ci.yml

name: CI

# Trigger on PRs and pushes to main
on:
  pull_request:
    branches: [main]
  push:
    branches: [main]
    paths-ignore:
      - "**.md"
      - ".github/*.md"
      - "docs/**"
      - "LICENSE"

# Prevent multiple concurrent runs of the same workflow
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

# Define permissions needed for the workflow
permissions:
  contents: read
  pull-requests: write
  checks: write
  id-token: write # Needed for codecov

jobs:
  validate:
    name: Validate
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node-version: [20]
      fail-fast: false

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

      - name: Setup environment
        uses: ./.github/actions/prepare

      - name: Cache dependencies
        uses: actions/cache@v4
        with:
          path: |
            **/node_modules
            ~/.pnpm-store
          key: ${{ runner.os }}-pnpm-${{ hashFiles('**/pnpm-lock.yaml') }}
          restore-keys: |
            ${{ runner.os }}-pnpm-

      - name: Type check
        run: pnpm tsc

      - name: Lint Backend
        run: pnpm lint:backend

      - name: Lint Frontend
        run: pnpm lint:frontend

      - name: Check formatting
        run: pnpm format --check

      - name: Check dependencies (Knip)
        run: pnpm lint:knip || true # Allow warnings for now

  test:
    name: Test
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node-version: [20]
      fail-fast: false

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

      - name: Setup environment
        uses: ./.github/actions/prepare

      - name: Cache dependencies
        uses: actions/cache@v4
        with:
          path: |
            **/node_modules
            ~/.pnpm-store
          key: ${{ runner.os }}-pnpm-${{ hashFiles('**/pnpm-lock.yaml') }}
          restore-keys: |
            ${{ runner.os }}-pnpm-

      - name: Run backend tests
        run: pnpm --filter backend test:coverage
        env:
          CI: true

      - name: Run frontend tests
        run: pnpm --filter frontend test:coverage
        env:
          CI: true

      - name: Upload backend coverage
        uses: codecov/codecov-action@v4
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          flags: backend
          directory: ./apps/backend/coverage
          fail_ci_if_error: true

      - name: Upload frontend coverage
        uses: codecov/codecov-action@v4
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          flags: frontend
          directory: ./apps/frontend/coverage
          fail_ci_if_error: true

  build:
    name: Build
    runs-on: ubuntu-latest
    needs: [validate, test]
    strategy:
      matrix:
        node-version: [20]
      fail-fast: false

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

      - name: Setup environment
        uses: ./.github/actions/prepare

      - name: Cache dependencies
        uses: actions/cache@v4
        with:
          path: |
            **/node_modules
            ~/.pnpm-store
          key: ${{ runner.os }}-pnpm-${{ hashFiles('**/pnpm-lock.yaml') }}
          restore-keys: |
            ${{ runner.os }}-pnpm-

      - name: Build applications
        run: pnpm build

      - name: Test backend build
        run: NODE_ENV=production node apps/backend/dist/index.js