from fastapi import FastAPI,Request
from fastapi.responses import StreamingResponse
from fastapi.middleware.cors import CORSMiddleware
from service.vector_store import vector_store
from service.api import api
from service.scheduler import Scheduler 
from pydantic import BaseModel

app = FastAPI()
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],  # 允许所有来源
    allow_credentials=True,
    allow_methods=["*"],  # 允许所有方法
    allow_headers=["*"],  # 允许所有头
)

scheduler = Scheduler()
scheduler.run()



@app.get("/")
def read_root():
    return {"Hello": "World!"}

@app.get("/api/search")
def search(request: Request, inputs: str):
    client_host = request.client.host
    x_forwarded_for = request.headers.get("x-forwarded-for")
    if x_forwarded_for:
        client_host = x_forwarded_for.split(",")[0]  # 取X-Forwarded-For头的第一个值
    print(f"client_host: {client_host}")
    return vector_store.search(inputs)

## FILECOIN WEB COMPLETE API
@app.get("/api/suggestion")
def get_suggestion(inputs: str):
    return api.get_suggestion(inputs)

## FILECOIN WEB ASNWER API
@app.get("/api/answer")
async def get_answer(inputs: str):
    return StreamingResponse(api.get_answer(inputs))

class AnswerRequest(BaseModel):
    inputs: str

@app.post("/api/answer_v2")
async def post_answer(request: AnswerRequest):
    # 假设 api.get_answer() 需要 description 和 link 两个参数
    response = api.get_answer_v2(request.inputs)
    return StreamingResponse(response)