Flutter_install.ps1

# Flutter Installation Script for Windows
# Run this script as Administrator for best results

param(
    [Parameter(Mandatory=$true)]
    [string]$FlutterZipPath,
    
    [string]$InstallPath = "C:\flutter",
    
    [switch]$SkipAndroidStudio,
    
    [switch]$SkipVisualStudio
)

Write-Host "=== Flutter Installation Script ===" -ForegroundColor Green
Write-Host "Flutter ZIP: $FlutterZipPath" -ForegroundColor Yellow
Write-Host "Install Path: $InstallPath" -ForegroundColor Yellow

# Check if running as administrator
$isAdmin = ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
if (-not $isAdmin) {
    Write-Warning "Not running as Administrator. Some operations may fail."
}

# Function to add to PATH
function Add-ToPath {
    param([string]$PathToAdd)
    
    $currentPath = [Environment]::GetEnvironmentVariable("PATH", "User")
    if ($currentPath -notlike "*$PathToAdd*") {
        $newPath = "$currentPath;$PathToAdd"
        [Environment]::SetEnvironmentVariable("PATH", $newPath, "User")
        Write-Host "Added $PathToAdd to PATH" -ForegroundColor Green
        
        # Update current session PATH
        $env:PATH += ";$PathToAdd"
    } else {
        Write-Host "$PathToAdd already in PATH" -ForegroundColor Yellow
    }
}

# Function to check if command exists
function Test-Command {
    param([string]$Command)
    try {
        Get-Command $Command -ErrorAction Stop | Out-Null
        return $true
    } catch {
        return $false
    }
}

# Step 1: Extract Flutter
Write-Host "`n=== Step 1: Extracting Flutter ===" -ForegroundColor Cyan

if (-not (Test-Path $FlutterZipPath)) {
    Write-Error "Flutter ZIP file not found at: $FlutterZipPath"
    exit 1
}

if (Test-Path $InstallPath) {
    Write-Host "Flutter directory already exists. Removing..." -ForegroundColor Yellow
    Remove-Item $InstallPath -Recurse -Force
}

Write-Host "Extracting Flutter to $InstallPath..." -ForegroundColor White
try {
    Expand-Archive -Path $FlutterZipPath -DestinationPath (Split-Path $InstallPath -Parent) -Force
    Write-Host "Flutter extracted successfully!" -ForegroundColor Green
} catch {
    Write-Error "Failed to extract Flutter: $_"
    exit 1
}

# Step 2: Add Flutter to PATH
Write-Host "`n=== Step 2: Adding Flutter to PATH ===" -ForegroundColor Cyan
$flutterBinPath = Join-Path $InstallPath "bin"
Add-ToPath $flutterBinPath

# Step 3: Install Git (if not present)
Write-Host "`n=== Step 3: Checking Git Installation ===" -ForegroundColor Cyan
if (-not (Test-Command "git")) {
    Write-Host "Git not found. Installing Git..." -ForegroundColor Yellow
    
    if (Test-Command "winget") {
        winget install --id Git.Git -e --source winget
    } elseif (Test-Command "choco") {
        choco install git -y
    } else {
        Write-Warning "Please install Git manually from https://git-scm.com/download/win"
        Write-Host "After installing Git, restart this script." -ForegroundColor Yellow
    }
} else {
    Write-Host "Git is already installed" -ForegroundColor Green
}

# Step 4: Install Android Studio (optional)
if (-not $SkipAndroidStudio) {
    Write-Host "`n=== Step 4: Installing Android Studio ===" -ForegroundColor Cyan
    
    if (Test-Command "winget") {
        Write-Host "Installing Android Studio via winget..." -ForegroundColor White
        winget install --id Google.AndroidStudio -e --source winget
    } elseif (Test-Command "choco") {
        Write-Host "Installing Android Studio via Chocolatey..." -ForegroundColor White
        choco install androidstudio -y
    } else {
        Write-Warning "Package manager not found. Please install Android Studio manually:"
        Write-Host "Download from: https://developer.android.com/studio" -ForegroundColor Yellow
    }
} else {
    Write-Host "`n=== Step 4: Skipping Android Studio ===" -ForegroundColor Yellow
}

