# Rebuild Flutter Web App and Restart Server
$ErrorActionPreference = "Stop"

Write-Host "========================================" -ForegroundColor Cyan
Write-Host "Rebuilding Flutter Web App" -ForegroundColor Cyan
Write-Host "========================================" -ForegroundColor Cyan

# Kill Flutter web server on port 8081
Write-Host "[1/3] Stopping Flutter web server..." -ForegroundColor Yellow
$flutterPid = Get-NetTCPConnection -LocalPort 8081 -State Listen -ErrorAction SilentlyContinue | Select-Object -First 1 -ExpandProperty OwningProcess
if ($flutterPid) {
    Stop-Process -Id $flutterPid -Force
    Start-Sleep -Seconds 2
    Write-Host "      [OK] Flutter web server stopped" -ForegroundColor Green
} else {
    Write-Host "      [SKIP] No Flutter web server running" -ForegroundColor Gray
}

# Rebuild Flutter web app
Write-Host "[2/3] Rebuilding Flutter web app..." -ForegroundColor Yellow
cd C:\DEV\COPILOT\geutebruck_app

# Refresh PATH to find flutter
$env:Path = [System.Environment]::GetEnvironmentVariable('Path', 'Machine') + ';' + [System.Environment]::GetEnvironmentVariable('Path', 'User')

# Find flutter executable
$flutterExe = Get-Command flutter -ErrorAction SilentlyContinue

if (-not $flutterExe) {
    Write-Host "      [ERROR] Flutter not found in PATH!" -ForegroundColor Red
    Write-Host "      Looking for Flutter in common locations..." -ForegroundColor Yellow

    # Common Flutter locations on Windows
    $possiblePaths = @(
        "$env:USERPROFILE\flutter\bin\flutter.bat",
        "C:\flutter\bin\flutter.bat",
        "C:\src\flutter\bin\flutter.bat"
    )

    foreach ($path in $possiblePaths) {
        if (Test-Path $path) {
            Write-Host "      [FOUND] Flutter at: $path" -ForegroundColor Green
            $flutterExe = $path
            break
        }
    }

    if (-not $flutterExe) {
        Write-Host "      [ERROR] Could not find Flutter! Please install Flutter or add it to PATH." -ForegroundColor Red
        exit 1
    }
}

Write-Host "      Using Flutter: $($flutterExe.Source)" -ForegroundColor Cyan

# Run flutter build
& $flutterExe build web --release

if ($LASTEXITCODE -eq 0) {
    Write-Host "      [OK] Flutter web app built successfully" -ForegroundColor Green
} else {
    Write-Host "      [ERROR] Flutter build failed with exit code $LASTEXITCODE" -ForegroundColor Red
    exit 1
}

# Start Flutter web server
Write-Host "[3/3] Starting Flutter web server..." -ForegroundColor Yellow
Start-Process -FilePath "python" `
              -ArgumentList "-m", "http.server", "8081", "--bind", "0.0.0.0" `
              -WorkingDirectory "C:\DEV\COPILOT\geutebruck_app\build\web" `
              -WindowStyle Hidden

Start-Sleep -Seconds 3

$newPid = Get-NetTCPConnection -LocalPort 8081 -State Listen -ErrorAction SilentlyContinue |
          Select-Object -First 1 -ExpandProperty OwningProcess

if ($newPid) {
    Write-Host "      [OK] Flutter web server started (PID: $newPid)" -ForegroundColor Green
} else {
    Write-Host "      [ERROR] Failed to start Flutter web server" -ForegroundColor Red
    exit 1
}

Write-Host ""
Write-Host "========================================" -ForegroundColor Green
Write-Host "Rebuild Complete!" -ForegroundColor Green
Write-Host "========================================" -ForegroundColor Green
Write-Host ""
Write-Host "Flutter Web: http://localhost:8081" -ForegroundColor Cyan
Write-Host "Please refresh your browser (Ctrl+Shift+R) to see changes" -ForegroundColor Yellow
Write-Host ""