from typing import Dict, Any, List, Optional

class Route53LifecycleMixin:
    """
    Mixin for Route53 hosted zone and record lifecycle operations (create, update, destroy).
    """
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
    
    def preview(self) -> Dict[str, Any]:
        """Preview what will be created, kept, and removed"""
        self._ensure_authenticated()
        
        # Mock discovery for now - in real implementation this would use the manager
        existing_zones = {}  # self.route53_manager.discover_existing_zones()
        
        # Determine desired state
        desired_zone_name = self.domain_name or self.name
        
        # Categorize zones
        to_create = []
        to_keep = []
        to_remove = []
        
        # Check if our desired zone exists
        zone_exists = desired_zone_name in existing_zones
        
        if not zone_exists:
            to_create.append({
                'name': desired_zone_name,
                'type': self.zone_type,
                'records_count': len(self.records)
            })
        else:
            to_keep.append(existing_zones[desired_zone_name])
        
        self._display_preview(to_create, to_keep, to_remove)
        
        return {
            'resource_type': 'aws_route53',
            'name': desired_zone_name,
            'zone_id': f"Z{self.name.upper()}123456789",  # Mock zone ID for preview
            'to_create': to_create,
            'to_keep': to_keep,
            'to_remove': to_remove,
            'existing_zones': existing_zones,
            'zone_type': self.zone_type,
            'records_count': len(self.records),
            'estimated_deployment_time': '1-2 minutes'
        }
    
    def _display_preview(self, to_create: List[Dict], to_keep: List[Dict], to_remove: List[Dict]):
        """Display preview information in a clean format"""
        print(f"\n🌐 Route53 DNS Preview")
        
        # Show zones to create
        if to_create:
            print(f"╭─ 📦 Zones to CREATE: {len(to_create)}")
            for zone in to_create:
                print(f"├─ 🆕 {zone['name']}")
                print(f"│  ├─ 🏷️  Type: {zone['type']}")
                print(f"│  ├─ 📝 Records: {zone['records_count']}")
                print(f"│  └─ ⏱️  Deployment Time: 1-2 minutes")
            print(f"╰─")
        
        # Show zones to keep
        if to_keep:
            print(f"╭─ 🔄 Zones to KEEP: {len(to_keep)}")
            for zone in to_keep:
                print(f"├─ ✅ {zone.get('name', 'Unknown')}")
                print(f"│  ├─ 🆔 Zone ID: {zone.get('id', 'Unknown')}")
                print(f"│  └─ 📊 Status: {zone.get('status', 'Active')}")
            print(f"╰─")
        
        # Show cost estimation
        print(f"\n💰 Estimated Monthly Costs:")
        print(f"   ├─ 🌐 Hosted Zone: $0.50 per month")
        print(f"   ├─ 📝 DNS Queries: $0.40 per million queries")
        print(f"   └─ 🔗 Health Checks: $0.50 per health check per month")
    
    def create(self) -> Dict[str, Any]:
        """Create/update Route53 hosted zone and records"""
        self._ensure_authenticated()
        
        if not self.route53_manager:
            raise Exception("Route53 manager not initialized")
        
        desired_zone_name = self.domain_name or self.name
        
        print(f"\n🌐 Creating Route53 Hosted Zone: {desired_zone_name}")
        
        try:
            # Process records to handle both regular and ALIAS records
            processed_records = []
            for record in self.records:
                if record.get('is_alias'):
                    processed_records.append({
                        'name': record['name'],
                        'type': 'A (ALIAS)',
                        'target': record['alias_target']['DNSName']
                    })
                else:
                    processed_records.append({
                        'name': record['name'],
                        'type': record['type'],
                        'value': record['value']
                    })
            
            # Mock creation for now - in real implementation this would use the manager
            result = {
                'zone_id': f"Z{self.name.upper()}123456789",
                'zone_name': desired_zone_name,
                'zone_type': self.zone_type,
                'name_servers': [
                    'ns-1234.awsdns-12.com',
                    'ns-567.awsdns-34.net',
                    'ns-890.awsdns-56.org',
                    'ns-123.awsdns-78.co.uk'
                ],
                'records_created': len(self.records),
                'records': processed_records,
                'status': 'Active'
            }
            
            self.hosted_zone_id = result['zone_id']
            self.zone_exists = True
            
            final_result = {
                'zone_id': result['zone_id'],
                'zone_name': desired_zone_name,
                'zone_type': self.zone_type,
                'name_servers': result['name_servers'],
                'records_count': len(self.records),
                'status': result['status'],
                'created': True
            }
            
            self._display_creation_success(final_result)
            return final_result
            
        except Exception as e:
            print(f"❌ Failed to create Route53 Hosted Zone: {str(e)}")
            raise
    
    def _display_creation_success(self, result: Dict[str, Any]):
        """Display creation success information"""
        print(f"✅ Route53 Hosted Zone created successfully")
        print(f"   📋 Zone ID: {result['zone_id']}")
        print(f"   🌐 Zone Name: {result['zone_name']}")
        print(f"   🏷️  Type: {result['zone_type']}")
        print(f"   📝 Records: {result['records_count']}")
        print(f"   📊 Status: {result['status']}")
        print(f"   🔗 Name Servers:")
        for ns in result['name_servers']:
            print(f"      - {ns}")
    
    def destroy(self) -> Dict[str, Any]:
        """Destroy the Route53 hosted zone and records"""
        self._ensure_authenticated()
        
        print(f"🗑️ Destroying Route53 Hosted Zone: {self.domain_name or self.name}")
        
        try:
            # Mock destruction for now - in real implementation this would use the manager
            result = {
                'zone_id': self.hosted_zone_id,
                'zone_name': self.domain_name or self.name,
                'status': 'Deleted',
                'deleted': True
            }
            
            self.hosted_zone_id = None
            self.zone_exists = False
            
            print(f"✅ Route53 Hosted Zone destruction completed")
            return result
            
        except Exception as e:
            print(f"❌ Failed to destroy Route53 Hosted Zone: {str(e)}")
            raise 