name: Build & Release

on:
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: https://code.forgejo.org/actions/checkout@v4

      - name: Set up JDK 21
        uses: https://code.forgejo.org/actions/setup-java@v3
        with:
          distribution: 'temurin'
          java-version: '21'
          cache: 'maven'

      - name: Build with Maven
        run: mvn clean package

      - name: Upload plugin artifact
        uses: https://code.forgejo.org/actions/upload-artifact@v3
        with:
          name: velocity-plugin
          path: target/*.jar

  tag:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: https://code.forgejo.org/actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Get latest tag
        id: latest_tag
        run: echo "TAG=$(git describe --tags --match 'V1.*' --abbrev=0 || echo 'V1.1.0')" >> $GITHUB_ENV

      - name: Bump patch version
        id: bump_version
        run: |
          latest_tag="${{ env.TAG }}"
          new_tag=$(echo $latest_tag | awk -F. '{$NF+=1; OFS="."; print $0}')
          echo "NEW_TAG=$new_tag" >> $GITHUB_ENV

      - name: Generate changelog from commits
        id: changelog
        run: |
          if git rev-parse ${{ env.TAG }} >/dev/null 2>&1; then
            changes=$(git log --pretty=format:"- %s" ${{ env.TAG }}..HEAD)
          else
            changes=$(git log --pretty=format:"- %s")
          fi
          echo "CHANGELOG=$changes" >> $GITHUB_ENV

      - name: Create new tag
        run: |
          git config --global user.name "forgejo-actions[bot]"
          git config --global user.email "forgejo-actions@users.noreply.forgejo.org"
          git tag -a ${{ env.NEW_TAG }} -m "Automated release ${{ env.NEW_TAG }}"
          git push origin ${{ env.NEW_TAG }}

  release:
    needs: tag
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: https://code.forgejo.org/actions/checkout@v4

      - name: Download built JAR
        uses: https://code.forgejo.org/actions/download-artifact@v3
        with:
          name: velocity-plugin
          path: release/

      - name: Create Forgejo Release
        uses: https://code.forgejo.org/actions/release@v1
        with:
          files: release/*.jar
          tag_name: ${{ env.NEW_TAG }}
          name: "Melon Proxy ${{ env.NEW_TAG }}"
          body: "${{ env.CHANGELOG }}"