name: Collaboration Server Workflow

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - "*"

permissions:
  contents: read

# Its image is built by docker-hub.yml, and the backend integration tests in 
# impress.yml run against a live instance of it. This workflow runs the package's 
# own checks.
defaults:
  run:
    working-directory: src/yhub-server

# One run per pull request: a new push cancels the checks of the previous one.
# Pushes get a group of their own (the commit), so every commit of main keeps
# its full set of checks.
concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
  cancel-in-progress: true

jobs:
  lint-yhub:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6

      - name: Setup Node.js
        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
        with:
          node-version: "22.x"
          cache: yarn
          cache-dependency-path: src/yhub-server/yarn.lock

      - name: Install dependencies
        run: yarn install --frozen-lockfile

      - name: Lint
        run: yarn lint

      - name: Typecheck
        run: yarn typecheck

      # the image compiles with tsconfig.build.json (rootDir ./src, emits),
      # which can fail where the typecheck passes: build too so a break shows
      # up here rather than in the image build
      - name: Build
        run: yarn build

  test-yhub:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6

      - name: Setup Node.js
        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
        with:
          node-version: "22.x"
          cache: yarn
          cache-dependency-path: src/yhub-server/yarn.lock

      - name: Install dependencies
        run: yarn install --frozen-lockfile

      # unit suite: @y/hub is mocked, no redis, postgres or S3 needed
      - name: Test
        run: yarn test