name: CI

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

env:
  GO_VERSION: '1.23'
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  test:
    name: Test
    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v4

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: ${{ env.GO_VERSION }}
        cache: true

    - name: Download dependencies
      run: go mod download

    - name: Verify dependencies
      run: go mod verify

    - name: Run tests
      run: go test -v -race -coverprofile=coverage.out ./...

    - name: Upload coverage to Codecov
      uses: codecov/codecov-action@v4
      with:
        file: ./coverage.out
        flags: unittests
        name: codecov-umbrella

    - name: Generate coverage report
      run: go tool cover -html=coverage.out -o coverage.html

    - name: Upload coverage report
      uses: actions/upload-artifact@v4
      with:
        name: coverage-report
        path: coverage.html

  lint:
    name: Lint
    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v4

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: ${{ env.GO_VERSION }}
        cache: true

    - name: Run golangci-lint
      uses: golangci/golangci-lint-action@v4
      with:
        version: latest
        args: --timeout=5m

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

    steps:
    - name: Checkout code
      uses: actions/checkout@v4

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: ${{ env.GO_VERSION }}
        cache: true

    - name: Run Gosec Security Scanner
      uses: securego/gosec@master
      with:
        args: '-no-fail -fmt sarif -out results.sarif ./...'

    - name: Upload SARIF file
      uses: github/codeql-action/upload-sarif@v3
      with:
        sarif_file: results.sarif

  build:
    name: Build
    runs-on: ubuntu-latest
    needs: [test, lint]

    steps:
    - name: Checkout code
      uses: actions/checkout@v4

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: ${{ env.GO_VERSION }}
        cache: true

    - name: Build binary
      run: |
        CGO_ENABLED=1 go build -v -o bin/gateway ./cmd/gateway

    - name: Upload binary
      uses: actions/upload-artifact@v4
      with:
        name: gateway-binary
        path: bin/gateway

  docker:
    name: Build and Push Docker Image
    runs-on: ubuntu-latest
    needs: [test, lint, security]
    if: github.event_name == 'push' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/develop')

    permissions:
      contents: read
      packages: write

    steps:
    - name: Checkout code
      uses: actions/checkout@v4

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3

    - 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 }}
        tags: |
          type=ref,event=branch
          type=ref,event=pr
          type=semver,pattern={{version}}
          type=semver,pattern={{major}}.{{minor}}
          type=sha,prefix={{branch}}-
          type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}

    - name: Build and push Docker image
      uses: docker/build-push-action@v5
      with:
        context: .
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        cache-from: type=gha
        cache-to: type=gha,mode=max
        platforms: linux/amd64,linux/arm64

    - name: Run Trivy vulnerability scanner
      uses: aquasecurity/trivy-action@master
      with:
        image-ref: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.sha }}
        format: 'sarif'
        output: 'trivy-results.sarif'

    - name: Upload Trivy results to GitHub Security
      uses: github/codeql-action/upload-sarif@v3
      with:
        sarif_file: 'trivy-results.sarif'