/* Demo Note:  This demo uses a FileProgress class that handles the UI for displaying the file name and percent complete.
The FileProgress class is not part of SWFUpload.
*/


/* **********************
   Event Handlers
   These are my custom event handlers to make my
   web application behave the way I went when SWFUpload
   completes different tasks.  These aren't part of the SWFUpload
   package.  They are part of my application.  Without these none
   of the actions SWFUpload makes will show up in my application.
   ********************** */
   

function fileDialogComplete() {
	
	
//	var btnSubmit = document.getElementById("fence-calculate");   
//	btnSubmit.disabled = 'disabled';
	swfu.startUpload();
}



function fileQueued(file) {
	try {
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setStatus("Ожидание...");
		progress.toggleCancel(true, this);

	} catch (ex) {
		alert(ex.message);
		this.debug(ex);
	}

}

function fileQueueError(file, errorCode, message) {
	try {
		if (errorCode === SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED) {
			alert("Вы попытались прикрепить большое кол-во файлов.\n" + (message === 0 ? "Вы превысили лимит." : "Вы можете выбрать " + (message > 1 ? "до " + message + " файлов." : "один файл.")));
			return;
		}

		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setError();
		progress.toggleCancel(false);

		switch (errorCode) {
		case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
			progress.setStatus("File is too big.");
			this.debug("Error Code: File too big, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
			progress.setStatus("Cannot upload Zero Byte files.");
			this.debug("Error Code: Zero byte file, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
			progress.setStatus("Invalid File Type.");
			this.debug("Error Code: Invalid File Type, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		default:
			if (file !== null) {
				progress.setStatus("Unhandled Error");
			}
			this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		}
	} catch (ex) {
        this.debug(ex);
    }
}


function uploadStart(file) {
	try {
		/* I don't want to do any file validation or anything,  I'll just update the UI and
		return true to indicate that the upload should start.
		It's important to update the UI here because in Linux no uploadProgress events are called. The best
		we can do is say we are uploading.
		 */
		$("#fence-calculate").attr('disabled', 'disabled');
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setStatus("Загрузка...");
		progress.toggleCancel(true, this);
	}
	catch (ex) {alert(ex.message);}
	
	return true;
}

function uploadProgress(file, bytesLoaded, bytesTotal) {
	try {
		
		var percent = Math.ceil((bytesLoaded / bytesTotal) * 100);
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setProgress(percent);
		progress.setStatus("Загрузка...");
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadSuccess(file, serverData) {
	try {
		this.customSettings.upload_successful = true;
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setComplete();
		progress.setStatus("Готово.");
		progress.toggleCancel(false);

	} catch (ex) {
		this.debug(ex);
	}
}

function uploadComplete(file) {	
		if (this.customSettings.upload_successful) {
			$("#fence-calculate").removeAttr('disabled');
			$('#file_upl').empty().html('Файл был успешно загружен!');
		} else {			
			file.id = "singlefile";	// This makes it so FileProgress only makes a single UI element, instead of one for each file
			var progress = new FileProgress(file, this.customSettings.progressTarget);
			progress.setError();
			progress.setStatus("File rejected");
			progress.toggleCancel(false);		

			alert("Ошибка загрузки");
		}
	
}

function uploadError(file, errorCode, message) {
	try {		
		if (errorCode === SWFUpload.UPLOAD_ERROR.FILE_CANCELLED) {
			// Don't show cancelled error boxes
			return;
		}
		
				
		// Handle this error separately because we don't want to create a FileProgress element for it.
		switch (errorCode) {
		case SWFUpload.UPLOAD_ERROR.MISSING_UPLOAD_URL:
			alert("There was a configuration error.  You will not be able to upload a resume at this time.");
			this.debug("Error Code: No backend file, File name: " + file.name + ", Message: " + message);
			return;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
			alert("Вы не можете прикрепить больше одного файла.");
			this.debug("Error Code: Upload Limit Exceeded, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			return;
		case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
		case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
			break;
		default:
			alert("An error occurred in the upload. Try again later.");
			this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			return;
		}

		file.id = "singlefile";	// This makes it so FileProgress only makes a single UI element, instead of one for each file
		
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setError();
		progress.toggleCancel(false);

		switch (errorCode) {
		case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
			progress.setStatus("Upload Error");
			this.debug("Error Code: HTTP Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
			progress.setStatus("Upload Failed.");
			this.debug("Error Code: Upload Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.IO_ERROR:
			progress.setStatus("Server (IO) Error");
			this.debug("Error Code: IO Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
			progress.setStatus("Security Error");
			this.debug("Error Code: Security Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
			progress.setStatus("Upload Cancelled");
			this.debug("Error Code: Upload Cancelled, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
			progress.setStatus("Upload Stopped");
			this.debug("Error Code: Upload Stopped, File name: " + file.name + ", Message: " + message);
			break;
		}
	} catch (ex) {
		alert(ex.message);
	}
}



// This event comes from the Queue Plugin
function queueComplete(numFilesUploaded) {
	var status = document.getElementById("divStatus");
	status.innerHTML = numFilesUploaded + " file" + (numFilesUploaded === 1 ? "" : "s") + " uploaded.";
}