ci.yml

# CI workflow for SaaS Benchmarks Platform
# Version: 1.0.0
# Handles building, testing, and validating backend and frontend components

name: CI

# Trigger on push to main branches and PRs
on:
  push:
    branches:
      - main
      - develop
      - 'feature/*'
      - 'bugfix/*'
    paths-ignore:
      - 'docs/**'
      - '*.md'
  pull_request:
    branches:
      - main
      - develop
    types:
      - opened
      - synchronize
      - reopened

# Concurrency control to cancel in-progress runs
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

# Environment variables
env:
  NODE_ENV: test
  CI: true
  FORCE_COLOR: true

jobs:
  backend-ci:
    name: Backend CI
    runs-on: ubuntu-latest
    timeout-minutes: 30

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: '18.x'
          cache: 'npm'
          cache-dependency-path: src/backend/package-lock.json

      - name: Cache dependencies
        uses: actions/cache@v3
        with:
          path: src/backend/node_modules
          key: backend-deps-${{ hashFiles('src/backend/package-lock.json') }}
          restore-keys: |
            backend-deps-

      - name: Install dependencies
        working-directory: src/backend
        run: |
          npm ci
          npm audit

      - name: Lint code
        working-directory: src/backend
        run: npm run lint
        continue-on-error: false

      - name: Type check
        working-directory: src/backend
        run: npm run type-check
        continue-on-error: false

      - name: Run unit tests
        working-directory: src/backend
        run: |
          npm run test:unit -- --coverage --ci --maxWorkers=2
        env:
          JEST_JUNIT_OUTPUT_DIR: ./coverage/junit

      - name: Run integration tests
        working-directory: src/backend
        run: |
          npm run test:integration -- --runInBand --ci
        env:
          JEST_JUNIT_OUTPUT_DIR: ./coverage/junit
        timeout-minutes: 10
        if: success() || failure()

      - name: Initialize CodeQL
        uses: github/codeql-action/analyze@v2
        with:
          languages: javascript
          queries: security-extended

      - name: Build application
        working-directory: src/backend
        run: npm run build
        if: success()

      - name: Upload build artifacts
        uses: actions/upload-artifact@v3
        with:
          name: backend-dist
          path: src/backend/dist
          retention-days: 5
          if-no-files-found: error

      - name: Upload coverage reports
        uses: codecov/codecov-action@v3
        with:
          directory: src/backend/coverage
          flags: backend
          fail_ci_if_error: true

  frontend-ci:
    name: Frontend CI
    runs-on: ubuntu-latest
    timeout-minutes: 30

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: '18.x'
          cache: 'npm'
          cache-dependency-path: src/web/package-lock.json

      - name: Cache dependencies
        uses: actions/cache@v3
        with:
          path: src/web/node_modules
          key: frontend-deps-${{ hashFiles('src/web/package-lock.json') }}
          restore-keys: |
            frontend-deps-

      - name: Install dependencies
        working-directory: src/web
        run: |
          npm ci
          npm audit

      - name: Lint code
        working-directory: src/web
        run: npm run lint
        continue-on-error: false

      - name: Type check
        working-directory: src/web
        run: npm run type-check
        continue-on-error: false

      - name: Run unit tests
        working-directory: src/web
        run: |
          npm run test:unit -- --coverage --ci --maxWorkers=2
        env:
          JEST_JUNIT_OUTPUT_DIR: ./coverage/junit

      - name: Run E2E tests
        working-directory: src/web
        run: |
          npm run test:e2e -- --headless
        timeout-minutes: 15
        if: success() || failure()

      - name: Initialize CodeQL
        uses: github/codeql-action/analyze@v2
        with:
          languages: javascript
          queries: security-extended

      - name: Build application
        working-directory: src/web
        run: npm run build
        if: success()

      - name: Upload build artifacts
        uses: actions/upload-artifact@v3
        with:
          name: frontend-dist
          path: src/web/dist
          retention-days: 5
          if-no-files-found: error

      - name: Upload coverage reports
        uses: codecov/codecov-action@v3
        with:
          directory: src/web/coverage
          flags: frontend
          fail_ci_if_error: true

  notify:
    name: Send Notifications
    needs: [backend-ci, frontend-ci]
    runs-on: ubuntu-latest
    if: failure()

    steps:
      - name: Notify team
        uses: 8398a7/action-slack@v3
        with:
          status: ${{ job.status }}
          fields: repo,message,commit,author,action,eventName,ref,workflow
          mention: here
          if_mention: failure
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}