.github/workflows/python-app.yml

# This workflow will install Python dependencies, run tests and lint with a single version of Python
# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python

name: Python application

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

permissions:
  contents: read

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    
    - name: Set up Python 3.10
      uses: actions/setup-python@v3
      with:
        python-version: "3.10"
    
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip setuptools wheel
        pip install flake8 pytest pytest-flask pandas scikit-learn flask fuzzywuzzy python-Levenshtein
        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi

    - name: Verify data and model directories
      run: |
        mkdir -p data/processed_dataset
        mkdir -p src/trained_model
        touch data/movies.csv data/credits.csv
        if [ ! -d "src/trained_model" ]; then
          echo "Model directory missing!"
          exit 1
        fi
        if [ ! -d "src/templates" ] || [ ! -f "src/templates/index.html" ]; then
          echo "Template files missing!"
          exit 1
        fi
    
    - name: Lint with flake8
      run: |
        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
    
    - name: Process data and train model
      run: |
        python src/app/main.py
    
    - name: Verify model artifacts
      run: |
        if [ ! -f "src/trained_model/processed_data.pkl" ] || \
           [ ! -f "src/trained_model/similarity_matrix.pkl" ] || \
           [ ! -f "src/trained_model/vectorizer.pkl" ]; then
          echo "Model artifacts missing!"
          exit 1
        fi
    
    - name: Test with pytest
      run: |
        python -m pytest tests/ -v

    - name: Start and Test Flask App
      run: |
        python src/app/app.py &
        sleep 10
        curl --retry 5 --retry-delay 5 --retry-connrefused http://127.0.0.1:5000/ || exit 1
        pkill -f "python src/app/app.py"
      env:
        FLASK_ENV: testing
        FLASK_DEBUG: 0


    - name: Check setup.py
      run: |
        if [ -f setup.py ]; then
          python setup.py check
          python setup.py sdist bdist_wheel
          pip install -e .
        else
          echo "setup.py not found - skipping package build"
        fi