name: Dev CI

# Fast feedback loop for the dev branch.
# Runs lint + unit tests only — no Docker build, no deployment.

on:
  push:
    branches: [dev]
  pull_request:
    branches: [dev]

concurrency:
  group: dev-ci-${{ github.ref }}
  cancel-in-progress: true

env:
  NODE_VERSION: '20'

jobs:
  # ──────────────────────────────────────────
  # Lint & Type-check
  # ──────────────────────────────────────────
  quality:
    name: Quality (${{ matrix.app }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        app: [backend, frontend]

    defaults:
      run:
        working-directory: apps/${{ matrix.app }}

    steps:
      - uses: actions/checkout@v4

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

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

      - name: Lint
        run: npm run lint

      - name: Type-check (frontend only)
        if: matrix.app == 'frontend'
        run: npm run type-check

  # ──────────────────────────────────────────
  # Unit Tests
  # ──────────────────────────────────────────
  unit-tests:
    name: Unit Tests (${{ matrix.app }})
    runs-on: ubuntu-latest
    needs: quality
    strategy:
      fail-fast: false
      matrix:
        app: [backend, frontend]

    defaults:
      run:
        working-directory: apps/${{ matrix.app }}

    steps:
      - uses: actions/checkout@v4

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

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

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

  # ──────────────────────────────────────────
  # Discord notification on failure
  # ──────────────────────────────────────────
  notify-failure:
    name: Notify Failure
    runs-on: ubuntu-latest
    needs: [quality, unit-tests]
    if: failure()

    steps:
      - name: Send Discord notification
        run: |
          curl -s -H "Content-Type: application/json" -d '{
            "embeds": [{
              "title": "❌ Dev CI Failed",
              "description": "Fix the issues before merging to preprod.",
              "color": 15158332,
              "fields": [
                {"name": "Branch", "value": "`${{ github.ref_name }}`", "inline": true},
                {"name": "Author", "value": "${{ github.actor }}", "inline": true},
                {"name": "Commit", "value": "[`${{ github.sha }}`](${{ github.event.head_commit.url }})", "inline": false},
                {"name": "Workflow", "value": "[${{ github.workflow }}](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})", "inline": false}
              ],
              "footer": {"text": "Xpeditis CI/CD"}
            }]
          }' ${{ secrets.DISCORD_WEBHOOK_URL }}