# Sub2API 完整API测试工作流
# 包含单元测试、契约测试、安全测试、性能测试和E2E测试

name: API Testing Suite

on:
  push:
    branches: [main, develop, test-fix-branch]
    paths:
      - 'backend/**'
      - 'tests/**'
      - 'frontend/**'
      - '.github/workflows/api-testing.yml'
  pull_request:
    branches: [main, develop]
    paths:
      - 'backend/**'
      - 'tests/**'
      - 'frontend/**'

env:
  GO_VERSION: '1.21'
  NODE_VERSION: '20'
  POSTGRES_VERSION: '15'
  REDIS_VERSION: '7'

jobs:
  # ============================================
  # Job 1: 代码检查和依赖安装
  # ============================================
  prepare:
    runs-on: ubuntu-latest
    outputs:
      go-version: ${{ env.GO_VERSION }}
      node-version: ${{ env.NODE_VERSION }}
    steps:
      - uses: actions/checkout@v4
      
      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'
      
      - 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-

  # ============================================
  # Job 2: 单元测试
  # ============================================
  unit-tests:
    runs-on: ubuntu-latest
    needs: prepare
    services:
      postgres:
        image: postgres:${{ env.POSTGRES_VERSION }}
        env:
          POSTGRES_USER: test
          POSTGRES_PASSWORD: test
          POSTGRES_DB: sub2api_test
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432
      redis:
        image: redis:${{ env.REDIS_VERSION }}
        ports:
          - 6379:6379
    
    steps:
      - uses: actions/checkout@v4
      
      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: ${{ needs.prepare.outputs.go-version }}
      
      - name: Run Unit Tests
        working-directory: ./backend
        env:
          TEST_DB_HOST: localhost
          TEST_DB_PORT: 5432
          TEST_DB_USER: test
          TEST_DB_PASSWORD: test
          TEST_DB_NAME: sub2api_test
          TEST_REDIS_HOST: localhost
          TEST_REDIS_PORT: 6379
        run: |
          go test -tags=unit -v -race -coverprofile=coverage.out ./...
          go tool cover -func=coverage.out > coverage.txt
      
      - name: Upload Coverage Report
        uses: codecov/codecov-action@v3
        with:
          files: ./backend/coverage.out
          flags: unittests
          name: unit-tests
      
      - name: Comment Coverage
        uses: actions/github-script@v6
        with:
          script: |
            const fs = require('fs');
            const coverage = fs.readFileSync('./backend/coverage.txt', 'utf8');
            const totalLine = coverage.split('\n').find(line => line.includes('total:'));
            if (totalLine) {
              github.rest.issues.createComment({
                issue_number: context.issue.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                body: `### 📊 单元测试覆盖率\n\n\`\`\`\n${totalLine}\n\`\`\``
              });
            }

  # ============================================
  # Job 3: 契约测试
  # ============================================
  contract-tests:
    runs-on: ubuntu-latest
    needs: prepare
    services:
      postgres:
        image: postgres:${{ env.POSTGRES_VERSION }}
        env:
          POSTGRES_USER: test
          POSTGRES_PASSWORD: test
          POSTGRES_DB: sub2api_test
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432
      redis:
        image: redis:${{ env.REDIS_VERSION }}
        ports:
          - 6379:6379
    
    steps:
      - uses: actions/checkout@v4
      
      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: ${{ needs.prepare.outputs.go-version }}
      
      - name: Run Contract Tests
        working-directory: ./backend
        env:
          TEST_DB_HOST: localhost
          TEST_DB_PORT: 5432
          TEST_DB_USER: test
          TEST_DB_PASSWORD: test
          TEST_DB_NAME: sub2api_test
          TEST_REDIS_HOST: localhost
          TEST_REDIS_PORT: 6379
        run: |
          go test -tags=integration -v ./internal/server/... -run TestAPIContracts -timeout 10m

  # ============================================
  # Job 4: 安全测试
  # ============================================
  security-tests:
    runs-on: ubuntu-latest
    needs: [prepare, unit-tests]
    services:
      postgres:
        image: postgres:${{ env.POSTGRES_VERSION }}
        env:
          POSTGRES_USER: test
          POSTGRES_PASSWORD: test
          POSTGRES_DB: sub2api_test
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432
      redis:
        image: redis:${{ env.REDIS_VERSION }}
        ports:
          - 6379:6379
    
    steps:
      - uses: actions/checkout@v4
      
      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: ${{ needs.prepare.outputs.go-version }}
      
      - name: Run Security Tests
        working-directory: ./backend
        env:
          TEST_DB_HOST: localhost
          TEST_DB_PORT: 5432
          TEST_DB_USER: test
          TEST_DB_PASSWORD: test
          TEST_DB_NAME: sub2api_test
          TEST_REDIS_HOST: localhost
          TEST_REDIS_PORT: 6379
        run: |
          go test -tags=security -v ./internal/server/... -run TestAPI_Security -timeout 10m
      
      - name: Run Gosec Security Scanner
        uses: securego/gosec@master
        with:
          args: '-fmt sarif -out security.sarif ./backend/...'
      
