$ErrorActionPreference = "Stop"

Write-Host ""
Write-Host "=== YouTube Personal - Memoire 18.10.5 / Couple de dependances compatible ===" -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 "memory_backup_service.dart introuvable. Le patch Memoire 18.10 doit deja etre installe."
}

$pubspecPath = ".\pubspec.yaml"
$backupPath = ".\pubspec.yaml.before_memory_18_10_5"
if (-not (Test-Path $backupPath)) {
    Copy-Item $pubspecPath $backupPath
    Write-Host "[OK] Sauvegarde pubspec : $backupPath" -ForegroundColor Green
}
if (Test-Path ".\pubspec.lock") {
    $lockBackup = ".\pubspec.lock.before_memory_18_10_5"
    if (-not (Test-Path $lockBackup)) {
        Copy-Item ".\pubspec.lock" $lockBackup
        Write-Host "[OK] Sauvegarde lock : $lockBackup" -ForegroundColor Green
    }
}

$content = Get-Content $pubspecPath -Raw

function Set-DependencyLine {
    param([string]$Name, [string]$Version)
    $pattern = "(?m)^(\s*)" + [regex]::Escape($Name) + "\s*:\s*.*$"
    if ($script:content -match $pattern) {
        $script:content = [regex]::Replace(
            $script:content,
            $pattern,
            '${1}' + $Name + ': ' + $Version,
            1
        )
    } else {
        $anchor = '(?m)^dependencies\s*:\s*$'
        if ($script:content -notmatch $anchor) {
            throw "Section dependencies introuvable dans pubspec.yaml."
        }
        $script:content = [regex]::Replace(
            $script:content,
            $anchor,
            "dependencies:`r`n  $Name`: $Version",
            1
        )
    }
}

Write-Host "[1/4] Fix du couple wakelock/package_info..." -ForegroundColor Yellow
$content = [regex]::Replace($content, '(?m)^\s*file_picker\s*:\s*.*(?:\r?\n)?', '')
Set-DependencyLine "wakelock_plus" "1.3.3"
Set-DependencyLine "package_info_plus" "8.3.1"
Set-DependencyLine "file_selector" "1.1.0"
Set-DependencyLine "file_saver" "0.3.1"
Set-Content -Path $pubspecPath -Value $content -Encoding UTF8

Write-Host "[OK] wakelock_plus = 1.3.3" -ForegroundColor Green
Write-Host "[OK] package_info_plus = 8.3.1" -ForegroundColor Green
Write-Host "[OK] file_selector = 1.1.0" -ForegroundColor Green
Write-Host "[OK] file_saver = 0.3.1" -ForegroundColor Green
Write-Host "[OK] file_picker absent" -ForegroundColor Green

Write-Host "[2/4] Suppression des anciens fichiers de registration Flutter..." -ForegroundColor Yellow
$registrant = ".\android\app\src\main\java\io\flutter\plugins\GeneratedPluginRegistrant.java"
if (Test-Path $registrant) {
    Remove-Item $registrant -Force -ErrorAction SilentlyContinue
    Write-Host "[OK] GeneratedPluginRegistrant.java supprime." -ForegroundColor Green
}
if (Test-Path ".\.flutter-plugins-dependencies") {
    Remove-Item ".\.flutter-plugins-dependencies" -Force -ErrorAction SilentlyContinue
    Write-Host "[OK] .flutter-plugins-dependencies supprime." -ForegroundColor Green
}

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

Write-Host "[4/4] Verification des versions resolues..." -ForegroundColor Yellow
$deps = flutter pub deps --style=compact 2>&1 | Out-String
if ($LASTEXITCODE -ne 0) {
    throw "Impossible de verifier les dependances resolues."
}

$checks = @(
    @{ Name = "wakelock_plus"; Version = "1.3.3" },
    @{ Name = "package_info_plus"; Version = "8.3.1" },
    @{ Name = "file_selector"; Version = "1.1.0" },
    @{ Name = "file_saver"; Version = "0.3.1" }
)

foreach ($check in $checks) {
    $pattern = "(?m)\b" + [regex]::Escape($check.Name) + "\s+" + [regex]::Escape($check.Version) + "\b"
    if ($deps -match $pattern) {
        Write-Host "[OK] $($check.Name) $($check.Version) resolu" -ForegroundColor Green
    } else {
        Write-Host "[ATTENTION] $($check.Name) $($check.Version) non confirme dans flutter pub deps" -ForegroundColor Yellow
    }
}

Write-Host ""
Write-Host "[OK] Correctif Memoire 18.10.5 applique." -ForegroundColor Green
Write-Host ""
Write-Host "Teste Android :" -ForegroundColor Cyan
Write-Host "flutter run -d f10778d8"
Write-Host ""
Write-Host "Puis, si le test est bon :" -ForegroundColor Cyan
Write-Host "flutter build apk --release"
Write-Host ""