import asyncio
import io
import os

from celery import Celery
from celery.schedules import crontab
from crawl.crawler import CrawlWebsite
from fastapi import UploadFile
from models.databases.supabase.notifications import NotificationUpdatableProperties
from models.files import File
from models.notifications import NotificationsStatusEnum
from models.settings import get_supabase_client
from parsers.github import process_github
from repository.brain.update_brain_last_update_time import (
    update_brain_last_update_time,
)
from repository.notification.update_notification import update_notification_by_id
from repository.onboarding.remove_onboarding_more_than_x_days import (
    remove_onboarding_more_than_x_days,
)
from utils.processors import filter_file

CELERY_BROKER_URL = os.getenv("CELERY_BROKER_URL", "")
CELEBRY_BROKER_QUEUE_NAME = os.getenv("CELEBRY_BROKER_QUEUE_NAME", "quivr")


if CELERY_BROKER_URL.startswith("sqs"):
    broker_transport_options = {
        CELEBRY_BROKER_QUEUE_NAME: {
            "my-q": {
                "url": CELERY_BROKER_URL,
            }
        }
    }
    celery = Celery(
        __name__,
        broker=CELERY_BROKER_URL,
        task_serializer="json",
        task_concurrency=4,
        worker_prefetch_multiplier=1,
        broker_transport_options=broker_transport_options,
    )
    celery.conf.task_default_queue = CELEBRY_BROKER_QUEUE_NAME
elif CELERY_BROKER_URL.startswith("redis"):
    celery = Celery(
        __name__,
        broker=CELERY_BROKER_URL,
        backend=CELERY_BROKER_URL,
        task_concurrency=4,
        worker_prefetch_multiplier=1,
        task_serializer="json",
    )
else:
    raise ValueError(f"Unsupported broker URL: {CELERY_BROKER_URL}")


@celery.task(name="process_file_and_notify")
def process_file_and_notify(
    file_name: str,
    file_original_name: str,
    enable_summarization,
    brain_id,
    openai_api_key,
    notification_id=None,
):
    supabase_client = get_supabase_client()
    tmp_file_name = "tmp-file-" + file_name
    tmp_file_name = tmp_file_name.replace("/", "_")

    with open(tmp_file_name, "wb+") as f:
        res = supabase_client.storage.from_("quivr").download(file_name)
        f.write(res)
        f.seek(0)
        file_content = f.read()

        # file_object = io.BytesIO(file_content)
        upload_file = UploadFile(
            file=f, filename=file_name.split("/")[-1], size=len(file_content)
        )

        file_instance = File(file=upload_file)
        loop = asyncio.get_event_loop()
        message = loop.run_until_complete(
            filter_file(
                file=file_instance,
                enable_summarization=enable_summarization,
                brain_id=brain_id,
                openai_api_key=openai_api_key,
                original_file_name=file_original_name,
            )
        )

        f.close()
        os.remove(tmp_file_name)

        if notification_id:
            notification_message = {
                "status": message["type"],
                "message": message["message"],
                "name": file_instance.file.filename if file_instance.file else "",
            }
            update_notification_by_id(
                notification_id,
                NotificationUpdatableProperties(
                    status=NotificationsStatusEnum.Done,
                    message=str(notification_message),
                ),
            )
        update_brain_last_update_time(brain_id)

        return True


@celery.task(name="process_crawl_and_notify")
def process_crawl_and_notify(
    crawl_website_url,
    enable_summarization,
    brain_id,
    openai_api_key,
    notification_id=None,
):
    crawl_website = CrawlWebsite(url=crawl_website_url)

    if not crawl_website.checkGithub():
        file_path, file_name = crawl_website.process()

        with open(file_path, "rb") as f:
            file_content = f.read()

        # Create a file-like object in memory using BytesIO
        file_object = io.BytesIO(file_content)
        upload_file = UploadFile(
            file=file_object, filename=file_name, size=len(file_content)
        )
        file_instance = File(file=upload_file)

        loop = asyncio.get_event_loop()
        message = loop.run_until_complete(
            filter_file(
                file=file_instance,
                enable_summarization=enable_summarization,
                brain_id=brain_id,
                openai_api_key=openai_api_key,
                original_file_name=crawl_website_url,
            )
        )
    else:
        loop = asyncio.get_event_loop()
        message = loop.run_until_complete(
            process_github(
                repo=crawl_website.url,
                enable_summarization="false",
                brain_id=brain_id,
                user_openai_api_key=openai_api_key,
            )
        )

    if notification_id:
        notification_message = {
            "status": message["type"],
            "message": message["message"],
            "name": crawl_website_url,
        }
        update_notification_by_id(
            notification_id,
            NotificationUpdatableProperties(
                status=NotificationsStatusEnum.Done,
                message=str(notification_message),
            ),
        )
    update_brain_last_update_time(brain_id)
    return True


@celery.task
def remove_onboarding_more_than_x_days_task():
    remove_onboarding_more_than_x_days(7)


celery.conf.beat_schedule = {
    "remove_onboarding_more_than_x_days_task": {
        "task": f"{__name__}.remove_onboarding_more_than_x_days_task",
        "schedule": crontab(minute="0", hour="0"),
    },
}