<?php
/**
 * Customizer Control: repeater.
 *
 * @package     WFACPKirki
 * @subpackage  Controls
 * @copyright   Copyright (c) 2017, Aristeides Stathopoulos
 * @license     http://opensource.org/licenses/https://opensource.org/licenses/MIT
 * @since       2.0
 */

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

/**
 * Repeater control
 */
if ( ! class_exists( 'WFACPKirki_Control_Repeater' ) ) {
	class WFACPKirki_Control_Repeater extends WFACPKirki_Control_Base {

		/**
		 * The control type.
		 *
		 * @access public
		 * @var string
		 */
		public $type = 'repeater';

		/**
		 * The fields that each container row will contain.
		 *
		 * @access public
		 * @var array
		 */
		public $fields = array();

		/**
		 * Will store a filtered version of value for advenced fields (like images).
		 *
		 * @access protected
		 * @var array
		 */
		protected $filtered_value = array();

		/**
		 * The row label
		 *
		 * @access public
		 * @var array
		 */
		public $row_label = array();

		/**
		 * The button label
		 *
		 * @access public
		 * @var string
		 */
		public $button_label = '';

		/**
		 * Constructor.
		 * Supplied `$args` override class property defaults.
		 * If `$args['settings']` is not defined, use the $id as the setting ID.
		 *
		 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
		 * @param string $id Control ID.
		 * @param array $args {@see WP_Customize_Control::__construct}.
		 */
		public function __construct( $manager, $id, $args = array() ) {

			parent::__construct( $manager, $id, $args );

			// Set up defaults for row labels.
			$this->row_label = array(
				'type'  => 'text',
				'value' => esc_attr__( 'row', 'wfacpkirki' ),
				'field' => false,
			);

			// Validate row-labels.
			$this->row_label( $args );

			if ( empty( $this->button_label ) ) {
				/* translators: %s represents the label of the row. */
				$this->button_label = sprintf( esc_attr__( 'Add new %s', 'wfacpkirki' ), $this->row_label['value'] );
			}

			if ( empty( $args['fields'] ) || ! is_array( $args['fields'] ) ) {
				$args['fields'] = array();
			}

			// An array to store keys of fields that need to be filtered.
			$media_fields_to_filter = array();

			foreach ( $args['fields'] as $key => $value ) {
				if ( ! isset( $value['default'] ) ) {
					$args['fields'][ $key ]['default'] = '';
				}
				if ( ! isset( $value['label'] ) ) {
					$args['fields'][ $key ]['label'] = '';
				}
				$args['fields'][ $key ]['id'] = $key;

				// We check if the filed is an uploaded media ( image , file, video, etc.. ).
				if ( isset( $value['type'] ) ) {
					switch ( $value['type'] ) {
						case 'image':
						case 'cropped_image':
						case 'upload':
							// We add it to the list of fields that need some extra filtering/processing.
							$media_fields_to_filter[ $key ] = true;
							break;

						case 'dropdown-pages':
							// If the field is a dropdown-pages field then add it to args.
							$dropdown = wp_dropdown_pages( array(
									'name'              => '',
									'echo'              => 0,
									'show_option_none'  => esc_attr__( 'Select a Page', 'wfacpkirki' ),
									'option_none_value' => '0',
									'selected'          => '',
								) );
							// Hackily add in the data link parameter.
							$dropdown                           = str_replace( '<select', '<select data-field="' . esc_attr( $args['fields'][ $key ]['id'] ) . '"' . $this->get_link(), $dropdown ); // phpcs:ignore Generic.Formatting.MultipleStatementAlignment.NotSameWarning
							$args['fields'][ $key ]['dropdown'] = $dropdown;
							break;
					}
				}
			} // End foreach().

			$this->fields = $args['fields'];

			// Now we are going to filter the fields.
			// First we create a copy of the value that would be used otherwise.
			$this->filtered_value = $this->value();

			if ( is_array( $this->filtered_value ) && ! empty( $this->filtered_value ) ) {

				// We iterate over the list of fields.
				foreach ( $this->filtered_value as &$filtered_value_field ) {

					if ( is_array( $filtered_value_field ) && ! empty( $filtered_value_field ) ) {

						// We iterate over the list of properties for this field.
						foreach ( $filtered_value_field as $key => &$value ) {

							// We check if this field was marked as requiring extra filtering (in this case image, cropped_images, upload).
							if ( array_key_exists( $key, $media_fields_to_filter ) ) {

