var
	_ = require('_'),
	ko = require('ko'),

	Enums = require('Common/Enums'),
	Utils = require('Common/Utils'),
	Links = require('Common/Links'),

	AppAdminStore = require('Stores/Admin/App'),
	CapaAdminStore = require('Stores/Admin/Capa'),

	Settings = require('Storage/Settings'),
	Remote = require('Remote/Admin/Ajax');

/**
 * @constructor
 */
function SecurityAdminSettings()
{
	this.useLocalProxyForExternalImages = AppAdminStore.useLocalProxyForExternalImages;

	this.weakPassword = AppAdminStore.weakPassword;

	this.capaOpenPGP = CapaAdminStore.openPGP;

	this.capaTwoFactorAuth = CapaAdminStore.twoFactorAuth;
	this.capaTwoFactorAuthForce = CapaAdminStore.twoFactorAuthForce;

	this.capaTwoFactorAuth.subscribe(function(bValue) {
		if (!bValue)
		{
			this.capaTwoFactorAuthForce(false);
		}
	}, this);

	this.verifySslCertificate = ko.observable(!!Settings.settingsGet('VerifySslCertificate'));
	this.allowSelfSigned = ko.observable(!!Settings.settingsGet('AllowSelfSigned'));

	this.verifySslCertificate.subscribe(function(bValue) {
		if (!bValue)
		{
			this.allowSelfSigned(true);
		}
	}, this);

	this.adminLogin = ko.observable(Settings.settingsGet('AdminLogin'));
	this.adminLoginError = ko.observable(false);
	this.adminPassword = ko.observable('');
	this.adminPasswordNew = ko.observable('');
	this.adminPasswordNew2 = ko.observable('');
	this.adminPasswordNewError = ko.observable(false);

	this.adminPasswordUpdateError = ko.observable(false);
	this.adminPasswordUpdateSuccess = ko.observable(false);

	this.adminPassword.subscribe(function() {
		this.adminPasswordUpdateError(false);
		this.adminPasswordUpdateSuccess(false);
	}, this);

	this.adminLogin.subscribe(function() {
		this.adminLoginError(false);
	}, this);

	this.adminPasswordNew.subscribe(function() {
		this.adminPasswordUpdateError(false);
		this.adminPasswordUpdateSuccess(false);
		this.adminPasswordNewError(false);
	}, this);

	this.adminPasswordNew2.subscribe(function() {
		this.adminPasswordUpdateError(false);
		this.adminPasswordUpdateSuccess(false);
		this.adminPasswordNewError(false);
	}, this);

	this.saveNewAdminPasswordCommand = Utils.createCommand(this, function() {

		if ('' === Utils.trim(this.adminLogin()))
		{
			this.adminLoginError(true);
			return false;
		}

		if (this.adminPasswordNew() !== this.adminPasswordNew2())
		{
			this.adminPasswordNewError(true);
			return false;
		}

		this.adminPasswordUpdateError(false);
		this.adminPasswordUpdateSuccess(false);

		Remote.saveNewAdminPassword(this.onNewAdminPasswordResponse, {
			'Login': this.adminLogin(),
			'Password': this.adminPassword(),
			'NewPassword': this.adminPasswordNew()
		});

	}, function() {
		return '' !== Utils.trim(this.adminLogin()) && '' !== this.adminPassword();
	});

	this.onNewAdminPasswordResponse = _.bind(this.onNewAdminPasswordResponse, this);
}

SecurityAdminSettings.prototype.onNewAdminPasswordResponse = function(sResult, oData)
{
	if (Enums.StorageResultType.Success === sResult && oData && oData.Result)
	{
		this.adminPassword('');
		this.adminPasswordNew('');
		this.adminPasswordNew2('');

		this.adminPasswordUpdateSuccess(true);

		this.weakPassword(!!oData.Result.Weak);
	}
	else
	{
		this.adminPasswordUpdateError(true);
	}
};

SecurityAdminSettings.prototype.onBuild = function()
{
	this.capaOpenPGP.subscribe(function(bValue) {
		Remote.saveAdminConfig(Utils.noop, {
			'CapaOpenPGP': bValue ? '1' : '0'
		});
	});

	this.capaTwoFactorAuth.subscribe(function(bValue) {
		Remote.saveAdminConfig(Utils.noop, {
			'CapaTwoFactorAuth': bValue ? '1' : '0'
		});
	});

	this.capaTwoFactorAuthForce.subscribe(function(bValue) {
		Remote.saveAdminConfig(Utils.noop, {
			'CapaTwoFactorAuthForce': bValue ? '1' : '0'
		});
	});

	this.useLocalProxyForExternalImages.subscribe(function(bValue) {
		Remote.saveAdminConfig(null, {
			'UseLocalProxyForExternalImages': bValue ? '1' : '0'
		});
	});

	this.verifySslCertificate.subscribe(function(bValue) {
		Remote.saveAdminConfig(null, {
			'VerifySslCertificate': bValue ? '1' : '0'
		});
	});

	this.allowSelfSigned.subscribe(function(bValue) {
		Remote.saveAdminConfig(null, {
			'AllowSelfSigned': bValue ? '1' : '0'
		});
	});
};

SecurityAdminSettings.prototype.onHide = function()
{
	this.adminPassword('');
	this.adminPasswordNew('');
	this.adminPasswordNew2('');
};

/**
 * @returns {string}
 */
SecurityAdminSettings.prototype.phpInfoLink = function()
{
	return Links.phpInfo();
};

module.exports = SecurityAdminSettings;