import asyncio
from concurrent.futures import ThreadPoolExecutor

from fastapi import FastAPI

from utils.cache_layer import get_summarize_from_cache, summarize_un_cache_page
from utils.data_proto import SummaryReq, SummariesReq
from utils.summary_utils import summarize

KEY = 'J9l#K4wP5h@2'
app = FastAPI()
executor = ThreadPoolExecutor(max_workers=5)


@app.get("/")
async def root():
    return {"message": "Hello World"}


@app.post("/summary/")
async def summary(request: SummaryReq):
    if request.key != KEY:
        return 'Unauthorized'
    return summarize(request.id, request.text)


@app.post("/summaries/")
async def summaries(request: SummariesReq):
    if request.key != KEY:
        return 'Unauthorized'
    pages_summaries, uncached_pages = get_summarize_from_cache(request.pages)
    print(f'processing cached pages: {len(pages_summaries)}, uncached pages: {len(uncached_pages)}')
    loop = asyncio.get_event_loop()
    await loop.run_in_executor(executor, summarize_un_cache_page, uncached_pages)
    return pages_summaries