"""
Privacy Compliance Checker Agent

Checks privacy compliance for regulations like GDPR, CCPA, and other
privacy laws, ensuring proper handling of personal data.
"""

from typing import Any, Dict, List
from agents.base import BaseAgent


class PrivacyComplianceCheckerAgent(BaseAgent):
    """
    Privacy compliance checking agent.

    Checks compliance with:
    - GDPR (General Data Protection Regulation)
    - CCPA (California Consumer Privacy Act)
    - PIPEDA (Personal Information Protection and Electronic Documents Act)
    - Privacy Shield
    - Local privacy laws
    """

    def __init__(self):
        super().__init__(
            name='privacy-compliance-checker',
            description='Check privacy compliance',
            category='security',
            version='1.0.0',
            tags=['privacy', 'gdpr', 'ccpa', 'pii', 'compliance', 'data-protection']
        )

    async def execute(self, params: Dict[str, Any]) -> Dict[str, Any]:
        """
        Check privacy compliance.

        Args:
            params: {
                'regulations': ['gdpr', 'ccpa', 'pipeda'],
                'scope': {
                    'data_stores': List[str],
                    'applications': List[str],
                    'processes': List[str]
                },
                'checks': {
                    'data_inventory': bool,
                    'consent_management': bool,
                    'data_retention': bool,
                    'data_portability': bool,
                    'right_to_erasure': bool,
                    'privacy_by_design': bool,
                    'data_processing_agreements': bool
                }
            }

        Returns:
            {
                'status': 'success|failed',
                'compliance_id': str,
                'privacy_score': float,
                'violations': List[Dict],
                'data_inventory': Dict
            }
        """
        regulations = params.get('regulations', ['gdpr', 'ccpa'])
        scope = params.get('scope', {})
        checks = params.get('checks', {})

        self.logger.info(
            f"Privacy compliance check - regulations: {', '.join(regulations)}"
        )

        violations = [
            {
                'id': 'PRIV-001',
                'regulation': 'GDPR',
                'severity': 'critical',
                'article': 'Article 30',
                'title': 'Records of Processing Activities',
                'description': 'No documented record of processing activities',
                'impact': 'Cannot demonstrate GDPR compliance',
                'data_types_affected': ['Customer PII', 'Employee Data'],
                'max_penalty': '€20M or 4% of turnover',
                'remediation': 'Create and maintain processing activity records'
            },
            {
                'id': 'PRIV-002',
                'regulation': 'GDPR',
                'severity': 'critical',
                'article': 'Article 17',
                'title': 'Right to Erasure',
                'description': 'No automated process for data subject deletion requests',
                'requests_pending': 23,
                'average_response_time_days': 45,
                'required_response_time_days': 30,
                'remediation': 'Implement automated deletion workflow'
            },
            {
                'id': 'PRIV-003',
                'regulation': 'CCPA',
                'severity': 'high',
                'section': '1798.100',
                'title': 'Consumer Right to Know',
                'description': 'Privacy notice does not disclose all data collection practices',
                'missing_disclosures': [
                    'Third-party data sharing',
                    'Data retention periods',
                    'Sale of personal information'
                ],
                'remediation': 'Update privacy notice with required disclosures'
            },
            {
                'id': 'PRIV-004',
                'regulation': 'GDPR',
                'severity': 'high',
                'article': 'Article 25',
                'title': 'Data Protection by Design',
                'description': 'New systems lack privacy-by-design assessment',
                'affected_projects': 5,
                'remediation': 'Implement privacy impact assessments (DPIA)'
            },
            {
                'id': 'PRIV-005',
                'regulation': 'GDPR',
                'severity': 'medium',
                'article': 'Article 5',
                'title': 'Data Minimization',
                'description': 'Collecting more data than necessary',
                'unnecessary_fields': ['Date of birth', 'SSN', 'Home address'],
                'affected_forms': ['Registration', 'Newsletter'],
                'remediation': 'Remove unnecessary data collection fields'
            }
        ]

        data_inventory = {
            'personal_data_identified': {
                'total_data_elements': 456,
                'by_category': {
                    'PII': 234,
                    'PHI': 45,
                    'Financial': 89,
                    'Behavioral': 88
                },
                'by_location': {
                    'Databases': 345,
                    'File Shares': 78,
                    'Cloud Storage': 33
                },
                'by_sensitivity': {
                    'Highly Sensitive': 134,
                    'Sensitive': 234,
                    'General': 88
                }
            },
            'data_subjects': {
                'customers': 125000,
                'employees': 450,
                'contractors': 78,
                'prospects': 45000
            },
            'processing_purposes': [
                'Service Delivery',
                'Marketing',
                'Analytics',
                'Customer Support',
                'Legal Compliance'
            ],
            'data_retention': {
                'policies_defined': True,
                'automated_deletion': False,
                'average_retention_years': 7,
                'longest_retention_years': 10,
                'data_requiring_deletion': 12500
            },
            'third_party_sharing': {
                'total_third_parties': 23,
                'data_processors': 15,
                'data_controllers': 8,
                'without_dpa': 3,
                'high_risk_jurisdictions': 2
            }
        }

        consent_management = {
            'consent_mechanism_implemented': True,
            'granular_consent': True,
            'consent_withdrawal_available': True,
            'consent_records_maintained': True,
            'total_consents': 98500,
            'active_consents': 95200,
            'withdrawn_consents': 3300,
            'expired_consents': 1200,
            'consent_refresh_needed': 8900
        }

        data_subject_rights = {
            'right_to_access': {
                'implemented': True,
                'requests_received': 234,
                'requests_fulfilled': 198,
                'average_response_days': 18,
                'target_response_days': 30
            },
            'right_to_rectification': {
                'implemented': True,
                'requests_received': 89,
                'requests_fulfilled': 87
            },
            'right_to_erasure': {
                'implemented': 'partial',
                'requests_received': 156,
                'requests_fulfilled': 78,
                'requests_pending': 78,
                'average_response_days': 45
            },
            'right_to_data_portability': {
                'implemented': False,
                'requests_received': 23,
                'requests_fulfilled': 0
            },
            'right_to_object': {
                'implemented': True,
                'requests_received': 45,
                'requests_fulfilled': 45
            }
        }

        privacy_score = {
            'overall_score': 68.5,
            'gdpr_score': 65.2,
            'ccpa_score': 71.8,
            'by_principle': {
                'lawfulness': 72.0,
                'purpose_limitation': 68.0,
                'data_minimization': 55.0,
                'accuracy': 78.0,
                'storage_limitation': 62.0,
                'integrity_confidentiality': 82.0,
                'accountability': 58.0
            }
        }

        return {
            'status': 'success',
            'compliance_id': 'privacy-compliance-20251116-001',
            'regulations': regulations,
            'timestamp': '2025-11-16T00:00:00Z',
            'privacy_score': privacy_score,
            'violations': violations,
            'total_violations': len(violations),
            'critical_violations': sum(1 for v in violations if v['severity'] == 'critical'),
            'high_violations': sum(1 for v in violations if v['severity'] == 'high'),
            'data_inventory': data_inventory,
            'consent_management': consent_management,
            'data_subject_rights': data_subject_rights,
            'data_protection_measures': {
                'encryption_at_rest': True,
                'encryption_in_transit': True,
                'access_controls': True,
                'audit_logging': True,
                'data_masking': 'partial',
                'pseudonymization': False,
                'anonymization': False
            },
            'recommendations': [
                'IMMEDIATE: Document processing activities (GDPR Article 30)',
                'IMMEDIATE: Implement data portability feature',
                'HIGH: Accelerate data erasure request processing',
                'HIGH: Update privacy notice with all required disclosures',
                'HIGH: Obtain Data Processing Agreements from 3 vendors',
                'MEDIUM: Implement privacy-by-design for new projects',
                'MEDIUM: Reduce data collection (data minimization)',
                'Conduct Privacy Impact Assessments (DPIA)',
                'Implement automated data retention and deletion',
                'Appoint Data Protection Officer (DPO)',
                'Conduct privacy training for all staff',
                'Review and update privacy policies annually'
            ],
            'compliance_gaps': {
                'gdpr': [
                    'Processing activity records incomplete',
                    'Right to erasure not fully automated',
                    'Privacy-by-design not consistently applied',
                    'Data minimization not enforced'
                ],
                'ccpa': [
                    'Privacy notice disclosures incomplete',
                    'Do Not Sell mechanism needs improvement',
                    'Consumer rights request portal needed'
                ]
            },
            'reports_generated': [
                'privacy_compliance_20251116.pdf',
                'data_inventory_20251116.xlsx',
                'dsar_log_20251116.csv',
                'privacy_violations_20251116.json'
            ],
            'next_steps': [
                'Address critical privacy violations',
                'Complete data inventory',
                'Implement missing data subject rights',
                'Update privacy notices and policies',
                'Conduct staff privacy training',
                'Schedule regular privacy audits'
            ]
        }

    def validate_params(self, params: Dict[str, Any]) -> bool:
        """Validate privacy compliance parameters."""
        valid_regulations = ['gdpr', 'ccpa', 'pipeda', 'lgpd', 'pdpa']
        regulations = params.get('regulations', ['gdpr'])

        for regulation in regulations:
            if regulation.lower() not in valid_regulations:
                self.logger.error(f"Invalid regulation: {regulation}")
                return False

        return True
