"""
Pydantic Models for CMDB - system/ipv6_tunnel

Runtime validation models for system/ipv6_tunnel configuration.
Generated from FortiOS schema version unknown.

Example Usage:
    >>> from hfortix_fortios.models.cmdb.system.ipv6_tunnel import 
    >>>
    >>> # Create with validation
    >>> obj = (
    ...     name=1,
    ...     name="example",
    ... )
    >>>
    >>> # Validation happens automatically
    >>> # ValidationError raised if constraints violated
"""

from __future__ import annotations

from pydantic import BaseModel, Field, field_validator
from typing import Any, Literal, Optional

# ============================================================================
# Enum Definitions (for fields with 4+ allowed values)
# ============================================================================


# ============================================================================
# Main Model
# ============================================================================

class Ipv6TunnelModel(BaseModel):
    """
    Pydantic model for system/ipv6_tunnel configuration.
    
    Configure IPv6/IPv4 in IPv6 tunnel.
    
    Validation Rules:        - name: max_length=15 pattern=        - source: pattern=        - destination: pattern=        - interface: max_length=15 pattern=        - use_sdwan: pattern=        - auto_asic_offload: pattern=    """
    
    class Config:
        """Pydantic model configuration."""
        extra = "allow"  # Allow additional fields from API
        str_strip_whitespace = True
        validate_assignment = True  # Validate on attribute assignment
        use_enum_values = True  # Use enum values instead of names
    
    # ========================================================================
    # Model Fields
    # ========================================================================
    
    name: str | None = Field(max_length=15, default="", description="IPv6 tunnel name.")    
    source: str | None = Field(default="::", description="Local IPv6 address of the tunnel.")    
    destination: str = Field(default="::", description="Remote IPv6 address of the tunnel.")    
    interface: str | None = Field(max_length=15, default="", description="Interface name.")  # datasource: ['system.interface.name']    
    use_sdwan: Literal["disable", "enable"] | None = Field(default="disable", description="Enable/disable use of SD-WAN to reach remote gateway.")    
    auto_asic_offload: Literal["enable", "disable"] | None = Field(default="enable", description="Enable/disable tunnel ASIC offloading.")    
    # ========================================================================
    # Custom Validators
    # ========================================================================
    
    @field_validator('interface')
    @classmethod
    def validate_interface(cls, v: Any) -> Any:
        """
        Validate interface field.
        
        Datasource: ['system.interface.name']
        
        Note:
            This validator only checks basic constraints.
            To validate that referenced object exists, query the API.
        """
        # Basic validation passed via Field() constraints
        # Additional datasource validation could be added here
        return v    
    # ========================================================================
    # Helper Methods
    # ========================================================================
    
    def to_fortios_dict(self) -> dict[str, Any]:
        """
        Convert model to FortiOS API payload format.
        
        Returns:
            Dict suitable for POST/PUT operations
        """
        # Export with exclude_none to avoid sending null values
        return self.model_dump(exclude_none=True, by_alias=True)
    
    @classmethod
    def from_fortios_response(cls, data: dict[str, Any]) -> "":
        """
        Create model instance from FortiOS API response.
        
        Args:
            data: Response data from API
            
        Returns:
            Validated model instance
        """
        return cls(**data)
    # ========================================================================
    # Datasource Validation Methods
    # ========================================================================    
    async def validate_interface_references(self, client: Any) -> list[str]:
        """
        Validate interface references exist in FortiGate.
        
        This method checks if referenced objects exist by calling exists() on
        the appropriate API endpoints. This is an OPTIONAL validation step that
        can be called before posting to the API to catch reference errors early.
        
        Datasource endpoints checked:
        - system/interface        
        Args:
            client: FortiOS client instance (from fgt._client)
            
        Returns:
            List of validation error messages (empty if all valid)
            
        Example:
            >>> from hfortix_fortios import FortiOS
            >>> 
            >>> fgt = FortiOS(host="192.168.1.1", token="your-token")
            >>> policy = Ipv6TunnelModel(
            ...     interface="invalid-name",
            ... )
            >>> 
            >>> # Validate before posting
            >>> errors = await policy.validate_interface_references(fgt._client)
            >>> if errors:
            ...     print("Validation failed:", errors)
            ... else:
            ...     result = await fgt.api.cmdb.system.ipv6_tunnel.post(policy.to_fortios_dict())
        """
        errors = []
        
        # Validate scalar field
        value = getattr(self, "interface", None)
        if not value:
            return errors
        
        # Check all datasource endpoints
        found = False
        if await client.api.cmdb.system.interface.exists(value):
            found = True
        
        if not found:
            errors.append(
                f"Interface '{value}' not found in "
                "system/interface"
            )        
        return errors    
    async def validate_all_references(self, client: Any) -> list[str]:
        """
        Validate ALL datasource references in this model.
        
        Convenience method that runs all validate_*_references() methods
        and aggregates the results.
        
        Args:
            client: FortiOS client instance (from fgt._client)
            
        Returns:
            List of all validation errors found
            
        Example:
            >>> errors = await policy.validate_all_references(fgt._client)
            >>> if errors:
            ...     for error in errors:
            ...         print(f"  - {error}")
        """
        all_errors = []
        
        errors = await self.validate_interface_references(client)
        all_errors.extend(errors)        
        return all_errors

# ============================================================================
# Type Aliases for Convenience
# ============================================================================

Dict = dict[str, Any]  # For backward compatibility

# ============================================================================
# Module Exports
# ============================================================================

__all__ = [
    "Ipv6TunnelModel",]


# ============================================================================
# Generated by hfortix generator v0.6.0
# Schema: 1.7.0
# Generated: 2026-01-07T08:39:55.903332Z
# ============================================================================