name: CI/CD Pipeline

on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main, develop ]

jobs:
  test:
    name: Test & Lint
    runs-on: ubuntu-latest
    
    services:
      mariadb:
        image: mariadb:11.0-alpine
        env:
          MYSQL_ROOT_PASSWORD: root
          MYSQL_DATABASE: blogging_cms
          MYSQL_USER: cms_user
          MYSQL_PASSWORD: cms_password
        options: >-
          --health-cmd="healthcheck.sh --connect"
          --health-interval=10s
          --health-timeout=5s
          --health-retries=3
        ports:
          - 3306:3306

    steps:
    - name: Checkout code
      uses: actions/checkout@v3

    - name: Set up Go
      uses: actions/setup-go@v4
      with:
        go-version: '1.21'

    - name: Cache Go modules
      uses: actions/cache@v3
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
        restore-keys: |
          ${{ runner.os }}-go-

    - name: Download dependencies
      run: go mod download

    - name: Format check
      run: |
        if [ "$(gofmt -s -l . | wc -l)" -gt 0 ]; then
          echo "Code formatting issues found:"
          gofmt -s -d .
          exit 1
        fi

    - name: Vet
      run: go vet ./...

    - name: Run tests
      env:
        DB_HOST: localhost
        DB_PORT: 3306
        DB_USER: cms_user
        DB_PASSWORD: cms_password
        DB_NAME: blogging_cms
      run: go test -v -race -coverprofile=coverage.out ./...

    - name: Upload coverage
      uses: codecov/codecov-action@v3
      with:
        file: ./coverage.out
        flags: unittests
        name: codecov-umbrella

  build:
    name: Build Docker Image
    runs-on: ubuntu-latest
    needs: test
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'

    permissions:
      contents: read
      packages: write

    steps:
    - name: Checkout code
      uses: actions/checkout@v3

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2

    - name: Login to GitHub Container Registry
      uses: docker/login-action@v2
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Build and push Docker image
      uses: docker/build-push-action@v4
      with:
        context: .
        push: true
        tags: |
          ghcr.io/${{ github.repository }}:latest
          ghcr.io/${{ github.repository }}:${{ github.sha }}
        cache-from: type=registry,ref=ghcr.io/${{ github.repository }}:buildcache
        cache-to: type=registry,ref=ghcr.io/${{ github.repository }}:buildcache,mode=max

  security:
    name: Security Scan
    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v3

    - name: Run Trivy vulnerability scanner
      uses: aquasecurity/trivy-action@master
      with:
        scan-type: 'fs'
        scan-ref: '.'
        format: 'sarif'
        output: 'trivy-results.sarif'

    - name: Upload Trivy results to GitHub Security tab
      uses: github/codeql-action/upload-sarif@v2
      with:
        sarif_file: 'trivy-results.sarif'