"""
Email Automator Agent

Automates email workflows including campaigns, drip sequences,
transactional emails, and personalization.
"""

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


class EmailAutomatorAgent(BaseAgent):
    """
    Automates email marketing and communication workflows.

    Features:
    - Campaign automation
    - Drip sequences
    - Transactional emails
    - A/B testing
    - Personalization
    - Analytics tracking
    """

    def __init__(self):
        super().__init__(
            name='email-automator',
            description='Automate email workflows and campaigns',
            category='business',
            version='1.0.0',
            tags=['email', 'automation', 'marketing', 'campaigns', 'personalization']
        )

    async def execute(self, params: Dict[str, Any]) -> Dict[str, Any]:
        """
        Execute email automation workflows.

        Args:
            params: {
                'workflow_type': 'campaign|drip|transactional|nurture|reengagement',
                'recipient_segment': str,
                'template_id': str,
                'trigger': 'manual|scheduled|event|behavior',
                'options': {
                    'personalization': bool,
                    'ab_test': bool,
                    'send_time_optimization': bool,
                    'track_analytics': bool
                }
            }

        Returns:
            {
                'status': 'success|failed',
                'workflow_id': str,
                'emails_scheduled': int,
                'performance_metrics': Dict,
                'recommendations': List[str]
            }
        """
        workflow_type = params.get('workflow_type', 'campaign')
        recipient_segment = params.get('recipient_segment', 'all')
        trigger = params.get('trigger', 'manual')
        options = params.get('options', {})

        self.logger.info(
            f"Setting up {workflow_type} email workflow for {recipient_segment}"
        )

        # Mock email workflows
        workflows = [
            {
                'id': 'WF-001',
                'name': 'Welcome Series',
                'type': 'drip',
                'status': 'active',
                'trigger': 'signup',
                'emails_in_sequence': 5,
                'total_recipients': 2456,
                'active_subscribers': 1834,
                'emails': [
                    {
                        'sequence': 1,
                        'subject': 'Welcome to [Company]! Here\'s what to expect',
                        'delay': '0 hours',
                        'open_rate': 0.68,
                        'click_rate': 0.34,
                        'conversion_rate': 0.12
                    },
                    {
                        'sequence': 2,
                        'subject': 'Get started with these 3 simple steps',
                        'delay': '24 hours',
                        'open_rate': 0.54,
                        'click_rate': 0.28,
                        'conversion_rate': 0.18
                    },
                    {
                        'sequence': 3,
                        'subject': 'Success story: How [Customer] achieved results',
                        'delay': '3 days',
                        'open_rate': 0.48,
                        'click_rate': 0.22,
                        'conversion_rate': 0.15
                    },
                    {
                        'sequence': 4,
                        'subject': 'Exclusive offer for new members',
                        'delay': '7 days',
                        'open_rate': 0.52,
                        'click_rate': 0.31,
                        'conversion_rate': 0.24
                    },
                    {
                        'sequence': 5,
                        'subject': 'Any questions? We\'re here to help',
                        'delay': '14 days',
                        'open_rate': 0.42,
                        'click_rate': 0.19,
                        'conversion_rate': 0.08
                    }
                ],
                'performance': {
                    'overall_conversion_rate': 0.154,
                    'unsubscribe_rate': 0.018,
                    'completion_rate': 0.74
                }
            },
            {
                'id': 'WF-002',
                'name': 'Monthly Newsletter',
                'type': 'campaign',
                'status': 'active',
                'trigger': 'scheduled',
                'schedule': 'First Monday of each month, 10:00 AM',
                'total_recipients': 8934,
                'last_sent': '2025-11-04',
                'performance': {
                    'sent': 8934,
                    'delivered': 8756,
                    'opened': 3502,
                    'clicked': 876,
                    'bounced': 178,
                    'unsubscribed': 23,
                    'open_rate': 0.40,
                    'click_rate': 0.10,
                    'click_to_open_rate': 0.25,
                    'bounce_rate': 0.02,
                    'unsubscribe_rate': 0.003
                },
                'ab_test': {
                    'active': True,
                    'variants': {
                        'A': {
                            'subject': 'November Updates & Insights',
                            'open_rate': 0.38,
                            'click_rate': 0.09
                        },
                        'B': {
                            'subject': 'Your Monthly Digest is Here',
                            'open_rate': 0.42,
                            'click_rate': 0.11
                        }
                    },
                    'winner': 'B'
                }
            },
            {
                'id': 'WF-003',
                'name': 'Cart Abandonment',
                'type': 'transactional',
                'status': 'active',
                'trigger': 'cart_abandoned',
                'delay_sequence': ['1 hour', '24 hours', '3 days'],
                'total_triggered': 1245,
                'emails_sent': 3156,
                'performance': {
                    'email_1_sent': 1245,
                    'email_1_open_rate': 0.52,
                    'email_1_recovery_rate': 0.18,
                    'email_2_sent': 1021,
                    'email_2_open_rate': 0.45,
                    'email_2_recovery_rate': 0.12,
                    'email_3_sent': 890,
                    'email_3_open_rate': 0.38,
                    'email_3_recovery_rate': 0.08,
                    'total_recovered_revenue': '$45,230',
                    'avg_cart_value': '$89.50'
                }
            },
            {
                'id': 'WF-004',
                'name': 'Re-engagement Campaign',
                'type': 'reengagement',
                'status': 'active',
                'trigger': '90_days_inactive',
                'total_recipients': 456,
                'performance': {
                    'sent': 456,
                    'opened': 134,
                    'clicked': 45,
                    'reactivated': 23,
                    'unsubscribed': 67,
                    'open_rate': 0.29,
                    'click_rate': 0.10,
                    'reactivation_rate': 0.05,
                    'unsubscribe_rate': 0.15
                }
            }
        ]

