(function ($) {
	maxupgloble = 0;
	function rockupload(opts) {
		var me = this;
		var opts = js.apply({
			inputfile: '', initpdbool: false, initremove: true, uptype: '*', maxsize: 5, onchange: function () { }, onprogress: function () { }, urlparams: {}, updir: '', onsuccess: function () { }, quality: 0.7, xu: 0, fileallarr: [], autoup: true, oldids: '',
			onerror: function () { }, fileidinput: 'fileid',
			onabort: function () { },
			allsuccess: function () { }
		}, opts);
		this._init = function () {
			for (var a in opts) this[a] = opts[a];
			// 加载最大可上传大小
			if (maxupgloble == 0) $.getJSON(js.apiurl('/chat/chat/getMaxUpload'), function (res) {
				try {
					if (res.code == 200) {
						var maxUpload = parseFloat(res.data.maxUpload);
						me.maxsize = maxUpload;
						maxupgloble = maxUpload;
					}
				} catch (e) { }
			});
			
			if (maxupgloble > 0) this.maxsize = maxupgloble;

			if (!this.autoup) return;
			if (this.initremove) {
				$('#' + this.inputfile + '').parent().remove();
				var s = '<form style="display:none;height:0px;width:0px" name="form_' + this.inputfile + '"><input type="file" id="' + this.inputfile + '"></form>';
				$('body').append(s);
			}
			$('#' + this.inputfile + '').change(function () {
				me.change(this);
			});
		};
		this.reset = function () {
			if (!this.autoup) return;
			var fids = 'form_' + this.inputfile + '';
			if (document[fids]) document[fids].reset();
		};
		this.setparams = function (ars) {
			this.oparams = js.apply({ uptype: this.uptype }, ars);
			this.uptype = this.oparams.uptype;
		};
		this.setuptype = function (lx) {
			this.uptype = lx;
		},
			this.click = function (ars) {
				if (this.upbool) return;
				this.setparams(ars);
				get(this.inputfile).click();
			};
		this.clear = function () {
			this.fileallarr = [];
			this.filearr = {};
			this.xu = 0;
			$('#' + this.fileview + '').html('');
		};
		this.change = function (o1) {
			if (!o1.files) {
				js.msg('msg', '当前浏览器不支持上传1');
				return;
			}

			var f = o1.files[0];
			if (!f || f.name == '/') return;
			var a = { filename: f.name, filesize: f.size, filesizecn: js.formatsize(f.size) };
			if (a.filesize <= 0) {
				js.msg('msg', '' + f.name + '不存在');
				return;
			}
			if (this.isfields(a)) return;
			if (f.size > this.maxsize * 1024 * 1024) {
				this.reset();
				js.msg('msg', '文件不能超过' + this.maxsize + 'MB,当前文件' + a.filesizecn + '');
				return;
			}
			var filename = f.name;
			var fileext = filename.substr(filename.lastIndexOf('.') + 1).toLowerCase();
			if (!this.uptype) this.uptype = '*';
			if (this.uptype == 'image') this.uptype = 'jpg,gif,png,bmp,jpeg';
			if (this.uptype == 'word') this.uptype = 'doc,docx,pdf,xls,xlsx,ppt,pptx,txt';
			if (this.uptype != '*') {
				var upss = ',' + this.uptype + ',';
				if (upss.indexOf(',' + fileext + ',') < 0) {
					js.msg('msg', '禁止文件类型,请选择' + this.uptype + '');
					return;
				}
			}

			a.fileext = fileext;
			a.isimg = js.isimg(fileext);
			if (a.isimg) a.imgviewurl = this.getimgview(o1);
			a.xu = this.xu;
			a.f = f;
			for (var i in this.oparams) a[i] = this.oparams[i];
			this.filearr = a;
			var zc = this.fileallarr.push(a);