# Step 5: Install Visual Studio (for Windows development)
if (-not $SkipVisualStudio) {
    Write-Host "`n=== Step 5: Installing Visual Studio Build Tools ===" -ForegroundColor Cyan
    
    if (Test-Command "winget") {
        Write-Host "Installing Visual Studio Build Tools..." -ForegroundColor White
        winget install --id Microsoft.VisualStudio.2022.BuildTools -e --source winget
    } elseif (Test-Command "choco") {
        Write-Host "Installing Visual Studio Build Tools via Chocolatey..." -ForegroundColor White
        choco install visualstudio2022buildtools -y
    } else {
        Write-Warning "Package manager not found. Please install Visual Studio manually:"
        Write-Host "Download from: https://visualstudio.microsoft.com/downloads/" -ForegroundColor Yellow
    }
} else {
    Write-Host "`n=== Step 5: Skipping Visual Studio ===" -ForegroundColor Yellow
}

# Step 6: Install Chrome (for web development)
Write-Host "`n=== Step 6: Checking Chrome Installation ===" -ForegroundColor Cyan
$chromeInstalled = Test-Path "C:\Program Files\Google\Chrome\Application\chrome.exe" -or 
                   Test-Path "C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"

if (-not $chromeInstalled) {
    Write-Host "Chrome not found. Installing Chrome..." -ForegroundColor Yellow
    
    if (Test-Command "winget") {
        winget install --id Google.Chrome -e --source winget
    } elseif (Test-Command "choco") {
        choco install googlechrome -y
    } else {
        Write-Warning "Please install Chrome manually from https://www.google.com/chrome/"
    }
} else {
    Write-Host "Chrome is already installed" -ForegroundColor Green
}

# Step 7: Run Flutter Doctor
Write-Host "`n=== Step 7: Running Flutter Doctor ===" -ForegroundColor Cyan
Write-Host "Checking Flutter installation..." -ForegroundColor White

# Refresh environment variables
$env:PATH = [Environment]::GetEnvironmentVariable("PATH", "User") + ";" + [Environment]::GetEnvironmentVariable("PATH", "Machine")

try {
    & "$flutterBinPath\flutter.bat" doctor
} catch {
    Write-Warning "Flutter doctor failed to run. You may need to restart your terminal."
    Write-Host "Try running 'flutter doctor' manually after restarting." -ForegroundColor Yellow
}

# Step 8: Accept Android licenses (if Android Studio was installed)
if (-not $SkipAndroidStudio) {
    Write-Host "`n=== Step 8: Android License Setup ===" -ForegroundColor Cyan
    Write-Host "To accept Android licenses, run the following command after Android Studio setup:" -ForegroundColor Yellow
    Write-Host "flutter doctor --android-licenses" -ForegroundColor White
}

Write-Host "`n=== Flutter Installation Complete! ===" -ForegroundColor Green
Write-Host "Next steps:" -ForegroundColor White
Write-Host "1. Restart your terminal or VS Code" -ForegroundColor White
Write-Host "2. Run 'flutter doctor' to verify installation" -ForegroundColor White
Write-Host "3. If using Android: Set up Android SDK in Android Studio" -ForegroundColor White
Write-Host "4. Run 'flutter doctor --android-licenses' to accept Android licenses" -ForegroundColor White
Write-Host "5. Create your first Flutter app: 'flutter create my_app'" -ForegroundColor White

Write-Host "`nUseful Flutter commands:" -ForegroundColor Cyan
Write-Host "flutter doctor          - Check installation" -ForegroundColor White
Write-Host "flutter create my_app   - Create new Flutter project" -ForegroundColor White
Write-Host "flutter run             - Run Flutter app" -ForegroundColor White
Write-Host "flutter build           - Build Flutter app" -ForegroundColor White