/*
 * @package    solo
 * @copyright  Copyright (c)2014-2019 Nicholas K. Dionysopoulos / Akeeba Ltd
 * @license    GNU GPL version 3 or later
 */

// Object initialisation
if (typeof akeeba === 'undefined')
{
	var akeeba = {};
}

if (typeof akeeba.Transfer === 'undefined')
{
	akeeba.Transfer = {
		'lastUrl':    '',
		'lastResult': '',
		FtpTest:      {},
		SftpTest:     {},
		FtpModal:     null,
		URLs:         {},
		translations: {}
	}
}

/**
 * Check the URL field
 */
akeeba.Transfer.onUrlChange = function (force)
{
	if (force === undefined)
	{
		force = false;
	}

	var urlBox = document.getElementById('akeeba-transfer-url');
	var url    = urlBox.value;

	if (url == '')
	{
		document.getElementById('akeeba-transfer-lbl-url').style.display = 'block';
	}

	if ((url.substring(0, 7) != 'http://') && (url.substring(0, 8) != 'https://'))
	{
		url = 'http://' + url;
	}

	if (!force && (url === akeeba.Transfer.lastUrl))
	{
		akeeba.Transfer.applyUrlCheck({
			'status': akeeba.Transfer.lastResult,
			'url':    akeeba.Transfer.lastUrl
		});

		return;
	}

	var divList = document.querySelectorAll('#akeeba-transfer-row-url > div');

	for (i = 0; i < divList.length; i++)
	{
		divList[i].style.display = 'none';
	}

	urlBox.setAttribute('disabled', 'disabled');
	document.getElementById('akeeba-transfer-btn-url').setAttribute('disabled', 'disabled');
	document.getElementById('akeeba-transfer-loading').style.display = 'inline-block';

	akeeba.System.doAjax({
			'task': 'checkUrl',
			'url':  url
		},
		akeeba.Transfer.applyUrlCheck,
		function (msg)
		{
			urlBox.removeAttribute('disabled');
			document.getElementById('akeeba-transfer-btn-url').removeAttribute('disabled');
			document.getElementById('akeeba-transfer-loading').style.display = 'none';
		}, false, 10000);

	return false;
};

akeeba.Transfer.applyUrlCheck = function (response)
{
	var urlBox = document.getElementById('akeeba-transfer-url');

	urlBox.removeAttribute('disabled');
	document.getElementById('akeeba-transfer-btn-url').removeAttribute('disabled');
	document.getElementById('akeeba-transfer-loading').style.display       = 'none';
	document.getElementById('akeeba-transfer-ftp-container').style.display = 'none';

	urlBox.value = response.url;

	akeeba.Transfer.lastResult = response.status;
	akeeba.Transfer.lastUrl    = response.url;

	switch (response.status)
	{
		case 'ok':
			akeeba.Transfer.showConnectionDetails();
			break;

		case 'same':
			document.getElementById('akeeba-transfer-err-url-same').style.display = 'block';
			break;

		case 'invalid':
			document.getElementById('akeeba-transfer-err-url-invalid').style.display = 'block';
			break;

		case 'notexists':
			document.getElementById('akeeba-transfer-err-url-notexists').style.display = 'block';
			break;
	}
};

akeeba.Transfer.showConnectionDetails = function ()
{
	document.getElementById('akeeba-transfer-url').setAttribute('disabled', 'disabled');
	document.getElementById('akeeba-transfer-btn-url').setAttribute('disabled', 'disabled');

	document.getElementById('akeeba-transfer-err-url-notexists').style.display = 'none';
	document.getElementById('akeeba-transfer-ftp-container').style.display     = 'grid';
	akeeba.Transfer.onTransferMethodChange();

	return false;
};

akeeba.Transfer.onTransferMethodChange = function (e)
{
	var elFtpMethod = document.getElementById('akeeba-transfer-ftp-method');
	var method      = elFtpMethod.options[elFtpMethod.selectedIndex].value;

