/* RainLoop Webmail (c) RainLoop Team | Licensed under CC BY-NC-SA 3.0 */

/**
 * @constructor
 */
function AttachmentModel()
{
	this.mimeType = '';
	this.fileName = '';
	this.estimatedSize = 0;
	this.friendlySize = '';
	this.isInline = false;
	this.isLinked = false;
	this.cid = '';
	this.cidWithOutTags = '';
	this.contentLocation = '';
	this.download = '';
	this.folder = '';
	this.uid = '';
	this.mimeIndex = '';
}

/**
 * @static
 * @param {AjaxJsonAttachment} oJsonAttachment
 * @return {?AttachmentModel}
 */
AttachmentModel.newInstanceFromJson = function (oJsonAttachment)
{
	var oAttachmentModel = new AttachmentModel();
	return oAttachmentModel.initByJson(oJsonAttachment) ? oAttachmentModel : null;
};

AttachmentModel.prototype.mimeType = '';
AttachmentModel.prototype.fileName = '';
AttachmentModel.prototype.estimatedSize = 0;
AttachmentModel.prototype.friendlySize = '';
AttachmentModel.prototype.isInline = false;
AttachmentModel.prototype.isLinked = false;
AttachmentModel.prototype.cid = '';
AttachmentModel.prototype.cidWithOutTags = '';
AttachmentModel.prototype.contentLocation = '';
AttachmentModel.prototype.download = '';
AttachmentModel.prototype.folder = '';
AttachmentModel.prototype.uid = '';
AttachmentModel.prototype.mimeIndex = '';

/**
 * @param {AjaxJsonAttachment} oJsonAttachment
 */
AttachmentModel.prototype.initByJson = function (oJsonAttachment)
{
	var bResult = false;
	if (oJsonAttachment && 'Object/Attachment' === oJsonAttachment['@Object'])
	{
		this.mimeType = (oJsonAttachment.MimeType || '').toLowerCase();
		this.fileName = oJsonAttachment.FileName;
		this.estimatedSize = Utils.pInt(oJsonAttachment.EstimatedSize);
		this.isInline = !!oJsonAttachment.IsInline;
		this.isLinked = !!oJsonAttachment.IsLinked;
		this.cid = oJsonAttachment.CID;
		this.contentLocation = oJsonAttachment.ContentLocation;
		this.download = oJsonAttachment.Download;

		this.folder = oJsonAttachment.Folder;
		this.uid = oJsonAttachment.Uid;
		this.mimeIndex = oJsonAttachment.MimeIndex;

		this.friendlySize = Utils.friendlySize(this.estimatedSize);
		this.cidWithOutTags = this.cid.replace(/^<+/, '').replace(/>+$/, '');

		bResult = true;
	}

	return bResult;
};

/**
 * @return {boolean}
 */
AttachmentModel.prototype.isImage = function ()
{
	return -1 < Utils.inArray(this.mimeType.toLowerCase(),
		['image/png', 'image/jpg', 'image/jpeg', 'image/gif']
	);
};

/**
 * @return {boolean}
 */
AttachmentModel.prototype.isText = function ()
{
	return 'text/' === this.mimeType.substr(0, 5) &&
		-1 === Utils.inArray(this.mimeType, ['text/html']);
};

/**
 * @return {boolean}
 */
AttachmentModel.prototype.isPdf = function ()
{
	return Globals.bAllowPdfPreview && 'application/pdf' === this.mimeType;
};

/**
 * @return {string}
 */
AttachmentModel.prototype.linkDownload = function ()
{
	return RL.link().attachmentDownload(this.download);
};

/**
 * @return {string}
 */
AttachmentModel.prototype.linkPreview = function ()
{
	return RL.link().attachmentPreview(this.download);
};

/**
 * @return {string}
 */
AttachmentModel.prototype.linkPreviewAsPlain = function ()
{
	return RL.link().attachmentPreviewAsPlain(this.download);
};

