/* 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.
   ********************** */

var successKeyWord = "Complete."
var cancelledKeyWord = "Cancelled."

function swfUploadPreLoad() {
	var self = this;
	var loading = function () {
		//document.getElementById("divSWFUploadUI").style.display = "none";
		document.getElementById("divLoadingContent").style.display = "";

		var longLoad = function () {
			document.getElementById("divLoadingContent").style.display = "none";
			document.getElementById("divLongLoading").style.display = "";
		};
		this.customSettings.loadingTimeout = setTimeout(function () {
				longLoad.call(self)
			},
			15 * 1000
		);
	};
	
	this.customSettings.loadingTimeout = setTimeout(function () {
			loading.call(self);
		},
		1*1000
	);
}

function swfUploadLoaded() {
	var self = this;
	clearTimeout(this.customSettings.loadingTimeout);
	//document.getElementById("divSWFUploadUI").style.visibility = "visible";
	//document.getElementById("divSWFUploadUI").style.display = "block";
	document.getElementById("divLoadingContent").style.display = "none";
	document.getElementById("divLongLoading").style.display = "none";
	document.getElementById("divAlternateContent").style.display = "none";
	
	// CANCEL BUTTON
	document.getElementById("btnCancel").onclick = function () {
		self.cancelQueue();
		document.getElementById("uploadInfo").style.display = "none";
		document.getElementById("uploadMessage").innerHTML = cancelledKeyWord;
	};
	
}
  
function swfUploadLoadFailed() {
	clearTimeout(this.customSettings.loadingTimeout);
	//document.getElementById("divSWFUploadUI").style.display = "none";
	document.getElementById("divLoadingContent").style.display = "none";
	document.getElementById("divLongLoading").style.display = "none";
	document.getElementById("divAlternateContent").style.display = "";
}
   
   
function fileQueued(file) {
	try {
		document.getElementById("uploadMessage").innerHTML = "Pending...";
		document.getElementById("uploadInfo").style.display = "block";
		document.getElementById("uploadFileName").style.display = "block";
		document.getElementById("uploadFileName").innerHTML = file.name + " (" + (Math.ceil(file.size / 10000.00) / 100.00) + " MB) ";
		/* progress.setStatus("Pending...");
		progress.toggleCancel(true, this); */
	} catch (ex) {
		this.debug(ex);
	}
}

function fileQueueError(file, errorCode, message) {
	try {
		if (errorCode === SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED) {
			alert("You have attempted to queue too many files.\n" + (message === 0 ? "You have reached the upload limit." : "You may select " + (message > 1 ? "up to " + message + " files." : "one file.")));
			return;
		}

		uploadMessage = document.getElementById("uploadMessage");

		switch (errorCode) {
		case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
			uploadMessage.innerHTML = "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:
			uploadMessage.innerHTML = "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:
			uploadMessage.innerHTML = "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) {
				uploadMessage.innerHTML = "Unhandled Error";
			}
			this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		}
	} catch (ex) {
        this.debug(ex);
    }
}

function fileDialogComplete(numFilesSelected, numFilesQueued) {
	try {
		if (numFilesSelected > 0) {
			document.getElementById(this.customSettings.cancelButtonId).disabled = false;
		}
		
		/* I want auto start the upload and I can do that here */
		this.startUpload();
	} catch (ex)  {
        this.debug(ex);
	}
}

function uploadStart(file) {
	try {
		/* 	- Check that the title variable has been set
				- create the STUB and write it to the form
				- turn off the Name field
				- add the stub as the upload file name to the Flash post params.
		*/
		titleField = document.getElementById("ambisonic_file_name");

		if (titleField.value == "") {
			this.cancelQueue();
			document.getElementById("uploadInfo").style.display = "none";
			alert("Please enter a Name before uploading.");
			return false
		} else {
			// set the stub value here
			stubField =  document.getElementById("ambisonic_file_stub");
			newStubValue = titleField.value.toLowerCase();
			newStubValue = newStubValue.replace(/ /ig, "-");
			newStubValue = newStubValue.replace(/[^0-9A-Za-z-]/ig, "");
			stubField.value = newStubValue;
			post_params.key = post_params.key.replace("${filename}", newStubValue + ".amb");
			this.setPostParams(post_params);
			/* titleField.disabled = true; */
			/* titleField.readonly = true; */
			document.getElementById("uploadMessage").innerHTML = "Uploading...";
			return true;
		}
	}
	catch (ex) {}
	
	return false;
}

function uploadProgress(file, bytesLoaded, bytesTotal) {
	try {
		var percent = Math.floor((bytesLoaded / bytesTotal) * 10000.00) / 100;
		document.getElementById(this.customSettings.progressTarget).style.width = percent + "%";
		document.getElementById("uploadMessage").innerHTML = percent + "% (ETA: " + SWFUpload.speed.formatTime(file.timeRemaining) + " at " + SWFUpload.speed.formatBPS(file.movingAverageSpeed) + ")";

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

function uploadSuccess(file, serverData) {
	try {
		document.getElementById("uploadMessage").innerHTML = successKeyWord;
		document.getElementById("ambisonic_file_size").value = (Math.ceil(file.size / 10000.00) / 100.00);		
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadError(file, errorCode, message) {
		uploadMessage = document.getElementById("uploadMessage");
	try {

		switch (errorCode) {
		case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
			if (message == "407") {
				uploadMessage.innerHTML = "Upload Error: 407. Darn. Connection to the Internet through a proxy is not supported on your platform.";
			} else {
				uploadMessage.innerHTML = "Upload Error: " + message;
			}
		
			this.debug("Error Code: HTTP Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
			uploadMessage.innerHTML = "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:
			uploadMessage.innerHTML = "Server (IO) Error";
			this.debug("Error Code: IO Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
			uploadMessage.innerHTML = "Security Error";
			this.debug("Error Code: Security Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
			uploadMessage.innerHTML = "Upload limit exceeded.";
			this.debug("Error Code: Upload Limit Exceeded, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.FILE_VALIDATION_FAILED:
			uploadMessage.innerHTML = "Failed Validation.  Upload skipped.";
			this.debug("Error Code: File Validation Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
			// If there aren't any files left (they were all cancelled) disable the cancel button
			if (this.getStats().files_queued === 0) {
				document.getElementById(this.customSettings.cancelButtonId).disabled = true;
			}

			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
			uploadMessage.innerHTML = "stopped";
			break;
		default:
			uploadMessage.innerHTML = "Unhandled Error: " + errorCode;
			this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		}
	} catch (ex) {
        this.debug(ex);
    }
}

function uploadComplete(file) {
	if (this.getStats().files_queued === 0) {
		document.getElementById(this.customSettings.cancelButtonId).disabled = true;
	}
	if (document.getElementById("uploadMessage").innerHTML == successKeyWord) {
		if (submit_when_ready == true)
		{
			document.ambisonic_file_form.submit();
		}
	}
}

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