name: Build Android APK

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:
    inputs:
      version_name:
        description: '版本名称 (例如 1.0.0)'
        required: false
        default: '1.0.0'

jobs:
  build:
    name: Build Release APK
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

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

      - name: Setup Gradle
        uses: gradle/actions/setup-gradle@v3

      - name: Sync Web Assets to Android
        run: |
          chmod +x android/copy-web-assets.sh
          ./android/copy-web-assets.sh

      - name: Setup Keystore
        id: sign_setup
        run: |
          mkdir -p android/keystore
          KEYSTORE_PATH="$GITHUB_WORKSPACE/android/keystore/release.jks"
          
          if [ -n "${{ secrets.SIGNING_KEY }}" ]; then
            echo "Using custom signing key from repository secrets..."
            echo "${{ secrets.SIGNING_KEY }}" | base64 --decode > "$KEYSTORE_PATH"
            echo "SIGNING_KEY_FILE=$KEYSTORE_PATH" >> $GITHUB_ENV
            echo "KEY_STORE_PASSWORD=${{ secrets.KEY_STORE_PASSWORD }}" >> $GITHUB_ENV
            echo "ALIAS=${{ secrets.ALIAS }}" >> $GITHUB_ENV
            echo "KEY_PASSWORD=${{ secrets.KEY_PASSWORD }}" >> $GITHUB_ENV
          else
            echo "No custom signing key provided. Generating self-signed release keystore for this build..."
            keytool -genkeypair -v \
              -keystore "$KEYSTORE_PATH" \
              -alias "workhours" \
              -keyalg RSA \
              -keysize 2048 \
              -validity 10000 \
              -storepass "workhours123" \
              -keypass "workhours123" \
              -dname "CN=WorkHours, OU=OpenClaw, O=WorkHoursTracker, L=Wuhan, ST=Hubei, C=CN"
            echo "SIGNING_KEY_FILE=$KEYSTORE_PATH" >> $GITHUB_ENV
            echo "KEY_STORE_PASSWORD=workhours123" >> $GITHUB_ENV
            echo "ALIAS=workhours" >> $GITHUB_ENV
            echo "KEY_PASSWORD=workhours123" >> $GITHUB_ENV
          fi

      - name: Build with Gradle
        run: |
          cd android
          chmod +x gradlew
          ./gradlew assembleRelease --stacktrace

      - name: Prepare APK Artifact
        id: prepare_apk
        run: |
          VERSION="${{ github.event.inputs.version_name || github.ref_name || '1.0.0' }}"
          VERSION="${VERSION#v}" # 剥离前缀 v
          
          OUTPUT_DIR="android/app/build/outputs/apk/release"
          APK_FILE=$(find "$OUTPUT_DIR" -name "*.apk" | head -n 1)
          
          if [ -z "$APK_FILE" ]; then
            echo "Error: APK not found!"
            exit 1
          fi
          
          TARGET_APK="work-hours-tracker-v${VERSION}.apk"
          cp "$APK_FILE" "$TARGET_APK"
          echo "Built APK: $TARGET_APK"
          echo "apk_path=$TARGET_APK" >> $GITHUB_OUTPUT
          echo "version=$VERSION" >> $GITHUB_OUTPUT

      - name: Upload APK to Artifacts
        uses: actions/upload-artifact@v4
        with:
          name: work-hours-tracker-${{ steps.prepare_apk.outputs.version }}
          path: ${{ steps.prepare_apk.outputs.apk_path }}
          retention-days: 30

      - name: Create GitHub Release
        if: startsWith(github.ref, 'refs/tags/v')
        uses: softprops/action-gh-release@v2
        with:
          files: ${{ steps.prepare_apk.outputs.apk_path }}
          name: Work Hours Tracker v${{ steps.prepare_apk.outputs.version }}
          draft: false
          prerelease: false
          generate_release_notes: true