import _ from '_';
import ko from 'ko';

import {StorageResultType, ServerSecure, Ports, Notification} from 'Common/Enums';
import {IMAP_DEFAULT_PORT, SIEVE_DEFAULT_PORT, SMTP_DEFAULT_PORT} from 'Common/Consts';
import {bMobileDevice} from 'Common/Globals';
import {createCommand, trim, pInt, pString} from 'Common/Utils';
import {i18n} from 'Common/Translator';

import CapaAdminStore from 'Stores/Admin/Capa';

import Remote from 'Remote/Admin/Ajax';

import {getApp} from 'Helper/Apps/Admin';

import {view, ViewType} from 'Knoin/Knoin';
import {AbstractViewNext} from 'Knoin/AbstractViewNext';

@view({
	name: 'View/Popup/Domain',
	type: ViewType.Popup,
	templateID: 'PopupsDomain'
})
class DomainPopupView extends AbstractViewNext
{
	constructor() {
		super();

		this.edit = ko.observable(false);
		this.saving = ko.observable(false);
		this.savingError = ko.observable('');
		this.page = ko.observable('main');
		this.sieveSettings = ko.observable(false);

		this.testing = ko.observable(false);
		this.testingDone = ko.observable(false);
		this.testingImapError = ko.observable(false);
		this.testingSieveError = ko.observable(false);
		this.testingSmtpError = ko.observable(false);
		this.testingImapErrorDesc = ko.observable('');
		this.testingSieveErrorDesc = ko.observable('');
		this.testingSmtpErrorDesc = ko.observable('');

		this.testingImapError.subscribe((value) => {
			if (!value)
			{
				this.testingImapErrorDesc('');
			}
		});

		this.testingSieveError.subscribe((value) => {
			if (!value)
			{
				this.testingSieveErrorDesc('');
			}
		});

		this.testingSmtpError.subscribe((value) => {
			if (!value)
			{
				this.testingSmtpErrorDesc('');
			}
		});

		this.imapServerFocus = ko.observable(false);
		this.sieveServerFocus = ko.observable(false);
		this.smtpServerFocus = ko.observable(false);

		this.name = ko.observable('');
		this.name.focused = ko.observable(false);

		this.imapServer = ko.observable('');
		this.imapPort = ko.observable('' + IMAP_DEFAULT_PORT);
		this.imapSecure = ko.observable(ServerSecure.None);
		this.imapShortLogin = ko.observable(false);
		this.useSieve = ko.observable(false);
		this.sieveAllowRaw = ko.observable(false);
		this.sieveServer = ko.observable('');
		this.sievePort = ko.observable('' + SIEVE_DEFAULT_PORT);
		this.sieveSecure = ko.observable(ServerSecure.None);
		this.smtpServer = ko.observable('');
		this.smtpPort = ko.observable('' + SMTP_DEFAULT_PORT);
		this.smtpSecure = ko.observable(ServerSecure.None);
		this.smtpShortLogin = ko.observable(false);
		this.smtpAuth = ko.observable(true);
		this.smtpPhpMail = ko.observable(false);
		this.whiteList = ko.observable('');
		this.aliasName = ko.observable('');

		this.enableSmartPorts = ko.observable(false);

		this.allowSieve = ko.computed(() => CapaAdminStore.filters() && CapaAdminStore.sieve());

		this.headerText = ko.computed(() => {

			const
				name = this.name(),
				aliasName = this.aliasName();

			let result = '';

			if (this.edit())
			{
				result = i18n('POPUPS_DOMAIN/TITLE_EDIT_DOMAIN', {'NAME': name});
				if (aliasName)
				{
					result += ' ← ' + aliasName;
				}
			}
			else
			{
				result = ('' === name ? i18n('POPUPS_DOMAIN/TITLE_ADD_DOMAIN') :
					i18n('POPUPS_DOMAIN/TITLE_ADD_DOMAIN_WITH_NAME', {'NAME': name}));
			}

			return result;

		});

		this.domainDesc = ko.computed(() => {
			const name = this.name();
			return !this.edit() && name ? i18n('POPUPS_DOMAIN/NEW_DOMAIN_DESC', {'NAME': '*@' + name}) : '';
		});

		this.domainIsComputed = ko.computed(() => {

			const
				usePhpMail = this.smtpPhpMail(),
				allowSieve = this.allowSieve(),
				useSieve = this.useSieve();

			return '' !== this.name() &&
				'' !== this.imapServer() &&
				'' !== this.imapPort() &&
				(allowSieve && useSieve ? ('' !== this.sieveServer() && '' !== this.sievePort()) : true) &&
				(('' !== this.smtpServer() && '' !== this.smtpPort()) || usePhpMail);

