"""
Incident Responder Agent

Responds to security incidents using automated playbooks, coordination,
and remediation actions following industry-standard incident response frameworks.
"""

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


class IncidentResponderAgent(BaseAgent):
    """
    Security incident response agent.

    Handles:
    - Incident detection and triage
    - Automated response playbooks
    - Containment and eradication
    - Evidence collection
    - Communication and coordination
    - Post-incident analysis
    """

    def __init__(self):
        super().__init__(
            name='incident-responder',
            description='Respond to security incidents',
            category='security',
            version='1.0.0',
            tags=['incident', 'response', 'soc', 'remediation', 'playbook', 'security']
        )

    async def execute(self, params: Dict[str, Any]) -> Dict[str, Any]:
        """
        Respond to security incidents.

        Args:
            params: {
                'action': 'detect|triage|contain|eradicate|recover|report',
                'incident': {
                    'id': str,
                    'type': str,
                    'severity': 'critical|high|medium|low',
                    'affected_systems': List[str],
                    'description': str
                },
                'response_options': {
                    'auto_contain': bool,
                    'isolate_systems': bool,
                    'collect_evidence': bool,
                    'notify_stakeholders': bool,
                    'execute_playbook': str
                },
                'playbook_id': str,
                'notification_channels': List[str]
            }

        Returns:
            {
                'status': 'success|failed',
                'incident_id': str,
                'response_actions': List[Dict],
                'containment_status': str,
                'impact_assessment': Dict
            }
        """
        action = params.get('action', 'detect')
        incident = params.get('incident', {})
        response_options = params.get('response_options', {})
        playbook_id = params.get('playbook_id')

        incident_id = incident.get('id', 'INC-20251116-001')
        incident_type = incident.get('type', 'ransomware')
        severity = incident.get('severity', 'critical')

        self.logger.info(
            f"Incident response - action: {action}, incident: {incident_id}, type: {incident_type}"
        )

        response_actions = [
            {
                'timestamp': '2025-11-16T10:15:00Z',
                'phase': 'Detection',
                'action': 'Incident Detected',
                'details': f'{incident_type.capitalize()} activity detected on production systems',
                'status': 'completed',
                'automated': True
            },
            {
                'timestamp': '2025-11-16T10:16:00Z',
                'phase': 'Triage',
                'action': 'Severity Assessment',
                'details': f'Incident classified as {severity} severity',
                'status': 'completed',
                'automated': True
            },
            {
                'timestamp': '2025-11-16T10:17:00Z',
                'phase': 'Notification',
                'action': 'Alert Sent',
                'details': 'Security team, IT management, and CISO notified',
                'status': 'completed',
                'automated': True,
                'recipients': ['soc@company.com', 'ciso@company.com']
            },
            {
                'timestamp': '2025-11-16T10:18:00Z',
                'phase': 'Containment',
                'action': 'Network Isolation',
                'details': 'Isolated 3 affected systems from network',
                'systems_isolated': ['web-server-01', 'file-server-02', 'workstation-45'],
                'status': 'completed',
                'automated': response_options.get('auto_contain', True)
            },
            {
                'timestamp': '2025-11-16T10:20:00Z',
                'phase': 'Containment',
                'action': 'Account Lockout',
                'details': 'Disabled compromised user accounts',
                'accounts_locked': ['john.doe', 'temp.service'],
                'status': 'completed',
                'automated': True
            },
            {
                'timestamp': '2025-11-16T10:22:00Z',
                'phase': 'Evidence Collection',
                'action': 'Forensic Image Created',
                'details': 'Memory and disk images captured from affected systems',
                'evidence_collected': [
                    'memory_dump_web-server-01.mem',
                    'disk_image_file-server-02.dd',
                    'network_capture_10.0.1.0-24.pcap'
                ],
                'status': 'completed',
                'automated': response_options.get('collect_evidence', True)
            },
            {
                'timestamp': '2025-11-16T10:30:00Z',
                'phase': 'Eradication',
                'action': 'Malware Removal',
                'details': 'Ransomware binaries removed from systems',
                'status': 'in_progress',
                'automated': False
            },
            {
                'timestamp': '2025-11-16T11:00:00Z',
                'phase': 'Recovery',
                'action': 'System Restoration',
                'details': 'Restoring systems from clean backups',
                'status': 'pending',
                'automated': False
            }
        ]

        impact_assessment = {
            'affected_systems': 3,
            'affected_users': 47,
            'data_compromised': False,
            'data_exfiltrated': False,
            'files_encrypted': 1247,
            'estimated_downtime_hours': 4,
            'business_impact': 'high',
            'financial_impact_estimate': '$125,000',
            'reputation_impact': 'medium',
            'regulatory_impact': 'Requires breach notification assessment',
            'services_affected': ['Web Application', 'File Sharing', 'Email']
        }

