# -*- coding: utf-8 -*-

from fastapi import APIRouter
from fastapi.responses import JSONResponse, StreamingResponse
from digitalHuman.utils import config
from digitalHuman.agent import AgentPool
from digitalHuman.server.reponse import Response, streamInteralError
from digitalHuman.server.header import HeaderInfo
from digitalHuman.server.models import *
from digitalHuman.server.core.api_agent_v0_impl import *

router = APIRouter(prefix="/agent/v0")
agentPool = AgentPool()


# ========================= 获取agent支持列表 ===========================
@router.get("/engine", response_model=EngineListResp, summary="Get Agent Engine List")
def api_get_agent_list():
    """
    获取agent支持引擎列表
    """
    response = Response()
    try:
        response.data = get_agent_list()
    except Exception as e:
        response.data = []
        response.error(str(e))
    return JSONResponse(content=response.validate(EngineListResp), status_code=200)

# ========================= 获取agent默认引擎 ===========================
@router.get("/engine/default", response_model=EngineDefaultResp, summary="Get Default Agent Engine")
def api_get_agent_default():
    """
    获取默认agent引擎
    """
    response = Response()
    try:
        response.data = get_agent_default()
    except Exception as e:
        response.data = ""
        response.error(str(e))
    return JSONResponse(content=response.validate(EngineDefaultResp), status_code=200)


# ========================= 获取agent引擎参数列表 ===========================
@router.get("/engine/{engine}", response_model=EngineParam, summary="Get Agent Engine Param")
def api_get_agent_param(engine: str):
    """
    获取agent引擎配置参数列表
    """
    response = Response()
    try:
        response.data = get_agent_param(engine)
    except Exception as e:
        response.data = []
        response.error(str(e))
    return JSONResponse(content=response.validate(EngineParam), status_code=200)

# ========================= 创建agent会话 ===========================
@router.post("/engine/{engine}", response_model=ConversationIdResp, summary="Create Agent Conversation")
async def api_create_agent_conversation(engine: str, item: ConversationInput):
    """
    创建agent会话
    """
    response = Response()
    try: 
        response.data = await create_agent_conversation(engine, item.data)
    except Exception as e:
        response.data = ""
        response.error(str(e))
    return JSONResponse(content=response.validate(ConversationIdResp), status_code=200)

# ========================= 执行agent引擎 ===========================
@router.post("/engine", summary="AI Agent Inference")
async def api_agent_infer(items: AgentEngineInput, header: HeaderInfo):
    if items.engine.lower() == "default":
        items.engine = config.SERVER.AGENTS.DEFAULT
    response = Response()
    try:
        streamContent = agent_infer_stream(header, items)
        return StreamingResponse(streamContent, media_type="text/event-stream")
    except Exception as e:
        response.error(str(e))
        return StreamingResponse(streamInteralError("Interal Error"), media_type="text/event-stream")