name: Publish Release

on:
  release:
    types: [published]

env:
  # --- GLOBAL OVERRIDES ---
  # Modify these variables to override default GitHub context 
  PROJECT_NAME: ${{ github.event.repository.name }}
  RELEASE_TAG: ${{ github.ref_name }}
  COMMIT_URL: https://gitea.cheppyjam.ru/${{ github.repository }}/commit # overrode: ${{ github.server_url }} 
  CHANGELOG_FILE: "changelog.md"
  # ------------------------

jobs:
  build-and-release:
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up JDK
        uses: actions/setup-java@v4
        with:
          java-version: '25'
          distribution: 'temurin'
          cache: 'gradle'

      - name: Configure Outputs
        id: config
        run: |
          VERSION=${RELEASE_TAG#v}
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          
          echo "RELEASE_BODY<<EOF" >> $GITHUB_ENV
          echo "${{ github.event.release.body }}" >> $GITHUB_ENV
          echo "EOF" >> $GITHUB_ENV

      - name: Generate Changelog
        id: changelog
        run: |
          git fetch --prune --unshallow --tags || git fetch --tags
          
          echo "# Release Notes" > $CHANGELOG_FILE
          echo "" >> $CHANGELOG_FILE
          
          if [ ! -z "$RELEASE_BODY" ]; then
            echo "$RELEASE_BODY" >> $CHANGELOG_FILE
            echo "" >> $CHANGELOG_FILE
          fi
          
          echo "## Changelog" >> $CHANGELOG_FILE
          echo "" >> $CHANGELOG_FILE
          
          PREVIOUS_TAG=$(git describe --tags --abbrev=0 HEAD~1 2>/dev/null || echo "")
          
          if [ -z "$PREVIOUS_TAG" ]; then
            LOG_RANGE="${RELEASE_TAG}"
            echo "This is the first release." >> $CHANGELOG_FILE
          else
            LOG_RANGE="${PREVIOUS_TAG}..${RELEASE_TAG}"
          fi
          
          FORMAT_STR="* %s ([\`%h\`]($COMMIT_URL/%H))"
          
          FEATS=$(git log $LOG_RANGE --grep="^feat" --pretty=format:"$FORMAT_STR" || true)
          if [ ! -z "$FEATS" ]; then
            echo "### New Features" >> $CHANGELOG_FILE
            echo "$FEATS" >> $CHANGELOG_FILE
            echo "" >> $CHANGELOG_FILE
          fi
          
          FIXES=$(git log $LOG_RANGE --grep="^fix" --pretty=format:"$FORMAT_STR" || true)
          if [ ! -z "$FIXES" ]; then
            echo "### Bug Fixes" >> $CHANGELOG_FILE
            echo "$FIXES" >> $CHANGELOG_FILE
            echo "" >> $CHANGELOG_FILE
          fi
          
          MAINTENANCE=$(git log $LOG_RANGE --grep="^chore\|^refactor\|^perf\|^style" --pretty=format:"$FORMAT_STR" || true)
          if [ ! -z "$MAINTENANCE" ]; then
            echo "### Maintenance" >> $CHANGELOG_FILE
            echo "$MAINTENANCE" >> $CHANGELOG_FILE
            echo "" >> $CHANGELOG_FILE
          fi

      - name: Make gradlew executable
        run: chmod +x gradlew

      - name: Build with Gradle
        run: ./gradlew build

      - name: Update Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ env.RELEASE_TAG }}
          name: "${{ env.PROJECT_NAME }} ${{ env.RELEASE_TAG }}"
          body_path: ${{ env.CHANGELOG_FILE }}
          files: build/libs/*.jar
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}