name: CI/CD Pipeline

on:
  push:
    branches: [main, develop]
  pull_request:
    branches: [main, develop]

jobs:
  backend:
    name: Backend Build & Test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up JDK 21
        uses: actions/setup-java@v4
        with:
          java-version: '21'
          distribution: 'temurin'
          cache: maven
          working-directory: backend

      - name: Build and Test
        working-directory: backend
        run: mvn verify -B

      - name: Upload Test Results
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: backend-test-results
          path: backend/target/surefire-reports/

  admin-web:
    name: Admin Web Build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'pnpm'
          cache-dependency-path: admin-web/pnpm-lock.yaml

      - name: Install Dependencies
        working-directory: admin-web
        run: pnpm install --frozen-lockfile

      - name: Build
        working-directory: admin-web
        run: pnpm build

  miniapp:
    name: Mini Program Compile Check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Install Dependencies
        working-directory: miniapp
        run: npm install

      - name: TypeScript Compile Check
        working-directory: miniapp
        run: npx tsc --noEmit

  migration:
    name: Migration Validation
    runs-on: ubuntu-latest
    needs: [backend]
    steps:
      - uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      # Phase 23 KEEP-VERIFY：本步骤原注释称「验证 migration SQL 语法」，实际只检查文件非空，
      # 属名不副实的假校验（SQL 语法与基线表完整性由后端测试 MigrationValidationTest 覆盖，
      # 该测试随 backend job 的 `mvn verify` 运行）。现改为该测试未覆盖的**序列**校验。
      - name: 迁移序列校验（命名 / 非空 / 版本号唯一 / 无缺号）
        run: |
          python3 - <<'PY'
          import re, sys, pathlib, collections

          d = pathlib.Path("backend/src/main/resources/db/migration")
          files = sorted(d.glob("V*.sql"))
          if not files:
              sys.exit("ERROR: 未找到任何迁移文件")

          vers, bad_name, empty = [], [], []
          for f in files:
              m = re.match(r"V(\d+)__", f.name)
              if not m:
                  bad_name.append(f.name)
                  continue
              if f.stat().st_size == 0:
                  empty.append(f.name)
              vers.append(int(m.group(1)))

          problems = []
          if bad_name:
              problems.append(f"迁移文件命名不合规（应为 V<序号>__<描述>.sql）: {bad_name}")
          if empty:
              problems.append(f"空迁移文件: {empty}")
          dups = sorted(v for v, c in collections.Counter(vers).items() if c > 1)
          if dups:
              problems.append(f"迁移版本号重复: {dups}")
          gaps = [v for v in range(min(vers), max(vers) + 1) if v not in set(vers)]
          if gaps:
              problems.append(f"迁移版本号缺号: {gaps}")

          if problems:
              for p in problems:
                  print("ERROR: " + p, file=sys.stderr)
              sys.exit(1)

          print(f"OK: {len(files)} 个迁移文件，版本 {min(vers)}~{max(vers)} 连续且唯一")
          PY

  test-shell-guard:
    name: Test Shell Guard (Phase 23 Gate)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      # Phase 23 Gate：「不允许 skip/pass 空壳」。
      # 机械阻断空壳回归 —— 详见 scripts/check-no-empty-tests.py。
      - name: 禁止 skip/pass 空壳测试
        run: python3 scripts/check-no-empty-tests.py tests

  ui-contracts:
    name: UI Contracts (source-structure gates)
    runs-on: ubuntu-latest
    # Phase 23 遗留（收尾计划 批 1 Task 1.1）：14 个 UI 契约门禁此前**只在本地手工执行**，
    # 没有 CI 把关 —— 即「改动破坏了源码结构契约也不会被发现」。
    # 守卫是纯 node 内建模块、零 npm 依赖，故无需装依赖；统一执行器负责逐个跑 + 汇总 + 非零退出，
    # 并校验守卫数量下限（防止守卫被删除/改名后仍然报绿）。
    steps:
      - uses: actions/checkout@v4

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: 运行 UI 契约门禁
        run: node scripts/run-ui-contracts.mjs

  e2e:
    name: E2E (live stack)
    runs-on: ubuntu-latest
    # Phase 23 遗留 D-23-D：计划要求 CI 串联 E2E。此前 E2E 从未真正执行过——
    # 无 conftest、fixture 不存在、文件在 import 期就崩。本 job 起真实栈后执行。
    needs: [backend, migration]
    env:
      E2E_BASE_URL: http://localhost:8085/api/v1
      # CI 专用测试口令，仅存在于 runner 运行期，不入库、不用于任何真实环境
      E2E_OPERATOR_PASSWORD: ci-e2e-only-password
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Install E2E dependencies
        run: pip install -r tests/e2e/requirements.txt

      - name: 生成 CI 测试用 .env（仅运行期存在，不入库）
        run: |
          cat > infrastructure/.env <<'ENV'
          DB_PASSWORD=ci-e2e-db-password
          REDIS_PASSWORD=ci-e2e-redis-password
          MINIO_ACCESS_KEY=ci-e2e-minio
          MINIO_SECRET_KEY=ci-e2e-minio-secret
          JWT_ACCESS_SECRET=ci-e2e-access-secret-only-for-ci
          JWT_REFRESH_SECRET=ci-e2e-refresh-secret-only-for-ci
          ENCRYPTION_KEY=0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef
          WECHAT_APP_SECRET=
          ENV

      - name: 起真实栈（postgres + redis + backend）
        working-directory: infrastructure
        run: docker compose up -d --build postgres redis backend

      - name: 等待 backend 就绪（超时即失败，不静默跳过）
        run: |
          for i in $(seq 1 60); do
            if curl -sf "$E2E_BASE_URL/health/live" > /dev/null; then
              echo "backend READY after ${i} checks"; exit 0
            fi
            sleep 5
          done
          echo "::error::backend 未在 5 分钟内就绪"
          docker compose -f infrastructure/docker-compose.yml logs backend
          exit 1

      - name: Seed E2E 运营账号（迁移不含 operator 种子，全新库无账号可登录）
        working-directory: infrastructure
        run: |
          docker compose exec -T postgres psql -U postgres -d danyang_match \
            -v pwd="$E2E_OPERATOR_PASSWORD" -f - < ../tests/e2e/sql/seed_e2e_operators.sql

      - name: Run E2E
        run: pytest -v

      - name: Teardown（无论成败都清理并留日志）
        if: always()
        run: |
          docker compose -f infrastructure/docker-compose.yml logs backend || true
          docker compose -f infrastructure/docker-compose.yml down -v || true