      - name: Upload SARIF file
        uses: github/codeql-action/upload-sarif@v2
        with:
          sarif_file: security.sarif

  # ============================================
  # Job 5: 性能测试 (仅在main分支或手动触发)
  # ============================================
  performance-tests:
    runs-on: ubuntu-latest
    needs: [prepare, unit-tests, contract-tests]
    if: github.event_name == 'push' && github.ref == 'refs/heads/main' || github.event_name == 'workflow_dispatch'
    
    steps:
      - uses: actions/checkout@v4
      
      - name: Setup k6
        uses: grafana/setup-k6-action@v1
      
      - name: Start Test Environment
        run: |
          docker-compose -f docker-compose.test.yml up -d
          sleep 30
      
      - name: Wait for Services
        run: |
          chmod +x scripts/wait-for-services.sh
          ./scripts/wait-for-services.sh
      
      - name: Seed Test Data
        run: |
          docker-compose -f docker-compose.test.yml exec -T backend go run cmd/seed/main.go
      
      - name: Run Load Tests
        run: |
          k6 run \
            --out influxdb=http://localhost:8086/k6 \
            --env BASE_URL=http://localhost:8080 \
            --env API_KEY=sk-test-key \
            tests/performance/gateway-load-test.js
      
      - name: Run Stress Tests (Short)
        run: |
          k6 run \
            --duration 5m \
            --env BASE_URL=http://localhost:8080 \
            --env API_KEY=sk-test-key \
            tests/performance/gateway-stress-test.js
      
      - name: Upload Performance Results
        uses: actions/upload-artifact@v3
        if: always()
        with:
          name: performance-results
          path: |
            summary.json
            summary.html
      
      - name: Cleanup
        if: always()
        run: docker-compose -f docker-compose.test.yml down -v

  # ============================================
  # Job 6: E2E测试
  # ============================================
  e2e-tests:
    runs-on: ubuntu-latest
    needs: [prepare, unit-tests]
    services:
      postgres:
        image: postgres:${{ env.POSTGRES_VERSION }}
        env:
          POSTGRES_USER: test
          POSTGRES_PASSWORD: test
          POSTGRES_DB: sub2api_test
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432
      redis:
        image: redis:${{ env.REDIS_VERSION }}
        ports:
          - 6379:6379
    
    steps:
      - uses: actions/checkout@v4
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ needs.prepare.outputs.node-version }}
          cache: 'npm'
      
      - name: Install Dependencies
        run: |
          npm ci
          npx playwright install --with-deps
      
      - name: Build Frontend
        working-directory: ./frontend
        run: |
          npm ci
          npm run build
      
      - name: Start Backend
        working-directory: ./backend
        env:
          DB_HOST: localhost
          DB_PORT: 5432
          DB_USER: test
          DB_PASSWORD: test
          DB_NAME: sub2api_test
          REDIS_HOST: localhost
          REDIS_PORT: 6379
          MODE: test
        run: |
          go build -o server ./cmd/server
          ./server &
          sleep 10
      
      - name: Run E2E Tests
        run: |
          npx playwright test tests/e2e/ --reporter=html,junit
        env:
          BASE_URL: http://localhost:8080
      
      - name: Upload Playwright Report
        uses: actions/upload-artifact@v3
        if: always()
        with:
          name: playwright-report
          path: |
            playwright-report/
            test-results/
            junit-results.xml
      
      - name: Cleanup
        if: always()
        run: pkill -f './server' || true

  # ============================================
  # Job 7: API测试汇总报告
  # ============================================
  test-summary:
    runs-on: ubuntu-latest
    needs: [unit-tests, contract-tests, security-tests, e2e-tests]
    if: always()
    
    steps:
      - name: Test Summary
        uses: actions/github-script@v6
        with:
          script: |
            const jobs = {
              '单元测试': '${{ needs.unit-tests.result }}',
              '契约测试': '${{ needs.contract-tests.result }}',
              '安全测试': '${{ needs.security-tests.result }}',
              'E2E测试': '${{ needs.e2e-tests.result }}',
            };
            
            let summary = '## 🧪 API测试执行结果\n\n';
            let allPassed = true;
            
            for (const [name, result] of Object.entries(jobs)) {
              const icon = result === 'success' ? '✅' : (result === 'skipped' ? '⏭️' : '❌');
              summary += `- ${icon} **${name}**: ${result}\n`;
              if (result === 'failure') allPassed = false;
            }
            
            summary += '\n';
            if (allPassed) {
              summary += '🎉 所有测试通过！';
            } else {
              summary += '⚠️ 部分测试失败，请检查详细日志。';
            }
            
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: summary
            });