			//如果是图片压缩一下超过1M
			if (f.size > 1024 * 1024 && a.isimg && this.quality < 1) {
				this.compressimg(a.imgviewurl, f, function (nf) {
					a.filesize = nf.size;
					a.filesizecn = js.formatsize(nf.size);
					me.fileallarr[zc - 1].f = nf;
					me.nnonchagn(a, nf, zc);
				});
			} else {
				this.nnonchagn(a, f, zc);
			}
		};
		this.nnonchagn = function (a, f, zc) {
			this.xu++;
			this.onchange(a);
			this.reset();
			if (!this.autoup) {
				var s = '<div style="padding:3px;font-size:14px;border-bottom:1px #dddddd solid"><font>' + a.filename + '</font>(' + a.filesizecn + ')&nbsp;<span style="color:#ff6600" id="' + this.fileview + '_' + a.xu + '"></span>&nbsp;<a oi="' + (zc - 1) + '" id="gm' + this.fileview + '_' + a.xu + '" href="javascript:;">改名</a>&nbsp;<a onclick="$(this).parent().remove()" href="javascript:;">×</a></div>';
				$('#' + this.fileview + '').append(s);
				$('#gm' + this.fileview + '_' + a.xu + '').click(function () {
					me.s_gaiming(this);
				});
				return;
			}
			this._startup(f);
		};
		this.s_gaiming = function (o1) {
			var o, oi, one, fa;
			o = $(o1);
			oi = parseFloat($(o1).attr('oi'));
			fa = this.fileallarr[oi];
			one = o.parent().find('font').html().replace('.' + fa.fileext + '', '');
			if (get('confirm_main')) {
				var nr = prompt('新文件名', one);
				if (nr) {
					var newfie = nr + '.' + fa.fileext;
					o.parent().find('font').html(newfie);
					me.fileallarr[oi].filename = newfie;
				}
			} else {
				js.prompt('修改文件名', '新文件名', function (jg, nr) {
					if (jg == 'yes' && nr) {
						var newfie = nr + '.' + fa.fileext;
						o.parent().find('font').html(newfie);
						me.fileallarr[oi].filename = newfie;
					}
				}, one);
			}
		};
		this.compressimg = function (path, fobj, call) {
			var img = new Image();
			img.src = path;
			if (!call) call = function () { };
			img.onload = function () {
				var that = this;
				var w = that.width,
					h = that.height,
					scale = w / h;
				var quality = me.quality;//压缩图片质量
				var canvas = document.createElement('canvas');
				var ctx = canvas.getContext('2d');
				var anw = document.createAttribute("width");
				anw.nodeValue = w;
				var anh = document.createAttribute("height");
				anh.nodeValue = h;
				canvas.setAttributeNode(anw);
				canvas.setAttributeNode(anh);
				ctx.drawImage(that, 0, 0, w, h);
				var base64 = canvas.toDataURL(fobj.type, quality);
				var nfobj = me.base64toblob(base64);
				call(nfobj);
			}
		};
		this.base64toblob = function (urlData) {
			var arr = urlData.split(','), mime = arr[0].match(/:(.*?);/)[1],
				bstr = atob(arr[1]), n = bstr.length, u8arr = new Uint8Array(n);
			while (n--) {
				u8arr[n] = bstr.charCodeAt(n);
			}
			return new Blob([u8arr], { type: mime });
		};
		this.getimgview = function (o1) {
			try {
				return URL.createObjectURL(o1.files.item(0));
			} catch (e) { return false; }
		};
		this.isfields = function (a) {
			var bo = false, i, d = this.fileallarr;
			for (i = 0; i < d.length; i++) {
				if (this.fileviewxu(d[i].xu) && d[i].filename == a.filename && d[i].filesize == a.filesize) {
					return true;
				}
			}
			return bo;
		};
		this.sendbase64 = function (nr, ocs) {
			this.filearr = js.apply({ filename: '截图.png', filesize: 0, filesizecn: '', isimg: true, fileext: 'png' }, ocs);
			this._startup(false, nr);
		};
		this.start = function () {
			return this.startss(0);
		};
		this.startss = function (oi) {
			if (oi >= this.xu) {
				var ids = '' + this.oldids + '';
				var a = this.fileallarr;
