<?php

namespace Bitrix\Iblock\BizprocType;

use Bitrix\Main,
	Bitrix\Bizproc\BaseType,
	Bitrix\Bizproc\FieldType,
	Bitrix\Main\Localization\Loc;
use Bitrix\Main\Loader;

if (Loader::requireModule('bizproc'))
{
	class UserTypePropertyHtml extends UserTypeProperty
	{

		/**
		 * @param FieldType $fieldType Document field object.
		 * @param mixed $value Field value.
		 * @param string $toTypeClass Type class manager name.
		 * @return null|mixed
		 */
		public static function convertTo(FieldType $fieldType, $value, $toTypeClass)
		{
			if (is_array($value) && isset($value['VALUE']))
				$value = $value['VALUE'];
			if (is_array($value) && isset($value['TEXT']))
				$value = $value['TEXT'];

			return parent::convertTo($fieldType, $value, $toTypeClass);
		}

		/**
		 * @param FieldType $fieldType Document field object.
		 * @param mixed $value Field value.
		 * @param string $fromTypeClass Type class manager name.
		 * @return null
		 */
		public static function convertFrom(FieldType $fieldType, $value, $fromTypeClass)
		{
			if ($value === null)
				return null;

			/** @var BaseType\Base $fromTypeClass */
			$type = $fromTypeClass::getType();
			switch ($type)
			{
				case FieldType::BOOL:
				case FieldType::DATE:
				case FieldType::DATETIME:
				case FieldType::DOUBLE:
				case FieldType::INT:
				case FieldType::INTERNALSELECT:
				case FieldType::SELECT:
				case FieldType::STRING:
				case FieldType::TEXT:
				case FieldType::USER:
					$value = array('TYPE' => 'text', 'TEXT' => (string) $value);
					break;
				default:
					$value = null;
			}

			return $value;
		}

		/**
		 * Return conversion map for current type.
		 * @return array Map.
		 */
		public static function getConversionMap()
		{
			$parentMap = parent::getConversionMap();
			return array(
				$parentMap[0],
				array(
					FieldType::BOOL,
					FieldType::DATE,
					FieldType::DATETIME,
					FieldType::DOUBLE,
					FieldType::INT,
					FieldType::INTERNALSELECT,
					FieldType::SELECT,
					FieldType::STRING,
					FieldType::TEXT,
					FieldType::USER
				)
			);
		}

		/**
		 * @param FieldType $fieldType
		 * @param $value
		 * @return string
		 */
		protected static function formatValuePrintable(FieldType $fieldType, $value)
		{
			if (is_array($value) && isset($value['VALUE']))
				$value = $value['VALUE'];
			if (is_array($value) && isset($value['TEXT']))
				$value = $value['TEXT'];

			return HTMLToTxt(htmlspecialcharsback((string)$value));
		}

		/**
		 * Low-level control rendering method
		 * @param FieldType $fieldType
		 * @param array $field
		 * @param mixed $value
		 * @param bool $allowSelection
		 * @param int $renderMode
		 * @return string - HTML rendering
		 */
		protected static function renderControl(FieldType $fieldType, array $field, $value, $allowSelection, $renderMode)
		{
			$name = static::generateControlName($field);
			$controlId = static::generateControlId($field);

			if (is_array($value) && isset($value['VALUE']))
				$value = $value['VALUE'];
			if (is_array($value) && isset($value['TEXT']))
				$value = $value['TEXT'];

			return \CBPViewHelper::getHtmlEditor($controlId, $name, $value);
		}

		/**
		 * @param FieldType $fieldType Document field object.
		 * @param array $field Form field information.
		 * @param mixed $value Field value.
		 * @param bool $allowSelection Allow selection flag.
		 * @param int $renderMode Control render mode.
		 * @return string
		 */
		public static function renderControlSingle(FieldType $fieldType, array $field, $value, $allowSelection, $renderMode)
		{
			$selectorValue = null;
			if (\CBPActivity::isExpression($value))
			{
				$selectorValue = $value;
				$value = null;
			}

			$renderResult = static::renderControl($fieldType, $field, $value, $allowSelection, $renderMode);

			if ($allowSelection)
			{
				$renderResult .= static::renderControlSelector($field, $selectorValue, true, '', $fieldType);
			}

			return $renderResult;
		}

		/**
		 * @param FieldType $fieldType Document field object.
		 * @param array $field Form field information.
		 * @param mixed $value Field value.
		 * @param bool $allowSelection Allow selection flag.
		 * @param int $renderMode Control render mode.
		 * @return string
		 */
		public static function renderControlMultiple(FieldType $fieldType, array $field, $value, $allowSelection, $renderMode)
		{
			$selectorValue = null;
			$typeValue = array();
			if (!is_array($value) || is_array($value) && \CBPHelper::isAssociativeArray($value))
				$value = array($value);

			foreach ($value as $v)
			{
				if (\CBPActivity::isExpression($v))
					$selectorValue = $v;
				else
					$typeValue[] = $v;
			}
			// need to show at least one control
			if (empty($typeValue))
				$typeValue[] = null;

			$controls = array();

			foreach ($typeValue as $k => $v)
			{
				$singleField = $field;
				$singleField['Index'] = $k;
				$controls[] = static::renderControl(
					$fieldType,
					$singleField,
					$v,
					$allowSelection,
					$renderMode
				);
			}

			$renderResult = static::wrapCloneableControls($controls, static::generateControlName($field));

			if ($allowSelection)
			{
				$renderResult .= static::renderControlSelector($field, $selectorValue, true, '', $fieldType);
			}

			return $renderResult;
		}

		/**
		 * @param array $controls
		 * @param string $wrapperId
		 * @return string
		 */
		protected static function wrapCloneableControls(array $controls, $wrapperId)
		{
			$wrapperId = Main\Text\HtmlFilter::encode((string)$wrapperId);
			$renderResult = '<table width="100%" border="0" cellpadding="2" cellspacing="2" id="BizprocCloneable_'
				.$wrapperId.'">';

			foreach ($controls as $control)
			{
				$renderResult .= '<tr><td>'.$control.'</td></tr>';
			}
			$renderResult .= '</table>';
			$renderResult .= '<input type="button" value="'.Loc::getMessage('BPDT_BASE_ADD')
				.'" onclick="BX.Bizproc.cloneTypeControlHtml(\'BizprocCloneable_'
				.$wrapperId.'\', \''.$wrapperId.'\')"/><br />';

			return $renderResult;
		}

		public static function externalizeValue(FieldType $fieldType, $context, $value)
		{
			if (is_array($value) && isset($value['TEXT']) && !is_scalar($value['TEXT']))
			{
				return is_object($value['TEXT']) && method_exists($value['TEXT'], '__toString')
					? (string)$value['TEXT']
					: ''
				;
			}

			return parent::externalizeValue($fieldType, $context, $value);
		}

		protected static function generateControlName(array $field)
		{
			$name = $field['Field'];
			$index = isset($field['Index']) ? (int)$field['Index'] : null;
			if ($index !== null)
			{
				$name .= "[n{$field['Index']}]";
			}

			return $name;
		}
	}
}