name: CI

on:
  push:
    branches: [master]
  pull_request:
  workflow_dispatch:

permissions:
  contents: read

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

jobs:
  checks:
    name: Lint, typecheck, unit tests, build
    runs-on: ubuntu-latest
    timeout-minutes: 20
    steps:
      - uses: actions/checkout@v7
      - uses: actions/setup-node@v7
        with:
          # Node 24 is the toolchain this project is developed on. package.json
          # requires 20 or newer.
          node-version: 24
          cache: npm
      - name: Install
        run: npm ci
      - name: Lint
        run: npm run lint
      - name: Typecheck
        run: npm run typecheck
      - name: Unit tests
        run: npm test
      # No environment variables are needed: the app has no external origins
      # to allow, so the same build runs everywhere.
      - name: Production build
        run: npm run build

  e2e:
    name: End-to-end (Playwright)
    runs-on: ubuntu-latest
    timeout-minutes: 40
    steps:
      - uses: actions/checkout@v7
      - uses: actions/setup-node@v7
        with:
          node-version: 24
          cache: npm
      - name: Install
        run: npm ci
      - name: Install browsers
        run: npx playwright install --with-deps chromium firefox webkit
      # playwright.config.ts starts `npm run dev` itself. The camera specs need
      # Chromium's fake media device flags, and the firefox/webkit projects run
      # crossbrowser.spec.ts only.
      - name: Run Playwright
        run: npx playwright test
      - name: Upload the report on failure
        if: failure()
        uses: actions/upload-artifact@v7
        with:
          name: playwright-report
          # The `line` reporter used in CI writes no HTML report, so the failure
          # evidence is the trace, the error context, and the screenshots under
          # test-results.
          path: |
            playwright-report
            test-results
          if-no-files-found: ignore
          retention-days: 7