name: Build and Publish Alpha Releases

on:
  push:
    tags:
      - 'v*'

jobs:
  build-android:
    name: Build Android APK
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

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

      - name: Set up Flutter
        uses: subosito/flutter-action@v2
        with:
          flutter-version: '3.47.x'
          channel: 'stable'
          cache: true

      - name: Install Dependencies
        run: flutter pub get

      - name: Run Code Generation
        run: dart run build_runner build --delete-conflicting-outputs

      - name: Decode Android Keystore & Key Properties
        env:
          KEYSTORE_BASE64: ${{ secrets.ANDROID_KEYSTORE_BASE64 }}
          KEY_PROPERTIES: ${{ secrets.ANDROID_KEY_PROPERTIES }}
        run: |
          if [ -n "$KEYSTORE_BASE64" ]; then
            echo "$KEYSTORE_BASE64" | base64 -d > android/app/upload-keystore.jks
            echo "$KEY_PROPERTIES" > android/key.properties
          fi

      - name: Build Split APKs
        run: flutter build apk --release --split-per-abi

      - name: Rename and Stage APK
        run: |
          mkdir -p dist
          TAG_NAME=${GITHUB_REF#refs/tags/}
          cp build/app/outputs/flutter-apk/app-arm64-v8a-release.apk "dist/GLP1Companion-Android-arm64-${TAG_NAME}.apk"

      - name: Upload Artifact for Release
        uses: actions/upload-artifact@v4
        with:
          name: android-release-apk
          path: dist/*.apk
          retention-days: 1

  build-windows:
    name: Build Windows MSIX & Portable
    runs-on: windows-latest
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Set up Flutter
        uses: subosito/flutter-action@v2
        with:
          flutter-version: '3.47.x'
          channel: 'stable'
          cache: true

      - name: Install Dependencies
        shell: pwsh
        run: flutter pub get

      - name: Run Code Generation
        shell: pwsh
        run: dart run build_runner build --delete-conflicting-outputs

      - name: Build Windows Native Release
        shell: pwsh
        run: flutter build windows --release

      - name: Generate MSIX Installer
        shell: pwsh
        run: dart run msix:create --install-certificate false

      - name: Package Portable Zip & Stage MSIX
        shell: pwsh
        run: |
          New-Item -ItemType Directory -Force -Path dist | Out-Null
          $tag = $env:GITHUB_REF -replace 'refs/tags/', ''
          
          # Copy MSIX
          Copy-Item "build\windows\x64\runner\Release\*.msix" "dist\GLP1Companion-Windows-${tag}.msix" -Force
          
          # Compress standalone runner folder
          Compress-Archive -Path "build\windows\x64\runner\Release\*" -DestinationPath "dist\GLP1Companion-Windows-x64-${tag}-Portable.zip" -Force

      - name: Upload Artifacts for Release
        uses: actions/upload-artifact@v4
        with:
          name: windows-release-packages
          path: dist/*
          retention-days: 1

  publish-release:
    name: Attach Assets to Forgejo Release
    needs: [build-android, build-windows]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Download Staged Artifacts
        uses: actions/download-artifact@v4
        with:
          path: staged-assets

      - name: Create Forgejo Release and Upload Assets
        env:
          FORGEJO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          TAG_NAME=${GITHUB_REF#refs/tags/}
          REPO="${{ github.repository }}"
          SERVER="${{ github.server_url }}"
          
          echo "Target Release: $TAG_NAME on $REPO"

          # 1. Fetch or Create Release
          RELEASE_JSON=$(curl -s -X POST "$SERVER/api/v1/repos/$REPO/releases" \
            -H "Authorization: token $FORGEJO_TOKEN" \
            -H "Content-Type: application/json" \
            -d "{
              \"tag_name\": \"$TAG_NAME\",
              \"name\": \"GLP-1 Companion $TAG_NAME\",
              \"body\": \"Automated alpha release build for $TAG_NAME.\",
              \"draft\": false,
              \"prerelease\": true
            }")

          RELEASE_ID=$(echo "$RELEASE_JSON" | grep -o '"id":[0-9]*' | head -n1 | cut -d: -f2)

          if [ -z "$RELEASE_ID" ]; then
            echo "Release may already exist, fetching existing release ID..."
            RELEASE_JSON=$(curl -s "$SERVER/api/v1/repos/$REPO/releases/tags/$TAG_NAME" \
              -H "Authorization: token $FORGEJO_TOKEN")
            RELEASE_ID=$(echo "$RELEASE_JSON" | grep -o '"id":[0-9]*' | head -n1 | cut -d: -f2)
          fi

          echo "Release ID: $RELEASE_ID"

          # 2. Upload All Staged Artifacts to Release
          find staged-assets -type f \( -name "*.apk" -o -name "*.msix" -o -name "*.zip" \) | while read -r FILE; do
            FILENAME=$(basename "$FILE")
            echo "Uploading $FILENAME to release $RELEASE_ID..."
            
            curl -s -X POST "$SERVER/api/v1/repos/$REPO/releases/$RELEASE_ID/assets?name=$FILENAME" \
              -H "Authorization: token $FORGEJO_TOKEN" \
              -H "Content-Type: application/octet-stream" \
              --data-binary @"$FILE" > /dev/null
          done

          echo "All release assets uploaded successfully."