ci.yml

name: CI - Pull Request

on:
  pull_request:
    branches:
      - main
      - dev
  push:
    branches:
      - main
      - dev

jobs:
  detect-changes:
    name: Detect Changed Services
    runs-on: ubuntu-latest
    outputs:
      has_changes: ${{ steps.detect.outputs.has_changes }}
      changed_services: ${{ steps.detect.outputs.changed_services }}
      frontend_changed: ${{ steps.detect.outputs.frontend_changed }}
      api_server_changed: ${{ steps.detect.outputs.api_server_changed }}
      ticket_server_changed: ${{ steps.detect.outputs.ticket_server_changed }}
      queue_backend_changed: ${{ steps.detect.outputs.queue_backend_changed }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Detect changes
        id: detect
        run: |
          chmod +x .github/scripts/detect-changes.sh
          # PR의 base 브랜치와 비교 (feature->dev는 dev와, dev->main은 main과 비교)
          BASE_BRANCH="origin/${{ github.base_ref }}"
          echo "Comparing with base branch: $BASE_BRANCH"
          .github/scripts/detect-changes.sh "$BASE_BRANCH"

  # Frontend CI
  ci-frontend:
    name: CI - Frontend
    needs: detect-changes
    if: needs.detect-changes.outputs.frontend_changed == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: latest

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Lint
        run: pnpm --filter frontend lint

      - name: Build
        run: pnpm --filter frontend build

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

      # dev -> main PR인 경우에만 NCP Registry에 로그인
      - name: Login to NCP Container Registry
        if: github.base_ref == 'main' && github.event_name == 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ secrets.NCP_REGISTRY_URL }}
          username: ${{ secrets.NCP_REGISTRY_USERNAME }}
          password: ${{ secrets.NCP_REGISTRY_PASSWORD }}

      # dev -> main PR인 경우: 이미지 빌드 및 푸시
      - name: Build and push Docker image (dev -> main)
        if: github.base_ref == 'main' && github.event_name == 'pull_request'
        uses: docker/build-push-action@v5
        with:
          context: .
          file: frontend/Dockerfile
          push: true
          tags: |
            ${{ secrets.NCP_REGISTRY_URL }}/beastcamp-frontend:${{ github.sha }}
            ${{ secrets.NCP_REGISTRY_URL }}/beastcamp-frontend:latest
          build-args: |
            NEXT_PUBLIC_API_URL=http://localhost/api
            NEXT_PUBLIC_API_MODE=mock
          cache-from: type=registry,ref=${{ secrets.NCP_REGISTRY_URL }}/beastcamp-frontend:buildcache
          cache-to: type=registry,ref=${{ secrets.NCP_REGISTRY_URL }}/beastcamp-frontend:buildcache,mode=max

      # feature -> dev PR인 경우: 이미지 빌드만 (푸시 안 함)
      - name: Build Docker image (feature -> dev)
        if: github.base_ref != 'main' || github.event_name != 'pull_request'
        uses: docker/build-push-action@v5
        with:
          context: .
          file: frontend/Dockerfile
          push: false
          tags: beastcamp-frontend:ci-${{ github.sha }}
          build-args: |
            NEXT_PUBLIC_API_URL=http://localhost/api
            NEXT_PUBLIC_API_MODE=mock
          cache-from: type=gha
          cache-to: type=gha,mode=max

  # API Server CI
  ci-api-server:
    name: CI - API Server
    needs: detect-changes
    if: needs.detect-changes.outputs.api_server_changed == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: latest

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Lint
        run: pnpm --filter @beastcamp/api-server lint

      - name: Test
        run: pnpm --filter @beastcamp/api-server test

      - name: Build
        run: pnpm --filter @beastcamp/api-server build

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

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: backend/api-server/Dockerfile
          push: false
          tags: beastcamp-api-server:ci-${{ github.sha }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  # Ticket Server CI
  ci-ticket-server:
    name: CI - Ticket Server
    needs: detect-changes
    if: needs.detect-changes.outputs.ticket_server_changed == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: latest

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Lint
        run: pnpm --filter @beastcamp/ticket-server lint

      - name: Test
        run: pnpm --filter @beastcamp/ticket-server test

      - name: Build
        run: pnpm --filter @beastcamp/ticket-server build

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

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: backend/ticket-server/Dockerfile
          push: false
          tags: beastcamp-ticket-server:ci-${{ github.sha }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  # Queue Backend CI
  ci-queue-backend:
    name: CI - Queue Backend
    needs: detect-changes
    if: needs.detect-changes.outputs.queue_backend_changed == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: latest

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Lint
        run: pnpm --filter @beastcamp/queue-backend lint

      - name: Test
        run: pnpm --filter @beastcamp/queue-backend test

      - name: Build
        run: pnpm --filter @beastcamp/queue-backend build

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

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: queue-backend/Dockerfile
          push: false
          tags: beastcamp-queue-backend:ci-${{ github.sha }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  # CI Summary
  ci-summary:
    name: CI Summary
    needs:
      [
        detect-changes,
        ci-frontend,
        ci-api-server,
        ci-ticket-server,
        ci-queue-backend,
      ]
    if: always()
    runs-on: ubuntu-latest
    steps:
      - name: Check CI Results
        run: |
          echo "=== CI Summary ==="
          echo "Changed services: ${{ needs.detect-changes.outputs.changed_services }}"

          if [ "${{ needs.detect-changes.outputs.has_changes }}" == "false" ]; then
            echo "No services changed - skipping CI"
            exit 0
          fi

          echo ""
          echo "CI Results:"
          echo "- Frontend: ${{ needs.ci-frontend.result }}"
          echo "- API Server: ${{ needs.ci-api-server.result }}"
          echo "- Ticket Server: ${{ needs.ci-ticket-server.result }}"
          echo "- Queue Backend: ${{ needs.ci-queue-backend.result }}"

          # Check if any CI job failed
          if [ "${{ contains(needs.*.result, 'failure') }}" == "true" ]; then
            echo ""
            echo "❌ Some CI jobs failed"
            exit 1
          fi

          echo ""
          echo "✅ All CI jobs passed"