<?php
/**
 * Copyright (C) 2013-2020 Combodo SARL
 *
 * This file is part of iTop.
 *
 * iTop is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * iTop is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 */

namespace Combodo\iTop\Application\UI\Layout\NavigationMenu;


use ApplicationContext;
use ApplicationMenu;
use appUserPreferences;
use Combodo\iTop\Application\Branding;
use Combodo\iTop\Application\UI\Component\PopoverMenu\NewsroomMenu\NewsroomMenu;
use Combodo\iTop\Application\UI\Component\PopoverMenu\PopoverMenu;
use Combodo\iTop\Application\UI\UIBlock;
use Dict;
use MetaModel;
use UserRights;
use utils;

/**
 * Class NavigationMenu
 *
 * @author Guillaume Lajarige <guillaume.lajarige@combodo.com>
 * @package Combodo\iTop\Application\UI\Layout\NavigationMenu
 * @internal
 * @since 2.8.0
 */
class NavigationMenu extends UIBlock
{
	// Overloaded constants
	const BLOCK_CODE = 'ibo-navigation-menu';
	const HTML_TEMPLATE_REL_PATH = 'layouts/navigation-menu/layout';
	const JS_TEMPLATE_REL_PATH = 'layouts/navigation-menu/layout';
	const JS_FILES_REL_PATH = [
		'js/layouts/navigation-menu.js',
	];

	/** @var string $sAppRevisionNumber */
	protected $sAppRevisionNumber;
	/** @var string $sAppSquareIconUrl */
	protected $sAppSquareIconUrl;
	/** @var string $sAppFullIconUrl */
	protected $sAppFullIconUrl;
	/** @var string $sAppIconLink */
	protected $sAppIconLink;
	/** @var array $aMenuGroups */
	protected $aMenuGroups;
	/** @var array $aUserData */
	protected $aUserData;
	/** @var \Combodo\iTop\Application\UI\Component\PopoverMenu\PopoverMenu $oUserMenu */
	private $oUserMenu;
	/** @var \Combodo\iTop\Application\UI\Component\PopoverMenu\NewsroomMenu\NewsroomMenu $oNewsroomMenu */
	private $oNewsroomMenu;
	/** @var bool $bIsExpanded */
	protected $bIsExpanded;

	/**
	 * NavigationMenu constructor.
	 *
	 * @param string|null $sId
	 * @param \ApplicationContext $oAppContext
	 * @param \Combodo\iTop\Application\UI\Component\PopoverMenu\PopoverMenu $oUserMenu
	 * @param \Combodo\iTop\Application\UI\Component\PopoverMenu\NewsroomMenu\NewsroomMenu|null $oNewsroomMenu
	 *
	 * @throws \CoreException
	 * @throws \CoreUnexpectedValue
	 * @throws \DictExceptionMissingString
	 * @throws \MySQLException
	 */
	public function __construct($sId, ApplicationContext $oAppContext, PopoverMenu $oUserMenu, NewsroomMenu $oNewsroomMenu = null)
	{
		parent::__construct($sId);

		$this->sAppRevisionNumber = utils::GetAppRevisionNumber();
		$this->sAppSquareIconUrl = Branding::GetCompactMainLogoAbsoluteUrl();
		$this->sAppFullIconUrl = Branding::GetFullMainLogoAbsoluteUrl();
		$this->sAppIconLink = MetaModel::GetConfig()->Get('app_icon_url');
		$this->aMenuGroups = ApplicationMenu::GetMenuGroups($oAppContext->GetAsHash());
		$this->oUserMenu = $oUserMenu;
		$this->oNewsroomMenu = $oNewsroomMenu;

		$this->ComputeExpandedState();
		$this->ComputeUserData();
	}

	/**
	 * @return string
	 */
	public function GetAppRevisionNumber()
	{
		return $this->sAppRevisionNumber;
	}

	/**
	 * @return string
	 */
	public function GetAppSquareIconUrl()
	{
		return $this->sAppSquareIconUrl;
	}

	/**
	 * @return string
	 */
	public function GetAppFullIconUrl()
	{
		return $this->sAppFullIconUrl;
	}

	/**
	 * @return string
	 */
	public function GetAppIconLink()
	{
		return $this->sAppIconLink;
	}

	/**
	 * @return array
	 */
	public function GetMenuGroups()
	{
		return $this->aMenuGroups;
	}

	/**
	 * @return array
	 */
	public function GetUserData()
	{
		return $this->aUserData;
	}

	/**
	 * @return \Combodo\iTop\Application\UI\Component\PopoverMenu\PopoverMenu
	 */
	public function GetUserMenu()
	{
		return $this->oUserMenu;
	}
	/**
	 * @return \Combodo\iTop\Application\UI\Component\PopoverMenu\NewsroomMenu\NewsroomMenu
	 */
	public function GetNewsroomMenu()
	{
		return $this->oNewsroomMenu;
	}

	/**
	 * Return true if the menu is expanded
	 *
	 * @return bool
	 */
	public function IsExpanded()
	{
		return $this->bIsExpanded;
	}

	/**
	 * @inheritDoc
	 */
	public function GetSubBlocks()
	{
		return [$this->oUserMenu->GetId() => $this->oUserMenu];
	}

	/**
	 * @return boolean
	 */
	public function IsNewsroomEnabled()
	{
		return MetaModel::GetConfig()->Get('newsroom_enabled');
	}

	/**
	 * Compute if the menu is expanded or collapsed
	 *
	 * @return $this
	 * @throws \CoreException
	 * @throws \CoreUnexpectedValue
	 * @throws \MySQLException
	 */
	protected function ComputeExpandedState()
	{
		$bIsExpanded = false;
		// Check if menu should be opened only if we re not in demo mode
		if (false === MetaModel::GetConfig()->Get('demo_mode'))
		{
			if (utils::ReadParam('force_menu_pane', null) === 0)
			{
				$bIsExpanded = false;
			}
			elseif (appUserPreferences::GetPref('menu_pane', 'closed') === 'opened')
			{
				$bIsExpanded = true;
			}
		}

		$this->bIsExpanded = $bIsExpanded;

		return $this;
	}

	/**
	 * Compute the user data displayed in the menu (organization, name, picture, ...)
	 *
	 * @return $this
	 * @throws \Exception
	 */
	protected function ComputeUserData()
	{
		// Use a picture set in the preferences is there is none in the user's contact
		$sPictureUrl = UserRights::GetContactPictureAbsUrl('', false);
		if(empty($sPictureUrl))
		{
			$sPictureUrl = utils::GetAbsoluteUrlAppRoot().'images/user-pictures/' . appUserPreferences::GetPref('user_picture_placeholder', 'user-profile-default-256px.png');
		}

		//Todo : what do we show if no contact is linked to the user ?
		$aData = [
			'sOrganization' => UserRights::GetContactOrganizationFriendlyname(),
			'sFirstname' => UserRights::GetContactFirstname(),
			'sPictureUrl' => $sPictureUrl,
			'sWelcomeMessage' => Dict::Format('UI:Layout:NavigationMenu:UserInfo:WelcomeMessage:Text', UserRights::GetContactFirstname())
		];

		// Logon message
		$sLogonMessageDictCode = (UserRights::IsAdministrator()) ? 'UI:LoggedAsMessage+Admin' : 'UI:LoggedAsMessage';
		
		$aData['sLogonMessage'] = Dict::Format($sLogonMessageDictCode, UserRights::GetContactFriendlyname());

		$this->aUserData = $aData;

		return $this;
	}
	
}