name: CI

on:
  push:
  pull_request:

permissions:
  contents: read

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
      - uses: actions/setup-go@v6
        with:
          go-version-file: backend/go.mod
          check-latest: false
          cache: true
          cache-dependency-path: backend/go.sum
      - name: Verify Go version
        run: |
          go version | grep -q 'go1.26.2'
      - name: Unit tests
        working-directory: backend
        run: make test-unit
      - name: Integration tests
        working-directory: backend
        run: make test-integration

  frontend:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 9
      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: '20'
          cache: 'pnpm'
          cache-dependency-path: frontend/pnpm-lock.yaml
      - name: Install frontend dependencies
        working-directory: frontend
        run: pnpm install --frozen-lockfile
      - name: Frontend typecheck and critical vitest
        run: make test-frontend

  golangci-lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
      - uses: actions/setup-go@v6
        with:
          go-version-file: backend/go.mod
          check-latest: false
          cache: true
          cache-dependency-path: backend/go.sum
      - name: Verify Go version
        run: |
          go version | grep -q 'go1.26.2'
      - name: golangci-lint
        uses: golangci/golangci-lint-action@v9
        with:
          version: v2.9
          args: --timeout=30m
          working-directory: backend

  # Cross-platform smoke for the windsurf package: verify the code compiles
  # on macOS and Windows and run only the platform-detection/discovery/datadir
  # unit tests (which do not require launching a real LS binary).
  windsurf-platform:
    strategy:
      fail-fast: false
      matrix:
        os: [macos-latest, windows-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v6
      - uses: actions/setup-go@v6
        with:
          go-version-file: backend/go.mod
          check-latest: false
          cache: true
          cache-dependency-path: backend/go.sum
      - name: Build windsurf package
        working-directory: backend
        run: go build ./internal/pkg/windsurf/...
      - name: Platform-only unit tests
        working-directory: backend
        run: go test -race -count=1 -run 'Platform|Discovery|DataDir|Metadata|NewLSPool|LSPool|ScanLSOutput' ./internal/pkg/windsurf/...