name: CI

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

jobs:
  backend:
    name: Backend (lint + tests + compose)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-python@v5
        with:
          python-version: "3.11"
          cache: "pip"

      - name: Install (light deps only, skip ocrmypdf/docling/torch)
        run: |
          python -m pip install --upgrade pip
          pip install \
            "pydantic>=2.7" "pydantic-settings>=2.4" \
            "sqlalchemy>=2.0.30" "psycopg[binary]>=3.2" \
            "alembic>=1.13" "minio>=7.2.7" \
            "opensearch-py>=2.6" "qdrant-client>=1.10" \
            "celery>=5.4" "redis>=5.0" \
            "fastapi>=0.115" "uvicorn[standard]>=0.30" \
            "structlog>=24.2" "tenacity>=8.5" "langdetect>=1.0.9" \
            "regex>=2024.5.15" "click>=8.1.7" \
            "pytest>=8.2" "pytest-asyncio>=0.23" \
            ruff

      - name: Ruff
        working-directory: legacy-knowledge-indexer
        run: ruff check app scripts tests

      - name: Compile
        working-directory: legacy-knowledge-indexer
        run: python -m compileall -q app scripts tests

      - name: Pytest (unit only — heavy deps excluded)
        working-directory: legacy-knowledge-indexer
        run: |
          pytest tests/test_hashing.py tests/test_quality.py \
                 tests/test_chunker.py tests/test_duplicates.py \
                 tests/test_hybrid_search.py -q

      - name: docker compose config
        working-directory: legacy-knowledge-indexer
        run: docker compose config --quiet

      - name: docker compose config (prod overlay)
        working-directory: legacy-knowledge-indexer
        run: |
          test -f docker-compose.prod.yml && \
            docker compose -f docker-compose.yml -f docker-compose.prod.yml config --quiet || \
            echo "prod overlay absent, skipping"

  frontend:
    name: Frontend (lint + type-check + build)
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: legacy-knowledge-indexer/frontend
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-node@v4
        with:
          node-version: "20"
          cache: "npm"
          cache-dependency-path: legacy-knowledge-indexer/frontend/package-lock.json

      - run: npm ci

      - name: ESLint
        run: npm run lint

      - name: TypeScript
        run: npx tsc --noEmit

      - name: Build
        run: npx vite build