name: CI/CD Pipeline

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

env:
  GO_VERSION: 1.19
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  test:
    name: Run Tests
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout code
      uses: actions/checkout@v3
      
    - name: Set up Go
      uses: actions/setup-go@v3
      with:
        go-version: ${{ env.GO_VERSION }}
        cache: true
        
    - name: Download dependencies
      run: make deps
      
    - name: Run linter
      uses: golangci/golangci-lint-action@v3
      with:
        version: latest
        args: --timeout=5m
        
    - name: Run tests
      run: make test
      
    - name: Upload coverage to Codecov
      uses: codecov/codecov-action@v3
      with:
        file: ./coverage.out
        flags: unittests
        name: codecov-umbrella
        fail_ci_if_error: false

  build:
    name: Build Application
    runs-on: ubuntu-latest
    needs: test
    
    steps:
    - name: Checkout code
      uses: actions/checkout@v3
      
    - name: Set up Go
      uses: actions/setup-go@v3
      with:
        go-version: ${{ env.GO_VERSION }}
        cache: true
        
    - name: Download dependencies
      run: make deps
      
    - name: Build application
      run: make build
      
    - name: Upload build artifacts
      uses: actions/upload-artifact@v3
      with:
        name: gorz-binary
        path: gorz

  docker-build:
    name: Build Docker Image
    runs-on: ubuntu-latest
    needs: build
    if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/develop'
    
    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: Log in to the Container registry
      uses: docker/login-action@v2
      with:
        registry: ${{ env.REGISTRY }}
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}
        
    - name: Extract metadata
      id: meta
      uses: docker/metadata-action@v4
      with:
        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
        tags: |
          type=ref,event=branch
          type=ref,event=pr
          type=sha,prefix={{branch}}-
          type=raw,value=latest,enable={{is_default_branch}}
          
    - name: Build and push Docker image
      uses: docker/build-push-action@v4
      with:
        context: .
        platforms: linux/amd64,linux/arm64
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        cache-from: type=gha
        cache-to: type=gha,mode=max

  security-scan:
    name: Security Scan
    runs-on: ubuntu-latest
    needs: build
    
    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 scan results to GitHub Security tab
      uses: github/codeql-action/upload-sarif@v2
      with:
        sarif_file: 'trivy-results.sarif'

  release:
    name: Create Release
    runs-on: ubuntu-latest
    needs: [test, build, docker-build, security-scan]
    if: github.ref == 'refs/heads/main' && startsWith(github.ref, 'refs/tags/v')
    
    permissions:
      contents: write
      
    steps:
    - name: Checkout code
      uses: actions/checkout@v3
      with:
        fetch-depth: 0
        
    - name: Download build artifacts
      uses: actions/download-artifact@v3
      with:
        name: gorz-binary
        
    - name: Create Release
      uses: softprops/action-gh-release@v1
      with:
        files: gorz
        generate_release_notes: true
        draft: false
        prerelease: false