name: Release

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:
    inputs:
      version:
        description: 'Version tag (e.g., v1.0.0)'
        required: true
        default: 'v1.0.0'

jobs:
  # Get version first (quick job)
  get-version:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.version.outputs.version }}
    steps:
      - name: Get version
        id: version
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            echo "version=${{ github.event.inputs.version }}" >> $GITHUB_OUTPUT
          else
            echo "version=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
          fi

  # Android and iOS build in PARALLEL
  build-android:
    runs-on: ubuntu-latest
    needs: get-version
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Java
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: '17'

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.21'
          cache-dependency-path: go_backend/go.sum

      # Cache Gradle for faster builds
      - name: Cache Gradle
        uses: actions/cache@v4
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: gradle-${{ runner.os }}-

      - name: Install Android SDK & NDK
        uses: android-actions/setup-android@v3

      - name: Install gomobile
        run: |
          go install golang.org/x/mobile/cmd/gomobile@latest
          gomobile init

      - name: Build Go backend for Android
        working-directory: go_backend
        run: |
          mkdir -p ../android/app/libs
          gomobile bind -target=android -androidapi 24 -o ../android/app/libs/gobackend.aar .
        env:
          CGO_ENABLED: 1

      - name: Setup Flutter
        uses: subosito/flutter-action@v2
        with:
          channel: 'stable'
          cache: true

      - name: Get Flutter dependencies
        run: flutter pub get

      - name: Generate app icons
        run: dart run flutter_launcher_icons

      - name: Build APK (Release)
        run: flutter build apk --release --split-per-abi

      - name: Rename APKs
        run: |
          VERSION=${{ needs.get-version.outputs.version }}
          cd build/app/outputs/flutter-apk
          mv app-arm64-v8a-release.apk SpotiFLAC-${VERSION}-arm64.apk || true
          mv app-armeabi-v7a-release.apk SpotiFLAC-${VERSION}-arm32.apk || true
          mv app-release.apk SpotiFLAC-${VERSION}-universal.apk || true
          ls -la

      - name: Upload APK artifact
        uses: actions/upload-artifact@v4
        with:
          name: android-apk
          path: build/app/outputs/flutter-apk/SpotiFLAC-*.apk

  build-ios:
    runs-on: macos-latest
    needs: get-version  # Only depends on version, NOT android build!
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.21'
          cache-dependency-path: go_backend/go.sum

      # Cache CocoaPods
      - name: Cache CocoaPods
        uses: actions/cache@v4
        with:
          path: ios/Pods
          key: pods-${{ runner.os }}-${{ hashFiles('ios/Podfile.lock') }}
          restore-keys: pods-${{ runner.os }}-

      - name: Install gomobile
        run: |
          go install golang.org/x/mobile/cmd/gomobile@latest
          gomobile init

      - name: Build Go backend for iOS
        working-directory: go_backend
        run: |
          mkdir -p ../ios/Frameworks
          gomobile bind -target=ios -o ../ios/Frameworks/Gobackend.xcframework .
        env:
          CGO_ENABLED: 1

      - name: Verify XCFramework created
        run: |
          ls -la ios/Frameworks/
          ls -la ios/Frameworks/Gobackend.xcframework/ || (echo "ERROR: XCFramework not found!" && exit 1)
          
      - name: Add XCFramework to Xcode project
        run: |
          # Install xcodeproj gem for modifying Xcode project
          sudo gem install xcodeproj
          
          # Create Ruby script to add framework
          cat > add_framework.rb << 'EOF'
          require 'xcodeproj'
          
          project_path = 'ios/Runner.xcodeproj'
          project = Xcodeproj::Project.open(project_path)
          
          # Get the main target
          target = project.targets.find { |t| t.name == 'Runner' }
          
          # Get or create Frameworks group
          frameworks_group = project.main_group.find_subpath('Frameworks', true)
          frameworks_group ||= project.main_group.new_group('Frameworks')
          
          # Add XCFramework reference
          framework_path = 'Frameworks/Gobackend.xcframework'
          framework_ref = frameworks_group.new_file(framework_path, :project)
          
          # Add to frameworks build phase
          frameworks_build_phase = target.frameworks_build_phase
          frameworks_build_phase.add_file_reference(framework_ref)
          
          # Add to embed frameworks build phase
          embed_phase = target.build_phases.find { |p| p.is_a?(Xcodeproj::Project::Object::PBXCopyFilesBuildPhase) && p.name == 'Embed Frameworks' }
          if embed_phase
            build_file = embed_phase.add_file_reference(framework_ref)
            build_file.settings = { 'ATTRIBUTES' => ['CodeSignOnCopy', 'RemoveHeadersOnCopy'] }
          end
          
          project.save
          puts "Successfully added Gobackend.xcframework to Xcode project"
          EOF
          
          ruby add_framework.rb

      - name: Setup Flutter
        uses: subosito/flutter-action@v2
        with:
          channel: 'stable'
          cache: true

      - name: Get Flutter dependencies
        run: flutter pub get

      - name: Generate app icons
        run: dart run flutter_launcher_icons

      - name: Build iOS (unsigned)
        run: flutter build ios --release --no-codesign

      - name: Create IPA
        run: |
          VERSION=${{ needs.get-version.outputs.version }}
          mkdir -p build/ios/ipa
          cd build/ios/iphoneos
          mkdir Payload
          cp -r Runner.app Payload/
          zip -r ../ipa/SpotiFLAC-${VERSION}-ios-unsigned.ipa Payload
          rm -rf Payload

      - name: Upload IPA artifact
        uses: actions/upload-artifact@v4
        with:
          name: ios-ipa
          path: build/ios/ipa/SpotiFLAC-*.ipa

  create-release:
    runs-on: ubuntu-latest
    needs: [get-version, build-android, build-ios]
    permissions:
      contents: write
    
    steps:
      - name: Download Android APK
        uses: actions/download-artifact@v4
        with:
          name: android-apk
          path: ./release

      - name: Download iOS IPA
        uses: actions/download-artifact@v4
        with:
          name: ios-ipa
          path: ./release

      - name: Create Release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: ${{ needs.get-version.outputs.version }}
          name: SpotiFLAC ${{ needs.get-version.outputs.version }}
          body: |
            ## SpotiFLAC ${{ needs.get-version.outputs.version }}
            
            Download Spotify tracks in FLAC quality from Tidal, Qobuz & Amazon Music.
            
            ### Downloads
            - **Android (arm64)**: `SpotiFLAC-${{ needs.get-version.outputs.version }}-arm64.apk` (recommended)
            - **Android (arm32)**: `SpotiFLAC-${{ needs.get-version.outputs.version }}-arm32.apk` (older devices)
            - **iOS**: `SpotiFLAC-${{ needs.get-version.outputs.version }}-ios-unsigned.ipa` (sideload required)
            
            ### Installation
            **Android**: Enable "Install from unknown sources" and install the APK
            **iOS**: Use AltStore, Sideloadly, or similar tools to sideload the IPA
          files: ./release/*
          draft: false
          prerelease: false
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}