"""
Context-Aware Test Generation

Learns from existing tests to match codebase style.
"""

import logging
from pathlib import Path
from typing import Any

logger = logging.getLogger(__name__)


class ContextLearner:
    """Learns test patterns from existing tests."""

    def __init__(self, project_root: Path | None = None):
        """Initialize context learner."""
        self.project_root = project_root or Path.cwd()

    def learn_patterns(self, test_dir: Path | str) -> dict[str, Any]:
        """
        Learn patterns from existing tests.

        Args:
            test_dir: Directory containing test files

        Returns:
            Learned patterns
        """
        test_path = Path(test_dir)
        if not test_path.is_absolute():
            test_path = self.project_root / test_path

        patterns: dict[str, Any] = {
            "fixture_patterns": [],
            "mock_patterns": [],
            "test_style": "pytest",  # Default
        }

        # Analyze test files
        for test_file in test_path.rglob("test_*.py"):
            content = test_file.read_text(encoding="utf-8")
            # Extract patterns (simplified)
            if "pytest.fixture" in content:
                patterns["fixture_patterns"].append("pytest")
            if "unittest.mock" in content:
                patterns["mock_patterns"].append("unittest.mock")

        return patterns

