var SPECIAL_CHARACTERS = [['"', '%22'], ['#', '%23'], ['%', '%25'], ['&', '%26'], ['(', '%28'], [')', '%29'], ['+', '%2B'],
                          [',', '%2C'], [';', '%3B'], ['<', '%3C'], ['=', '%3D'], ['>', '%3E'],
                          ['?', '%3F'], ['@', '%40'], ['\\', '%5C'], ['|', '%7C']];

function mailValid() {
	//alert(downloadmail)
	$("#downloadmailerrortip").html("");
	var errortip = "";
	//^(\w-*\.*)+@(\w-?)+(\.\w{2,})+$
	//^[a-z0-9]+([._\\-]*[a-z0-9])*@([a-z0-9]+[-a-z0-9]*[a-z0-9]+.){1,63}[a-z0-9]+$
	var reg = new RegExp("^[a-z0-9A-Z]+([._\\-]*[a-z0-9A-Z])*@([a-zA-Z0-9]+[-a-z0-9A-Z]*[a-z0-9A-Z]+.){1,63}[a-z0-9A-Z]+$"); //正则表达式
	var emailvalue = $("#downloadmail").val();
	//alert(emailvalue)
	if (emailvalue) {
		if (!reg.test(emailvalue)) { //正则验证不通过，格式不对
			errortip = "邮箱格式不正确!";
		}
	} else {
		errortip = "请输入您的邮箱!";

	}

	if (errortip) {
		$("#downloadmailerrortip").html(errortip);
		return false;
	} else {
		return true;
		//return false;
	}


}


function downLoadWinClose() {
	//$("#downloadtomailwin").css("display","none");
	$('#dialogBg5').fadeOut(300, function () {
		$('#dialog5').addClass('bounceOutUp').fadeOut();
	});

}
/**
*
*/

function downLoadWinShow(thisp, fileUrl, fileName) {
	className = $(thisp).attr('class');
	$('#dialogBg5').fadeIn(300);
	$('#dialog5').removeAttr('class').addClass('animated ' + className + '').fadeIn();
	//$("#downloadtomailwin").css("display","");
	$("#downloadfileurl").val(fileUrl);
	$("#downloadfilename").val(fileName);


}


function downLoadLinkToMail() {
	var downloadfileurl = $("#downloadfileurl").val();
	var fileName = $("#downloadfilename").val();
	var mailCheck = mailValid();
	if (mailCheck) {
		var emailvalue = $("#downloadmail").val();
		submitLinkToMail(emailvalue, downloadfileurl, fileName);
	}

}


function submitLinkToMail(emailvalue, downloadfileurl, fileName) {

	$("#downLoadLinkToMailbtn").attr('disabled', true);

	$.ajax({
		type: "post",
		url: "/sendFileToMail.jspx",
		data: {
			emailvalue: emailvalue,
			fileName: fileName,
			fileUrl: downloadfileurl
		},

		dataType: "json",
		success: function (data) {
			//$("#downLoadLinkToMailbtn").attr('disabled',"false");
			$('#downLoadLinkToMailbtn').removeAttr("disabled");
			if (data.success == '1') {
				alert("发送成功!");
				downLoadWinClose();
			} else {
				alert("发送失败!");
			}

		},
		failure: function () {
			//$("#downLoadLinkToMailbtn").attr('disabled',"false");
			$('#downLoadLinkToMailbtn').removeAttr("disabled");
			alert("发送失败,请联系管理员!");
		}

	});
}





function downLoadByName(attachName, attachPath, atype) {
	//attachPath = "/u/cms/www/111.pdf"
	$.ajax({
		type: 'POST',
		url: "/updateDownLoadCount.jspx",
		data: {
			attachName: attachName,
			attachPath: attachPath,
			atype: atype
		},
		success: function (resp) {

		}
	});

	if (attachPath && attachPath.indexOf("http") < 0) {
		attachName = encodeURIComponent(attachName.trim());
		if (atype == 1) {
			if (attachPath.indexOf(".pdf") >= 0 || attachPath.indexOf(".PDF") >= 0) {
				window.open("/downloadByName.jspx?isPreview=Y&filePath=" + attachPath + "&fileName=" + attachName + "&t=" + new Date());
			} else {
				window.open(attachPath);
			}
		} else {
			//下载
			window.open("/downloadByName.jspx?filePath=" + attachPath + "&fileName=" + attachName + "&t=" + new Date());
		}
	} else {
		console.log("执行接口");
		if (atype == 1) {
			if (attachPath.indexOf(".pdf") >= 0 || attachPath.indexOf(".PDF") >= 0) {
				$.ajax({
					type: 'POST',
					url: "/previewOrDownload.jspx",
					data: {
						filePath: attachPath,
						isPreview: "Y",
					},
					success: function (resp) {
console.log("filepath",attachPath);
						const result = attachPath.replace(/&＃40;/g, "(").replace(/&＃41;/g, ")").replace(/&/g, "%26").replace(/\+/g, "%2B");
						console.log("result", result);
						console.log("resp", resp);
						window.open(encodeURI("pdfjs/web/viewer.html?file="+result));
					}
				});
			} else {
				if (attachName.includes("zip") || attachName.includes("rar") || attachName.includes("mp4")|| attachName.includes("stp")) {
					window.open(attachPath);
				} else {
					downLoadUrl(attachName, attachPath);
				}
			}
		} else {
			if (attachName.includes("zip") || attachName.includes("rar") || attachName.includes("mp4")|| attachName.includes("stp")) {
				window.open(attachPath);
			} else {
				downLoadUrl(attachName, attachPath);
			}
		}
	}
}


function downLoadUrl(fileName, url) {
	if(url) {
		for(var i = 0; i < SPECIAL_CHARACTERS.length; i++) {
			var characterArr = SPECIAL_CHARACTERS[i];
			//特殊字符
			var specialStr = characterArr[0];
			if(url.indexOf(specialStr) > -1) {
				//需要替换的字符
				var replaceStr = characterArr[1];
				url = url.split(specialStr).join(replaceStr);
			}			
		}
		fetch(url).then(response => response.blob()).then(blob => {
			downloadBlobFile(fileName, new Blob([blob], { type: 'application/octet-stream' }))
		})
	} else {
		alert('没有需要下载的文件!');
	}
	
}

function downloadBlobFile(fileName, blob) {
	if (typeof window.navigator.msSaveBlob !== 'undefined') {
		// 兼容IE，window.navigator.msSaveBlob：以本地方式保存文件
		window.navigator.msSaveBlob(blob, decodeURI(fileName))
	} else {
		// 创建新的URL并指向File对象或者Blob对象的地址
		const blobURL = window.URL.createObjectURL(blob)
		// 创建a标签，用于跳转至下载链接
		const tempLink = document.createElement('a')
		tempLink.style.display = 'none'
		tempLink.href = blobURL
		tempLink.setAttribute('download', decodeURI(fileName))
		// 兼容：某些浏览器不支持HTML5的download属性
		if (typeof tempLink.download === 'undefined') {
			tempLink.setAttribute('target', '_blank')
		}
		// 挂载a标签
		document.body.appendChild(tempLink)
		tempLink.click()
		document.body.removeChild(tempLink)
		// 释放blob URL地址
		window.URL.revokeObjectURL(blobURL)
	}
}