name: Build and Release APK

on:
  push:
    branches: [main]
  workflow_dispatch:

env:
  ANDROID_HOME: ${{ runner.tool_cache }}/android-sdk
  ANDROID_SDK_ROOT: ${{ runner.tool_cache }}/android-sdk

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest
    outputs:
      apk-path: ${{ steps.upload-apk.outputs.path }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Node
        uses: actions/setup-node@v4
        with:
          node-version: 22

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

      - name: Install Android SDK
        run: |
          if [ -x "$ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager" ]; then
            echo "Android SDK already present in cache"
          else
            rm -rf "$ANDROID_HOME/cmdline-tools"
            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"
          fi
          # Accept all licenses by writing known license hashes
          mkdir -p "$ANDROID_HOME/licenses"
          echo "8933bad161af4178b1185d1a37fbf41ea5269c55" > "$ANDROID_HOME/licenses/android-sdk-license"
          echo "d56f5187479451eabf01fb78af6dfcb131a6481e" >> "$ANDROID_HOME/licenses/android-sdk-license"
          echo "24333f8a63b6825ea9c5514f83c2829b004d1fee" >> "$ANDROID_HOME/licenses/android-sdk-license"
          "$ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager" \
            "platform-tools" \
            "platforms;android-36" \
            "build-tools;36.0.0" \
            "ndk;27.1.12297006"
          mkdir -p carry-your-live/android/app
          echo "sdk.dir=$ANDROID_HOME" > carry-your-live/android/app/local.properties

      - name: Install JS dependencies
        working-directory: carry-your-live
        run: |
          for i in {1..3}; do
            npm ci && break || sleep 10
          done

      - name: Generate debug keystore (signs the release APK)
        run: |
          mkdir -p carry-your-live/android/app
          rm -f carry-your-live/android/app/debug.keystore
          keytool -genkeypair -v \
            -keystore carry-your-live/android/app/debug.keystore \
            -alias androiddebugkey -storepass android -keypass android \
            -keyalg RSA -keysize 2048 -validity 10000 \
            -dname "CN=Android Debug,O=Android,C=US"

      - name: Build release APK
        run: |
          cd carry-your-live/android
          ./gradlew assembleRelease

      - name: Upload APK
        id: upload-apk
        uses: actions/upload-artifact@v4
        with:
          name: carry-your-live-release
          path: carry-your-live/android/app/build/outputs/release/app-release.apk

  release:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Download APK artifact
        uses: actions/download-artifact@v4
        with:
          name: carry-your-live-release
          path: .

      - name: Compute next version
        id: version
        run: |
          latest=$(git tag --list 'v[0-9]*' --sort=-v:refname | head -n 1)
          if [ -z "$latest" ]; then
            next="v1.0.0"
          else
            latest=${latest#v}
            IFS='.' read -r major minor patch <<< "$latest"
            next="v${major}.${minor}.$((patch + 1))"
          fi
          echo "next=${next}" >> "$GITHUB_OUTPUT"

      - name: Build changelog
        id: changelog
        run: |
          prev_tag=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          if [ -z "$prev_tag" ]; then
            log=$(git log --oneline --no-merges main | head -n 40)
          else
            log=$(git log --oneline --no-merges "$prev_tag"..main | head -n 40)
          fi
          {
            echo "body<<EOF"
            echo "## What's new in this release"
            echo ""
            echo "$log" | sed 's/^/- /'
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Create release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.version.outputs.next }}
          name: ${{ steps.version.outputs.next }}
          body: ${{ steps.changelog.outputs.body }}
          files: ./app-release.apk
          generate_release_notes: false