				for (var i = 0; i < a.length; i++)if (a[i].id) ids += ',' + a[i].id + '';
				if (ids != '' && ids.substr(0, 1) == ',') ids = ids.substr(1);
				try { if (form(this.fileidinput)) form(this.fileidinput).value = ids; } catch (e) { };
				this.allsuccess(this.fileallarr, ids); //必须全部才触发
				return false;
			}
			this.nowoi = oi;
			var f = this.fileallarr[oi];
			if (!f || !this.fileviewxu(f.xu)) {
				return this.startss(this.nowoi + 1);
			}
			this.filearr = f;
			this.onsuccessa = function (f, str) {
				var dst = js.decode(str);
				if (dst.id) {
					this.fileallarr[this.nowoi].id = dst.id;
					this.fileallarr[this.nowoi].filepath = dst.filepath;
				} else {
					js.msg('msg', str);
					this.fileviewxu(this.nowoi, '<font color=red>失败1</font>');
				}
				this.startss(this.nowoi + 1);
			}
			this.onprogressa = function (f, bil) {
				this.fileviewxu(this.nowoi, '' + bil + '%');
			}
			this.onerror = function () {
				this.fileviewxu(this.nowoi, '<font color=red>失败0</font>');
				this.startss(this.nowoi + 1);
			}
			this._startup(f.f);
			return true;
		};
		this.fileviewxu = function (oi, st) {
			if (typeof (st) == 'string') $('#' + this.fileview + '_' + oi + '').html(st);
			return get('' + this.fileview + '_' + oi + '');
		};
		//初始化文件防止重复上传
		this._initfile = function (f) {
			var a = this.filearr, d = { 'filesize': a.filesize, 'fileext': a.fileext };
			if (!a.isimg) d.filename = a.filename;
			var url = js.apiurl('upload', 'initfile', d);
			$.getJSON(url, function (ret) {
				if (ret.success) {
					var bstr = ret.data;
					me.upbool = false;
					me.onsuccess(a, bstr);
				} else {
					me._startup(f, false, true);
				}
			});
		};
		this._startup = function (fs, nr, bos) {
			this.upbool = true;
			if (this.initpdbool && fs && !bos) { this._initfile(fs); return; }
			try { var xhr = new XMLHttpRequest(); } catch (e) { js.msg('msg', '当前浏览器不支持2'); return; }
			this.urlparams.maxsize = this.maxsize;
			if (this.updir) this.urlparams.updir = this.updir;
			var url = js.apiurl('upload', 'upfile', this.urlparams);
			xhr.open('POST', url, true);
			xhr.onreadystatechange = function () { me._statechange(this); };
			xhr.upload.addEventListener("progress", function (evt) { me._onprogress(evt, this); }, false);
			xhr.addEventListener("load", function () { me._onsuccess(this); }, false);
			xhr.addEventListener("error", function () { me._error(false, this); }, false);
			if (nr) fs = this.base64toblob(nr);
			var fd = new FormData();
			fd.append('file', fs, this.filearr.filename);
			xhr.send(fd);
			this.xhr = xhr;
		};
		this.onsuccessa = function () {

		};
		this._onsuccess = function (o) {
			this.upbool = false;
			var bstr = o.response;
			if (bstr.indexOf('id') < 0 || o.status != 200) {
				this._error(bstr);
			} else {
				this.onsuccessa(this.filearr, bstr, o);
				this.onsuccess(this.filearr, bstr, o);
			}
		};
		this._error = function (ts, xr) {
			this.upbool = false;
			if (!ts) ts = '上传内部错误';
			this.onerror(ts);
		};
		this._statechange = function (o) {

		};
		this.onprogressa = function () {

		};
		this._onprogress = function (evt) {
			var loaded = evt.loaded;
			var tot = evt.total;
			var per = Math.floor(100 * loaded / tot);
			this.onprogressa(this.filearr, per, evt);
			this.onprogress(this.filearr, per, evt);
		};
		this.abort = function () {
			this.xhr.abort();
			this.upbool = false;
			this.onabort();
		};
		this._init();
	}


	$.rockupload = function (options) {
		var cls = new rockupload(options, false);
		return cls;
	}

})(jQuery);