from pydantic import BaseModel
from typing import List, Optional, Dict, Any
from enum import Enum


class APIType(str, Enum):
    OPENAI = "openai"
    GEMINI = "gemini"
    CLAUDE = "claude"


class Message(BaseModel):
    role: str  # "user", "assistant", "system"
    content: str
    timestamp: Optional[str] = None


class ChatRequest(BaseModel):
    message: str
    api_type: APIType = APIType.CLAUDE
    model: Optional[str] = None  # 특정 모델 선택
    system_prompt: Optional[str] = None
    character_name: Optional[str] = None
    session_id: Optional[str] = None
    conversation_history: Optional[List[Message]] = None
    temperature: float = 0.7
    max_tokens: Optional[int] = None


class ChatResponse(BaseModel):
    response: str
    api_type: APIType
    character_name: str
    timestamp: str
    usage: Optional[Dict[str, Any]] = None


class CharacterConfig(BaseModel):
    name: str
    system_prompt: str
    api_type: APIType = APIType.OPENAI
    temperature: float = 0.7
    max_tokens: Optional[int] = None