name: Tests

permissions:
  contents: read

on:
  pull_request:
    branches: [main, dev]
    paths:
      - 'server/**'
      - 'client/**'
      - 'shared/**'
      - '.github/workflows/test.yml'

jobs:
  shared-contracts:
    name: Shared Contracts (Zod)
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v6

      - uses: actions/setup-node@v6
        with:
          node-version: 22
          cache: npm
          cache-dependency-path: shared/package-lock.json

      - name: Install dependencies
        run: cd shared && npm ci

      - name: Typecheck
        run: cd shared && npm run typecheck

      - name: Run tests
        run: cd shared && npm test

  server-tests:
    name: Server Tests
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v6

      - uses: actions/setup-node@v6
        with:
          node-version: 22
          cache: npm
          cache-dependency-path: server/package-lock.json

      - name: Install dependencies
        run: cd server && npm ci

      - name: Build (tsc + tsc-alias -> dist)
        run: cd server && npm run build

      - name: Typecheck (informational)
        # Legacy code still has pre-existing type errors; this surfaces them
        # without blocking the migration. Ratchet to blocking once cleaned up.
        continue-on-error: true
        run: cd server && npm run typecheck

      - name: Run tests
        run: cd server && npm run test:coverage

      - name: Upload coverage
        if: success()
        uses: actions/upload-artifact@v6
        with:
          name: backend-coverage
          path: server/coverage/
          retention-days: 7

  client-tests:
    name: Client Tests
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v6

      - uses: actions/setup-node@v6
        with:
          node-version: 22
          cache: npm
          cache-dependency-path: client/package-lock.json

      - name: Install dependencies
        run: cd client && npm ci

      - name: Run tests
        run: cd client && npm run test:coverage

      - name: Upload coverage
        if: success()
        uses: actions/upload-artifact@v6
        with:
          name: frontend-coverage
          path: client/coverage/
          retention-days: 7