// ==UserScript==
// @name         每日一个b站热词
// @namespace    https://bbs.tampermonkey.net.cn/
// @version      1.0.2
// @description  每天了解一个b站热词，防止自己与时代脱节（数据来源b站官方的热词解释）
// @author       Vikrant
// @crontab      * 7-21 once * *
// @icon         https://www.bilibili.com/favicon.ico
// @grant        GM_xmlhttpRequest
// @grant        GM_log
// @grant        GM_notification
// @grant        GM_openInTab
// @grant        GM_closeNotification
// @connect      api.bilibili.com
// @license      GNU GPLv3
// ==/UserScript==

return new Promise((resolve, reject) => {
    getWord()
        .then((word) => {
            GM_notification({
                title: word.name,
                text: word.description,
                onclick: (id) => {
                    GM_openInTab(
                        "https://www.bilibili.com/blackboard/activity-WroMZNunfa.html?id=" + word.id
                    )
                    GM_closeNotification(id)
                    resolve()
                },
                timeout: 10000,
                ondone: resolve
            })
        })
        .catch((err) => {
            reject(err)
        })
    let scanTime = setTimeout(() => {
        reject("运行超时")
    }, 15000);
})

function checkId(id = 1) {
    return new Promise((resolve, reject) => {
        GM_xmlhttpRequest({
            url: "http://api.bilibili.com/x/v2/dm/buzzword/detail?id=" + id,
            method: "get",
            timeout: 1000,
            onload: (xhr) => {
                let json = JSON.parse(xhr.responseText)
                let code = JSON.stringify(json.code)
                if (code == 0) {
                    resolve()
                } else {
                    reject()
                }
            },
            onerror: () => {
                reject("error")
            },
            ontimeout: () => {
                reject("timeout")
            }
        })
    })
}

function getWord() {
    return new Promise((resolve, reject) => {
        let id = Math.floor(Math.random() * 999 + 1)
        checkId(id)
            .then(() => {
                GM_xmlhttpRequest({
                    url: "http://api.bilibili.com/x/v2/dm/buzzword/detail?id=" + id,
                    method: "get",
                    timeout: 1000,
                    onload: (xhr) => {
                        let json = JSON.parse(xhr.responseText)
                        let name = JSON.stringify(json.data.name)
                        let description = JSON.stringify(json.data.description)
                        resolve({ name, description, id })
                    }
                })
            })
            .catch((err) => {
                //GM_log("fali")
                if (err == "error") {
                    reject("请求出错！")
                } else if (err == "timeout") {
                    reject("请求超时！")
                } else {
                    resolve(getWord())
                }
            })
    })
}

/*
 .o8                   
"888                   
 888oooo.  oooo    ooo 
 d88' `88b  `88.  .8'  
 888   888   `88..8'   
 888   888    `888'    
 `Y8bod8P'     .8'     
           .o..P'      
           `Y8P'       
                       
oooooo     oooo  o8o  oooo                                           .   
 `888.     .8'   `"'  `888                                         .o8   
  `888.   .8'   oooo   888  oooo  oooo d8b  .oooo.   ooo. .oo.   .o888oo 
   `888. .8'    `888   888 .8P'   `888""8P `P  )88b  `888P"Y88b    888   
    `888.8'      888   888888.     888      .oP"888   888   888    888   
     `888'       888   888 `88b.   888     d8(  888   888   888    888 . 
      `8'       o888o o888o o888o d888b    `Y888""8o o888o o888o   "888" 
*/