<?php

	/**
	 * Pattern Control
	 *
	 * @author Alex Kovalev <alex.kovalevv@gmail.com>
	 * @copyright (c) 2018, Webcraftic Ltd
	 *
	 * @package factory-forms
	 * @since 3.1.0
	 */

	// Exit if accessed directly
	if( !defined('ABSPATH') ) {
		exit;
	}

	if( !class_exists('Wbcr_FactoryForms440_PatternControl') ) {

		class Wbcr_FactoryForms440_PatternControl extends Wbcr_FactoryForms440_Control {

			public $type = 'pattern';

			public function getName()
			{
				return array(
					$this->getOption('name') . '__url',
					$this->getOption('name') . '__color'
				);
			}

			public function __construct($options, $form, $provider = null)
			{
				parent::__construct($options, $form, $provider);

				if( !isset($options['color']) ) {
					$options['color'] = array();
				}

				$options['color'] = array_merge($options['color'], array(
					'name' => $this->options['name'] . '_color_picker',
					'default' => isset($this->options['default'])
						? $this->options['default']['color']
						: null,
					'pickerTarget' => '.factory-control-' . $this->options['name'] . ' .factory-picker-target'
				));

				if( !$options['color']['default'] ) {
					$options['color']['default'] = '#1e8cbe';
				}

				$name = $this->getOption('name');

				// filters to get available patterns for the given background contols
				$this->patterns = apply_filters('wbcr_factory_forms_440_patterns', array());
				$this->patterns = apply_filters('wbcr_factory_forms_440_patterns-' . $name, $this->patterns);

				$this->custom_patterns = $this->getOption('patterns', array());

				$this->color = new Wbcr_FactoryForms440_ColorControl($options['color'], $form, $provider);
			}

			/**
			 * Shows the html markup of the control.
			 *
			 * @since 1.0.0
			 * @return void
			 */
			public function html()
			{
				$name = $this->getNameOnForm();
				$values = $this->getValue();

				// if a pattern is not set by defaut, sets the first available pattern
				if( empty($values['url']) && !empty($this->patterns) ) {
					foreach($this->patterns as $group_key => $groupValue) {
						if( !empty($this->patterns[$group_key]['patterns']) ) {
							$values['url'] = $this->patterns[$group_key]['patterns'][0]['pattern'];
							break;
						}
					}
				}

				if( !empty($values['color']) ) {
					$this->color->setOption('value', $values['color']);
				}

				$hasColor = !empty($values['color']);

				if( $hasColor ) {
					$this->addCssClass('factory-color-panel-active');
				}

				?>
				<div <?php $this->attrs() ?>>
					<div class="factory-pattern-controls">
						<div class="factory-preview-wrap">
							<div <?php echo (!empty($values['url']))
								? 'style="background:url(' . esc_url($values['url']) . ') repeat; border:0; font-size:0;"'
								: ''; ?> class="factory-preview <?php echo $this->getOption('name'); ?>"><span></span>
							</div>
						</div>
						<a href="#" class="button button-default factory-button factory-change-color-btn <?php if( $hasColor ) {
							echo 'button-active';
						} ?>" title="<?php _e('Change color', 'wbcr_factory_forms_440') ?>">
							<i class="fa fa-flask"></i>
							<span><?php _e('re-color', 'wbcr_factory_forms_440') ?></span>
						</a>
						<input type="hidden" id="<?php echo $name[0]; ?>" name="<?php echo $name[0]; ?>" value="<?php echo esc_url($values['url']); ?>" class="factory-pattern-result">
						<input type="hidden" id="<?php echo $name[1]; ?>" name="<?php echo $name[1]; ?>" value="<?php echo esc_attr($values['color']); ?>" class="factory-color-result">
					</div>
					<div class="factory-color-panel">
						<div class="factory-color-wrap">
							<span class="factory-color-label"><?php _e('Select color:', 'wbcr_factory_forms_440') ?></span>
							<?php $this->color->html() ?>
							<div class="factory-hint">
								<i><?php _e('Changing the color may takes a minute or more. Please be patient.', 'wbcr_factory_forms_440') ?></i>
							</div>
						</div>
						<div class="factory-picker-target"></div>
					</div>
					<div class="factory-patterns-panel">
						<div class="factory-patterns-group factory-patterns-group-custom">
							<?php $this->printPatterns($this->custom_patterns, 4, '<div class="factory-patterns-item factory-upload-btn factory-no-preview"><span class="fa fa-upload"></span></div>') ?>
						</div>
						<?php foreach($this->patterns as $key => $group): ?>
							<?php if( !empty($group['patterns']) ): ?>
								<div class="factory-patterns-group factory-patterns-group-<?php echo $key ?>">
									<div class="factory-patterns-group-title"><?php echo $group['title'] ?></div>
									<?php $this->printPatterns($group['patterns'], 4) ?>
								</div>
							<?php endif; ?>
						<?php endforeach; ?>
					</div>
					<div class="clearfix"></div>
				</div>
			<?php
			}

			/**
			 * @param $patterns
			 * @param $perRow
			 * @param null $first_item
			 */
			private function printPatterns($patterns, $perRow, $first_item = null)
			{
				$counter = 0;
				$print_first_item = $first_item;

				?>
				<div class="factory-patterns-row">
				<?php

				if( $print_first_item ) {
					echo $print_first_item;
					$print_first_item = null;
					$counter++;
				}

				foreach($patterns as $pattern) {
					$counter++;

					?>
					<div class="factory-patterns-item" data-pattern="<?php echo $pattern['pattern']; ?>">
						<div class="factory-pattern-holder" style="background:url(<?php echo $pattern['preview']; ?>) repeat;"></div>
					</div>
					<?php

					if( $counter == 4 ) {
						$counter = 0;
						?>
						</div><div class="factory-patterns-row">
					<?php
					}
				}
				?>
				</div>
			<?php
			}
		}
	}
