ci.yml

name: CI

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

jobs:
  validate:
    name: Validate Exercise Files
    runs-on: ubuntu-latest

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

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt

      - name: Check all exercise files exist
        run: |
          echo "Checking exercise files..."
          files=(
            "exercises/grade-1/grade_1.py"
            "exercises/grade-2/grade_2.py"
            "exercises/grade-3/grade_3.py"
            "exercises/grade-4/grade_4.py"
            "exercises/grade-5/grade_5.py"
            "exercises/grade-6/grade_6.py"
            "exercises/grade-7/grade_7.py"
            "exercises/grade-8/grade_8.py"
            "exercises/grade-9/grade_9_pandas.py"
            "exercises/grade-9/grade_9_polars.py"
          )
          for f in "${files[@]}"; do
            if [ ! -f "$f" ]; then
              echo "❌ Missing: $f"
              exit 1
            else
              echo "✅ Found: $f"
            fi
          done

      - name: Check syntax of all exercise files
        run: |
          echo "Checking Python syntax..."
          for f in exercises/**/*.py; do
            python -m py_compile "$f" && echo "✅ $f" || { echo "❌ Syntax error: $f"; exit 1; }
          done

      - name: Check resources exist
        run: |
          if [ ! -f "resources/employees.csv" ]; then
            echo "❌ Missing: resources/employees.csv"
            exit 1
          fi
          echo "✅ resources/employees.csv found"

      - name: All checks passed
        run: echo "🎉 All checks passed!"