RUN-DEMO.ps1

# HR Management System - Complete Demo Runner
Write-Host "🚀 HR Management System - Complete Setup" -ForegroundColor Green
Write-Host "=========================================" -ForegroundColor Gray
Write-Host ""

# Step 1: Setup Java if needed
Write-Host "📋 Step 1: Checking Java..." -ForegroundColor Cyan
try {
    java -version 2>&1 | Out-Null
    if ($LASTEXITCODE -eq 0) {
        Write-Host "✅ Java found in system PATH" -ForegroundColor Green
    } else {
        throw "Java not found"
    }
} catch {
    Write-Host "⚠️  Java not found, setting up portable JDK..." -ForegroundColor Yellow
    
    $jdkDir = "jdk-17"
    if (-not (Test-Path $jdkDir)) {
        Write-Host "📥 Downloading Microsoft OpenJDK 17..." -ForegroundColor Blue
        
        # Use a reliable, fast download
        $url = "https://aka.ms/download-jdk/microsoft-jdk-17.0.8-windows-x64.zip"
        $zip = "jdk17.zip"
        
        try {
            Invoke-WebRequest -Uri $url -OutFile $zip -UseBasicParsing
            Write-Host "📦 Extracting..." -ForegroundColor Blue
            
            Expand-Archive -Path $zip -DestinationPath "temp" -Force
            $folder = Get-ChildItem "temp" | Where-Object { $_.PSIsContainer } | Select-Object -First 1
            Move-Item $folder.FullName $jdkDir
            
            Remove-Item $zip -Force
            Remove-Item "temp" -Recurse -Force
            
            Write-Host "✅ JDK installed successfully" -ForegroundColor Green
        } catch {
            Write-Host "❌ Failed to setup Java. Please install manually:" -ForegroundColor Red
            Write-Host "   https://adoptium.net/temurin/releases/?version=17" -ForegroundColor Yellow
            exit 1
        }
    }
    
    # Set JAVA_HOME for this session
    $javaHome = (Resolve-Path $jdkDir).Path
    $env:JAVA_HOME = $javaHome
    $env:PATH = "$javaHome\bin;$env:PATH"
    Write-Host "✅ Using portable JDK at $javaHome" -ForegroundColor Green
}

Write-Host ""

# Step 2: Kill existing processes
Write-Host "📋 Step 2: Cleaning up..." -ForegroundColor Cyan
Get-Process | Where-Object {$_.ProcessName -match "java|node"} | Stop-Process -Force -ErrorAction SilentlyContinue
Write-Host "✅ Cleaned up existing processes" -ForegroundColor Green
Write-Host ""

# Step 3: Start Backend
Write-Host "📋 Step 3: Starting Spring Boot backend..." -ForegroundColor Cyan
$backendJob = Start-Job -ScriptBlock {
    param($workDir, $javaHome)
    Set-Location $workDir
    cd server
    
    if ($javaHome) {
        $env:JAVA_HOME = $javaHome
        $env:PATH = "$javaHome\bin;$env:PATH"
    }
    
    Write-Output "Starting Maven..."
    .\mvnw.cmd spring-boot:run
} -ArgumentList $PWD, $env:JAVA_HOME

Write-Host "⏳ Waiting for backend to start..." -ForegroundColor Yellow

# Wait for backend with timeout
$timeout = 90
$count = 0
do {
    Start-Sleep -Seconds 2
    $count += 2
    
    try {
        $response = Invoke-WebRequest -Uri "http://localhost:8080/api/departments" -TimeoutSec 3 -UseBasicParsing
        if ($response.StatusCode -eq 200) {
            Write-Host "✅ Backend is ready!" -ForegroundColor Green
            break
        }
    } catch {
        Write-Host "." -NoNewline -ForegroundColor Gray
    }
    
    if ($count -ge $timeout) {
        Write-Host ""
        Write-Host "⚠️  Backend taking longer than expected..." -ForegroundColor Yellow
        Write-Host "   Continuing with frontend setup..." -ForegroundColor Yellow
        break
    }
} while ($true)

