name: release-android

on:
  schedule:
  - cron: "4 3 * * *"
  workflow_dispatch:
    inputs:
      track:
        type: choice
        description: "Google play release track"
        options:
          - none
          - internal
          - alpha
          - beta
          - production
        default: none
        required: true
      release_type:
        type: choice
        description: "GitHub release type"
        options:
          - none
          - prerelease
          - nightly
          - release
        default: release
        required: true
      tag_name:
        description: "Tag name for release"
        required: false
        default: nightly
  workflow_call:

jobs:
  check_commits:
    name: Check for New Commits
    runs-on: ubuntu-latest
    outputs:
      has_new_commits: ${{ steps.check.outputs.new_commits }}

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0  # This fetches all history so we can check commits

      - name: Check for new commits
        id: check
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          # This script checks for commits newer than 23 hours ago
          NEW_COMMITS=$(git rev-list --count --after="$(date -Iseconds -d '23 hours ago')" ${{ github.sha }})
          echo "new_commits=$NEW_COMMITS" >> $GITHUB_OUTPUT
  build:
    needs: check_commits
    if: ${{ needs.check_commits.outputs.has_new_commits > 0 && inputs.release_type != 'none' }}
    name: Build Signed APK
    runs-on: ubuntu-latest
    env:
      SIGNING_KEY_ALIAS: ${{ secrets.SIGNING_KEY_ALIAS }}
      SIGNING_KEY_PASSWORD: ${{ secrets.SIGNING_KEY_PASSWORD }}
      SIGNING_STORE_PASSWORD: ${{ secrets.SIGNING_STORE_PASSWORD }}
      KEY_STORE_FILE: 'android_keystore.jks'
      KEY_STORE_LOCATION: ${{ github.workspace }}/app/keystore/
      GH_USER: ${{ secrets.GH_USER }}
      # GH needed for gh cli
      GH_TOKEN: ${{ secrets.GH_TOKEN }}
      GH_REPO: ${{ github.repository }}

    steps:
      - uses: actions/checkout@v4
      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: '17'
          cache: gradle
      - name: Grant execute permission for gradlew
        run: chmod +x gradlew

      - name: Install system dependencies
        run: |
          sudo apt update && sudo apt install -y gh apksigner

      # Here we need to decode keystore.jks from base64 string and place it
      # in the folder specified in the release signing configuration
      - name: Decode Keystore
        id: decode_keystore
        uses: timheuer/base64-to-file@v1.2
        with:
          fileName: ${{ env.KEY_STORE_FILE }}
          fileDir: ${{ env.KEY_STORE_LOCATION }}
          encodedString: ${{ secrets.KEYSTORE }}

      # update latest tag
      - name: Set latest tag
        uses: rickstaa/action-create-tag@v1
        id: tag_creation
        with:
          tag: "latest"  # or any tag name you wish to use
          message: "Automated tag for HEAD commit"
          force_push_tag: true
          tag_exists_error: false

      - name: Get latest release
        id: latest_release
        uses: kaliber5/action-get-release@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          latest: true

      - name: Generate Changelog
        id: changelog
        uses: requarks/changelog-action@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          toTag: ${{ github.event_name == 'schedule' && 'nightly' || steps.latest_release.outputs.tag_name }}
          fromTag: "latest"
          writeToFile: false  # we won't write to file, just output

      # create keystore path for gradle to read
      - name: Create keystore path env var
        run: |
          store_path=${{ env.KEY_STORE_LOCATION }}${{ env.KEY_STORE_FILE }}
          echo "KEY_STORE_PATH=$store_path" >> $GITHUB_ENV

      - name: Create service_account.json
        id: createServiceAccount
        run: echo '${{ secrets.SERVICE_ACCOUNT_JSON }}' > service_account.json

      # Build and sign APK ("-x test" argument is used to skip tests)
      # add fdroid flavor for apk upload
      - name: Build Fdroid Release APK
        if: ${{ inputs.release_type != '' && inputs.release_type == 'release' }}
        run: ./gradlew :app:assembleFdroidRelease -x test

      - name: Build Fdroid Prerelease APK
        if: ${{ inputs.release_type != '' && inputs.release_type == 'prerelease' }}
        run: ./gradlew :app:assembleFdroidPrerelease -x test

      - name: Build Fdroid Nightly APK
        if: ${{ inputs.release_type == '' || inputs.release_type == 'nightly' }}
        run: ./gradlew :app:assembleFdroidNightly -x test

      - if: ${{ inputs.release_type == '' || inputs.release_type == 'nightly' }}
        run: echo "APK_PATH=$(find . -regex '^.*/build/outputs/apk/fdroid/nightly/.*\.apk$' -type f | head -1)" >> $GITHUB_ENV
      - if: ${{ inputs.release_type != '' && inputs.release_type == 'release' }}
        run: echo "APK_PATH=$(find . -regex '^.*/build/outputs/apk/fdroid/release/.*\.apk$' -type f | head -1)" >> $GITHUB_ENV
      - if: ${{ inputs.release_type != '' && inputs.release_type == 'prerelease' }}
        run: echo "APK_PATH=$(find . -regex '^.*/build/outputs/apk/fdroid/prerelease/.*\.apk$' -type f | head -1)" >> $GITHUB_ENV

      - name: Get version code
        if: ${{ inputs.release_type == 'release' }}
        run: |
          version_code=$(grep "VERSION_CODE" buildSrc/src/main/kotlin/Constants.kt | awk '{print $5}' | tr -d '\n')
          echo "VERSION_CODE=$version_code" >> $GITHUB_ENV

