name: Microservices CI

on:
  push:
    branches: [ main, develop ]
    paths:
      - 'services/**'
      - 'shared/**'
  pull_request:
    branches: [ main ]
    paths:
      - 'services/**'
      - 'shared/**'

env:
  GRADLE_OPTS: "-Dorg.gradle.jvmargs=-Xmx2048m -Dorg.gradle.daemon=false"
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  test-kotlin-services:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        service: [backup-engine]
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        
      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          java-version: '17'
          distribution: 'temurin'
          
      - name: Cache Gradle packages
        uses: actions/cache@v4
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: |
            ${{ runner.os }}-gradle-
            
      - name: Grant execute permission for gradlew
        run: chmod +x gradlew
        
      - name: Test ${{ matrix.service }}
        run: ./gradlew :services:${{ matrix.service }}:test
        
      - name: Upload test results
        uses: actions/upload-artifact@v4
        if: always()
        with:
          name: test-results-${{ matrix.service }}
          path: |
            services/${{ matrix.service }}/build/reports/tests/
            services/${{ matrix.service }}/build/test-results/
            
  test-rust-services:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        service: [storage-hal, compression-engine]
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        
      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt, clippy
          
      - name: Cache cargo dependencies
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            services/${{ matrix.service }}/target/
          key: ${{ runner.os }}-cargo-${{ hashFiles('services/${{ matrix.service }}/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-
            
      - name: Run tests for ${{ matrix.service }}
        run: |
          cd services/${{ matrix.service }}
          cargo test
          
      - name: Run clippy for ${{ matrix.service }}
        run: |
          cd services/${{ matrix.service }}
          cargo clippy -- -D warnings
          
      - name: Check formatting for ${{ matrix.service }}
        run: |
          cd services/${{ matrix.service }}
          cargo fmt --check
          
  test-python-services:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        service: [ml-optimizer]
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        
      - name: Set up Python 3.11
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'
          
      - name: Cache pip packages
        uses: actions/cache@v4
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('services/${{ matrix.service }}/requirements.txt') }}
          restore-keys: |
            ${{ runner.os }}-pip-
            
      - name: Install dependencies for ${{ matrix.service }}
        run: |
          cd services/${{ matrix.service }}
          python -m pip install --upgrade pip
          pip install -r requirements.txt
          pip install pytest pytest-cov black flake8
          
      - name: Run tests for ${{ matrix.service }}
        run: |
          cd services/${{ matrix.service }}
          pytest --cov=. --cov-report=xml
          
      - name: Check code formatting for ${{ matrix.service }}
        run: |
          cd services/${{ matrix.service }}
          black --check .
          
      - name: Run linting for ${{ matrix.service }}
        run: |
          cd services/${{ matrix.service }}
          flake8 .
          
  test-nodejs-services:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        service: [sync-coordinator]
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        
      - name: Set up Node.js 18
        uses: actions/setup-node@v4
        with:
          node-version: '18'
          cache: 'npm'
          cache-dependency-path: 'services/${{ matrix.service }}/package.json'
          
      - name: Install dependencies for ${{ matrix.service }}
        run: |
          cd services/${{ matrix.service }}
          npm install
          
      - name: Run tests for ${{ matrix.service }}
        run: |
          cd services/${{ matrix.service }}
          npm test
          
      - name: Run linting for ${{ matrix.service }}
        run: |
          cd services/${{ matrix.service }}
          npm run lint
          
      - name: Type check for ${{ matrix.service }}
        run: |
          cd services/${{ matrix.service }}
          npm run type-check
          
  build-docker-images:
    needs: [test-kotlin-services, test-rust-services, test-python-services, test-nodejs-services]
    runs-on: ubuntu-latest
    strategy:
      matrix:
        service: [backup-engine, storage-hal, compression-engine, ml-optimizer, sync-coordinator]
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        
      - name: Log in to Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
          
      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/${{ matrix.service }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=sha
            
      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: ./services/${{ matrix.service }}
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}