# .github/workflows/ci.yml — Picarones CI/CD
#
# Pipeline GitHub Actions :
#   - Tests sur Python 3.11 et 3.12
#   - Linux, macOS, Windows
#   - Rapport de couverture (Codecov)
#   - Build de la distribution Python
#   - Vérification de l'exécutable demo

name: CI

on:
  push:
    branches: [main, develop, "feature/**", "sprint/**", "claude/**"]
  pull_request:
    branches: [main, develop]
  workflow_dispatch:  # Déclenchement manuel

permissions:
  contents: read

# ──────────────────────────────────────────────────────────────────
# Job 1 : Tests unitaires et d'intégration
# ──────────────────────────────────────────────────────────────────
jobs:
  tests:
    name: Tests Python ${{ matrix.python-version }} / ${{ matrix.os }}
    runs-on: ${{ matrix.os }}

    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        python-version: ["3.11", "3.12"]

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          cache: pip

      # ── Tesseract ──────────────────────────────────────────────
      - name: Install Tesseract (Ubuntu)
        if: runner.os == 'Linux'
        run: |
          sudo apt-get update -qq
          sudo apt-get install -y tesseract-ocr tesseract-ocr-fra tesseract-ocr-lat

      - name: Install Tesseract (macOS)
        if: runner.os == 'macOS'
        run: |
          brew install tesseract tesseract-lang
        env:
          HOMEBREW_NO_AUTO_UPDATE: "1"

      - name: Install Tesseract (Windows)
        if: runner.os == 'Windows'
        run: |
          choco install tesseract -y
          echo "C:\Program Files\Tesseract-OCR" >> $env:GITHUB_PATH
        shell: pwsh

      # ── Dépendances Python ──────────────────────────────────────
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -e ".[dev,web]"

      # ── Tests ───────────────────────────────────────────────────
      - name: Run tests
        shell: bash
        run: |
          pytest tests/ -q --tb=short --no-header \
            --cov=picarones --cov-report=xml --cov-report=term-missing
        env:
          PYTHONIOENCODING: utf-8
          PYTHONUTF8: "1"

      # ── Couverture ──────────────────────────────────────────────
      - name: Upload coverage to Codecov
        if: runner.os == 'Linux' && matrix.python-version == '3.11'
        uses: codecov/codecov-action@v4
        with:
          files: coverage.xml
          flags: unittests
          name: picarones-coverage
          fail_ci_if_error: false

  # ──────────────────────────────────────────────────────────────────
  # Job 2 : Vérification du rapport demo
  # ──────────────────────────────────────────────────────────────────
  demo:
    name: Demo end-to-end
    runs-on: ubuntu-latest
    needs: tests

    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Install Tesseract
        run: |
          sudo apt-get update -qq
          sudo apt-get install -y tesseract-ocr tesseract-ocr-fra

      - name: Install Picarones
        run: pip install -e .

      - name: Run demo
        run: |
          picarones demo --docs 12 --output rapport_demo_ci.html \
            --with-history --with-robustness
          ls -lh rapport_demo_ci.html
          # Vérifier que le fichier est valide et contient les sections attendues
          python -c "
          content = open('rapport_demo_ci.html').read()
          assert 'Picarones' in content, 'Picarones non trouvé dans le rapport'
          assert 'CER' in content, 'CER non trouvé dans le rapport'
          assert len(content) > 50000, f'Rapport trop petit : {len(content)} octets'
          print(f'Rapport OK : {len(content):,} octets')
          "

      - name: Upload demo report as artifact
        uses: actions/upload-artifact@v4
        with:
          name: rapport-demo
          path: rapport_demo_ci.html
          retention-days: 7

  # ──────────────────────────────────────────────────────────────────
  # Job 3 : Build de la distribution Python
  # ──────────────────────────────────────────────────────────────────
  build:
    name: Build distribution
    runs-on: ubuntu-latest
    needs: tests

    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Install build tools
        run: pip install --upgrade build twine

      - name: Build wheel and sdist
        run: python -m build

      - name: Check distribution
        run: twine check dist/*

      - name: Upload distribution as artifact
        uses: actions/upload-artifact@v4
        with:
          name: dist-packages
          path: dist/
          retention-days: 30

  # ──────────────────────────────────────────────────────────────────
  # Job 4 : Vérification de la qualité du code (optionnel)
  # ──────────────────────────────────────────────────────────────────
  lint:
    name: Code quality
    runs-on: ubuntu-latest
    continue-on-error: true  # Ne bloque pas le CI si le lint échoue

    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Install ruff
        run: pip install ruff

      - name: Run ruff
        run: |
          ruff check picarones/ --select=E,W,F --ignore=E501,W503 || true
          ruff check tests/ --select=E,W,F --ignore=E501,W503 || true

  # ──────────────────────────────────────────────────────────────────
  # Job 5 : CI/CD — Détection de régression CER (optionnel)
  # Commenté par défaut — activer si vous avez un corpus de référence
  # ──────────────────────────────────────────────────────────────────
  # regression-check:
  #   name: Regression check
  #   runs-on: ubuntu-latest
  #   needs: tests
  #   if: github.event_name == 'pull_request'
  #
  #   steps:
  #     - name: Checkout
  #       uses: actions/checkout@v4
  #
  #     - name: Install
  #       run: pip install -e .
  #
  #     - name: Run benchmark on reference corpus
  #       run: |
  #         picarones run \
  #           --corpus ./tests/fixtures/reference_corpus/ \
  #           --engines tesseract \
  #           --output results_pr.json \
  #           --fail-if-cer-above 15.0