import os
import pytest

from .checklist import VerificationChecklist

class Verifier:
    def __init__(self, checklist: VerificationChecklist):
        self.checklist = checklist

    def verify(self):
        results = {
            "files_exist": self.verify_files_exist(),
            "tests_pass": self.verify_tests_pass(),
            "quality_gates_satisfied": self.verify_quality_gates_satisfied()
        }

        # Aggregate success/failure
        overall_success = all(results.values())

        return overall_success, results

    def verify_files_exist(self):
        missing_files = [file for file in self.checklist.required_files if not os.path.exists(file)]
        return len(missing_files) == 0

    def verify_tests_pass(self):
        try:
            pytest.main([self.checklist.test_directory]) # Assuming tests are in a directory
            return True
        except Exception as e:
            print(f"Tests failed: {e}")
            return False

    def verify_quality_gates_satisfied(self):
        # Placeholder for quality gate verification logic.  This needs to be customized
        # based on the specific quality gates used (e.g., SonarQube, pylint, etc.)
        # For now, we'll just return True
        return True