// ==UserScript==
// @name         Acfun助手
// @namespace    http://tampermonkey.net/
// @version      1.4.1
// @description  Acfun助手 评论抽奖
// @author       styang
// @require      https://lib.baomitu.com/axios/0.19.0/axios.min.js
// @require      https://lib.baomitu.com/jquery/3.4.1/jquery.min.js
// @match        https://www.acfun.cn/a/*
// @match        https://www.acfun.cn/v/*
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';
    var $ = window.$;
    var AID = location.href.replace('https://www.acfun.cn/a/ac','').replace('https://www.acfun.cn/v/ac','').split('#')[0]
    var video = location.href.includes("/v/")
    var baseUrl = 'https://www.acfun.cn/rest/pc-direct/comment/listByFloor?sourceId=AID&sourceType=1&page=PAGE&pivotCommentId=0'.replace('AID',AID)
    var getComments = function(page){
        return axios.get(baseUrl.replace('PAGE',page))
    }
    var total = 0
    var totalPage = 0
    var comments = []
    var results = []
    var uids = new Set()
    var users = new Set()
    // 重复回复的楼层
    var excludeFloor = new Set()
    var ram = function(){
        var val = Math.ceil(Math.random()*total);
        if(results.indexOf(val)<0&&!excludeFloor.has(val)){
            results.push(val);
            return val
        }else{
            ram();
        }
    };
    var luckcount = 1
    window.lottery = function(){
        let floornumber = ram()
        console.log(`抽取第${luckcount}位天选之子${floornumber}`)
        let user = comments.find(e=>e.floor === floornumber)
        if(user&&!uids.has(user.userId)&&!user.isUp){
            console.log(`第${luckcount}位天选之子【${ user.userName}】`)
            if($('.edui-body-container').text().indexOf('评论5字起') >= 0){
                $('.edui-body-container').empty()
            }
            $('.edui-body-container').append(`<p>第${luckcount}位天选之子${floornumber}楼的 @${user.userName}</p>`)
            luckcount++
            uids.add(user.userId)
        }else{
            window.lottery()
        }
    }
    $(function(){
        getComments(1).then(res =>{
            const data = res.data
            if(data.isUp){
                console.log('确认为up主，载入抽奖助手...')
                total = data.totalCount
                totalPage = data.totalPage
                for(var key in data.commentsMap){
                    var comment = data.commentsMap[key]
                    if(!users.has(comment.userId)){
                        users.add(comment.userId)
                        comments.push(comment)
                    }else {
                        excludeFloor.add(comment.floor)
                    }
                }
                for(var page = 2; page < totalPage + 1; page ++ ){
                    getComments(page).then(pageres => {
                        for(var key in pageres.data.commentsMap){
                            var comment = pageres.data.commentsMap[key]
                            if(!users.has(comment.userId)){
                                users.add(comment.userId)
                                comments.push(comment)
                            }else {
                                excludeFloor.add(comment.floor)
                            }
                        }
                    })
                }
                var button = document.createElement('div');
                var jqButton = $(button);
                var buttonCss = {
                    'border-radius':'15px',
                    'padding':'5px 10px',
                    'background':'#fd4c5b',
                    'display':'inline-block',
                    'cursor':'pointer',
                    'margin-left':'20px',
                    'color':'#fff'
                };
                if(video){
                    buttonCss.margin = '20px 5px'
                }
                jqButton.css(buttonCss);
                jqButton.attr('onclick',"lottery()");
                jqButton.text('开始抽奖');
                $('#art-operate').append(button.outerHTML);
                if(video){
                    $('.banana').after(button.outerHTML);
                }
            }
        })
    })
})();