        containment_status = {
            'status': 'contained',
            'systems_isolated': 3,
            'network_segments_quarantined': 1,
            'accounts_disabled': 2,
            'firewall_rules_added': 15,
            'threat_indicators_blocked': 47,
            'containment_time_minutes': 15
        }

        eradication_status = {
            'malware_removed': True,
            'vulnerabilities_patched': 2,
            'backdoors_closed': 1,
            'credentials_reset': 47,
            'systems_rebuilt': 0,
            'eradication_progress': 75
        }

        recovery_status = {
            'systems_recovered': 0,
            'systems_pending_recovery': 3,
            'backup_restoration_started': True,
            'services_restored': [],
            'services_pending': ['Web Application', 'File Sharing'],
            'estimated_full_recovery': '2025-11-16T16:00:00Z'
        }

        timeline = [
            {
                'time': '2025-11-16T10:15:00Z',
                'event': 'Initial Detection',
                'description': 'Ransomware activity detected by EDR'
            },
            {
                'time': '2025-11-16T10:16:00Z',
                'event': 'Automated Response Initiated',
                'description': 'Incident response playbook activated'
            },
            {
                'time': '2025-11-16T10:17:00Z',
                'event': 'Team Notified',
                'description': 'Security team and management alerted'
            },
            {
                'time': '2025-11-16T10:18:00Z',
                'event': 'Containment Started',
                'description': 'Systems isolated from network'
            },
            {
                'time': '2025-11-16T10:23:00Z',
                'event': 'Containment Achieved',
                'description': 'Threat contained, no further spread'
            },
            {
                'time': '2025-11-16T10:30:00Z',
                'event': 'Eradication Started',
                'description': 'Malware removal and system cleaning initiated'
            }
        ]

        return {
            'status': 'success',
            'incident_id': incident_id,
            'incident_type': incident_type,
            'severity': severity,
            'action': action,
            'timestamp': '2025-11-16T00:00:00Z',
            'incident_status': 'contained',
            'response_actions': response_actions,
            'total_actions_taken': len(response_actions),
            'automated_actions': sum(1 for a in response_actions if a.get('automated')),
            'manual_actions': sum(1 for a in response_actions if not a.get('automated')),
            'containment_status': containment_status,
            'eradication_status': eradication_status,
            'recovery_status': recovery_status,
            'impact_assessment': impact_assessment,
            'timeline': timeline,
            'time_to_detect': '2 minutes',
            'time_to_triage': '1 minute',
            'time_to_contain': '8 minutes',
            'total_response_time': '11 minutes',
            'playbook_executed': playbook_id or 'ransomware-response-v2.1',
            'playbook_completion': 75,
            'evidence_collected': {
                'memory_dumps': 1,
                'disk_images': 1,
                'network_captures': 1,
                'log_files': 47,
                'malware_samples': 3,
                'evidence_chain_of_custody': True
            },
            'communication_log': [
                {
                    'timestamp': '2025-11-16T10:17:00Z',
                    'channel': 'Email',
                    'recipients': ['soc@company.com', 'ciso@company.com'],
                    'message': 'Critical security incident - Ransomware detected'
                },
                {
                    'timestamp': '2025-11-16T10:20:00Z',
                    'channel': 'Slack',
                    'recipients': ['#incident-response'],
                    'message': 'Containment in progress - systems isolated'
                },
                {
                    'timestamp': '2025-11-16T10:30:00Z',
                    'channel': 'Phone',
                    'recipients': ['CISO', 'CTO'],
                    'message': 'Incident update - threat contained'
                }
            ],
            'recommendations': [
                'Continue eradication process',
                'Complete system restoration from backups',
                'Conduct root cause analysis',
                'Review and update incident response playbook',
                'Implement additional preventive controls',
                'Schedule post-incident review meeting',
                'Update threat intelligence feeds',
                'Conduct lessons learned session'
            ],
            'next_steps': [
                'Complete malware eradication',
                'Restore systems from clean backups',
                'Verify system integrity',
                'Resume normal operations',
                'Conduct post-incident analysis',
                'Update security controls',
                'File incident report',
                'Assess breach notification requirements'
            ],
            'reports_generated': [
                f'incident_response_{incident_id}.pdf',
                f'incident_timeline_{incident_id}.json',
                f'impact_assessment_{incident_id}.html',
                f'evidence_log_{incident_id}.csv'
            ]
        }

    def validate_params(self, params: Dict[str, Any]) -> bool:
        """Validate incident response parameters."""
        valid_actions = ['detect', 'triage', 'contain', 'eradicate', 'recover', 'report']
        action = params.get('action', 'detect')
        if action not in valid_actions:
            self.logger.error(f"Invalid action: {action}")
            return False

        if 'incident' in params:
            valid_severities = ['critical', 'high', 'medium', 'low']
            severity = params['incident'].get('severity', 'medium')
            if severity not in valid_severities:
                self.logger.error(f"Invalid severity: {severity}")
                return False

        return True
