name: API Gateway (Java Spring Boot)

on:
  push:
    paths:
      - 'services/api-gateway/**'
      - '.gitea/workflows/api-gateway.yml'
  pull_request:
    paths:
      - 'services/api-gateway/**'

env:
  REGISTRY: gitea.example.com
  IMAGE_PREFIX: labfusion
  SERVICE_NAME: api-gateway

jobs:
  test:
    runs-on: [self-hosted]
    env:
      RUNNER_TOOL_CACHE: /toolcache
    defaults:
      run:
        working-directory: ./services/api-gateway
    
    strategy:
      matrix:
        java-version: [17, 21]
        
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Set up JDK ${{ matrix.java-version }}
      uses: actions/setup-java@v4
      with:
        java-version: ${{ matrix.java-version }}
        distribution: 'temurin'
        cache: maven
        
    - name: Make Maven wrapper executable
      run: chmod +x ./mvnw
        
    - name: Verify Maven installation
      run: ./mvnw --version
        
    - name: Cache Maven dependencies
      uses: actions/cache@v4
      with:
        path: |
          ~/.m2/repository
          ~/.m2/wrapper
        key: maven-${{ runner.os }}-${{ matrix.java-version }}-${{ hashFiles('**/pom.xml') }}
        restore-keys: |
          maven-${{ runner.os }}-${{ matrix.java-version }}-
          maven-${{ runner.os }}-
          maven-
        fail-on-cache-miss: false
        
    - name: Validate POM
      run: ./mvnw validate
        
    - name: Compile code
      run: ./mvnw compile
      
    - name: Check for test files
      run: |
        echo "Checking for test files in src/test/java/..."
        if [ -d "src/test/java" ]; then
          TEST_COUNT=$(find src/test/java -name "*Test*.java" -type f | wc -l)
          echo "Found $TEST_COUNT test files"
          if [ $TEST_COUNT -eq 0 ]; then
            echo "⚠️  No test files found! Please add test files to src/test/java/"
            echo "TEST_FILES_EXIST=false" >> $GITHUB_ENV
          else
            echo "✅ Test files found"
            echo "TEST_FILES_EXIST=true" >> $GITHUB_ENV
          fi
        else
          echo "❌ No src/test/java directory found!"
          echo "TEST_FILES_EXIST=false" >> $GITHUB_ENV
        fi
      
    - name: Fail if no test files exist
      if: env.TEST_FILES_EXIST == 'false'
      run: |
        echo "❌ No test files found in src/test/java/"
        echo "This pipeline requires test files to be present."
        echo "Please add test files with names ending in 'Test.java' or 'Tests.java'"
        echo "Example: src/test/java/com/labfusion/MyServiceTest.java"
        exit 1
      
    - name: Run unit tests
      run: |
        echo "Running Maven tests..."
        ./mvnw test -X
        echo "Maven test execution completed"
        echo "Checking target directory structure..."
        find target -name "*.xml" -type f 2>/dev/null || echo "No XML files found in target"
        echo "Checking surefire-reports directory..."
        if [ -d "target/surefire-reports" ]; then
          echo "Contents of surefire-reports:"
          ls -la target/surefire-reports/
        else
          echo "surefire-reports directory does not exist"
          echo "Creating surefire-reports directory..."
          mkdir -p target/surefire-reports
        fi
      
    - name: Check test reports
      run: |
        echo "Checking for test report files..."
        if [ -d "target/surefire-reports" ]; then
          echo "Surefire reports directory exists"
          ls -la target/surefire-reports/
          if [ -n "$(find target/surefire-reports -name '*.xml' -type f)" ]; then
            echo "✅ Found test report XML files"
            echo "TEST_REPORTS_EXIST=true" >> $GITHUB_ENV
          else
            echo "⚠️  No XML files found in surefire-reports"
            echo "TEST_REPORTS_EXIST=false" >> $GITHUB_ENV
          fi
        else
          echo "❌ Surefire reports directory does not exist"
          echo "TEST_REPORTS_EXIST=false" >> $GITHUB_ENV
        fi
      
    - name: Send test results to SonarQube
      if: env.TEST_REPORTS_EXIST == 'true'
      run: |
        echo "Sending test results to SonarQube..."
        ./mvnw clean verify sonar:sonar \
          -Dsonar.projectKey=labfusion-api-gateway \
          -Dsonar.projectName="LabFusion API Gateway" \
          -Dsonar.host.url=${{ secrets.SONAR_HOST_URL }} \
          -Dsonar.token=${{ secrets.SONAR_TOKEN }}
      
    - name: Fail if no test reports found
      if: env.TEST_REPORTS_EXIST == 'false'
      run: |
        echo "❌ No test reports were generated!"
        echo "This indicates that either:"
        echo "1. No test files were found in src/test/java/"
        echo "2. Tests failed to execute properly"
        echo "3. Maven Surefire plugin did not generate reports"
        echo ""
        echo "Please ensure you have test files and they are executing correctly."
        exit 1
        
    - name: Run code quality checks
      run: |
        ./mvnw spotbugs:check
        ./mvnw checkstyle:check
        ./mvnw pmd:check
        
    - name: Generate code coverage
      run: |
        echo "Generating JaCoCo code coverage report..."
        ./mvnw jacoco:report
        echo "Code coverage report generated at target/site/jacoco/jacoco.xml"

  build:
    runs-on: [self-hosted]
    needs: test
    env:
      RUNNER_TOOL_CACHE: /toolcache
    defaults:
      run:
        working-directory: ./services/api-gateway
    
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Set up JDK 17
      uses: actions/setup-java@v4
      with:
        java-version: '17'
        distribution: 'temurin'
        cache: maven
        
    - name: Make Maven wrapper executable
      run: chmod +x ./mvnw
        
    - name: Verify Maven installation
      run: ./mvnw --version
        
    - name: Cache Maven dependencies
      uses: actions/cache@v4
      with:
        path: |
          ~/.m2/repository
          ~/.m2/wrapper
        key: maven-${{ runner.os }}-${{ hashFiles('**/pom.xml') }}
        restore-keys: |
          maven-${{ runner.os }}-
          maven-
        fail-on-cache-miss: false
        
    - name: Build application
      run: ./mvnw clean package -DskipTests
      
    - name: Build Docker image (test only)
      run: docker build -t api-gateway:test .

  security:
    runs-on: [self-hosted]
    needs: build