								// What follows was made this way to preserve backward compatibility.
								// The repeater control use to store the URL for images instead of the attachment ID.
								// We check if the value look like an ID (otherwise it's probably a URL so don't filter it).
								if ( is_numeric( $value ) ) {

									// "sanitize" the value.
									$attachment_id = (int) $value;

									// Try to get the attachment_url.
									$url = wp_get_attachment_url( $attachment_id );

									$filename = basename( get_attached_file( $attachment_id ) );

									// If we got a URL.
									if ( $url ) {

										// 'id' is needed for form hidden value, URL is needed to display the image.
										$value = array(
											'id'       => $attachment_id,
											'url'      => $url,
											'filename' => $filename,
										);
									}
								}
							}
						}
					}
				} // End foreach().
			} // End if().
		}

		/**
		 * Refresh the parameters passed to the JavaScript via JSON.
		 *
		 * @access public
		 */
		public function to_json() {
			parent::to_json();

			$fields = $this->fields;

			$this->json['fields']    = $fields;
			$this->json['row_label'] = $this->row_label;

			// If filtered_value has been set and is not empty we use it instead of the actual value.
			if ( is_array( $this->filtered_value ) && ! empty( $this->filtered_value ) ) {
				$this->json['value'] = $this->filtered_value;
			}
			$this->json['value'] = apply_filters( "wfacpkirki_controls_repeater_value_{$this->id}", $this->json['value'] );
		}

		/**
		 * Render the control's content.
		 * Allows the content to be overriden without having to rewrite the wrapper in $this->render().
		 *
		 * @access protected
		 */
		protected function render_content() {
			?>
            <label>
				<?php if ( ! empty( $this->label ) ) : ?>
                    <span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
				<?php endif; ?>
				<?php if ( ! empty( $this->description ) ) : ?>
                    <span class="description customize-control-description"><?php echo wp_kses_post( $this->description ); ?></span>
				<?php endif; ?>
                <input type="hidden" {{{ data.inputAttrs }}} value="" <?php echo wp_kses_post( $this->get_link() ); ?> />
            </label>

            <ul class="repeater-fields"></ul>

			<?php if ( isset( $this->choices['limit'] ) ) : ?>
				<?php // @codingStandardsIgnoreLine ?>
				<?php /* translators: %s represents the number of rows we're limiting the repeater to allow. */ ?>
                <p class="limit"><?php printf( esc_attr__( 'Limit: %s rows', 'wfacpkirki' ), esc_html( $this->choices['limit'] ) ); ?></p>
			<?php endif; ?>
            <button class="button-secondary repeater-add"><?php echo esc_html( $this->button_label ); ?></button>

			<?php

			$this->repeater_js_template();

		}

		/**
		 * An Underscore (JS) template for this control's content (but not its container).
		 * Class variables for this control class are available in the `data` JS object.
		 *
		 * @access public
		 */
		public function repeater_js_template() {
			?>
            <script type="text/html" class="customize-control-repeater-content">
                <# var field; var index = data.index; #>

                <li class="repeater-row minimized" data-row="{{{ index }}}">

                    <div class="repeater-row-header">
                        <span class="repeater-row-label"></span>
                        <i class="dashicons dashicons-arrow-down repeater-minimize"></i>
                    </div>
                    <div class="repeater-row-content">
                        <# _.each( data, function( field, i ) { #>

                        <div class="repeater-field repeater-field-{{{ field.type }}} repeater-field-{{ field.id }}">

                            <# if ( 'text' === field.type || 'url' === field.type || 'link' === field.type || 'email' === field.type || 'tel' === field.type || 'date' === field.type || 'number' ===
                            field.type ) { #>
                            <# var fieldExtras = ''; #>
                            <# if ( 'link' === field.type ) { #>
                            <# field.type = 'url' #>
                            <# } #>

                            <# if ( 'number' === field.type ) { #>
                            <# if ( ! _.isUndefined( field.choices ) && ! _.isUndefined( field.choices.min ) ) { #>
                            <# fieldExtras += ' min="' + field.choices.min + '"'; #>
                            <# } #>
                            <# if ( ! _.isUndefined( field.choices ) && ! _.isUndefined( field.choices.max ) ) { #>
                            <# fieldExtras += ' max="' + field.choices.max + '"'; #>
                            <# } #>
                            <# if ( ! _.isUndefined( field.choices ) && ! _.isUndefined( field.choices.step ) ) { #>
                            <# fieldExtras += ' step="' + field.choices.step + '"'; #>
                            <# } #>
                            <# } #>

