name: Quality checks

on:
  pull_request:
  push:
    branches:
      - main

permissions:
  contents: read

jobs:
  backend:
    name: Backend checks
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: backend
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version-file: backend/go.mod
          cache: true
      - name: Check formatting
        run: test -z "$(gofmt -l .)"
      - name: Run Go tests
        run: go test ./...

  web:
    name: Web checks
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: web
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - uses: oven-sh/setup-bun@v2
        with:
          bun-version: 1.3.9
      - name: Install dependencies
        run: bun install --frozen-lockfile
      - name: Install Canvas Agent dependencies
        working-directory: canvas-agent
        run: bun install --frozen-lockfile
      - name: Check formatting
        env:
          BASE_SHA: ${{ github.event.pull_request.base.sha || github.event.before }}
        run: |
          changed_files=()
          repo_prefix="$(git rev-parse --show-prefix)"
          while IFS= read -r -d '' file; do
            case "$file" in
              *.css|*.html|*.json|*.js|*.jsx|*.md|*.mdx|*.mjs|*.cjs|*.ts|*.tsx|*.yaml|*.yml)
                base_path="${repo_prefix}${file}"
                if git cat-file -e "$BASE_SHA:$base_path" 2>/dev/null \
                  && ! diff -q \
                    <(git show "$BASE_SHA:$base_path") \
                    <(git show "$BASE_SHA:$base_path" | bunx prettier --ignore-path /dev/null --stdin-filepath "$file") \
                    >/dev/null; then
                  echo "Skipping legacy unformatted file: $file"
                  continue
                fi
                changed_files+=("$file")
                ;;
            esac
          done < <(git diff --relative --name-only --diff-filter=ACMR -z "$BASE_SHA" "$GITHUB_SHA" -- .)
          if (( ${#changed_files[@]} > 0 )); then
            bunx prettier --check "${changed_files[@]}"
          else
            echo "No changed web files require formatting checks."
          fi
      - name: Typecheck
        run: bun run typecheck
      - name: Run tests
        run: bun run test
      # ubuntu-latest 预装 google-chrome；脚本的解析顺序已覆盖该路径，
      # 因此不引入第三方 setup action，也不需要任何 secret。
      - name: Director P0 Chrome E2E
        run: |
          google-chrome --version || chromium --version
          bun run test:director:e2e