name: Continuous Integration

on:
  workflow_call:
  pull_request:
  push:
    branches:
      - master

permissions:
  contents: read

jobs:
  lint:
    name: 🎨 Linters
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
      - name: Set up Python
        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
        with:
          python-version: '3.11'
      - name: Install dependencies
        run: |
          python -m pip install -U pip setuptools
          python -m pip install -r dev-requirements.txt
          python -m pip uninstall -y charset-normalizer
      - name: Type checking (Mypy)
        run: |
          mypy --strict charset_normalizer
      - name: Import sorting check (isort)
        run: |
          isort --check charset_normalizer
      - name: Code format (Black)
        run: |
          black --check --diff --target-version=py37 charset_normalizer
      - name: Style guide enforcement (Flake8)
        run: |
          flake8 charset_normalizer

  tests:
    name: ✅ Tests
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        python-version:
          - "3.7"
          - "3.8"
          - "3.9"
          - "3.10"
          - "3.11"
          - "3.12"
          - "3.13"

    steps:
      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
        with:
          python-version: ${{ matrix.python-version }}
          allow-prereleases: true
      - name: Install dependencies
        run: |
          python -m pip install -U pip setuptools
          python -m pip install -r dev-requirements.txt
          python -m pip uninstall -y charset-normalizer
      - name: Install the package
        run: |
          python -m build --no-isolation
          python -m pip install ./dist/*.whl
      - name: Run tests
        run: |
          pytest
      - uses: codecov/codecov-action@4fe8c5f003fae66aa5ebb77cfd3e7bfbbda0b6b0 # v3.1.5

  detection_coverage:

    needs:
      - tests

    name: 📈 Detection Coverage
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
      - name: Set up Python
        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
        with:
          python-version: '3.11'
      - name: Install dependencies
        run: |
          python -m pip install -U pip setuptools
          python -m pip install -r dev-requirements.txt
          python -m pip uninstall -y charset-normalizer
      - name: Install the package
        run: |
          python -m build
          python -m pip install ./dist/*.whl
      - name: Clone the complete dataset
        run: |
          git clone https://github.com/Ousret/char-dataset.git
      - name: Coverage WITH preemptive
        run: |
          python ./bin/coverage.py --coverage 97 --with-preemptive
      - name: Coverage WITHOUT preemptive
        run: |
          python ./bin/coverage.py --coverage 95

#  integration_test:
#
#    needs:
#      - tests
#
#    name: 🔗 Integration Tests
#    runs-on: ubuntu-latest
#
#    steps:
#      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
#      - name: Set up Python
#        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
#        with:
#          python-version: '3.11'
#      - name: Install dependencies
#        run: |
#          pip install -U pip setuptools
#          pip install -r dev-requirements.txt
#      - name: Remove Chardet & Charset-Normalizer
#        run: |
#          pip uninstall -y chardet
#          pip uninstall -y charset-normalizer
#      - name: Install the package
#        run: |
#          python -m build
#          pip install ./dist/*.whl
#      - name: Clone the complete dataset
#        run: |
#          git clone https://github.com/Ousret/char-dataset.git
#      - name: Start the Flask server
#        run: |
#          python ./bin/serve.py &
#      - name: Integration Tests with Requests
#        run: |
#          python ./bin/integration.py

  chardet_bc:

    name: ⏪ Chardet Backward-Compatibility Test
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
      - name: Set up Python
        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
        with:
          python-version: '3.11'
      - name: Install dependencies
        run: |
          python -m pip install -U pip setuptools
          python -m pip install -r dev-requirements.txt
          python -m pip uninstall -y charset-normalizer
      - name: Install the package
        run: |
          python -m build
          python -m pip install ./dist/*.whl
      - name: Clone the complete dataset
        run: |
          git clone https://github.com/Ousret/char-dataset.git
      - name: BC Coverage
        run: |
          python ./bin/bc.py --coverage 80

  mypyc_test:

    name: ⚡ MypyC Tests

    needs:
      - tests

    runs-on: ${{ matrix.os }}

    strategy:
      fail-fast: false
      matrix:
        python-version:
          - "3.8"
          - "3.9"
          - "3.10"
          - "3.11"
          - "3.12"
          - "3.13"
        os: [ ubuntu-latest, macos-latest, windows-latest ]
        include:
          - python-version: "3.7"
            os: ubuntu-latest
          - python-version: "3.7"
            os: macos-13
          - python-version: "3.7"
            os: windows-latest
    env:
      PYTHONIOENCODING: utf8  # only needed for Windows (console IO output encoding)
    steps:
      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
        with:
          python-version: ${{ matrix.python-version }}
          allow-prereleases: true
      - name: Install dependencies
        run: |
          python -m pip install -U pip setuptools
          python -m pip install -r dev-requirements.txt
          python -m pip uninstall -y charset-normalizer
      - name: Install the package
        env:
          CHARSET_NORMALIZER_USE_MYPYC: '1'
        run: |
          python -m pip install .
      - name: Clone the complete dataset
        run: |
          git clone https://github.com/Ousret/char-dataset.git
      - name: Coverage WITH preemptive
        run: |
          python ./bin/coverage.py --coverage 97 --with-preemptive
      - name: Performance (Normal)
        run: |
          python ./bin/performance.py

  performance:
    name: ⚡ Performance Test (no MypyC)
    runs-on: ubuntu-latest

    needs:
      - mypyc_test
      - chardet_bc

    steps:
      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
      - name: Set up Python
        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
        with:
          python-version: '3.11'
      - name: Install dependencies
        run: |
          python -m pip install -U pip setuptools
          python -m pip install -r dev-requirements.txt
          python -m pip uninstall -y charset-normalizer
      - name: Install the package
        run: |
          python -m build
          python -m pip install ./dist/*.whl
      - name: Clone the complete dataset
        run: |
          git clone https://github.com/Ousret/char-dataset.git
      - name: Performance (Normal)
        run: |
          python ./bin/performance.py
      - name: Performance (Medium)
        run: |
          python ./bin/performance.py --size-increase 2