		});

		this.canBeTested = ko.computed(() => !this.testing() && this.domainIsComputed());
		this.canBeSaved = ko.computed(() => !this.saving() && this.domainIsComputed());

		this.createOrAddCommand = createCommand(() => {
			this.saving(true);
			Remote.createOrUpdateDomain(
				_.bind(this.onDomainCreateOrSaveResponse, this),
				!this.edit(),
				this.name(),

				this.imapServer(),
				pInt(this.imapPort()),
				this.imapSecure(),
				this.imapShortLogin(),

				this.useSieve(),
				this.sieveAllowRaw(),
				this.sieveServer(),
				pInt(this.sievePort()),
				this.sieveSecure(),

				this.smtpServer(),
				pInt(this.smtpPort()),
				this.smtpSecure(),
				this.smtpShortLogin(),
				this.smtpAuth(),
				this.smtpPhpMail(),

				this.whiteList()
			);
		}, this.canBeSaved);

		this.testConnectionCommand = createCommand(() => {

			this.page('main');

			this.testingDone(false);
			this.testingImapError(false);
			this.testingSieveError(false);
			this.testingSmtpError(false);
			this.testing(true);

			Remote.testConnectionForDomain(
				_.bind(this.onTestConnectionResponse, this),
				this.name(),

				this.imapServer(),
				pInt(this.imapPort()),
				this.imapSecure(),

				this.useSieve(),
				this.sieveServer(),
				pInt(this.sievePort()),
				this.sieveSecure(),

				this.smtpServer(),
				pInt(this.smtpPort()),
				this.smtpSecure(),
				this.smtpAuth(),
				this.smtpPhpMail()
			);
		}, this.canBeTested);

		this.whiteListCommand = createCommand(() => {
			this.page('white-list');
		});

		this.backCommand = createCommand(() => {
			this.page('main');
		});

		this.sieveCommand = createCommand(() => {
			this.sieveSettings(!this.sieveSettings());
			this.clearTesting();
		});

		this.page.subscribe(() => {
			this.sieveSettings(false);
		});

		// smart form improvements
		this.imapServerFocus.subscribe((value) => {
			if (value && '' !== this.name() && '' === this.imapServer())
			{
				this.imapServer(this.name().replace(/[.]?[*][.]?/g, ''));
			}
		});

		this.sieveServerFocus.subscribe((value) => {
			if (value && '' !== this.imapServer() && '' === this.sieveServer())
			{
				this.sieveServer(this.imapServer());
			}
		});

		this.smtpServerFocus.subscribe((value) => {
			if (value && '' !== this.imapServer() && '' === this.smtpServer())
			{
				this.smtpServer(this.imapServer().replace(/imap/ig, 'smtp'));
			}
		});

		this.imapSecure.subscribe((value) => {
			if (this.enableSmartPorts())
			{
				const port = pInt(this.imapPort());
				switch (pString(value))
				{
					case '0':
						if (Ports.ImapSsl === port)
						{
							this.imapPort(pString(Ports.Imap));
						}
						break;
					case '1':
						if (Ports.Imap === port)
						{
							this.imapPort(pString(Ports.ImapSsl));
						}
						break;
					// no default
				}
			}
		});

		this.smtpSecure.subscribe((value) => {
			if (this.enableSmartPorts())
			{
				const port = pInt(this.smtpPort());
				switch (pString(value))
				{
					case '0':
						if (Ports.SmtpSsl === port || Ports.SmtpStartTls === port)
						{
							this.smtpPort(pString(Ports.Smtp));
						}
						break;
					case '1':
						if (Ports.Smtp === port || Ports.SmtpStartTls === port)
						{
							this.smtpPort(pString(Ports.SmtpSsl));
						}
						break;
					case '2':
						if (Ports.Smtp === port || Ports.SmtpSsl === port)
						{
							this.smtpPort(pString(Ports.SmtpStartTls));
						}
						break;
					// no default
				}
			}
		});
	}

	onTestConnectionResponse(sResult, oData) {
		this.testing(false);
		if (StorageResultType.Success === sResult && oData.Result)
		{
			let
				bImap = false,
				bSieve = false;

