// ==UserScript==
// @name         圈云盒子顶帖器
// @namespace    https://circlecloud.ltd/
// @version      0.1.6
// @description  自动顶贴
// @author       MiaoWoo
// @match        https://www.mcbbs.net/forum-server-1.html**
// @run-at       document-start
// @grant        none
// ==/UserScript==
/* global jq */
(function () {
    'use strict'
    let store = window.localStorage
    let nextPage = undefined
    async function sleep(time) {
        return new Promise((resolve, reject) => setTimeout(resolve, time))
    }
    async function waitNextPage() {
        nextPage.click()
        await sleep(200)
        while (nextPage.innerText != "下一页 »") {
            await sleep(100)
        }
    }
    async function readServers() {
        let servers = jq('td.icn').splice(2)
        return servers.map(function (server) {
            let serverInfo = {}
            let line = server.nextElementSibling
            serverInfo.tid = parseInt(line.children[0].id.split('_')[1])
            serverInfo.title = line.children[3].innerText
            serverInfo.view = line.parentNode.children[3].children[1].innerText
            let timeInfo = line.parentNode.children[4].children[1].children[0].children[0]
            if (timeInfo) {
                serverInfo.lastpost_time = timeInfo.title
                serverInfo.topmost = 0
            } else {
                serverInfo.lastpost_time = line.parentNode.children[4].children[1].children[0].innerText
                serverInfo.topmost = 1
            }
            return serverInfo
        })
    }
    async function post(method, data) {
        return await fetch('https://reward.yumc.pw/mcbbs/' + method, {
            method: "POST",
            headers: {
                'Accept': 'application/json',
                'Content-Type': 'application/json'
            },
            body: JSON.stringify(data)
        }).then(r => r.json())
    }
    async function main() {
        await sleep(3000)
        //feat: auto refresh when mcbbs return 504
        if (document.getElementsByTagName('h1')[0].innerText.startsWith(504)) {
            return refresh()
        }
        let taskId = setTimeout(refresh, 60000)
        let params = location.href.split('?')[1]?.split('&').map(s => s.split('=')).reduce((pre, cur, index) => { pre[cur[0]] = cur[1]; return pre }, {}) || {}
        nextPage = document.getElementById('autopbn')
        let servers = await readServers()
        post('alive', { type: 'servers' })
        let lastPostServer = store.lastPostServer && JSON.parse(store.lastPostServer) || {}
        if (lastPostServer.first != servers[0].tid
            || lastPostServer.five != servers[5].tid
            || lastPostServer.ten != servers[10].tid
            || lastPostServer.twenty_five != servers[25].tid
        ) {
            await post('updateServers', servers)
            console.log('数据上报完成!')
        }
        store.lastPostServer = JSON.stringify({
            first: servers[0].tid,
            five: servers[5].tid,
            ten: servers[10].tid,
            twenty_five: servers[25].tid
        })
        if (!params.autoRefresh) { return clearTimeout(taskId) }
        console.log('已开启自动刷新!')
    }
    async function refresh() {
        try {
            await fetch('/api/mobile/index.php?version=4&module=credit')
            location.href = 'https://www.mcbbs.net/forum-server-1.html?autoRefresh=true'
        } catch (error) {
            setTimeout(refresh, 5000)
        }
    }
    window.alert = function (...args) { console.log(args) }
    main()
})()