<?php
if (!defined('B_PROLOG_INCLUDED') || B_PROLOG_INCLUDED !== true)
{
	die();
}

use Bitrix\Landing\Hook;
use Bitrix\Landing\Hook\Page\Theme;
use Bitrix\Landing\Site\Type;
use Bitrix\Landing\Rights;
use Bitrix\Main\Config\Option;
use \Bitrix\Main\Event;
use Bitrix\Main\EventManager;
use \Bitrix\Main\EventResult;
use Bitrix\Main\Loader;
use Bitrix\Main\Web\Uri;

CBitrixComponent::includeComponentClass('bitrix:landing.demo');

class LandingSiteDemoPreviewComponent extends LandingSiteDemoComponent
{
	/**
	 * Default color picker color
	 */
	public const COLOR_PICKER_COLOR = '#f25a8f';

	/**
	 * Default site color (lightblue bitrix color)
	 */
	public const BASE_COLOR = '#2fc6f6';

	/**
	 * Base executable method.
	 * @return void
	 */
	public function executeComponent(): void
	{
		$init = $this->init();

		if ($init)
		{
			$this->checkParam('SITE_ID', 0);
			$this->checkParam('LANG_ID', '');
			$this->checkParam('ADMIN_SECTION', 'N');
			$this->checkParam('CODE', '');
			$this->checkParam('TYPE', '');
			$this->checkParam('SITE_WORK_MODE', 'N');
			$this->checkParam('DONT_LEAVE_FRAME', 'N');
			$this->checkParam('DISABLE_REDIRECT', 'N');
			$this->checkParam('BINDING_TYPE', '');
			$this->checkParam('BINDING_ID', '');
			$this->checkParam('ACTION_FOLDER', 'folderId');

			Type::setScope(
				$this->arParams['TYPE']
			);

			$code = $this->arParams['CODE'];
			$this->getRemoteTemplates = true;
			$demo = $this->getDemoPage($code);

			if (isset($demo[$code]))
			{
				$this->arResult['SITE_GROUP'] = [];

				if (isset($demo[$code]['LABELS']))
				{
					$labels = $demo[$code]['LABELS'];
					$bySubscription = array_reduce($labels, static function($lastRes, $label) {
						return $lastRes || $label['CODE'] === 'subscription';
					}, false);
				}

				// check if SITE GROUP
				if (
					isset($demo[$code]['DATA']['site_group']) &&
					$demo[$code]['DATA']['site_group'] === 'Y'
				)
				{
					$this->arResult['SITE_GROUP'] = $demo[$code]['DATA']['site_group_items'];
					foreach ($this->arResult['SITE_GROUP'] as $i => $site)
					{
						$this->arResult['SITE_GROUP'][$i]['url'] = $this->getUrlPreview(
							$site['code'],
							$demo[$site['code']]
						);
					}

					// for first load preview
					$code = $this->arResult['SITE_GROUP'][0]['code'] . '/' . $this->arResult['SITE_GROUP'][0]['page'];
				}

				if ($demo[$code]['REST'] > 0)
				{
					$demo[$code]['DATA'] = $this->getTemplateManifest(
						$demo[$code]['REST']
					);
				}

				$this->arResult['EXTERNAL_IMPORT'] = [];
				$colors = Theme::getColorCodes();
				$this->arResult['COLORS'] = $colors;
				$this->arResult['TEMPLATE'] = $demo[$code];
				$this->arResult['TEMPLATE']['URL_PREVIEW'] = $this->getUrlPreview($code, $demo[$code]);
				// first color by default
				$this->arResult['THEME_CURRENT'] = $demo[$code]['THEME_COLOR'] ?? null;
				$this->arResult['RIGHTS_CREATE'] = Rights::hasAdditionalRight(
					Rights::ADDITIONAL_RIGHTS['create']
				);
				$this->arResult['NEEDED_SUBSCRIPTION'] = $bySubscription ?? false;

				// check external import (additional step after submit create)
				$event = new Event('landing', 'onBuildTemplateCreateUrl', array(
					'code' => $code,
					'uri' => $this->getUri()
				));
				$event->send();
				foreach ($event->getResults() as $result)
				{
					if (($result->getType() != EventResult::ERROR) && ($modified = $result->getModified()))
					{
						if (isset($modified['onclick']))
						{
							$this->arResult['EXTERNAL_IMPORT']['onclick'] = $modified['onclick'];
						}
						if (isset($modified['href']))
						{
							$this->arResult['EXTERNAL_IMPORT']['href'] = $modified['href'];
						}
					}
				}
				unset($event, $result);

				// for NEW PAGE IN EXIST SITE - add option for inherit color
				if ($this->arParams['SITE_ID'])
				{
					$classFull = $this->getValidClass('Site');
					if ($classFull && method_exists($classFull, 'getHooks'))
					{
						Hook::setEditMode();
						$hooks = $classFull::getHooks($this->arParams['SITE_ID']);
					}

					if (isset($hooks['THEME'], $hooks['THEME']->getPageFields()['THEME_CODE']))
					{
						$this->arResult['THEME_SITE'] = $hooks['THEME']->getPageFields()['THEME_CODE']->getValue();
					}
					else
					{
						$this->arResult['THEME_SITE'] = array_shift(array_keys($this->arResult['COLORS']));
					}

