// ==UserScript==
// @name          天翼云盘助手
// @description   天翼云盘大文件免客户端直接下载文件，支持2021年6月份改版后的天翼云盘。
// @version       2.0.9
// @namespace     TyCloud_Tools
// @icon          https://z3.ax1x.com/2021/05/31/2m1BTA.png
// @author        邓小明
// @include       *//cloud.189.cn/*
// @require       https://cdn.bootcdn.net/ajax/libs/jquery/2.1.4/jquery.min.js
// @run-at        document-start
// @grant         unsafeWindow
// @downloadURL none
// ==/UserScript==

(function () {
	'use strict';
	$(document).ready(function () {
		init();
	});
})();

function init() {
	//console.log('初始化网盘助手' + unsafeWindow.location.pathname);
	var append_html = `
	<style type="text/css">
	.show_file_list_btn{ cursor:pointer; display:none; position: relative; left: 60px; bottom: 160px; position:fixed; z-index: 998; }
	.show_file_list_btn span{ position: relative; }
	.show_file_list_btn span::after { position: absolute; left: 0; top: 0; content: '直链'; width: 50px; height: 50px; line-height: 50px; border-radius:50%; cursor:pointer; font-size: 14px; background-color: rgba(0,0,0,0.8); background-image:linear-gradient(286deg,#4CA0FC 23%,#E02FEE 76%); opacity: .9; color: #fff; text-align:center; box-shadow: 1px 1px 10px rgba(0,0,0,0.2); animation: rotate 0.5s linear infinite; }
	.show_file_list_btn span::before { content: ''; height: 8px; width: 50px; background: #000; opacity: .15; border-radius: 50%; position: absolute; top: 67px; left: 0; animation: shadow 0.5s linear infinite; }
	@keyframes shadow {
		0%, 100% { transform: scaleX(1); }
		50% { transform: scaleX(1.2); }
	}
	@keyframes rotate {
		0% { transform: translateY(0); }
		25% { transform: translateY(10px); }
		50% { transform: translateY(20px) scale(1.1, 0.9); }
		75% { ransform: translateY(10px); }
		100% { transform: translateY(0); }
	}
	.show_file_list { background-color: rgba(0,0,0,0.65); backdrop-filter:blur(5px); width:100vw; height: 100vh; z-index: 999; left: 0px; top: 0; position:fixed; }
	.show_file_list .td-dialog{ background-color: #fff; width:80%; max-width: 600px; min-height: 300px; margin:10vh auto 0; border-radius:5px; box-shadow: 0px 0px 15px rgba(0,0,0,0.5); }
	.show_file_list .td-dialog .td-dialog__header{ line-height: 44px; padding:5px 10px; border-radius:5px 5px 0 0; background-color:#f1f1f1; overflow: hidden; }
	.show_file_list .td-dialog h2{ float:left; font-size: 20px; color:#333; font-weight:600; }
	.show_file_list .td-dialog .td-dialog__close{ float:right; font-size: 20px; color: #b3b3b3; margin-right:10px; cursor:pointer; }
	.show_file_list .td-dialog__body{ clear:both; padding-bottom: 5px }
	.show_file_list ul{ min-height: 150px; max-height: 300px; overflow-y: auto; background-color: #fff; }
	.show_file_list li{ cursor:pointer; white-space: nowrap; text-overflow: ellipsis; overflow: hidden; word-break: break-all; border-bottom:1px dashed #eee; font-size: 14px; line-height: 42px; padding:0 10px; }
	.show_file_list li:hover{ background-color: #f8f8f8; }
	.show_file_list li span{ color: #3f85ff; }
	.show_file_list li i{ font-size:12px; color: #999; font-style:normal; }
	#file_direct_link{ margin:5px; background-color: #f5efff; font-size:12px; line-height:26px; max-height:78px; overflow-y:auto; border-radius:5px; padding-left:5px; word-break:break-all; }
	#file_direct_link a{ color: #3f85ff; line-height:26px; }
	</style>
	<div class="show_file_list_btn" title="查看当前页文件直链"><span></span></div>
	<div class="show_file_list">
		<div class="td-dialog">
			<div class="td-dialog__header">
				<h2>下载直链</h2>
				<span title="关闭" class="td-dialog__close">X</span>
			</div>
			<div class="td-dialog__body">
				<ul class="folder_list"></ul>
				<div id="file_direct_link"></div>
			</div>
		</div>
	</div>
	`;
	$('body').append(append_html);
	$('.show_file_list').hide();
	$('.show_file_list_btn').on('click', function () {
		$('.show_file_list_btn').fadeOut();
		$('.show_file_list').fadeIn();
	});
	$('.show_file_list .td-dialog__close').on('click', function () {
		$('.show_file_list_btn').fadeIn();
		$('.show_file_list').fadeOut();
		$('#file_direct_link').empty();
	});
}

var share_id = '';

