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

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

jobs:
  build-and-test:
    runs-on: ubuntu-latest
    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 with Testcontainers
        run: ./gradlew test
        env:
          SPRING_PROFILES_ACTIVE: testcontainers

      - 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: ${{ gitea.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: ./legalconsenthub-backend
          push: ${{ gitea.event_name == 'push' && gitea.ref == 'refs/heads/main' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - 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)"