# AudioForge Prerequisites Checker
# Verifies all required services are running before starting

$Colors = @{
    Red = "Red"
    Green = "Green"
    Yellow = "Yellow"
    Blue = "Cyan"
    Cyan = "Cyan"
}

function Write-Info { Write-Host "[INFO] $args" -ForegroundColor $Colors.Blue }
function Write-Success { Write-Host "[SUCCESS] $args" -ForegroundColor $Colors.Green }
function Write-Warning { Write-Host "[WARNING] $args" -ForegroundColor $Colors.Yellow }
function Write-Error { Write-Host "[ERROR] $args" -ForegroundColor $Colors.Red }

Write-Host "`n╔═══════════════════════════════════════════════════════════╗" -ForegroundColor Cyan
Write-Host "║      AudioForge Prerequisites Checker                    ║" -ForegroundColor Cyan
Write-Host "╚═══════════════════════════════════════════════════════════╝`n" -ForegroundColor Cyan

$allGood = $true

# Check Docker
Write-Info "Checking Docker Desktop..."
try {
    $dockerVersion = docker --version 2>&1
    if ($LASTEXITCODE -eq 0) {
        Write-Success "Docker found: $dockerVersion"
        
        # Check if Docker daemon is running
        try {
            $null = docker ps 2>&1 | Out-Null
            if ($LASTEXITCODE -eq 0) {
                Write-Success "Docker daemon is running"
            } else {
                Write-Error "Docker daemon is NOT running!"
                Write-Warning "Please start Docker Desktop and try again"
                $allGood = $false
            }
        } catch {
            Write-Error "Cannot connect to Docker daemon"
            Write-Warning "Please start Docker Desktop and try again"
            $allGood = $false
        }
    } else {
        Write-Error "Docker not found!"
        Write-Warning "Please install Docker Desktop from https://www.docker.com/products/docker-desktop"
        $allGood = $false
    }
} catch {
    Write-Error "Docker not found in PATH"
    Write-Warning "Please install Docker Desktop from https://www.docker.com/products/docker-desktop"
    $allGood = $false
}

# Check Python
Write-Info "Checking Python..."
try {
    $pythonVersion = python --version 2>&1
    if ($LASTEXITCODE -eq 0) {
        Write-Success "Python found: $pythonVersion"
    } else {
        Write-Error "Python not found!"
        $allGood = $false
    }
} catch {
    Write-Error "Python not found in PATH"
    $allGood = $false
}

# Check Node.js
Write-Info "Checking Node.js..."
try {
    $nodeVersion = node --version 2>&1
    if ($LASTEXITCODE -eq 0) {
        Write-Success "Node.js found: $nodeVersion"
    } else {
        Write-Error "Node.js not found!"
        $allGood = $false
    }
} catch {
    Write-Error "Node.js not found in PATH"
    $allGood = $false
}

# Check pnpm
Write-Info "Checking pnpm..."
try {
    $pnpmVersion = pnpm --version 2>&1
    if ($LASTEXITCODE -eq 0) {
        Write-Success "pnpm found: v$pnpmVersion"
    } else {
        Write-Warning "pnpm not found, will install automatically"
    }
} catch {
    Write-Warning "pnpm not found, will install automatically"
}

Write-Host ""

if ($allGood) {
    Write-Host "╔═══════════════════════════════════════════════════════════╗" -ForegroundColor Green
    Write-Host "║         ✅ All Prerequisites Satisfied! ✅                ║" -ForegroundColor Green
    Write-Host "╚═══════════════════════════════════════════════════════════╝`n" -ForegroundColor Green
    Write-Info "You can now run: .\scripts\dev_start.ps1"
    exit 0
} else {
    Write-Host "╔═══════════════════════════════════════════════════════════╗" -ForegroundColor Red
    Write-Host "║         ❌ Prerequisites Not Met ❌                        ║" -ForegroundColor Red
    Write-Host "╚═══════════════════════════════════════════════════════════╝`n" -ForegroundColor Red
    Write-Info "Please fix the issues above and run this script again"
    exit 1
}