name: Android Release

on:
  push:
    branches:
      - master

jobs:
  release:
    runs-on: ubuntu-latest

    steps:
      # ------------------- Checkout -------------------
      - name: Checkout
        uses: https://git.daemonlord.ru/actions/checkout@v4
        with:
          fetch-depth: 0
          tags: true

      # ------------------- Setup JDK -------------------
      - name: Set up JDK 17
        uses: https://git.daemonlord.ru/actions/setup-java@v4
        with:
          distribution: temurin
          java-version: 17

      # ------------------- Install Node.js -------------------
      - name: Install Node.js
        run: |
          curl -fsSL https://deb.nodesource.com/setup_22.x | bash -
          apt-get install -y nodejs

      # ------------------- Extract version -------------------
      - name: Extract versionName
        id: extract_version
        run: |
          VERSION=$(grep -oP 'versionName\s+"[^"]+"' app/build.gradle | head -n1 | cut -d'"' -f2 | tr -d '\r\n')
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Detected version: $VERSION"

      # ------------------- Stop if already released -------------------
      - name: Stop if version already released
        id: stop
        run: |
          VERSION=${{ steps.extract_version.outputs.version }}
          if git show-ref --tags --quiet --verify "refs/tags/$VERSION"; then
            echo "Version $VERSION already released, stopping job."
            echo "CONTINUE=false" >> $GITHUB_ENV
          else
            echo "Version $VERSION not released yet, continuing workflow..."
            echo "CONTINUE=true" >> $GITHUB_ENV
          fi

      # ------------------- Decode keystore -------------------
      - name: Decode keystore
        if: env.CONTINUE == 'true'
        run: |
          echo "${{ secrets.KEYSTORE_BASE64 }}" | base64 -d > app/release.keystore

      - name: Make Gradlew executable
        if: env.CONTINUE == 'true'
        run: chmod +x ./gradlew

      # ------------------- Set up Android SDK -------------------
      - name: Set up Android SDK
        if: env.CONTINUE == 'true'
        uses: https://git.daemonlord.ru/actions/setup-android@v3

      # ------------------- Build Release APK -------------------
      - name: Build Release APK
        if: env.CONTINUE == 'true'
        env:
          KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
          KEY_ALIAS: ${{ secrets.KEY_ALIAS }}
          KEY_PASSWORD: ${{ secrets.KEY_PASSWORD }}
        run: ./gradlew --no-daemon assembleRelease

      # ------------------- Git tag -------------------
      - name: Create git tag
        if: env.CONTINUE == 'true'
        run: |
          git tag $VERSION
          git push origin $VERSION

      # ------------------- Gitea release -------------------
      - name: Create Gitea Release
        if: env.CONTINUE == 'true'
        uses: https://git.daemonlord.ru/actions/gitea-release-action@v1
        with:
          server_url: https://git.daemonlord.ru
          repository: ${{ gitea.repository }}
          token: ${{ secrets.API_TOKEN }}
          tag_name: ${{ steps.extract_version.outputs.version }}
          name: Release ${{ steps.extract_version.outputs.version }}
          body: |
            Android release ${{ steps.extract_version.outputs.version }}
          files: |
            app/build/outputs/apk/release/*.apk

      # ------------------- Prepare F-Droid Repo -------------------
      - name: Prepare F-Droid Repo
        if: env.CONTINUE == 'true'
        run: |
          LICENSE="MIT"
          mkdir -p fdroid-repo/repo fdroid-repo/metadata fdroid-repo/icons
          echo "${{ secrets.FDROID_KEYSTORE_BASE64 }}" | base64 -d > fdroid-repo/keystore.jks
          for apk in app/build/outputs/apk/release/*.apk; do
            APPID=$(grep 'applicationId' app/build.gradle | awk -F '"' '{print $2}')
            VERSION=${{ steps.extract_version.outputs.version }}
            NEW_NAME="${APPID}_${VERSION}.apk"
          
            cp "$apk" "fdroid-repo/repo/$NEW_NAME"
          done
  
          cp assets/icon.png fdroid-repo/icons/icon.png
          cp assets/app_icon.png fdroid-repo/icons/app_icon.png 
          
          APPID=$(grep 'applicationId' app/build.gradle | awk -F '"' '{print $2}')
          VERSION_CODE=$(echo $VERSION | awk -F. '{ printf("%d%02d%02d", $1,$2,$3 ? $3 : 0); }')

          for apk in fdroid-repo/repo/*.apk; do
            FILENAME=$(basename "$apk")
            SHA256=$(sha256sum "$apk" | awk '{print $1}')
            SOURCECODE="https://git.daemonlord.ru/${{ gitea.repository }}"

            printf '%s\n' \
              "Id: $APPID" \
              "License: $LICENSE" \
              "SourceCode: $SOURCECODE" \
              "Icon: icons/app_icon.png" \
              "Apk:" \
              "  - versionCode: $VERSION_CODE" \
              "    versionName: \"$VERSION\"" \
              "    path: \"$FILENAME\"" \
              "    originalFileName: \"$FILENAME\"" \
              "    hashes:" \
              "      sha256: \"$SHA256\"" \
            > "fdroid-repo/metadata/$APPID.yml"
          done

      # ------------------- Generate F-Droid config.yml -------------------
      - name: Generate F-Droid config.yml
        if: env.CONTINUE == 'true'
        run: |
          REPO_URL="https://fdroid.daemonlord.ru/"
          REPO_NAME="Anabasis F-Droid Repo"
          REPO_DESC="Automatically generated F-Droid repository"
          GPG_KEY_ALIAS="${{ secrets.FDROID_GPG_KEY_ALIAS }}"
          GPG_KEYSTORE_PATH="fdroid-repo/keystore.jks"
          GPG_KEY_PASSWORD="${{ secrets.FDROID_KEY_PASSWORD }}"

          printf "repo_url: %s\nrepo_name: %s\nrepo_description: %s\nrepo_keyalias: %s\nkeystore: %s\nkeypass: %s\n" \
            "$REPO_URL" \
            "$REPO_NAME" \
            "$REPO_DESC" \
            "$GPG_KEY_ALIAS" \
            "$GPG_KEYSTORE_PATH" \
            "$GPG_KEY_PASSWORD" \
            > fdroid-repo/config.yml

      # ------------------- Generate F-Droid Index -------------------
      - name: Generate F-Droid Index
        if: env.CONTINUE == 'true'
        run: |
          docker run --rm -v $PWD/fdroid-repo:/home/fdroid \
            registry.gitlab.com/fdroid/docker-executable-fdroidserver:master update --nosign --clean

      # ------------------- Deploy F-Droid Repo via SCP -------------------
      - name: Deploy F-Droid Repo via SCP
        if: env.CONTINUE == 'true'
        env:
          SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
          SCP_SERVER: ${{ secrets.SCP_SERVER }}
          SCP_USER: ${{ secrets.SCP_USER }}
          SCP_TARGET_PATH: ${{ secrets.SCP_TARGET_PATH }}
          SCP_PORT: ${{ secrets.SCP_PORT }}
        run: |
          mkdir -p ~/.ssh
          echo "$SSH_PRIVATE_KEY" > ~/.ssh/id_rsa
          chmod 600 ~/.ssh/id_rsa
          ssh-keyscan -p $SCP_PORT -H $SCP_SERVER >> ~/.ssh/known_hosts
          rsync -avz --delete -e "ssh -p $SCP_PORT" fdroid-repo/ $SCP_USER@$SCP_SERVER:$SCP_TARGET_PATH