Write-Host ""

# Step 4: Start Frontend
Write-Host "📋 Step 4: Starting Angular frontend..." -ForegroundColor Cyan

# Ensure node_modules are installed
cd client
if (-not (Test-Path "node_modules")) {
    Write-Host "📦 Installing npm dependencies..." -ForegroundColor Blue
    npm ci
}

Write-Host "🎨 Starting Angular dev server..." -ForegroundColor Blue
$frontendJob = Start-Job -ScriptBlock {
    param($workDir)
    Set-Location $workDir
    cd client
    npx ng serve --proxy-config proxy.conf.json --port 4200
} -ArgumentList $PWD

# Wait for frontend
Write-Host "⏳ Waiting for frontend to start..." -ForegroundColor Yellow
$timeout = 60
$count = 0
do {
    Start-Sleep -Seconds 2
    $count += 2
    
    try {
        $response = Invoke-WebRequest -Uri "http://localhost:4200" -TimeoutSec 3 -UseBasicParsing
        if ($response.StatusCode -eq 200) {
            Write-Host "✅ Frontend is ready!" -ForegroundColor Green
            break
        }
    } catch {
        Write-Host "." -NoNewline -ForegroundColor Gray
    }
    
    if ($count -ge $timeout) {
        Write-Host ""
        Write-Host "⚠️  Frontend taking longer than expected..." -ForegroundColor Yellow
        break
    }
} while ($true)

cd ..
Write-Host ""

# Step 5: Open browsers
Write-Host "📋 Step 5: Opening demo..." -ForegroundColor Cyan
Start-Process "http://localhost:4200"
Start-Sleep -Seconds 2
Start-Process "http://localhost:8080/api/departments"

Write-Host ""
Write-Host "🎉 HR Management System is running!" -ForegroundColor Green
Write-Host "=========================================" -ForegroundColor Gray
Write-Host ""
Write-Host "📱 Demo URLs:" -ForegroundColor Cyan
Write-Host "   Main App:    http://localhost:4200" -ForegroundColor White
Write-Host "   API Test:    http://localhost:8080/api/departments" -ForegroundColor White
Write-Host "   PDF Report:  http://localhost:8080/api/reports/employees-by-department.pdf" -ForegroundColor White
Write-Host "   Static Page: http://localhost:8080/cards.html" -ForegroundColor White
Write-Host ""
Write-Host "🔧 Demo Steps:" -ForegroundColor Cyan
Write-Host "   1. Search for 'dept01' in the main app" -ForegroundColor White
Write-Host "   2. Click 'View' on any employee" -ForegroundColor White
Write-Host "   3. Try editing employee details" -ForegroundColor White
Write-Host "   4. Download PDF report from navigation" -ForegroundColor White
Write-Host "   5. Visit Cards Showcase page" -ForegroundColor White
Write-Host ""
Write-Host "Press Ctrl+C to stop all servers" -ForegroundColor Yellow

# Keep script alive and monitor jobs
try {
    while ($true) {
        Start-Sleep -Seconds 5
        
        # Check job status
        if ($backendJob.State -eq "Failed") {
            Write-Host "❌ Backend failed" -ForegroundColor Red
            Receive-Job $backendJob
            break
        }
        if ($frontendJob.State -eq "Failed") {
            Write-Host "❌ Frontend failed" -ForegroundColor Red
            Receive-Job $frontendJob
            break
        }
    }
} finally {
    Write-Host "🛑 Stopping servers..." -ForegroundColor Red
    Stop-Job $backendJob -ErrorAction SilentlyContinue
    Stop-Job $frontendJob -ErrorAction SilentlyContinue
    Remove-Job $backendJob -ErrorAction SilentlyContinue
    Remove-Job $frontendJob -ErrorAction SilentlyContinue
}