    document.getElementById('akeeba-transfer-ftp-host').parentNode.style.display = 'none';
    document.getElementById('akeeba-transfer-ftp-port').parentNode.style.display = 'none';
    document.getElementById('akeeba-transfer-ftp-username').parentNode.style.display = 'none';
    document.getElementById('akeeba-transfer-ftp-password').parentNode.style.display = 'none';
    document.getElementById('akeeba-transfer-ftp-pubkey').parentNode.style.display = 'none';
    document.getElementById('akeeba-transfer-ftp-privatekey').parentNode.style.display = 'none';
    document.getElementById('akeeba-transfer-ftp-directory').parentNode.style.display = 'none';
    document.getElementById('akeeba-transfer-ftp-passive-container').style.display = 'none';
    document.getElementById('akeeba-transfer-ftp-passive-fix-container').style.display = 'none';
    document.getElementById('akeeba-transfer-chunkmode').parentNode.style.display = 'none';
    document.getElementById('akeeba-transfer-chunksize').parentNode.style.display = 'none';
    document.getElementById('akeeba-transfer-apply-loading').style.display = 'none';

	if (method !== 'manual')
	{
		document.getElementById('akeeba-transfer-ftp-host').parentNode.style.display                 =
			'grid';
		document.getElementById('akeeba-transfer-ftp-port').parentNode.style.display                 =
			'grid';
		document.getElementById('akeeba-transfer-ftp-username').parentNode.style.display             =
			'grid';
		document.getElementById('akeeba-transfer-ftp-password').parentNode.style.display             =
			'grid';
		document.getElementById('akeeba-transfer-ftp-directory').parentNode.style.display =
			'grid';
        document.getElementById('akeeba-transfer-chunkmode').parentNode.style.display = 'grid';
        document.getElementById('akeeba-transfer-chunksize').parentNode.style.display = 'grid';

    }

	if (method === 'manual')
	{
		document.getElementById('akeeba-transfer-btn-apply').parentNode.style.display = 'none';
		document.getElementById('akeeba-transfer-manualtransfer').style.display       = 'grid';

		return;
	}

	if ((method === 'ftp') || (method === 'ftps') || (method === 'ftpcurl') || (method === 'ftpscurl'))
	{
		document.getElementById('akeeba-transfer-ftp-passive-container').style.display = 'grid';
	}

	if ((method === 'ftpcurl') || (method === 'ftpscurl'))
	{
		document.getElementById('akeeba-transfer-ftp-passive-fix-container').style.display = 'grid';
	}

	if ((method === 'sftp') || (method === 'sftpcurl'))
	{
		document.getElementById('akeeba-transfer-ftp-pubkey').parentNode.style.display     = 'grid';
		document.getElementById('akeeba-transfer-ftp-privatekey').parentNode.style.display = 'grid';
	}

};

akeeba.Transfer.applyConnection = function ()
{
	document.getElementById('akeeba-transfer-ftp-error').style.display     = 'none';
	document.getElementById('akeeba-transfer-apply-loading').style.display = 'block';

	var button = document.getElementById('akeeba-transfer-btn-apply');
	button.setAttribute('disabled', 'disabled');

	document.getElementById('akeeba-transfer-ftp-method').setAttribute('disabled', 'disabled');
	document.getElementById('akeeba-transfer-ftp-host').parentNode.style.display                 = 'none';
	document.getElementById('akeeba-transfer-ftp-port').parentNode.style.display                 = 'none';
	document.getElementById('akeeba-transfer-ftp-username').parentNode.style.display             = 'none';
	document.getElementById('akeeba-transfer-ftp-password').parentNode.style.display             = 'none';
	document.getElementById('akeeba-transfer-ftp-pubkey').parentNode.style.display               = 'none';
	document.getElementById('akeeba-transfer-ftp-privatekey').parentNode.style.display           = 'none';
	document.getElementById('akeeba-transfer-ftp-directory').parentNode.style.display = 'none';
	document.getElementById('akeeba-transfer-ftp-passive-container').style.display                          = 'none';
	document.getElementById('akeeba-transfer-ftp-passive-fix-container').style.display                      = 'none';
    document.getElementById('akeeba-transfer-chunkmode').parentNode.style.display = 'none';
    document.getElementById('akeeba-transfer-chunksize').parentNode.style.display = 'none';

