# Deploy Database Performance Optimizations to AD2
$password = ConvertTo-SecureString 'Paper123!@#' -AsPlainText -Force
$cred = New-Object System.Management.Automation.PSCredential('INTRANET\sysadmin', $password)

Write-Host "========================================" -ForegroundColor Cyan
Write-Host "Test Database Performance Optimization" -ForegroundColor Cyan
Write-Host "========================================`n" -ForegroundColor Cyan

# Step 1: Mount AD2 share
Write-Host "[1/6] Mounting AD2 C$ share..." -ForegroundColor Green
New-PSDrive -Name AD2 -PSProvider FileSystem -Root "\\192.168.0.6\C$" -Credential $cred -ErrorAction Stop | Out-Null
Write-Host "  [OK] Share mounted" -ForegroundColor Green

# Step 2: Backup existing api.js
Write-Host "`n[2/6] Backing up existing api.js..." -ForegroundColor Green
$timestamp = Get-Date -Format "yyyy-MM-dd-HHmmss"
$backupPath = "AD2:\Shares\testdatadb\routes\api.js.backup-$timestamp"
Copy-Item "AD2:\Shares\testdatadb\routes\api.js" $backupPath
Write-Host "  [OK] Backup created: api.js.backup-$timestamp" -ForegroundColor Green

# Step 3: Deploy optimized api.js
Write-Host "`n[3/6] Deploying optimized api.js..." -ForegroundColor Green
$optimizedContent = Get-Content "D:\ClaudeTools\api-js-optimized.js" -Raw
$optimizedContent | Set-Content "AD2:\Shares\testdatadb\routes\api.js" -Encoding UTF8
Write-Host "  [OK] Optimized api.js deployed" -ForegroundColor Green

# Step 4: Stop Node.js server
Write-Host "`n[4/6] Stopping Node.js server..." -ForegroundColor Yellow
try {
    Invoke-Command -ComputerName 192.168.0.6 -Credential $cred -ScriptBlock {
        $nodeProcs = Get-Process node -ErrorAction SilentlyContinue
        if ($nodeProcs) {
            $nodeProcs | ForEach-Object {
                Write-Host "  Stopping process ID: $($_.Id)"
                Stop-Process -Id $_.Id -Force
            }
            Start-Sleep -Seconds 2
            Write-Host "  [OK] Node.js processes stopped"
        } else {
            Write-Host "  [INFO] No Node.js process found"
        }
    } -ErrorAction Stop
} catch {
    Write-Host "  [WARNING] Could not stop via WinRM: $($_.Exception.Message)" -ForegroundColor Yellow
    Write-Host "  [ACTION] You may need to stop the server manually on AD2" -ForegroundColor Yellow
}

# Step 5: Start Node.js server
Write-Host "`n[5/6] Starting Node.js server..." -ForegroundColor Green
try {
    Invoke-Command -ComputerName 192.168.0.6 -Credential $cred -ScriptBlock {
        Set-Location "C:\Shares\testdatadb"

        # Start Node.js in background
        $startInfo = New-Object System.Diagnostics.ProcessStartInfo
        $startInfo.FileName = "node"
        $startInfo.Arguments = "server.js"
        $startInfo.WorkingDirectory = "C:\Shares\testdatadb"
        $startInfo.UseShellExecute = $false
        $startInfo.RedirectStandardOutput = $true
        $startInfo.RedirectStandardError = $true
        $startInfo.CreateNoWindow = $true

        $process = [System.Diagnostics.Process]::Start($startInfo)
        Start-Sleep -Seconds 3

        if (!$process.HasExited) {
            Write-Host "  [OK] Server started (PID: $($process.Id))"
        } else {
            Write-Host "  [ERROR] Server failed to start"
        }
    } -ErrorAction Stop
} catch {
    Write-Host "  [WARNING] Could not start via WinRM: $($_.Exception.Message)" -ForegroundColor Yellow
    Write-Host "  [ACTION] Please start manually: cd C:\Shares\testdatadb && node server.js" -ForegroundColor Yellow
}

# Step 6: Test connectivity
Write-Host "`n[6/6] Testing server connectivity..." -ForegroundColor Green
Start-Sleep -Seconds 2

$portTest = Test-NetConnection -ComputerName 192.168.0.6 -Port 3000 -WarningAction SilentlyContinue -InformationLevel Quiet
if ($portTest) {
    Write-Host "  [OK] Port 3000 is accessible" -ForegroundColor Green
} else {
    Write-Host "  [ERROR] Port 3000 is not accessible - server may not have started" -ForegroundColor Red
}

# Cleanup
Remove-PSDrive -Name AD2 -ErrorAction SilentlyContinue

Write-Host "`n========================================" -ForegroundColor Cyan
Write-Host "Deployment Summary" -ForegroundColor Cyan
Write-Host "========================================" -ForegroundColor Cyan
Write-Host "[OK] Backup created" -ForegroundColor Green
Write-Host "[OK] Optimized code deployed" -ForegroundColor Green
Write-Host "`nOptimizations Applied:" -ForegroundColor Cyan
Write-Host "  - Connection timeout: 10 seconds" -ForegroundColor Cyan
Write-Host "  - WAL mode: Enabled (better concurrency)" -ForegroundColor Cyan
Write-Host "  - Cache size: 64MB" -ForegroundColor Cyan
Write-Host "  - Memory-mapped I/O: 256MB" -ForegroundColor Cyan
Write-Host "  - Synchronous mode: NORMAL (faster, safe)" -ForegroundColor Cyan
Write-Host "`nWeb Interface: http://192.168.0.6:3000" -ForegroundColor Green
Write-Host "`nNext Steps (Optional):" -ForegroundColor Yellow
Write-Host "  - Run VACUUM to optimize database" -ForegroundColor Yellow
Write-Host "  - Test queries via web interface" -ForegroundColor Yellow
Write-Host "========================================`n" -ForegroundColor Cyan