") & "</td>")
        Response.Write("<td>" & rs("cnt") & "</td>")
        Response.Write("</tr>")
        rs.MoveNext
    Wend
    Response.Write("</table>")
End If
rs.Close

' Show final count
strSQL = "SELECT COUNT(*) as cnt FROM machines WHERE machinetypeid = 15"
set rs = objConn.Execute(strSQL)
Response.Write("<h3>Final printer machine count: " & rs("cnt") & "</h3>")
rs.Close

objConn.Close
%>