	var elFtpMethod = document.getElementById('akeeba-transfer-ftp-method');
	var method      = elFtpMethod.options[elFtpMethod.selectedIndex].value;

	if (method == 'manual')
	{
		document.getElementById('akeeba-transfer-btn-apply').parentNode.style.display = 'none';
		document.getElementById('akeeba-transfer-manualtransfer').style.display       = 'grid';

		return;
	}

	var data = {
		"task":        'applyConnection',
		"method":      method,
		"host":        document.getElementById('akeeba-transfer-ftp-host').value,
		"port":        document.getElementById('akeeba-transfer-ftp-port').value,
		"username":    document.getElementById('akeeba-transfer-ftp-username').value,
		"password":    document.getElementById('akeeba-transfer-ftp-password').value,
		"directory":   document.getElementById('akeeba-transfer-ftp-directory').value,
		"passive":     document.getElementById('akeeba-transfer-ftp-passive1').checked ? 1 : 0,
		"passive_fix": document.getElementById('akeeba-transfer-ftp-passive-fix1').checked ? 1 : 0,
		"privateKey":  document.getElementById('akeeba-transfer-ftp-privatekey').value,
		"publicKey":   document.getElementById('akeeba-transfer-ftp-pubkey').value,
		"chunkMode":   document.getElementById('akeeba-transfer-chunkmode').value,
		"chunkSize":   document.getElementById('akeeba-transfer-chunksize').value
	};

	// Construct the query
	akeeba.System.doAjax(
		data,
		function (res)
		{
			document.getElementById('akeeba-transfer-apply-loading').style.display = 'none';

			if (!res.status)
			{
				document.getElementById('akeeba-transfer-btn-apply').removeAttribute('disabled');
				document.getElementById('akeeba-transfer-ftp-method').removeAttribute('disabled');

				var akeebaTransferFTPError     = document.getElementById('akeeba-transfer-ftp-error');
				var akeebaTransferFTPErrorBody = document.getElementById('akeeba-transfer-ftp-error-body');
				var akeebaForceButton          = document.getElementById('akeeba-transfer-ftp-error-force');

				if (akeebaForceButton)
				{
					akeebaForceButton.style.display = 'none';

					if (res.ignorable)
					{
						akeebaForceButton.style.display = 'inline-block';
					}
				}

				akeebaTransferFTPErrorBody.innerHTML = res.message;
				akeebaTransferFTPError.style.display = 'block';
				akeeba.System.triggerEvent(akeebaTransferFTPError, 'focus');

				akeeba.Transfer.onTransferMethodChange();

				return;
			}

			// Successful connection; perform preliminary checks and upload Kickstart
			akeeba.Transfer.uploadKickstart();

		},
		function (res)
		{
			document.getElementById('akeeba-transfer-apply-loading').style.display = 'none';

			document.getElementById('akeeba-transfer-btn-apply').removeAttribute('disabled');
			document.getElementById('akeeba-transfer-ftp-method').removeAttribute('disabled');

			var elFtpError             = document.getElementById('akeeba-transfer-ftp-error');
			var elFtpErrorBody         = document.getElementById('akeeba-transfer-ftp-error-body');
			elFtpErrorBody.textContent = akeeba.Transfer.translations['COM_AKEEBA_CONFIG_DIRECTFTP_TEST_FAIL'];
			elFtpError.style.display   = 'block';
			akeeba.System.triggerEvent(elFtpError, 'focus');

			akeeba.Transfer.onTransferMethodChange();
		}
		, false, 15000
	);
};

akeeba.Transfer.uploadKickstart = function ()
{
	var stepKickstart  = document.getElementById("akeeba-transfer-upload-lbl-kickstart");
	var stepArchive    = document.getElementById("akeeba-transfer-upload-lbl-archive");
	var uploadErrorBox = document.getElementById("akeeba-transfer-upload-error");

	uploadErrorBox.style.display = "none";

	stepKickstart.className = "akeeba-label--orange";
	stepArchive.className = "akeeba-label--grey";

	document.getElementById("akeeba-transfer-upload-area-kickstart").style.display = "none";
	document.getElementById("akeeba-transfer-upload-area-upload").style.display    = "block";
	document.getElementById("akeeba-transfer-upload").style.display                = "block";

	var data = {
		"task": "initialiseUpload"
	};

