import asyncio
from functools import partial
from urllib.parse import urljoin

import httpx
from playwright.async_api import async_playwright
from selectolax.parser import HTMLParser

from .utils import Cache, Time, get_logger, leagues, network

log = get_logger(__name__)

urls: dict[str, dict[str, str | float]] = {}

CACHE_FILE = Cache("sport9.json", exp=3_600)

BASE_URL = "https://sport9.ru"


async def get_html(
    client: httpx.AsyncClient,
    url: str,
    date: str,
) -> bytes:

    try:
        r = await client.get(url, params={"date": date})
        r.raise_for_status()
    except Exception as e:
        log.error(f'Failed to fetch "{url}": {e}')

        return b""

    return r.content


async def get_events(
    client: httpx.AsyncClient,
    cached_keys: set[str],
) -> list[dict[str, str]]:
    now = Time.now()

    tasks = [
        get_html(client, BASE_URL, str(d.date()))
        for d in [
            now.delta(days=-1),
            now,
            now.delta(days=1),
        ]
    ]

    results = await asyncio.gather(*tasks)

    soups = [HTMLParser(html) for html in results]

    events = []

    for soup in soups:
        for card in soup.css("a.match-card"):
            live_badge = card.css_first(".live-badge")

            if not live_badge or live_badge.text(strip=True) != "Live":
                continue

            if not (sport_node := card.css_first(".tournament-name")):
                continue

            sport = sport_node.text(strip=True)
            team_1_node = card.css_first(".team1 .team-name")
            team_2_node = card.css_first(".team2 .team-name")

            if team_1_node and not team_2_node:
                event = team_1_node.text(strip=True)

            elif team_2_node and not team_1_node:
                event = team_2_node.text(strip=True)

            elif team_1_node and team_2_node:
                event = (
                    f"{team_1_node.text(strip=True)} vs {team_2_node.text(strip=True)}"
                )

            else:
                continue

            if not (href := card.attributes.get("href")):
                continue

            key = f"[{sport}] {event} (SPRT9)"

            if cached_keys & {key}:
                continue

            events.append(
                {
                    "sport": sport,
                    "event": event,
                    "link": urljoin(BASE_URL, href),
                }
            )

    return events


async def scrape(client: httpx.AsyncClient) -> None:
    cached_urls = CACHE_FILE.load()
    cached_count = len(cached_urls)
    urls.update(cached_urls)

    log.info(f"Loaded {cached_count} event(s) from cache")

    log.info(f'Scraping from "{BASE_URL}"')

    events = await get_events(client, set(cached_urls.keys()))

    log.info(f"Processing {len(events)} new URL(s)")

    if events:
        now = Time.now().timestamp()

        async with async_playwright() as p:
            browser, context = await network.browser(p, browser="brave")

            for i, ev in enumerate(events, start=1):
                handler = partial(
                    network.process_event,
                    url=ev["link"],
                    url_num=i,
                    context=context,
                    log=log,
                )

                url = await network.safe_process(
                    handler,
                    url_num=i,
                    log=log,
                )

                if url:
                    sport, event = ev["sport"], ev["event"]

                    key = f"[{sport}] {event} (SPRT9)"

                    tvg_id, logo = leagues.get_tvg_info(sport, event)

                    entry = {
                        "url": url,
                        "logo": logo,
                        "base": "https://vividmosaica.com/",
                        "timestamp": now,
                        "id": tvg_id or "Live.Event.us",
                    }

                    urls[key] = cached_urls[key] = entry

            await browser.close()

    if new_count := len(cached_urls) - cached_count:
        log.info(f"Collected and cached {new_count} new event(s)")
    else:
        log.info("No new events found")

    CACHE_FILE.write(cached_urls)