name: Release to DockerHub (snapshot, stable)

on:
  push:
    tags:
      - 'v*' # Triggers on any tag starting with 'v' (e.g., v1.0, v2.1.3)
    branches:
      - master
jobs:
  docker:
    name: Publish images
    runs-on: ubuntu-latest
    steps:
      # build the JARs
      - uses: actions/checkout@v5
        with:
          fetch-depth: 0
      - name: Set up JDK 11
        uses: actions/setup-java@v5
        with:
          java-version: 11
          distribution: 'zulu'
      - name: Cache Maven packages
        uses: actions/cache@v5
        with:
          path: ~/.m2
          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
          restore-keys: ${{ runner.os }}-m2
      - name: Build
        run: ./mvnw clean install -DskipTests=true

      # docker workflow
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to DockerHub
        uses: docker/login-action@v3 
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      - name: Setup variables
        run: |
          # set as GitHub ENV variables
          echo "cli_version=$(\./mvnw -o org.apache.maven.plugins:maven-help-plugin:2.1.1:evaluate -Dexpression=project.version | grep -v '\[')" >> $GITHUB_ENV
          echo "build_date=$(date -u +"%Y-%m-%dT%H:%M:%SZ")" >> $GITHUB_ENV
          echo "DOCKER_GENERATOR_IMAGE_NAME=openapitools/openapi-generator-online" >> $GITHUB_ENV
          echo "DOCKER_CODEGEN_CLI_IMAGE_NAME=openapitools/openapi-generator-cli" >> $GITHUB_ENV

      # online images
      - name: Publish openapi-generator-online snapshot version
        if: github.ref_type != 'tag' # not tag (release)
        run: |
          docker buildx create --use
          docker buildx build --push --platform linux/amd64,linux/arm64 --label=org.opencontainers.image.created=${{ env.build_date }} --label=org.opencontainers.image.title=openapi-generator-online --label=org.opencontainers.image.revision=$GITHUB_SHA --label=org.opencontainers.image.version=${{ env.cli_version }} -t ${{ env.DOCKER_GENERATOR_IMAGE_NAME }} ./modules/openapi-generator-online
      - name: Publish openapi-generator-online stable version
        if: github.ref_type == 'tag' # tagged (release)
        run: |
          docker buildx create --use
          docker buildx build --push --platform linux/amd64,linux/arm64 --label=org.opencontainers.image.created=${{ env.build_date }} --label=org.opencontainers.image.title=openapi-generator-online --label=org.opencontainers.image.revision=$GITHUB_SHA --label=org.opencontainers.image.version=${{ env.cli_version }} -t ${{ env.DOCKER_GENERATOR_IMAGE_NAME }}:latest -t ${{ env.DOCKER_GENERATOR_IMAGE_NAME }}:${{ github.ref_name }} -t ${{ env.DOCKER_GENERATOR_IMAGE_NAME }} -t ${{ env.DOCKER_GENERATOR_IMAGE_NAME }}:latest-release ./modules/openapi-generator-online

      # cli images
      - name: Publish openapi-generator-cli snapshot version
        if: github.ref_type != 'tag' # not tag (release)
        run: |
          cp docker-entrypoint.sh ./modules/openapi-generator-cli
          docker buildx create --use
          docker buildx build --push --platform linux/amd64,linux/arm64 --label=org.opencontainers.image.created=${{ env.build_date }} --label=org.opencontainers.image.title=openapi-generator-cli --label=org.opencontainers.image.revision=$GITHUB_SHA --label=org.opencontainers.image.version=${{ env.cli_version }} -t ${{ env.DOCKER_CODEGEN_CLI_IMAGE_NAME }} ./modules/openapi-generator-cli
      - name: Publish openapi-generator-cli stable version
        if: github.ref_type == 'tag' # tagged (release)
        run: |
          cp docker-entrypoint.sh ./modules/openapi-generator-cli
          docker buildx create --use
          docker buildx build --push --platform linux/amd64,linux/arm64 --label=org.opencontainers.image.created=${{ env.build_date }} --label=org.opencontainers.image.title=openapi-generator-cli --label=org.opencontainers.image.revision=$GITHUB_SHA --label=org.opencontainers.image.version=${{ env.cli_version }} -t ${{ env.DOCKER_CODEGEN_CLI_IMAGE_NAME }}:latest -t ${{ env.DOCKER_CODEGEN_CLI_IMAGE_NAME }}:${{ github.ref_name }} -t ${{ env.DOCKER_CODEGEN_CLI_IMAGE_NAME }} -t ${{ env.DOCKER_CODEGEN_CLI_IMAGE_NAME }}:latest-release ./modules/openapi-generator-cli