			this.testingDone(true);
			this.testingImapError(true !== oData.Result.Imap);
			this.testingSieveError(true !== oData.Result.Sieve);
			this.testingSmtpError(true !== oData.Result.Smtp);

			if (this.testingImapError() && oData.Result.Imap)
			{
				bImap = true;
				this.testingImapErrorDesc('');
				this.testingImapErrorDesc(oData.Result.Imap);
			}

			if (this.testingSieveError() && oData.Result.Sieve)
			{
				bSieve = true;
				this.testingSieveErrorDesc('');
				this.testingSieveErrorDesc(oData.Result.Sieve);
			}

			if (this.testingSmtpError() && oData.Result.Smtp)
			{
				this.testingSmtpErrorDesc('');
				this.testingSmtpErrorDesc(oData.Result.Smtp);
			}

			if (this.sieveSettings())
			{
				if (!bSieve && bImap)
				{
					this.sieveSettings(false);
				}
			}
			else if (bSieve && !bImap)
			{
				this.sieveSettings(true);
			}
		}
		else
		{
			this.testingImapError(true);
			this.testingSieveError(true);
			this.testingSmtpError(true);
			this.sieveSettings(false);
		}
	}

	onDomainCreateOrSaveResponse(sResult, oData) {
		this.saving(false);
		if (StorageResultType.Success === sResult && oData)
		{
			if (oData.Result)
			{
				getApp().reloadDomainList();
				this.closeCommand();
			}
			else if (Notification.DomainAlreadyExists === oData.ErrorCode)
			{
				this.savingError(i18n('ERRORS/DOMAIN_ALREADY_EXISTS'));
			}
		}
		else
		{
			this.savingError(i18n('ERRORS/UNKNOWN_ERROR'));
		}
	}

	clearTesting() {
		this.testing(false);
		this.testingDone(false);
		this.testingImapError(false);
		this.testingSieveError(false);
		this.testingSmtpError(false);
	}

	onHide() {
		this.page('main');
		this.sieveSettings(false);
	}

	onShow(oDomain) {
		this.saving(false);

		this.page('main');
		this.sieveSettings(false);

		this.clearTesting();

		this.clearForm();
		if (oDomain)
		{
			this.enableSmartPorts(false);

			this.edit(true);

			this.name(trim(oDomain.Name));
			this.imapServer(trim(oDomain.IncHost));
			this.imapPort('' + pInt(oDomain.IncPort));
			this.imapSecure(trim(oDomain.IncSecure));
			this.imapShortLogin(!!oDomain.IncShortLogin);
			this.useSieve(!!oDomain.UseSieve);
			this.sieveAllowRaw(!!oDomain.SieveAllowRaw);
			this.sieveServer(trim(oDomain.SieveHost));
			this.sievePort('' + pInt(oDomain.SievePort));
			this.sieveSecure(trim(oDomain.SieveSecure));
			this.smtpServer(trim(oDomain.OutHost));
			this.smtpPort('' + pInt(oDomain.OutPort));
			this.smtpSecure(trim(oDomain.OutSecure));
			this.smtpShortLogin(!!oDomain.OutShortLogin);
			this.smtpAuth(!!oDomain.OutAuth);
			this.smtpPhpMail(!!oDomain.OutUsePhpMail);
			this.whiteList(trim(oDomain.WhiteList));
			this.aliasName(trim(oDomain.AliasName));

			this.enableSmartPorts(true);
		}
	}

	onShowWithDelay() {
		if ('' === this.name() && !bMobileDevice)
		{
			this.name.focused(true);
		}
	}

	clearForm() {
		this.edit(false);

		this.page('main');
		this.sieveSettings(false);

		this.enableSmartPorts(false);

		this.savingError('');

		this.name('');
		this.name.focused(false);

		this.imapServer('');
		this.imapPort('' + IMAP_DEFAULT_PORT);
		this.imapSecure(ServerSecure.None);
		this.imapShortLogin(false);

		this.useSieve(false);
		this.sieveAllowRaw(false);
		this.sieveServer('');
		this.sievePort('' + SIEVE_DEFAULT_PORT);
		this.sieveSecure(ServerSecure.None);

		this.smtpServer('');
		this.smtpPort('' + SMTP_DEFAULT_PORT);
		this.smtpSecure(ServerSecure.None);
		this.smtpShortLogin(false);
		this.smtpAuth(true);
		this.smtpPhpMail(false);

		this.whiteList('');
		this.aliasName('');
		this.enableSmartPorts(true);
	}
}

module.exports = DomainPopupView;