name: Continuous Integration

on:
  push:
    branches:
      - '**'
  pull_request:
    branches:
      - '**'
  workflow_dispatch:

permissions:
  contents: read
  id-token: write
  security-events: write

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - name: Check out code
      uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
      with:
        fetch-depth: 0

    - name: Get Go version
      run: |
        version=$(grep "^go " go.mod | cut -d' ' -f2 | cut -d. -f1,2)
        echo "version=${version}" >> "$GITHUB_OUTPUT"
      id: go-version

    - name: Set up Go
      uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
      with:
        go-version: ${{ steps.go-version.outputs.version }}
        check-latest: true

    - name: Verify Code Generation
      run: |
        make verify-generate

    - name: Lint
      run: |
        make lint

    - name: Build
      if: (!startsWith(github.head_ref, 'release'))
      run: |
        make build

    # For release testing
    - name: Build All
      if: github.base_ref == 'master' && startsWith(github.head_ref, 'release')
      run: |
        make release

    - name: Test
      env:
        COVER: true
      run: |
        make test

    - name: Generate Coverage Report
      if: github.event_name == 'push'
      run: |
        go install github.com/jandelgado/gcov2lcov@25681830fb515e3d4c117e136b4f049e21efb4d0
        gcov2lcov -infile=c.out -outfile=lcov.info

    - name: Upload Coverage Report
      if: github.event_name == 'push'
      uses: qltysh/qlty-action/coverage@08a0a862c159eae9b9003081da6663d96efef637 # v2.3.0
      with:
        oidc: true
        files: lcov.info

    - name: Run Trivy vulnerability scanner
      if: (!startsWith(github.head_ref, 'release'))
      uses: aquasecurity/trivy-action@ed142fd0673e97e23eac54620cfb913e5ce36c25 # v0.36.0
      with:
        scan-type: 'rootfs'
        scan-ref: './oauth2-proxy'
        severity: 'CRITICAL,HIGH'
        hide-progress: true
        format: 'sarif'
        output: 'trivy-results.sarif'
        exit-code: '0'

    - name: Upload Trivy scan results
      if: (!startsWith(github.head_ref, 'release'))
      uses: github/codeql-action/upload-sarif@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd # v4.37.7
      with:
        sarif_file: 'trivy-results.sarif'

  docker:
    runs-on: ubuntu-latest
    steps:
    - name: Check out code
      uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
      with:
        fetch-depth: 0

    - name: Set up QEMU
      uses: docker/setup-qemu-action@96fe6ef7f33517b61c61be40b68a1882f3264fb8 # v4.2.0
    
    - name: Set up Docker Buildx
      id: buildx
      uses: docker/setup-buildx-action@f87e5991a6d7451dcb8d9637bfbc97413f497069 # v4.4.1

    - name: Docker Build
      if: (!startsWith(github.head_ref, 'release'))
      run: |
        make build-docker

    # For release testing
    - name: Docker Build All
      if: github.base_ref == 'master' && startsWith(github.head_ref, 'release')
      run: |
        make build-docker-all