<?php

namespace Sale\Handlers\DiscountPreset;

use Bitrix\Main\Localization\Loc;
use Bitrix\Sale\Discount\Preset\ArrayHelper;
use Bitrix\Sale\Discount\Preset\Manager;
use Bitrix\Sale\Discount\Preset\SelectProductPreset;
use Bitrix\Sale\Discount\Preset\State;
use Bitrix\Sale\Internals;

class SimpleProduct extends SelectProductPreset
{
	public function getTitle()
	{
		return Loc::getMessage('SALE_HANDLERS_DISCOUNTPRESET_SIMPLEPRODUCT_NAME');
	}

	public function getDescription()
	{
		return '';
	}

	/**
	 * @return int
	 */
	public function getCategory()
	{
		return Manager::CATEGORY_PRODUCTS;
	}

	public function getFirstStepName()
	{
		return 'InputName';
	}

	public function processShowInputName(State $state)
	{
		return $this->processShowInputNameInternal($state);
	}

	public function processSaveInputName(State $state)
	{
		return $this->processSaveInputNameInternal($state, 'InputAmount');
	}

	public function processShowInputAmount(State $state)
	{
		$lid = (string)$state->get('discount_lid');
		$currency = Internals\SiteCurrencyTable::getSiteCurrency($lid);

		$sectionCount = count($state->get('discount_section', []));

		return '
			<table width="100%" border="0" cellspacing="7" cellpadding="0">
				<tbody>
				' . $this->renderDiscountValue($state, $currency) . ' 
				</tbody>
			</table>
			
			<script type="application/javascript">
			BX.ready(function(){
				new BX.Sale.Admin.DiscountPreset.SelectProduct({
					presetId: "' . \CUtil::JSEscape($this->className()) . '",
					siteId: "' . \CUtil::JSEscape($lid) . '",
					sectionCount: ' . $sectionCount . ',
					products: ' . \CUtil::PhpToJSObject($this->generateProductsData($state->get('discount_product'), $lid)) . '
				});
			});
			</script>

			' . $this->renderElementBlock($state) . '
			' . $this->renderSectionBlock($state) . '
		';
	}

	public function processSaveInputAmount(State $state)
	{
		if (!trim((string)$state->get('discount_value')))
		{
			$this->addErrorEmptyActionValue();
		}

		$this->validateSectionsAndProductsState($state, $this->errorCollection);

		if (!$this->errorCollection->isEmpty())
		{
			return [$state, 'InputAmount'];
		}

		return [$state, 'CommonSettings'];
	}

	public function processShowCommonSettings(State $state)
	{
		return $this->processShowCommonSettingsInternal($state);
	}

	public function processSaveCommonSettings(State $state)
	{
		return $this->processSaveCommonSettingsInternal($state);
	}

	public function generateState(array $discountFields)
	{
		$discountFields = $this->normalizeDiscountFields($discountFields);

		$stateFields = [
			'discount_value' => ArrayHelper::getByPath($discountFields, 'ACTIONS.CHILDREN.0.DATA.Value'),
			'discount_type' => ArrayHelper::getByPath($discountFields, 'ACTIONS.CHILDREN.0.DATA.Unit'),
			'discount_section' => $this->getSectionsFromConditions(ArrayHelper::getByPath($discountFields, 'CONDITIONS.CHILDREN.0.CHILDREN')),
			'discount_product' => $this->getProductsFromConditions(ArrayHelper::getByPath($discountFields, 'CONDITIONS.CHILDREN.0.CHILDREN')),
		];

		return parent::generateState($discountFields)->append($stateFields);
	}

	public function generateDiscount(State $state)
	{
		return array_merge(
			parent::generateDiscount($state),
			[
				'CONDITIONS' => [
					'CLASS_ID' => 'CondGroup',
					'DATA' => [
						'All' => 'AND',
						'True' => 'True',
					],
					'CHILDREN' => [
						[
							'CLASS_ID' => 'CondBsktProductGroup',
							'DATA' => [
								'Found' => 'Found',
								'All' => 'OR',
							],
							'CHILDREN' => array_merge(
								$this->generateSectionConditions($state->get('discount_section')),
								$this->generateProductConditions($state->get('discount_product'))
							),
						]
					],
				],
				'ACTIONS' => [
					'CLASS_ID' => 'CondGroup',
					'DATA' => [
						'All' => 'AND',
					],
					'CHILDREN' => [
						[
							'CLASS_ID' => 'ActSaleBsktGrp',
							'DATA' => [
								'Type' => $this->getTypeOfDiscount(),
								'Value' => $state->get('discount_value'),
								'Unit' => $state->get('discount_type', 'CurAll'),
								'Max' => 0,
								'All' => 'OR',
								'True' => 'True',
							],
							'CHILDREN' => [
								$this->generateSectionActions($state->get('discount_section')),
								$this->generateProductActions($state->get('discount_product')),
							],
						],
					],
				],
			]
		);
	}
}