        # Mock personalization data
        personalization = {
            'variables_available': [
                'first_name', 'last_name', 'company', 'industry',
                'last_purchase_date', 'favorite_product', 'loyalty_tier',
                'account_age_days', 'location'
            ],
            'dynamic_content_blocks': [
                'product_recommendations',
                'industry_specific_case_studies',
                'location_based_events',
                'behavior_triggered_offers'
            ],
            'personalization_impact': {
                'open_rate_lift': '+15%',
                'click_rate_lift': '+23%',
                'conversion_rate_lift': '+31%'
            }
        }

        # Mock send time optimization
        send_time_optimization = {
            'enabled': options.get('send_time_optimization', False),
            'optimal_send_times': {
                'monday': '10:00 AM',
                'tuesday': '9:00 AM',
                'wednesday': '2:00 PM',
                'thursday': '10:00 AM',
                'friday': '11:00 AM'
            },
            'time_zone_delivery': True,
            'engagement_lift': '+18%'
        }

        # Mock analytics
        analytics = {
            'total_emails_sent_30days': 45678,
            'total_delivered': 44234,
            'total_opened': 17294,
            'total_clicked': 5234,
            'overall_open_rate': 0.391,
            'overall_click_rate': 0.118,
            'overall_ctr': 0.302,
            'bounce_rate': 0.032,
            'unsubscribe_rate': 0.004,
            'spam_complaint_rate': 0.0008,
            'top_performing_emails': [
                {
                    'subject': 'Exclusive: 50% Off Your Favorite Items',
                    'open_rate': 0.68,
                    'click_rate': 0.34,
                    'revenue_generated': '$23,450'
                },
                {
                    'subject': 'Your personalized recommendations are ready',
                    'open_rate': 0.62,
                    'click_rate': 0.29,
                    'revenue_generated': '$18,920'
                }
            ],
            'device_breakdown': {
                'mobile': 0.58,
                'desktop': 0.35,
                'tablet': 0.07
            },
            'email_client_breakdown': {
                'gmail': 0.42,
                'apple_mail': 0.28,
                'outlook': 0.18,
                'other': 0.12
            }
        }

        return {
            'status': 'success',
            'workflow_type': workflow_type,
            'workflow_id': 'WF-NEW-001',
            'workflows': workflows,
            'total_active_workflows': len(workflows),
            'emails_scheduled': 2456,
            'estimated_send_time': '2025-11-17 10:00:00',
            'personalization': personalization,
            'send_time_optimization': send_time_optimization,
            'analytics': analytics,
            'ab_testing': {
                'enabled': options.get('ab_test', False),
                'test_type': 'subject_line',
                'sample_size': 0.20,
                'winning_criteria': 'open_rate',
                'auto_select_winner': True
            },
            'deliverability_health': {
                'sender_reputation': 'Excellent',
                'ip_reputation_score': 98,
                'domain_authentication': {
                    'spf': 'Pass',
                    'dkim': 'Pass',
                    'dmarc': 'Pass'
                },
                'list_hygiene_score': 94,
                'engagement_score': 87
            },
            'recommendations': [
                'Variant B outperforming in newsletter - use similar subject lines',
                'Cart abandonment recovery rate is strong - consider 4th email',
                'Re-engagement campaign has high unsubscribe rate - review targeting',
                'Mobile opens at 58% - ensure mobile-first design',
                'Implement sunset policy for 180+ day inactive subscribers',
                'Test sending newsletters on Tuesday at 9 AM for better open rates',
                'Add product recommendations to transactional emails'
            ],
            'next_steps': [
                'Review and optimize underperforming workflows',
                'Set up additional A/B tests for subject lines',
                'Segment audience further for better personalization',
                'Clean email list - remove hard bounces',
                'Create new nurture sequence for trial users',
                'Monitor deliverability metrics weekly'
            ]
        }

    def validate_params(self, params: Dict[str, Any]) -> bool:
        """Validate email automation parameters."""
        valid_workflow_types = [
            'campaign', 'drip', 'transactional', 'nurture', 'reengagement'
        ]
        valid_triggers = ['manual', 'scheduled', 'event', 'behavior']

        workflow_type = params.get('workflow_type')
        if workflow_type and workflow_type not in valid_workflow_types:
            self.logger.error(f"Invalid workflow type: {workflow_type}")
            return False

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

        return True