/**
 * @return {string}
 */
AttachmentModel.prototype.generateTransferDownloadUrl = function ()
{
	var	sLink = this.linkDownload();
	if ('http' !== sLink.substr(0, 4))
	{
		sLink = window.location.protocol + '//' + window.location.host + window.location.pathname + sLink;
	}

	return this.mimeType + ':' + this.fileName + ':' + sLink;
};

/**
 * @param {AttachmentModel} oAttachment
 * @param {*} oEvent
 * @return {boolean}
 */
AttachmentModel.prototype.eventDragStart = function (oAttachment, oEvent)
{
	var	oLocalEvent = oEvent.originalEvent || oEvent;
	if (oAttachment && oLocalEvent && oLocalEvent.dataTransfer && oLocalEvent.dataTransfer.setData)
	{
		oLocalEvent.dataTransfer.setData('DownloadURL', this.generateTransferDownloadUrl());
	}

	return true;
};

AttachmentModel.prototype.iconClass = function ()
{
	var
		aParts = this.mimeType.toLocaleString().split('/'),
		sClass = 'icon-file'
	;

	if (aParts && aParts[1])
	{
		if ('image' === aParts[0])
		{
			sClass = 'icon-file-image';
		}
		else if ('text' === aParts[0])
		{
			sClass = 'icon-file-text';
		}
		else if ('audio' === aParts[0])
		{
			sClass = 'icon-file-music';
		}
		else if ('video' === aParts[0])
		{
			sClass = 'icon-file-movie';
		}
		else if (-1 < Utils.inArray(aParts[1],
			['zip', '7z', 'tar', 'rar', 'gzip', 'bzip', 'bzip2', 'x-zip', 'x-7z', 'x-rar', 'x-tar', 'x-gzip', 'x-bzip', 'x-bzip2', 'x-zip-compressed', 'x-7z-compressed', 'x-rar-compressed']))
		{
			sClass = 'icon-file-zip';
		}
//		else if (-1 < Utils.inArray(aParts[1],
//			['pdf', 'x-pdf']))
//		{
//			sClass = 'icon-file-pdf';
//		}
//		else if (-1 < Utils.inArray(aParts[1], [
//			'exe', 'x-exe', 'x-winexe', 'bat'
//		]))
//		{
//			sClass = 'icon-console';
//		}
		else if (-1 < Utils.inArray(aParts[1], [
			'rtf', 'msword', 'vnd.msword', 'vnd.openxmlformats-officedocument.wordprocessingml.document',
			'vnd.openxmlformats-officedocument.wordprocessingml.template',
			'vnd.ms-word.document.macroEnabled.12',
			'vnd.ms-word.template.macroEnabled.12'
		]))
		{
			sClass = 'icon-file-text';
		}
		else if (-1 < Utils.inArray(aParts[1], [
			'excel', 'ms-excel', 'vnd.ms-excel',
			'vnd.openxmlformats-officedocument.spreadsheetml.sheet',
			'vnd.openxmlformats-officedocument.spreadsheetml.template',
			'vnd.ms-excel.sheet.macroEnabled.12',
			'vnd.ms-excel.template.macroEnabled.12',
			'vnd.ms-excel.addin.macroEnabled.12',
			'vnd.ms-excel.sheet.binary.macroEnabled.12'
		]))
		{
			sClass = 'icon-file-excel';
		}
		else if (-1 < Utils.inArray(aParts[1], [
			'powerpoint', 'ms-powerpoint', 'vnd.ms-powerpoint',
			'vnd.openxmlformats-officedocument.presentationml.presentation',
			'vnd.openxmlformats-officedocument.presentationml.template',
			'vnd.openxmlformats-officedocument.presentationml.slideshow',
			'vnd.ms-powerpoint.addin.macroEnabled.12',
			'vnd.ms-powerpoint.presentation.macroEnabled.12',
			'vnd.ms-powerpoint.template.macroEnabled.12',
			'vnd.ms-powerpoint.slideshow.macroEnabled.12'
		]))
		{
			sClass = 'icon-file-chart-graph';
		}
	}

	return sClass;
};