name: Android Release

on:
  push:
    tags:
      - 'v*'

env:
  ANDROID_HOME: /opt/android-sdk
  NDK_VERSION: 30.0.14904198
  BUILD_TOOLS_VERSION: "36.1.0"
  PLATFORM: android-34
  APK_OUT: target/release/apk/ferrous-solitaire.apk
  GITEA_URL: https://git.aleshym.co
  REPO: funman300/Ferrous-Solitaire

jobs:
  build-apk:
    runs-on: ubuntu-latest

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

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

      - name: Cache Android SDK
        uses: actions/cache@v4
        id: android-cache
        with:
          path: /opt/android-sdk
          key: android-sdk-${{ env.NDK_VERSION }}-${{ env.BUILD_TOOLS_VERSION }}

      - name: Install Android SDK + NDK
        if: steps.android-cache.outputs.cache-hit != 'true'
        run: |
          mkdir -p $ANDROID_HOME/cmdline-tools
          wget -q https://dl.google.com/android/repository/commandlinetools-linux-11076708_latest.zip \
               -O /tmp/cmdtools.zip
          unzip -q /tmp/cmdtools.zip -d $ANDROID_HOME/cmdline-tools
          mv $ANDROID_HOME/cmdline-tools/cmdline-tools $ANDROID_HOME/cmdline-tools/latest
          yes | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager --licenses >/dev/null || true
          $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager \
            "ndk;$NDK_VERSION" \
            "build-tools;$BUILD_TOOLS_VERSION" \
            "platforms;$PLATFORM"

      - name: Set up Rust (stable + aarch64-android)
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: aarch64-linux-android

      - name: Cache Cargo
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry/index
            ~/.cargo/registry/cache
            ~/.cargo/git/db
            ~/.cargo/bin/cargo-ndk
            target/aarch64-linux-android
          key: cargo-android-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: cargo-android-

      - name: Install cargo-ndk
        run: cargo-ndk --version 2>/dev/null || cargo install cargo-ndk --version 4.1.2 --locked

      - name: Decode release keystore
        run: echo "${{ secrets.RELEASE_KEYSTORE_B64 }}" | base64 -d > release.jks

      - name: Build release APK
        env:
          ANDROID_NDK_HOME: /opt/android-sdk/ndk/${{ env.NDK_VERSION }}
          PROFILE: release
          ABIS: arm64-v8a
          KEYSTORE: ./release.jks
          KEYSTORE_PASS: ${{ secrets.RELEASE_KEYSTORE_PASS }}
          KEY_ALIAS: release
          KEY_PASS: ${{ secrets.RELEASE_KEYSTORE_PASS }}
        run: bash scripts/build_android_apk.sh

      - name: Get tag name
        id: tag
        run: echo "name=${GITHUB_REF#refs/tags/}" >> "$GITHUB_OUTPUT"

      - name: Create or get Gitea release
        id: release
        run: |
          TAG="${{ steps.tag.outputs.name }}"
          BASE="${{ env.GITEA_URL }}/api/v1/repos/${{ env.REPO }}"
          AUTH="Authorization: token ${{ secrets.CI_TOKEN }}"

          # Re-use an existing release for this tag (e.g. created manually).
          ID=$(curl -sf -H "$AUTH" "$BASE/releases/tags/$TAG" \
               | python3 -c "import sys,json; print(json.load(sys.stdin).get('id',''))" \
               2>/dev/null || true)

          if [ -z "$ID" ]; then
            ID=$(curl -sf -X POST \
                 -H "$AUTH" -H "Content-Type: application/json" \
                 "$BASE/releases" \
                 -d "{
                   \"tag_name\": \"$TAG\",
                   \"name\": \"$TAG\",
                   \"body\": \"## Android release $TAG\n\n**Install / update with Obtainium** — add this source URL:\n\`\`\`\nhttps://git.aleshym.co/funman300/Ferrous-Solitaire\n\`\`\`\n\nOr download \`ferrous-solitaire.apk\` below and sideload it directly.\",
                   \"draft\": false,
                   \"prerelease\": false
                 }" \
                 | python3 -c "import sys,json; print(json.load(sys.stdin)['id'])")
          fi
          echo "id=$ID" >> "$GITHUB_OUTPUT"

      - name: Upload APK to release
        run: |
          curl -sf -X POST \
            -H "Authorization: token ${{ secrets.CI_TOKEN }}" \
            -F "attachment=@${{ env.APK_OUT }};type=application/vnd.android.package-archive" \
            "${{ env.GITEA_URL }}/api/v1/repos/${{ env.REPO }}/releases/${{ steps.release.outputs.id }}/assets"