					$this->arResult['THEME_COLOR'] = '#34bcf2';
					if (isset($hooks['THEME'], $hooks['THEME']->getPageFields()['THEME_COLOR']))
					{
						$this->arResult['THEME_COLOR'] = $hooks['THEME']->getPageFields()['THEME_COLOR']->getValue();
					}

					if ($this->isNeedAddColorToPalette($this->arResult['THEME_SITE']))
					{
						$this->addColorToPallete($this->arResult['THEME_SITE']);
					}

					// use color from template or use_site_theme
					$this->arResult['THEME_CURRENT'] =
						$this->arResult['TEMPLATE']['DATA']['fields']['ADDITIONAL_FIELDS']['THEME_CODE'] ?? 'USE_SITE';
				}
				// NEW SITE - get theme from template (or default)
				else
				{
					if (isset($this->arResult['TEMPLATE']['DATA']['fields']['ADDITIONAL_FIELDS']['THEME_CODE']))
					{
						$this->arResult['THEME_CURRENT'] = $this->arResult['TEMPLATE']['DATA']['fields']['ADDITIONAL_FIELDS']['THEME_CODE'];
					}
					if (isset($this->arResult['TEMPLATE']['DATA']['fields']['ADDITIONAL_FIELDS']['THEME_COLOR']))
					{
						$this->arResult['THEME_CURRENT'] = $this->arResult['TEMPLATE']['DATA']['fields']['ADDITIONAL_FIELDS']['THEME_COLOR'];
					}
				}

				if ($this->isNeedAddColorToPalette($this->arResult['THEME_CURRENT']))
				{
					$this->addColorToPallete($this->arResult['THEME_CURRENT']);
				}

				// disable import
				if (isset($demo[$code]['DATA']['disable_import']) &&
					$demo[$code]['DATA']['disable_import'] === 'Y')
				{
					$this->arResult['DISABLE_IMPORT'] = true;
				}
				else
				{
					$this->arResult['DISABLE_IMPORT'] = false;
				}

				// folder
				if ($this->request($this->arParams['ACTION_FOLDER']))
				{
					$this->arResult['FOLDER_ID'] = $this->request($this->arParams['ACTION_FOLDER']);
				}

				// replace landing instead create new
				if ((int)$this->request('replaceLid') > 0)
				{
					$this->arParams['REPLACE_LID'] = (int)$this->request('replaceLid');
				}

				if ($this->request('specType') === Type::PSEUDO_SCOPE_CODE_FORMS)
				{
					$this->arParams['IS_CRM_FORM'] = 'Y';
				}

				if ($this->request('context') !== '')
				{
					$this->arParams['CONTEXT'] = $this->request('context');
				}
			}
			else
			{
				$this->arResult['COLORS'] = array();
				$this->arResult['TEMPLATE'] = array();
			}
		}

		parent::executeComponent();
	}

	/**
	 * Mark some color for default set.
	 *
	 * @param string|null $color Color code.
	 *
	 * @return void
	 */
	private function addColorToPallete($color): void
	{
		if (!$color)
		{
			return;
		}
		if (isset($this->arResult['COLORS'][$color]))
		{
			$this->arResult['COLORS'][$color]['base'] = true;
		}
		else
		{
			$this->arResult['COLORS'][$color] = [
				'color' => $color,
				'base' => true,
			];
		}
	}

	/**
	 * Check, is need add color to palette
	 *
	 * @param string|null $color Color code.
	 *
	 * @return bool
	 */
	private function isNeedAddColorToPalette($color): bool
	{
		foreach ($this->arResult['COLORS'] as $key => $value)
		{
			if ($value['color'] === $color)
			{
				return false;
			}
		}
		return true;
	}

	/**
	 * If try to using unknown color - set default from pallete
	 * @param $color - attention: color is the theme code!
	 */
	private function validateColorCode($color)
	{
		// todo: no need, because now color can be null?
		if (!is_string($color))
		{
			return $color;
		}

		$isExist = false;
		foreach ($this->arResult['COLORS'] as $code => $codeInfo)
		{
			if ($codeInfo['color'] === $color)
			{
				$color = $code;
				$isExist = true;
				break;
			}
		}

		if (!isset($this->arResult['COLORS'][$color]) && !$isExist)
		{
			$array = array_keys($this->arResult['COLORS']);
			$color = array_shift($array);
		}

		return $color;
	}

	/**
	 * Is the correct Hex value
	 * @param $color - color
	 *
	 * @return bool
	 */
	public static function isHex($color): bool
	{
		$reg = '/#[0-9a-f]{3}([0-9a-f]{3})?/i';
		if (preg_match($reg, $color))
		{
			return true;
		}
		return false;
	}
}