// ==UserScript==
// @name              文库下载器
// @version           0.3.2
// @namespace         https://waahah.gitee.io
// @description       百度文库解析下载功能 文档下载器 界面简洁，脚本仅限学习，请大家支持正版。
// @author            waahah
// @require           https://cdn.bootcss.com/jquery/3.5.1/jquery.min.js
// @match             *://wenku.baidu.com/view/*
// @match             *://wenku.baidu.com/tfview/*
// @match             *://wenku.baidu.com/link?url*
// @match             *://wenku.baidu.com/share/*
// @match             *://www.doc88.com/p-*
// @match             *://www.docin.com/p-*
// @license           Apache-2.0
// @grant             unsafeWindow
// @grant             GM_openInTab
// @grant             GM.openInTab
// @grant             GM_getValue
// @grant             GM.getValue
// @grant             GM_setValue
// @grant             GM.setValue
// @grant             GM_xmlhttpRequest
// @grant             GM.xmlHttpRequest
// @grant             GM_registerMenuCommand
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';


$(function(){

    let webUrl = window.location.href;
    let webUrl2;
    const path = window.location.pathname.split("/")[1];
	const host = location.host;
    const tfpath = location.href.split("/");
	const InterfaceList = [
        {"host":"wkdownload","url":"http://www.html22.com/d/?url="},
        {"host":"wenku.baidu.com","func":"doc()","el":"bdwk_ele"},
        {"host":"www.doc88.com","func":"doc()","el":"doc_ele"},
        {"host":"www.docin.com","func":"doc()","el":"docin_ele"}
    ]
    function GMxmlhttpRequest(obj) {
        if (typeof GM_xmlhttpRequest === "function") {
            GM_xmlhttpRequest(obj); }
        else {GM.xmlhttpRequest(obj);} }
    function GMopenInTab(url, open_in_background) {
        if (typeof GM_openInTab === "function") {
            GM_openInTab(url, open_in_background);
        }
            else {GM.openInTab(url, open_in_background); }}
    const after = obj => {
        return obj.replace('/view/', '/share/').replace('.html', '') + '?share_api=1&width=800';
    }
    const css = css => {
		const myStyle = document.createElement('style');
        myStyle.textContent = css;
        const doc = document.head || document.documentElement;
		doc.appendChild(myStyle);
	}

	css(`#zuihuitao {cursor:pointer; position:fixed; top:100px; left:0px; width:0px; z-index:2147483647; font-size:12px; text-align:left;}
			#zuihuitao .logo { position: absolute;right: 0; width: 1.375rem;padding: 10px 2px;text-align: center;color: #fff;cursor: auto;user-select: none;border-radius: 0 4px 4px 0;transform: translate3d(100%, 5%, 0);background: deepskyblue;}
			#zuihuitao .die {display:none; position:absolute; left:28px; top:0; text-align:center;background-color:#04B4AE; border:1px solid gray;}
			#zuihuitao .die li{font-size:12px; color:#fff; text-align:center; width:60px; line-height:21px; float:left; border:1px solid gray;border-radius: 6px 6px 6px 6px; padding:0 4px; margin:4px 2px;list-style-type: none;}
			#zuihuitao .die li:hover{color:#fff;background:#FE2E64;}
            @media print {body {display: block !important;}}
			.add{background-color:#FE2E64;}`);

	const html = $(`<div id='zuihuitao'>
		    <div class='item_text'>
		        <div class="logo"><a id="m">文库下载</a></div>
		            <div class='die' >
		                <div style='display:flex;'>
		                    <div style='width:128px; padding:0px 0;'>
		                    <br>
		                        <div style='font-size:16px; text-align:center; color:#fff; line-height:21px;'>bdwk解析</div>
		                        <ul style='margin:0 24px;'>
		                            <li id="li0">下载</li>
		                            <div style='clear:both;'></div>
		                        </ul>
		                        <br>
		                        <div style='font-size:16px; text-align:center; color:#fff; line-height:21px;'>打印PDF</div>
		                        <ul style='margin:0 25px;'>
		                            <li id="li2">打印</li>
		                            <div style='clear:both;'></div>
		                        </ul>
		                        <br>
							</div>`);

