name: CI/CD Pipeline

on:
  push:
    branches:
      - preprod

env:
  REGISTRY: rg.fr-par.scw.cloud/weworkstudio
  NODE_VERSION: '20'

jobs:
  # ============================================
  # Backend Build, Test & Deploy
  # ============================================
  backend:
    name: Backend - Build, Test & Push
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: apps/backend

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

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}

      - name: Install dependencies
        run: npm install --legacy-peer-deps

      - name: Lint code
        run: npm run lint

      - name: Run unit tests
        run: npm test -- --coverage --passWithNoTests

      - name: Build application
        run: npm run build

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

      - name: Login to Scaleway Registry
        uses: docker/login-action@v3
        with:
          registry: rg.fr-par.scw.cloud/weworkstudio
          username: nologin
          password: ${{ secrets.REGISTRY_TOKEN }}

      - name: Extract metadata for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/xpeditis-backend
          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={{is_default_branch}}

      - name: Build and push Backend Docker image
        uses: docker/build-push-action@v5
        with:
          context: ./apps/backend
          file: ./apps/backend/Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=registry,ref=${{ env.REGISTRY }}/xpeditis-backend:buildcache
          cache-to: type=registry,ref=${{ env.REGISTRY }}/xpeditis-backend:buildcache,mode=max
          platforms: linux/amd64

  # ============================================
  # Frontend Build, Test & Deploy
  # ============================================
  frontend:
    name: Frontend - Build, Test & Push
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: apps/frontend

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

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'
          cache-dependency-path: apps/frontend/package-lock.json

      - name: Install dependencies
        run: npm ci --legacy-peer-deps

      - name: Lint code
        run: npm run lint

      - name: Run tests
        run: npm test -- --passWithNoTests || echo "No tests found"

      - name: Build application
        env:
          NEXT_PUBLIC_API_URL: ${{ secrets.NEXT_PUBLIC_API_URL || 'http://localhost:4000' }}
          NEXT_PUBLIC_APP_URL: ${{ secrets.NEXT_PUBLIC_APP_URL || 'http://localhost:3000' }}
          NEXT_TELEMETRY_DISABLED: 1
        run: npm run build

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

      - name: Login to Scaleway Registry
        uses: docker/login-action@v3
        with:
          registry: rg.fr-par.scw.cloud/weworkstudio
          username: nologin
          password: ${{ secrets.REGISTRY_TOKEN }}

      - name: Extract metadata for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/xpeditis-frontend
          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={{is_default_branch}}

      - name: Build and push Frontend Docker image
        uses: docker/build-push-action@v5
        with:
          context: ./apps/frontend
          file: ./apps/frontend/Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=registry,ref=${{ env.REGISTRY }}/xpeditis-frontend:buildcache
          cache-to: type=registry,ref=${{ env.REGISTRY }}/xpeditis-frontend:buildcache,mode=max
          platforms: linux/amd64
          build-args: |
            NEXT_PUBLIC_API_URL=${{ secrets.NEXT_PUBLIC_API_URL || 'http://localhost:4000' }}
            NEXT_PUBLIC_APP_URL=${{ secrets.NEXT_PUBLIC_APP_URL || 'http://localhost:3000' }}

  # ============================================
  # Integration Tests (Optional)
  # ============================================
  integration-tests:
    name: Integration Tests
    runs-on: ubuntu-latest
    needs: [backend, frontend]
    if: github.event_name == 'pull_request'
    defaults:
      run:
        working-directory: apps/backend

    services:
      postgres:
        image: postgres:15-alpine
        env:
          POSTGRES_USER: xpeditis
          POSTGRES_PASSWORD: xpeditis_dev_password
          POSTGRES_DB: xpeditis_test
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432

      redis:
        image: redis:7-alpine
        options: >-
          --health-cmd "redis-cli ping"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 6379:6379

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

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}

      - name: Install dependencies
        run: npm install --legacy-peer-deps

      - name: Run integration tests
        env:
          DATABASE_HOST: localhost
          DATABASE_PORT: 5432
          DATABASE_USER: xpeditis
          DATABASE_PASSWORD: xpeditis_dev_password
          DATABASE_NAME: xpeditis_test
          REDIS_HOST: localhost
          REDIS_PORT: 6379
          JWT_SECRET: test-secret-key-for-ci
        run: npm run test:integration || echo "No integration tests found"

  # ============================================
  # Deployment Summary
  # ============================================
  deployment-summary:
    name: Deployment Summary
    runs-on: ubuntu-latest
    needs: [backend, frontend]
    if: success()

    steps:
      - name: Summary
        run: |
          echo "## 🚀 Deployment Summary" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Backend Image" >> $GITHUB_STEP_SUMMARY
          echo "- Registry: \`${{ env.REGISTRY }}/backend\`" >> $GITHUB_STEP_SUMMARY
          echo "- Branch: \`${{ github.ref_name }}\`" >> $GITHUB_STEP_SUMMARY
          echo "- Commit: \`${{ github.sha }}\`" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Frontend Image" >> $GITHUB_STEP_SUMMARY
          echo "- Registry: \`${{ env.REGISTRY }}/frontend\`" >> $GITHUB_STEP_SUMMARY
          echo "- Branch: \`${{ github.ref_name }}\`" >> $GITHUB_STEP_SUMMARY
          echo "- Commit: \`${{ github.sha }}\`" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Pull Commands" >> $GITHUB_STEP_SUMMARY
          echo "\`\`\`bash" >> $GITHUB_STEP_SUMMARY
          echo "docker pull ${{ env.REGISTRY }}/backend:${{ github.ref_name }}" >> $GITHUB_STEP_SUMMARY
          echo "docker pull ${{ env.REGISTRY }}/frontend:${{ github.ref_name }}" >> $GITHUB_STEP_SUMMARY
          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY