"""
Vendor Manager Agent

Manages vendor relationships including performance tracking,
contract management, payment processing, and compliance monitoring.
"""

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


class VendorManagerAgent(BaseAgent):
    """
    Manages vendor relationships and contracts.

    Features:
    - Vendor onboarding
    - Performance tracking
    - Contract management
    - Payment processing
    - Compliance monitoring
    - Vendor scoring
    """

    def __init__(self):
        super().__init__(
            name='vendor-manager',
            description='Manage vendor relationships and performance',
            category='business',
            version='1.0.0',
            tags=['vendors', 'suppliers', 'procurement', 'contracts', 'compliance']
        )

    async def execute(self, params: Dict[str, Any]) -> Dict[str, Any]:
        """
        Manage vendor relationships.

        Args:
            params: {
                'operation': 'onboard|evaluate|track_performance|renew|terminate',
                'vendor_id': str,
                'evaluation_period': Dict,
                'options': {
                    'auto_score': bool,
                    'check_compliance': bool,
                    'track_deliverables': bool,
                    'monitor_sla': bool
                }
            }

        Returns:
            {
                'status': 'success|failed',
                'vendor': Dict,
                'performance': Dict,
                'compliance': Dict,
                'recommendations': List[str]
            }
        """
        operation = params.get('operation', 'evaluate')
        vendor_id = params.get('vendor_id')
        options = params.get('options', {})

        self.logger.info(f"Vendor management operation: {operation}")

        # Mock vendor data
        vendors = [
            {
                'id': 'VEN-001',
                'name': 'CloudHost Solutions',
                'category': 'Cloud Infrastructure',
                'status': 'active',
                'tier': 'strategic',
                'since': '2023-06-15',
                'relationship_duration_months': 29,
                'contact': {
                    'primary': 'Jane Wilson',
                    'email': 'jane.wilson@cloudhost.com',
                    'phone': '+1-555-0199'
                },
                'contract': {
                    'id': 'CTR-VEN-001',
                    'type': 'Master Service Agreement',
                    'start_date': '2023-06-15',
                    'end_date': '2026-06-14',
                    'value_annual': 240000,
                    'payment_terms': 'Net 30',
                    'auto_renewal': True,
                    'renewal_notice_days': 90
                },
                'services_provided': [
                    'Cloud hosting',
                    'Database services',
                    'CDN',
                    '24/7 support'
                ],
                'spend': {
                    'ytd': 196000,
                    'last_year': 220000,
                    'total_lifetime': 545000
                },
                'performance_score': 92,
                'last_review_date': '2025-10-15'
            },
            {
                'id': 'VEN-002',
                'name': 'SecureAuth Inc',
                'category': 'Security Software',
                'status': 'active',
                'tier': 'preferred',
                'since': '2024-01-10',
                'relationship_duration_months': 10,
                'contact': {
                    'primary': 'Robert Chang',
                    'email': 'rchang@secureauth.com',
                    'phone': '+1-555-0245'
                },
                'contract': {
                    'id': 'CTR-VEN-002',
                    'type': 'Software License Agreement',
                    'start_date': '2024-01-10',
                    'end_date': '2025-01-09',
                    'value_annual': 85000,
                    'payment_terms': 'Net 45',
                    'auto_renewal': False
                },
                'services_provided': [
                    'Identity management',
                    'MFA solution',
                    'Security training'
                ],
                'spend': {
                    'ytd': 78000,
                    'last_year': 0,
                    'total_lifetime': 78000
                },
                'performance_score': 88,
                'last_review_date': '2025-11-01',
                'renewal_status': 'under_review'
            },
            {
                'id': 'VEN-003',
                'name': 'Office Supplies Plus',
                'category': 'Office Supplies',
                'status': 'active',
                'tier': 'standard',
                'since': '2022-03-20',
                'relationship_duration_months': 43,
                'contact': {
                    'primary': 'Maria Garcia',
                    'email': 'mgarcia@officesupplies.com',
                    'phone': '+1-555-0367'
                },
                'contract': {
                    'id': 'CTR-VEN-003',
                    'type': 'Purchase Agreement',
                    'start_date': '2022-03-20',
                    'end_date': None,
                    'value_annual': 18000,
                    'payment_terms': 'Net 60',
                    'auto_renewal': False
                },
                'services_provided': [
                    'Office supplies',
                    'Furniture',
                    'Cleaning supplies'
                ],
                'spend': {
                    'ytd': 15600,
                    'last_year': 17200,
                    'total_lifetime': 62400
                },
                'performance_score': 75,
                'last_review_date': '2025-09-10',
                'issues': ['Late deliveries', 'Quality concerns']
            }
        ]

        # Mock performance metrics
        performance_metrics = {
            'vendor_id': vendor_id or 'VEN-001',
            'evaluation_period': '2025-01-01 to 2025-11-16',
            'overall_score': 92,
            'grade': 'A',
            'metrics': {
                'quality': {
                    'score': 94,
                    'weight': 0.30,
                    'measures': {
                        'defect_rate': 0.008,
                        'error_rate': 0.012,
                        'customer_satisfaction': 4.7
                    }
                },
                'delivery': {
                    'score': 91,
                    'weight': 0.25,
                    'measures': {
                        'on_time_delivery_rate': 0.96,
                        'lead_time_adherence': 0.94,
                        'order_accuracy': 0.98
                    }
                },
                'cost': {
                    'score': 88,
                    'weight': 0.20,
                    'measures': {
                        'price_competitiveness': 0.85,
                        'no_surprise_charges': True,
                        'value_for_money': 4.4
                    }
                },
                'responsiveness': {
                    'score': 95,
                    'weight': 0.15,
                    'measures': {
                        'avg_response_time_hours': 2.3,
                        'issue_resolution_rate': 0.97,
                        'communication_quality': 4.8
                    }
                },
                'compliance': {
                    'score': 93,
                    'weight': 0.10,
                    'measures': {
                        'contract_adherence': 0.98,
                        'regulatory_compliance': True,
                        'documentation_completeness': 0.94
                    }
                }
            },
            'trend': 'improving',
            'previous_score': 89,
            'score_change': '+3'
        }

        # Mock SLA tracking
        sla_performance = {
            'sla_items': [
                {
                    'metric': 'System Uptime',
                    'target': '99.9%',
                    'actual': '99.94%',
                    'status': 'met',
                    'violations': 0
                },
                {
                    'metric': 'Response Time',
                    'target': '<4 hours',
                    'actual': '2.3 hours',
                    'status': 'exceeded',
                    'violations': 0
                },
                {
                    'metric': 'Resolution Time',
                    'target': '<24 hours',
                    'actual': '18.5 hours',
                    'status': 'met',
                    'violations': 2
                },
                {
                    'metric': 'Support Availability',
                    'target': '24/7',
                    'actual': '24/7',
                    'status': 'met',
                    'violations': 0
                }
            ],
            'overall_sla_compliance': 0.98,
            'penalties_incurred': 0,
            'credits_issued': 0
        }

        # Mock compliance status
        compliance = {
            'overall_status': 'compliant',
            'last_audit_date': '2025-09-15',
            'next_audit_date': '2026-03-15',
            'certifications': [
                {
                    'name': 'ISO 27001',
                    'status': 'valid',
                    'expiry_date': '2026-08-20',
                    'verified': True
                },
                {
                    'name': 'SOC 2 Type II',
                    'status': 'valid',
                    'expiry_date': '2026-04-30',
                    'verified': True
                },
                {
                    'name': 'GDPR Compliant',
                    'status': 'valid',
                    'expiry_date': None,
                    'verified': True
                }
            ],
            'insurance': {
                'general_liability': {
                    'required': 2000000,
                    'actual': 5000000,
                    'status': 'compliant',
                    'expiry_date': '2026-01-15'
                },
                'professional_liability': {
                    'required': 1000000,
                    'actual': 2000000,
                    'status': 'compliant',
                    'expiry_date': '2026-01-15'
                }
            },
            'background_checks': {
                'completed': True,
                'date': '2023-06-01',
                'results': 'passed'
            },
            'data_processing_agreement': {
                'signed': True,
                'date': '2023-06-15',
                'version': '2.1'
            },
            'issues': []
        }

        # Mock payment history
        payment_history = {
            'total_invoices': 156,
            'total_paid': 545000,
            'outstanding': 0,
            'payment_statistics': {
                'avg_payment_time_days': 28,
                'on_time_payment_rate': 0.94,
                'early_payment_rate': 0.12,
                'late_payment_rate': 0.06,
                'disputes': 2,
                'credits_issued': 3450
            },
            'recent_invoices': [
                {
                    'invoice_id': 'INV-CH-2025-11',
                    'date': '2025-11-01',
                    'amount': 20000,
                    'due_date': '2025-12-01',
                    'paid_date': None,
                    'status': 'pending'
                },
                {
                    'invoice_id': 'INV-CH-2025-10',
                    'date': '2025-10-01',
                    'amount': 20000,
                    'due_date': '2025-10-31',
                    'paid_date': '2025-10-28',
                    'status': 'paid',
                    'days_to_pay': 27
                }
            ]
        }

        # Mock risk assessment
        risk_assessment = {
            'overall_risk_level': 'low',
            'risk_score': 23,  # 0-100, lower is better
            'risk_factors': [
                {
                    'category': 'financial',
                    'risk': 'low',
                    'score': 15,
                    'details': 'Strong financials, stable revenue'
                },
                {
                    'category': 'operational',
                    'risk': 'low',
                    'score': 20,
                    'details': 'Reliable service delivery, good track record'
                },
                {
                    'category': 'strategic',
                    'risk': 'low',
                    'score': 25,
                    'details': 'Long-term partnership, aligned goals'
                },
                {
                    'category': 'compliance',
                    'risk': 'very_low',
                    'score': 10,
                    'details': 'All certifications current, no violations'
                },
                {
                    'category': 'concentration',
                    'risk': 'medium',
                    'score': 45,
                    'details': 'Single vendor for critical infrastructure'
                }
            ],
            'mitigation_strategies': [
                'Maintain backup vendor relationship',
                'Regular performance reviews',
                'Diversify service providers'
            ]
        }

        # Mock vendor analytics
        analytics = {
            'total_vendors': 45,
            'active_vendors': 38,
            'strategic_vendors': 5,
            'preferred_vendors': 12,
            'standard_vendors': 21,
            'vendors_under_review': 3,
            'total_annual_spend': 1245000,
            'spend_by_category': {
                'cloud_infrastructure': 240000,
                'software_licenses': 385000,
                'professional_services': 420000,
                'office_supplies': 18000,
                'other': 182000
            },
            'avg_vendor_score': 84.5,
            'vendors_below_threshold': 4,
            'contracts_expiring_90_days': 7,
            'renewal_decisions_pending': 3
        }

        return {
            'status': 'success',
            'operation': operation,
            'vendors': vendors,
            'vendor_count': len(vendors),
            'performance_metrics': performance_metrics,
            'sla_performance': sla_performance,
            'compliance': compliance,
            'payment_history': payment_history,
            'risk_assessment': risk_assessment,
            'analytics': analytics,
            'upcoming_actions': [
                {
                    'vendor': 'VEN-002',
                    'action': 'renewal_decision',
                    'deadline': '2025-12-10',
                    'priority': 'high'
                },
                {
                    'vendor': 'VEN-001',
                    'action': 'quarterly_review',
                    'deadline': '2025-12-31',
                    'priority': 'medium'
                },
                {
                    'vendor': 'VEN-003',
                    'action': 'performance_improvement_plan',
                    'deadline': '2025-11-30',
                    'priority': 'high'
                }
            ],
            'contract_renewals': [
                {
                    'vendor': 'SecureAuth Inc',
                    'contract_end': '2025-01-09',
                    'days_until_expiry': 54,
                    'status': 'under_review',
                    'recommendation': 'Renew with price negotiation'
                }
            ],
            'recommendations': [
                'VEN-001 (CloudHost) performing excellently - consider expanding services',
                'VEN-002 (SecureAuth) contract expiring in 54 days - initiate renewal discussion',
                'VEN-003 (Office Supplies) performance below threshold - implement improvement plan',
                'Diversify cloud infrastructure to reduce concentration risk',
                'Negotiate volume discount with CloudHost based on strong performance',
                'Review late delivery issues with Office Supplies Plus',
                'Update vendor compliance audit schedule',
                'Consider consolidating office supply vendors for better pricing'
            ],
            'next_steps': [
                'Schedule renewal negotiation with SecureAuth',
                'Conduct performance review meeting with Office Supplies Plus',
                'Request updated certificates from all vendors',
                'Process pending invoice payments',
                'Update vendor scorecard for Q4',
                'Prepare quarterly vendor report for executive team',
                'Evaluate alternative vendors for diversification'
            ]
        }

    def validate_params(self, params: Dict[str, Any]) -> bool:
        """Validate vendor management parameters."""
        valid_operations = [
            'onboard', 'evaluate', 'track_performance', 'renew', 'terminate'
        ]

        operation = params.get('operation')
        if operation and operation not in valid_operations:
            self.logger.error(f"Invalid operation: {operation}")
            return False

        return True
