$ErrorActionPreference = "Stop"

Write-Host ""
Write-Host "=== YouTube Personal - Fix File Picker Android 18.10.1 ===" -ForegroundColor Cyan
Write-Host "Projet : $PWD"
Write-Host ""

if (-not (Test-Path ".\pubspec.yaml")) {
    throw "pubspec.yaml introuvable. Lance ce script depuis la racine du projet Flutter."
}

if (-not (Test-Path ".\lib\services\memory_backup_service.dart")) {
    throw "lib/services/memory_backup_service.dart introuvable. Extrais d'abord tout le ZIP dans la racine du projet."
}

# Ferme uniquement l'executable Windows de l'application s'il tourne encore.
Get-Process -Name "youtube_personal" -ErrorAction SilentlyContinue | Stop-Process -Force -ErrorAction SilentlyContinue

$pubspecPath = ".\pubspec.yaml"
$backupPath = ".\pubspec.yaml.before_file_picker_12"
if (-not (Test-Path $backupPath)) {
    Copy-Item $pubspecPath $backupPath
    Write-Host "[OK] Sauvegarde pubspec : $backupPath" -ForegroundColor Green
}

Write-Host "[1/4] Passage a file_picker 12.0.0..." -ForegroundColor Yellow
$content = Get-Content $pubspecPath -Raw

if ($content -match '(?m)^\s*file_picker\s*:\s*.*$') {
    $content = [regex]::Replace(
        $content,
        '(?m)^(\s*)file_picker\s*:\s*.*$',
        '${1}file_picker: 12.0.0',
        1
    )
} else {
    $dependencyAnchor = '(?m)^dependencies\s*:\s*$'
    if ($content -notmatch $dependencyAnchor) {
        throw "Section dependencies introuvable dans pubspec.yaml."
    }
    $content = [regex]::Replace(
        $content,
        $dependencyAnchor,
        "dependencies:`r`n  file_picker: 12.0.0",
        1
    )
}
Set-Content -Path $pubspecPath -Value $content -Encoding UTF8
Write-Host "[OK] file_picker verrouille sur 12.0.0." -ForegroundColor Green

Write-Host "[2/4] Suppression du registrant Android genere precedent..." -ForegroundColor Yellow
$registrant = ".\android\app\src\main\java\io\flutter\plugins\GeneratedPluginRegistrant.java"
if (Test-Path $registrant) {
    Remove-Item $registrant -Force
    Write-Host "[OK] GeneratedPluginRegistrant.java supprime. Flutter va le regenerer." -ForegroundColor Green
} else {
    Write-Host "[INFO] Aucun registrant precedent a supprimer." -ForegroundColor DarkGray
}

if (Test-Path ".\.flutter-plugins-dependencies") {
    Remove-Item ".\.flutter-plugins-dependencies" -Force -ErrorAction SilentlyContinue
}

Write-Host "[3/4] Resolution des dependances..." -ForegroundColor Yellow
flutter pub get
if ($LASTEXITCODE -ne 0) {
    throw "flutter pub get a echoue."
}

Write-Host "[4/4] Formatage et verification rapide..." -ForegroundColor Yellow
dart format ".\lib\services\memory_backup_service.dart"
if ($LASTEXITCODE -ne 0) {
    throw "dart format a echoue."
}

Write-Host ""
Write-Host "[OK] Correctif 18.10.1 applique." -ForegroundColor Green
Write-Host ""
Write-Host "Teste maintenant Android avec :" -ForegroundColor Cyan
Write-Host "flutter run -d f10778d8"
Write-Host ""
Write-Host "Puis APK release avec :" -ForegroundColor Cyan
Write-Host "flutter build apk --release"
Write-Host ""