from pydantic import BaseModel
from typing import Optional

class ChatRequest(BaseModel):
    message: str
    session_id: str
    persona_id: Optional[str] = "default"

class ChatResponse(BaseModel):
    reply: str
    session_id: str
    image_prompt: Optional[str] = None

class PersonaCreate(BaseModel):
    persona_id: str
    name: str
    emoji: str = "🤖"
    description: str = ""
    prompt: str
    sd_enabled: bool = False
    lora_name: str = ""
    lora_weight: float = 0.8
    appearance_tags: str = ""

class PersonaResponse(BaseModel):
    persona_id: str
    name: str
    emoji: str
    description: str
    prompt: str
    custom: bool = False
    sd_enabled: bool = False
    lora_name: str = ""
    lora_weight: float = 0.8
    appearance_tags: str = ""