name: CI/CD Pipeline

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

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.10'
    
    - name: Cache pip dependencies
      uses: actions/cache@v3
      with:
        path: ~/.cache/pip
        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
        restore-keys: |
          ${{ runner.os }}-pip-
    
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements.txt
        pip install pytest pytest-cov
    
    - name: Run tests
      run: |
        pytest --cov=. --cov-report=xml
    
    - name: Upload coverage to Codecov
      uses: codecov/codecov-action@v3
      with:
        file: ./coverage.xml
        fail_ci_if_error: false

  lint:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.10'
    
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install flake8 black
    
    - name: Run Black
      run: black --check .
    
    - name: Run Flake8
      run: flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics

  build:
    needs: [test, lint]
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.10'
    
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements.txt
    
    - name: Test app import
      run: |
        python -c "import app; print('App imports successfully')"
        python -c "from classifier import AIPapersIntelligenceClassifier; print('Classifier imports successfully')"
        python -c "import ranker; print('Ranker imports successfully')"
        python -c "import data_fetcher; print('Data fetcher imports successfully')"
        python -c "import model_manager; print('Model manager imports successfully')"

  deploy-huggingface:
    needs: [build]
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0
    
    - name: Push to Hugging Face
      env:
        HF_TOKEN: ${{ secrets.HF_TOKEN }}
      run: |
        git config --global user.email "github-actions@github.com"
        git config --global user.name "github-actions"
        git remote add hf https://huggingface.co/spaces/nellaivijay/ai-papers-intelligence-classifier
        git push hf main --force