import type { PlasmoCSConfig } from "plasmo";
import { postPageMessage, receivePageMessage } from "~utils/pageMessage";

export const config: PlasmoCSConfig = {
  run_at: "document_start",
  matches: ["https://www.bilibili.com/bangumi/media/*"],
  world: "MAIN",
};

// 番剧 ID
let seasonId;

// 所有剧集（是个数组）
// {
//   "aid": 280423481,
//   "badge": "",
//   "badge_info": {
//       "bg_color": "#FB7299",
//       "bg_color_night": "#BB5B76",
//       "text": ""
//   },
//   "badge_type": 0,
//   "cid": 1323548379,
//   "cover": "http://i0.hdslb.com/bfs/archive/5356e34bfc9d1b39ad551a506960cec82c37c80f.png",
//   "from": "bangumi",
//   "id": 781703,
//   "is_premiere": 0,
//   "long_title": "任务26 跟踪父亲和母亲",
//   "share_url": "https://www.bilibili.com/bangumi/play/ep781703",
//   "status": 2,
//   "title": "26",
//   "vid": ""
// }
let sections;

// 进度对象
// {
//   "last_ep_id": 810668,
//   "last_ep_index": "35",
//   "last_time": 245
// }
let progress;

// 进度（对应 section 接口里面所有剧集数组的索引）
let progressIndex;

// 给接口使用的结果
let result;

const open = XMLHttpRequest.prototype.open;
const send = XMLHttpRequest.prototype.send;

Object.defineProperty(XMLHttpRequest.prototype, "open", {
  value: function (...params) {
    this._paul_url = params[1];

    return open.apply(this, params);
  },
  writable: true
})

Object.defineProperty(XMLHttpRequest.prototype, "send", {
  value: function (...params) {
    if (
      this._paul_url.includes("season/section") ||
      this._paul_url.includes("season/user/status")
    ) {
      this.addEventListener("load", function () {
        if (this._paul_url.includes("season/section")) {
          sections = JSON.parse(this.response).result.main_section.episodes;
        }
        else if (this._paul_url.includes("season/user/status")) {
          seasonId = new URL(this._paul_url).searchParams.get("season_id");

          progress = JSON.parse(this.response).result.progress || { last_ep_id: -1 };
        }
      })
    }

    return send.apply(this, params);
  },
  writable: true,
});

const checkDataIsHandled = window.setInterval(() => {
  if (sections && progress) {
    if (progress.last_ep_id !== -1) {
      progressIndex = sections.findIndex(
        (item) => item.id === progress.last_ep_id
      );

      console.log("Toolbox: 追番进度获取完成", progressIndex);

      result = {
        id: seasonId,
        seem: progressIndex + 1,
        name: document.querySelector<HTMLSpanElement>(".media-info-title-t").innerText,
      };
    } else {
      console.log("Toolbox: 追番进度获取失败，可能从未观看");
    }

    window.clearInterval(checkDataIsHandled);
  }
}, 1000);

receivePageMessage(() => {
  postPageMessage({
    type: "toolbox::sendBiliProgress",
    value: result,
  });
}, "toolbox::getBiliProgress");