from typing import Annotated
from fastapi import FastAPI
from pydantic import BaseModel

from api.scraping import scrapePage
from api.analysis import analyseSite, parseImgLis
from api.searchImages import performQueries, incrementPages
from fastapi.encoders import jsonable_encoder
from fastapi.responses import JSONResponse
from starlette.middleware.cors import CORSMiddleware

origins = [
    "http://localhost",
    "http://localhost:3000/"
]



class extract_request(BaseModel):
    url: str
    use_images: bool = False
    use_text:bool = True
    num_images:int=3
    page: int = 0
    result_images:int = 24
    num_keywords_text:int = 10
    num_keywords_images:int = 10
    num_query_keywords:int=5

class increment_request(BaseModel):
    queries:dict
    num_images:int=3
    page: int = 0
    
app = FastAPI()

@app.options("/request/")
async def returnMethods():
    json_compatible_item_data = jsonable_encoder({"Methods":["Post"]})
    return JSONResponse(content=json_compatible_item_data)

@app.post("/request/")
async def create_item(item: extract_request):
    req = item.model_dump()
    scrapedData = scrapePage(req)
    if("error" in scrapedData):
        json_compatible_item_data = jsonable_encoder(scrapedData)
        return JSONResponse(content=json_compatible_item_data)
    queries = analyseSite(scrapedData,req)
    if("error") in queries:
        json_compatible_item_data = jsonable_encoder(queries)
        return JSONResponse(content=json_compatible_item_data)
    res = performQueries(queries)
    resp = {"images":res,"queries":queries}
    json_compatible_item_data = jsonable_encoder(resp)
    return JSONResponse(content=json_compatible_item_data)

@app.options("/increment/")
async def returnMethods():
    json_compatible_item_data = jsonable_encoder({"Methods":["Post"]})
    return JSONResponse(content=json_compatible_item_data)

@app.post("/increment/")
async def increment_page(item: increment_request):
    req = item.model_dump()
    queries=incrementPages(req,req['page'])
    print("queries to execute",queries)
    res = performQueries(queries['queries'])
    resp = {"images":res,"queries":queries["queries"]}
    json_compatible_item_data = jsonable_encoder(resp)
    return JSONResponse(content=json_compatible_item_data)

app.add_middleware(
    CORSMiddleware,
    allow_origins=["http://localhost:3000", "http://0.0.0.0:3000"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)