name: Backend CI/CD
run-name: ${{ gitea.actor }} triggered backend pipeline on ${{ gitea.ref_name }}

on:
  pull_request:
    paths:
      - 'legalconsenthub-backend/**'
      - 'api/**'
      - '.gitea/workflows/backend.yaml'
  push:
    branches:
      - main
    paths:
      - 'legalconsenthub-backend/**'
      - 'api/**'
      - '.gitea/workflows/backend.yaml'

jobs:
  build-and-test:
    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgres:16-alpine
        env:
          POSTGRES_DB: legalconsenthub_test
          POSTGRES_USER: test
          POSTGRES_PASSWORD: test
        options: >-
          --health-cmd "pg_isready -U test"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5

    defaults:
      run:
        working-directory: ./legalconsenthub-backend

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Java
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: '21'

      - name: Setup Gradle cache
        uses: actions/cache@v4
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
            legalconsenthub-backend/.gradle
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: |
            ${{ runner.os }}-gradle-

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

      - name: Build application
        run: ./gradlew build -x test

      - name: Run ktlint check
        run: ./gradlew ktlintCheck

      - name: Run tests
        run: ./gradlew test
        env:
          SPRING_DATASOURCE_URL: jdbc:postgresql://postgres:5432/legalconsenthub_test
          SPRING_DATASOURCE_USERNAME: test
          SPRING_DATASOURCE_PASSWORD: test
          SPRING_JPA_HIBERNATE_DDL_AUTO: create-drop

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to Gitea Container Registry
        if: gitea.event_name == 'push' && gitea.ref == 'refs/heads/main'
        uses: docker/login-action@v3
        with:
          registry: gitea.lugnas.de
          username: ${{ gitea.actor }}
          password: ${{ secrets.DOCKER_PUSH_TOKEN }}

      - name: Extract metadata for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: gitea.lugnas.de/${{ gitea.repository_owner }}/legalconsenthub-backend
          tags: |
            type=raw,value=latest,enable=${{ gitea.ref == 'refs/heads/main' }}
            type=sha,prefix=,format=long

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./legalconsenthub-backend/Dockerfile
          push: ${{ gitea.event_name == 'push' && gitea.ref == 'refs/heads/main' }}
          platforms: linux/amd64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Image built successfully
        if: gitea.event_name == 'push' && gitea.ref == 'refs/heads/main'
        run: |
          echo "✅ Docker image built and pushed successfully"
          echo "📦 Image: gitea.lugnas.de/${{ gitea.repository_owner }}/legalconsenthub-backend:latest"
          echo "📦 Image: gitea.lugnas.de/${{ gitea.repository_owner }}/legalconsenthub-backend:${{ gitea.sha }}"

      - name: Dry-run completed
        if: gitea.event_name == 'pull_request'
        run: |
          echo "✅ Dry-run build completed successfully (image not pushed)"