var request_proxied = unsafeWindow.XMLHttpRequest.prototype.open;
unsafeWindow.XMLHttpRequest.prototype.open = function () {
	this.addEventListener('load', function () {
		if (this.status == 200 && this.response) {
			var url = this.responseURL;
			if (url.indexOf('getUserInfoForPortal.action') > -1) {
				//console.log('用户信息', this.response);
			} else if (url.indexOf('file/listFiles.action') > -1) {
				//console.log('文件列表', this.response);
				if (this.response.res_code == 0) {
					show_file_list(this.response.fileListAO);
				}
			} else if (url.indexOf('share/listShareDir.action') > -1) {
				//console.log('分享列表', json);
				if (this.response.res_code == 0) {
					show_file_list(this.response.fileListAO);
				}
			} else if (url.indexOf('share/getShareInfoByCode.action') > -1) {
				if(this.response.shareId){
					share_id = this.response.shareId;
				} else {
					share_id = '';
				}
			} else if (url.indexOf('getFileDownloadUrl.action') > -1) {
				//console.log('文件下载', this.response);
			} else { }

		}
	});
	return request_proxied.apply(this, [].slice.call(arguments));
};

function show_file_list(data) {
	$('.show_file_list .folder_list').empty();
	if (data.count > 0 || data.fileListSize > 0) {
		$('.show_file_list_btn').fadeIn();
		$.each(data.folderList, function (index, item) {
			$('.show_file_list .folder_list').append('<li class="show_folder" data-id="' + item.id + '" title="进入文件夹：' + item.name + '"><span>' + item.name + '</span></li>');
		});
		$.each(data.fileList, function (index, item) {
			$('.show_file_list .folder_list').append('<li class="show_file file_' + item.id + '" data-id="' + item.id + '" title="点击获取直链：' + item.name + '"><span>' + item.name + '</span> <i>' + conver(item.size) + '</i></li>');
			var file_list_item = $('.file-list-ul .c-file-list-item[data-fileid=' + item.id + ']');
			/* 点击文件名下载 */
			file_list_item.find('.file-item-name-fileName-span').attr('title', '点击下载').off('click').on('click', function (e) {
				var file_id = $(this).parents('.c-file-list-item').data('fileid');
				get_file_download_url(file_id, share_id, 0);
			});
			if(item.size >= 50*1024*1024){
				/* 替换打开客户端下载按钮 */
				var data_v = 'data-v-' + (/data-v-(\w+)/.exec(file_list_item.html())[1]);
				file_list_item.find('.file-item-ope-item-download').parent().remove();
				file_list_item.find('.file-item-ope .file-item-ope-item').eq(0).after('<div ' + data_v + ' class="file-item-ope-item direct-download"><span ' + data_v + ' class="file-item-ope-item-icon file-item-ope-item-download"></span></div>');
				file_list_item.find('.file-item-ope-item-download').parent().attr('title', '直链下载').off('click').on('click', function (e) {
					var file_id = $(this).parents('.c-file-list-item').data('fileid');
					get_file_download_url(file_id, share_id, 0);
				});
			}
		});
		$('.show_file_list .show_folder').off('click').on('click', function (e) {
			$('.file-list-ul .c-file-list-item[data-fileid=' + $(this).data('id') + '] .file-item-name-fileName-span').trigger('click');
		});
		$('.show_file_list .show_file').off('click').on('click', function (e) {
			$('#file_direct_link').empty();
			get_file_download_url($(this).data('id'), share_id, 1);
		});
	} else {
		$('.show_file_list_btn').fadeOut();
	}
}

function get_file_download_url(fileid, shareid, show_link) {
	$.ajax({
		url: '/api/open/file/getFileDownloadUrl.action',
		data: {
			fileId: fileid,
			shareId: shareid
		},
		dataType: 'xml',
		success: function (data) {
			var fileName = $('.file-list-ul .c-file-list-item[data-fileid=' + fileid + '] .file-item-name-fileName-span').text();
			var fileDownloadUrl = $(data).find('fileDownloadUrl').text() + '&fileName=' + encodeURIComponent(fileName);
			if(show_link == 1){
				$('#file_direct_link').html('<b>直链网址：</b><a href="' + fileDownloadUrl + '" target="_blank" title="点击下载：' + fileName + '">' + fileDownloadUrl + '</a>');
			}
			unsafeWindow.location.href = fileDownloadUrl;
		}
	});
}

function conver(limit) {
	var size = '';
	if (limit < 0.1 * 1024) {
		size = limit.toFixed(2) + 'B';
	} else if (limit < 0.1 * 1024 * 1024) {
		size = (limit / 1024).toFixed(2) + 'KB';
	} else if (limit < 0.1 * 1024 * 1024 * 1024) {
		size = (limit / (1024 * 1024)).toFixed(2) + 'MB';
	} else {
		size = (limit / (1024 * 1024 * 1024)).toFixed(2) + 'GB';
	}
	var sizestr = size + '';
	var len = sizestr.indexOf('\.');
	var dec = sizestr.substr(len + 1, 2);
	if (dec == '00') {
		return sizestr.substring(0, len) + sizestr.substr(len + 3, 2);
	}
	return sizestr;
}