      - name: Commit and push versionCode changes
        if: ${{ inputs.release_type == '' || inputs.release_type == 'nightly'  || inputs.release_type == 'prerelease' }}
        run: |
          git config --global user.name 'GitHub Actions'
          git config --global user.email 'actions@github.com'
          git add versionCode.txt
          git commit -m "Automated build update"

      - name: Push changes
        if: ${{ inputs.release_type == '' || inputs.release_type == 'nightly'  || inputs.release_type == 'prerelease' }}
        uses: ad-m/github-push-action@master
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          branch: ${{ github.ref }}

      # Save the APK after the Build job is complete to publish it as a Github release in the next job
      - name: Upload APK
        uses: actions/upload-artifact@v4.4.3
        with:
          name: wgtunnel
          path: ${{ env.APK_PATH }}

      - name: Download APK from build
        uses: actions/download-artifact@v4
        with:
          name: wgtunnel

      - name: Repository Dispatch for my F-Droid repo
        uses: peter-evans/repository-dispatch@v3
        if: ${{ inputs.release_type == 'release' }}
        with:
          token: ${{ secrets.PAT }}
          repository: zaneschepke/fdroid
          event-type: fdroid-update

      # Setup TAG_NAME, which is used as a general "name"
      - if: github.event_name == 'workflow_dispatch'
        run: echo "TAG_NAME=${{ github.event.inputs.tag_name }}" >> $GITHUB_ENV
      - if: github.event_name == 'schedule'
        run: echo "TAG_NAME=nightly" >> $GITHUB_ENV

      - name: Set version release notes
        if: ${{ inputs.release_type == 'release' }}
        run: |
          RELEASE_NOTES="$(cat ${{ github.workspace }}/fastlane/metadata/android/en-US/changelogs/${{ env.VERSION_CODE }}.txt)"
          echo "RELEASE_NOTES<<EOF" >> $GITHUB_ENV
          echo "$RELEASE_NOTES" >> $GITHUB_ENV
          echo "EOF" >> $GITHUB_ENV

      - name: On nightly release notes
        if: ${{ contains(env.TAG_NAME, 'nightly') }}
        run: |
          echo "RELEASE_NOTES=Nightly build for the latest development version of the app." >> $GITHUB_ENV
          gh release delete nightly --yes || true
          git push origin :nightly || true

      - name: On prerelease release notes
        if: ${{ inputs.release_type == 'prerelease' }}
        run: |
          echo "RELEASE_NOTES=Testing version of app for specific feature." >> $GITHUB_ENV
          gh release delete ${{ github.event.inputs.tag_name }} --yes || true

      - name: Get checksum
        id: checksum
        run: echo "checksum=$(apksigner verify -print-certs ${{ env.APK_PATH }} | grep -Po "(?<=SHA-256 digest:) .*" | tr -d "[:blank:]")" >> $GITHUB_OUTPUT


      - name: Create Release with Fastlane changelog notes
        id: create_release
        uses: softprops/action-gh-release@v2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          body: |
            ${{ env.RELEASE_NOTES }}

            SHA256 fingerprint:
            ```${{ steps.checksum.outputs.checksum }}```

            ### Changelog
            ${{ steps.changelog.outputs.changes }}
          tag_name: ${{ env.TAG_NAME }}
          name: ${{ env.TAG_NAME }}
          draft: false
          prerelease: ${{ inputs.release_type == 'prerelease' || inputs.release_type == '' || inputs.release_type == 'nightly' }}
          make_latest: ${{ inputs.release_type == 'release' }}
          files: ${{ github.workspace }}/${{ env.APK_PATH }}

  publish-play:
    if: ${{ inputs.track != 'none' && inputs.track != '' }}
    name: Publish to Google Play
    runs-on: ubuntu-latest

    env:
      SIGNING_KEY_ALIAS: ${{ secrets.SIGNING_KEY_ALIAS }}
      SIGNING_KEY_PASSWORD: ${{ secrets.SIGNING_KEY_PASSWORD }}
      SIGNING_STORE_PASSWORD: ${{ secrets.SIGNING_STORE_PASSWORD }}
      KEY_STORE_FILE: 'android_keystore.jks'
      KEY_STORE_LOCATION: ${{ github.workspace }}/app/keystore/
      GH_USER: ${{ secrets.GH_USER }}
      GH_TOKEN: ${{ secrets.GH_TOKEN }}

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

      - name: Grant execute permission for gradlew
        run: chmod +x gradlew

      # Here we need to decode keystore.jks from base64 string and place it
      # in the folder specified in the release signing configuration
      - name: Decode Keystore
        id: decode_keystore
        uses: timheuer/base64-to-file@v1.2
        with:
          fileName: ${{ env.KEY_STORE_FILE }}
          fileDir: ${{ env.KEY_STORE_LOCATION }}
          encodedString: ${{ secrets.KEYSTORE }}

      # create keystore path for gradle to read
      - name: Create keystore path env var
        run: |
          store_path=${{ env.KEY_STORE_LOCATION }}${{ env.KEY_STORE_FILE }}
          echo "KEY_STORE_PATH=$store_path" >> $GITHUB_ENV

      - name: Create service_account.json
        id: createServiceAccount
        run: echo '${{ secrets.SERVICE_ACCOUNT_JSON }}' > service_account.json

      - name: Deploy with fastlane
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: '3.2' # Not needed with a .ruby-version file
          bundler-cache: true

      - name: Distribute app to Prod track 🚀
        run: (cd ${{ github.workspace }} && bundle install && bundle exec fastlane ${{ inputs.track }})