# Install-AssetCollectionSchedule.ps1
# Creates a Windows scheduled task to run asset collection 4 times daily in the background

param(
    [string]$ScriptPath = "S:\DT\adata\script\Update-PC-CompleteAsset-Silent.bat",
    [string]$TaskName = "GE Asset Collection",
    [string]$TaskDescription = "Automated PC asset collection for GE shopfloor systems - runs silently 4 times daily"
)

Write-Host "===================================== " -ForegroundColor Cyan
Write-Host "GE Asset Collection - Schedule Installer" -ForegroundColor Cyan
Write-Host "===================================== " -ForegroundColor Cyan
Write-Host ""

# Check if running as administrator
if (-NOT ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) {
    Write-Host "[ERROR] This script must be run as Administrator to create scheduled tasks" -ForegroundColor Red
    Write-Host "Please right-click and 'Run as Administrator'" -ForegroundColor Yellow
    exit 1
}

# Verify the script file exists
if (-not (Test-Path $ScriptPath)) {
    Write-Host "[ERROR] Asset collection script not found at: $ScriptPath" -ForegroundColor Red
    Write-Host "Please ensure the script is deployed to the correct location" -ForegroundColor Yellow
    exit 1
}

Write-Host "Installing scheduled task for automated asset collection..." -ForegroundColor Green
Write-Host "  Script Path: $ScriptPath" -ForegroundColor Gray
Write-Host "  Task Name: $TaskName" -ForegroundColor Gray
Write-Host "  Frequency: 4 times daily (every 6 hours)" -ForegroundColor Gray
Write-Host ""

try {
    # Remove existing task if it exists
    $existingTask = Get-ScheduledTask -TaskName $TaskName -ErrorAction SilentlyContinue
    if ($existingTask) {
        Write-Host "Removing existing scheduled task..." -ForegroundColor Yellow
        Unregister-ScheduledTask -TaskName $TaskName -Confirm:$false
    }

    # Define the action - run the batch file completely hidden
    $action = New-ScheduledTaskAction -Execute "cmd.exe" -Argument "/c `"$ScriptPath`"" -WorkingDirectory "S:\DT\adata\script"

    # Define multiple triggers for 4 times daily (6:00 AM, 12:00 PM, 6:00 PM, 12:00 AM)
    $trigger1 = New-ScheduledTaskTrigger -Daily -At "06:00"
    $trigger2 = New-ScheduledTaskTrigger -Daily -At "12:00" 
    $trigger3 = New-ScheduledTaskTrigger -Daily -At "18:00"
    $trigger4 = New-ScheduledTaskTrigger -Daily -At "00:00"

    # Define settings - run in background, don't disturb users
    $settings = New-ScheduledTaskSettingsSet `
        -AllowStartIfOnBatteries `
        -DontStopIfGoingOnBatteries `
        -StartWhenAvailable `
        -RunOnlyIfNetworkAvailable `
        -DontStopOnIdleEnd `
        -Hidden `
        -Priority 4 `
        -ExecutionTimeLimit (New-TimeSpan -Hours 2) `
        -RestartCount 3 `
        -RestartInterval (New-TimeSpan -Minutes 10)

    # Run as SYSTEM account for maximum permissions and no user interaction
    $principal = New-ScheduledTaskPrincipal -UserId "SYSTEM" -LogonType ServiceAccount -RunLevel Highest

    # Create the scheduled task
    $task = New-ScheduledTask -Action $action -Trigger @($trigger1, $trigger2, $trigger3, $trigger4) -Settings $settings -Principal $principal -Description $TaskDescription

    # Register the task
    Register-ScheduledTask -TaskName $TaskName -InputObject $task -Force

    Write-Host "[SUCCESS] Scheduled task created successfully!" -ForegroundColor Green
    Write-Host ""
    Write-Host "Task Details:" -ForegroundColor Cyan
    Write-Host "  Name: $TaskName" -ForegroundColor Gray
    Write-Host "  Schedule: 4 times daily at 6:00 AM, 12:00 PM, 6:00 PM, 12:00 AM" -ForegroundColor Gray
    Write-Host "  Account: SYSTEM (runs in background)" -ForegroundColor Gray
    Write-Host "  Hidden: Yes (no user interruption)" -ForegroundColor Gray
    Write-Host "  Network Required: Yes" -ForegroundColor Gray
    Write-Host "  Max Runtime: 2 hours" -ForegroundColor Gray
    Write-Host "  Auto Restart: 3 attempts if failed" -ForegroundColor Gray
    Write-Host ""

    # Test the task by running it once
    Write-Host "Testing scheduled task..." -ForegroundColor Yellow
    Start-ScheduledTask -TaskName $TaskName
    
    Start-Sleep -Seconds 3
    
    $taskInfo = Get-ScheduledTaskInfo -TaskName $TaskName
    Write-Host "  Last Run: $($taskInfo.LastRunTime)" -ForegroundColor Gray
    Write-Host "  Last Result: $($taskInfo.LastTaskResult)" -ForegroundColor Gray
    Write-Host "  Next Run: $($taskInfo.NextRunTime)" -ForegroundColor Gray
    Write-Host ""

    Write-Host "[INFO] Task installation complete!" -ForegroundColor Green
    Write-Host "The asset collection will now run automatically 4 times daily in the background." -ForegroundColor Green
    Write-Host "Users will not see any windows or be interrupted during execution." -ForegroundColor Green

} catch {
    Write-Host "[ERROR] Failed to create scheduled task: $($_.Exception.Message)" -ForegroundColor Red
    Write-Host "Please check Windows Event Viewer for additional details" -ForegroundColor Yellow
    exit 1
}

Write-Host ""
Write-Host "===================================== " -ForegroundColor Cyan
Write-Host "Installation Complete" -ForegroundColor Cyan
Write-Host "===================================== " -ForegroundColor Cyan