name: CI

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

# 最小权限：构建/测试仅需读取仓库内容，显式声明以收敛默认的可写令牌。
permissions:
  contents: read

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

jobs:
  backend:
    name: Go Build & Test
    runs-on: ubuntu-latest
    timeout-minutes: 20
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25'
          cache-dependency-path: server/go.sum

      - name: Verify modules
        working-directory: server
        run: go mod verify

      - name: Check formatting
        working-directory: server
        run: |
          unformatted="$(gofmt -l .)"
          if [ -n "$unformatted" ]; then
            printf '%s\n' "$unformatted"
            exit 1
          fi

      - name: Vet
        working-directory: server
        run: go vet ./...

      - name: Build
        working-directory: server
        run: go build ./...

      - name: Test
        working-directory: server
        run: go test ./... -v

  frontend:
    name: React Build & Test
    runs-on: ubuntu-latest
    timeout-minutes: 20
    steps:
      - uses: actions/checkout@v4

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '24'
          cache: 'npm'
          cache-dependency-path: web/package-lock.json

      - name: Install dependencies
        working-directory: web
        run: npm ci

      - name: Test
        working-directory: web
        run: npm run test

      - name: Type Check & Build
        working-directory: web
        run: npm run build