	// Construct the query
	akeeba.System.doAjax(data, function (res)
	{
		if (!res.status)
		{
			stepKickstart.className = "akeeba-label--red";

			uploadErrorBox.innerHTML     = res.message;
			uploadErrorBox.style.display = "block";

			return;
		}

		// Success. Now let's upload the backup archive.
		akeeba.Transfer.uploadArchive(1);
	}, null, false, 150000);
};

akeeba.Transfer.uploadArchive = function (start)
{
	if (start === undefined)
	{
		start = 0;
	}

	var stepKickstart  = document.getElementById("akeeba-transfer-upload-lbl-kickstart");
	var stepArchive    = document.getElementById("akeeba-transfer-upload-lbl-archive");
	var uploadErrorBox = document.getElementById("akeeba-transfer-upload-error");

	uploadErrorBox.style.display = "none";

	stepKickstart.className = "akeeba-label--green";
	stepArchive.className = "akeeba-label--orange";

	var data = {
		"task": "upload", "start": start
	};

	// Construct the query
	akeeba.System.doAjax(data, function (res)
	{
		if (!res.result)
		{
			stepArchive.className = "akeeba-label--red";

			uploadErrorBox.innerHTML     = res.message;
			uploadErrorBox.style.display = "block";

			return;
		}

		// Success. Let's update the displayed information and step through the upload.
		if (res.done)
		{
			document.getElementById("akeeba-transfer-upload-percent").textContent = "100 %";
			document.getElementById("akeeba-transfer-upload-size").innerHTML      = "";

			document.getElementById("akeeba-transfer-upload-area-kickstart").style.display = "block";
			document.getElementById("akeeba-transfer-upload-area-upload").style.display    = "none";

			var urlBox = document.getElementById("akeeba-transfer-url");
			var url    = urlBox.value.replace(/\/$/, "") + "/kickstart.php";

			document.getElementById("akeeba-transfer-upload-btn-kickstart").setAttribute("href", url);

			return;
		}

		var donePercent = 0;
		var totalSize   = res.totalSize * 1.0;
		var doneSize    = res.doneSize * 1.0;

		if ((totalSize > 0) && (doneSize > 0))
		{
			donePercent = 100 * (doneSize / totalSize);
		}

		document.getElementById("akeeba-transfer-upload-percent").textContent = donePercent.toFixed(2) + "%";
		document.getElementById("akeeba-transfer-upload-size").textContent    = doneSize.toFixed(
			0) + " / " + totalSize.toFixed(0) + " bytes";

		// Using setTimeout prevents recursive call issues.
		window.setTimeout(function ()
						  {
							  akeeba.Transfer.uploadArchive(0);
						  }, 50);
	}, null, false, 150000);
};

akeeba.Transfer.testFtpSftpConnection = function ()
{
	var elFtpMethod = document.getElementById('akeeba-transfer-ftp-method');
	var driver      = elFtpMethod.options[elFtpMethod.selectedIndex].value;

	if ((driver === 'ftp') || (driver === 'ftps') || (driver === 'ftpcurl') || (driver === 'ftpscurl'))
	{
		akeeba.Transfer.FtpTest.testConnection('akeeba-transfer-btn-testftp');
	}
	else if ((driver === 'sftp') || (driver === 'sftpcurl'))
	{
		akeeba.Transfer.SftpTest.testConnection('akeeba-transfer-btn-testftp');
	}

	return false;
};

//=============================================================================
// 							I N I T I A L I Z A T I O N
//=============================================================================
akeeba.System.documentReady(function ()
{
	akeeba.System.addEventListener(document.getElementById('akeeba-transfer-ftp-method'), 'change', akeeba.Transfer.onTransferMethodChange);
});
