import * as cheerio from "cheerio";
import type { Scraper, VenueMeta } from "./base";
import type { EventInput } from "~/lib/db.server";

export const venue: VenueMeta = {
  id: "liquid-room",
  name: "LIQUID ROOM",
  url: "https://www.liquidroom.net",
  area: "恵比寿",
};

export const scraper: Scraper = {
  venue,
  async scrape(): Promise<EventInput[]> {
    const res = await fetch("https://www.liquidroom.net/schedule");
    if (!res.ok) throw new Error(`HTTP ${res.status}`);
    const html = await res.text();
    const $ = cheerio.load(html);
    const events: EventInput[] = [];

    $("article").each((_, el) => {
      const $el = $(el);

      const href = $el.find("a.s_link").attr("href") ?? "";
      // Date is encoded in the URL: e.g. /schedule/eventname_20260501
      const dateMatch = href.match(/_(\d{4})(\d{2})(\d{2})$/);
      if (!dateMatch) return;
      const date = `${dateMatch[1]}-${dateMatch[2]}-${dateMatch[3]}`;

      const h2 = $el.find("h2").first().text().trim();
      if (!h2) return;

      const subtitle = $el.find("p.subtitle").first().text().trim();
      // h2 is the artist/band name; subtitle (if present) is the event title
      const title = subtitle || h2;
      const artist = subtitle ? h2 : null;

      const openTime =
        $el
          .find("dl")
          .filter((_, dl) => $(dl).find("dt").text().includes("OPEN"))
          .find("dd")
          .text()
          .trim()
          .match(/\d{2}:\d{2}/)?.[0] ?? null;

      const startTime =
        $el
          .find("dl")
          .filter((_, dl) => $(dl).find("dt").text().includes("START"))
          .find("dd")
          .text()
          .trim()
          .match(/\d{2}:\d{2}/)?.[0] ?? null;

      events.push({
        venue_id: venue.id,
        title,
        artist,
        date,
        open_time: openTime,
        start_time: startTime,
        image_url: $el.find("div.left img").attr("src") ?? null,
        source_url: href,
      });
    });

    return events;
  },
};