    webUrl2 = after(webUrl);
	$("body").append(html);
	$(".item_text").on("mouseover", () => {
	        $(".die").show();
	    });
	    $(".item_text").on("mouseout", () => {
	        $(".die").hide();
	    });
    console.log(document.lastModified);

    if( path == "link"){
        const base_url = "https://wenku.baidu.com/user/interface/layerpop?act=get&platform=pc&layer_id=8";
        const xhttp = new XMLHttpRequest();
        xhttp.open("GET",base_url);
        xhttp.send(null);
        xhttp.onreadystatechange = function() {
            if (this.readyState == 4 && this.status == 200) {
                console.log('success');
                let datas = xhttp.responseText;
                //console.log(xhttp.responseText);
                datas=JSON.parse(datas);
                console.log(datas);
                const have = datas.data[8].data.pageInfo;
                if(have !== undefined){
                    const url = have.referer;
                    console.log(url);
                    webUrl = url;
                    webUrl2 = after(url);
                    }else{
                        console.log('用户已登录账号 url为空,使用方案二');
                        const pageData = document.querySelector("body > script:nth-child(5)").innerText;
                        //console.log(pageData);
                        const DocId = pageData.indexOf('showDocId')+12;
                        const StoreId = pageData.indexOf('showStoreId')-3;
                        const showDocId = pageData.slice(DocId,StoreId);
                        const url = tfpath[0]+"//"+tfpath[2]+'/view/'+showDocId+".html";
                        console.log(url);
                        webUrl = url;
                        webUrl2 = after(url);
                    }

            }
        }
    }
    if( path == "tfview"){
        const tfurl = tfpath[0]+"//"+tfpath[2]+"/view/"+tfpath[4];
        const tfurl2 = after(tfurl);
        console.log(tfurl);
        webUrl = tfurl;
        webUrl2 = tfurl2;
    }

    const sleep = ms => {
     return new Promise(resolve => setTimeout(resolve, ms));
    }
    const share = () => {
        //console.log(webUrl);
        let ph = document.body.scrollHeight;
        let FPS = 1000;
        let retime = setInterval(function () {
            $(window).scrollTop( FPS,{ behavior: 'smooth'});
            //ph = document.body.scrollHeight;
            FPS = FPS + 1000;
            if (FPS > ph) {
                clearInterval(retime);
                setTimeout(function () {
                    window.print();
                    $(".logo").show();
                },500);

            }
        }, 300)

    }

    const del = el =>{
        $(el).remove();
    }

    const bdwk_ele =['.read-all','.header-wrapper','.no-full-screen','.no-full-screen','.lazy-load',
                     '.reader-topbar','.content-wrapper+div','.hx-warp','.try-end-fold-page',
                     '#page-footer','#reader-container+div'
                    ]
    const doc_ele = ['#continueButton','#header','#toolbar','#box1','#boxright','#readEndDiv','.commonbox1',
                     '#commentDiv','.clearfix','#footer','.dk-bg','.toplayer-shop','.activelist'
                    ]
    const docin_ele = ['.head_wrapper','.page_crubms clear','.doc_header_mod','.aside','#j_isend',
                       '#docinShareSlider','.backToTop','.reader_tools_bar_wrap.tools_bar_small.clear',
                       '.page_crubms.clear','.adBox','#jControlDiv'
                      ]

    const doc = () => {
        for(const even in InterfaceList){
            if(host ==InterfaceList[even].host){
                let ee = InterfaceList[even].el;
                $(eval(ee)[0]).click();
                for(const el of eval(ee)){
                    del(el);
                }
            }
        }

    }

    const main = () => {
        for(const even in InterfaceList){
            if(host ==InterfaceList[even].host){
                eval(InterfaceList[even].func);
                break;
            }
        }
    }

    $("#li0").bind("click", e => {
        if(host == InterfaceList[1].host){
           window.open(InterfaceList[0].url + webUrl);
        }else{
            e.preventDefault();
            alert('百度文库解析，豆丁道客巴巴请使用打印PDF');
        }
	});
    $("#li2").bind("click", () => {
        if(confirm('请确保每一页都加载完再打印，是否打印？')){
            $(".logo").hide();
            $(".die").hide();
            main();
            share();
        }
    });

});

})();