                            <label>
                                <# if ( field.label ) { #><span class="customize-control-title">{{{ field.label }}}</span><# } #>
                                <# if ( field.description ) { #><span class="description customize-control-description">{{{ field.description }}}</span><# } #>
                                <input type="{{field.type}}" name="" value="{{{ field.default }}}" data-field="{{{ field.id }}}" {{ fieldExtras }}>
                            </label>

                            <# } else if ( 'number' === field.type ) { #>

                            <label>
                                <# if ( field.label ) { #><span class="customize-control-title">{{{ field.label }}}</span><# } #>
                                <# if ( field.description ) { #><span class="description customize-control-description">{{{ field.description }}}</span><# } #>
                                <input type="{{ field.type }}" name="" value="{{{ field.default }}}" data-field="{{{ field.id }}}" {{ numberFieldExtras }}>
                            </label>

                            <# } else if ( 'hidden' === field.type ) { #>

                            <input type="hidden" data-field="{{{ field.id }}}" <# if ( field.default ) { #> value="{{{ field.default }}}" <# } #> />

                            <# } else if ( 'checkbox' === field.type ) { #>

                            <label>
                                <input type="checkbox" value="{{{ field.default }}}" data-field="{{{ field.id }}}" <# if ( field.default ) { #> checked="checked" <# } #> /> {{{ field.label }}}
                                <# if ( field.description ) { #>{{{ field.description }}}<# } #>
                            </label>

                            <# } else if ( 'select' === field.type ) { #>

                            <label>
                                <# if ( field.label ) { #><span class="customize-control-title">{{{ field.label }}}</span><# } #>
                                <# if ( field.description ) { #><span class="description customize-control-description">{{{ field.description }}}</span><# } #>
                                <select data-field="{{{ field.id }}}"<# if ( ! _.isUndefined( field.multiple ) && false !== field.multiple ) { #> multiple="multiple" data-multiple="{{ field.multiple
                                }}"<# } #>>
                                <# _.each( field.choices, function( choice, i ) { #>
                                <option value="{{{ i }}}"
                                <# if ( -1 !== jQuery.inArray( i, field.default ) || field.default == i ) { #> selected="selected" <# } #>>{{ choice }}</option>
                                <# }); #>
                                </select>
                            </label>

                            <# } else if ( 'dropdown-pages' === field.type ) { #>

                            <label>
                                <# if ( field.label ) { #><span class="customize-control-title">{{{ data.label }}}</span><# } #>
                                <# if ( field.description ) { #><span class="description customize-control-description">{{{ field.description }}}</span><# } #>
                                <div class="customize-control-content repeater-dropdown-pages">{{{ field.dropdown }}}</div>
                            </label>

                            <# } else if ( 'radio' === field.type ) { #>

                            <label>
                                <# if ( field.label ) { #><span class="customize-control-title">{{{ field.label }}}</span><# } #>
                                <# if ( field.description ) { #><span class="description customize-control-description">{{{ field.description }}}</span><# } #>

                                <# _.each( field.choices, function( choice, i ) { #>
                                <label><input type="radio" name="{{{ field.id }}}{{ index }}" data-field="{{{ field.id }}}" value="{{{ i }}}" <# if ( field.default == i ) { #> checked="checked" <# }
                                    #>> {{ choice }} <br/></label>
                                <# }); #>
                            </label>

                            <# } else if ( 'radio-image' === field.type ) { #>

                            <label>
                                <# if ( field.label ) { #><span class="customize-control-title">{{{ field.label }}}</span><# } #>
                                <# if ( field.description ) { #><span class="description customize-control-description">{{{ field.description }}}</span><# } #>

                                <# _.each( field.choices, function( choice, i ) { #>
                                <input type="radio" id="{{{ field.id }}}_{{ index }}_{{{ i }}}" name="{{{ field.id }}}{{ index }}" data-field="{{{ field.id }}}" value="{{{ i }}}" <# if ( field.default
                                == i ) { #> checked="checked" <# } #>>
                                <label for="{{{ field.id }}}_{{ index }}_{{{ i }}}"><img src="{{ choice }}"></label>
                                </input>
                                <# }); #>
                            </label>
                            <# } else if ( 'radio-icon' === field.type ) { #>

                            <label>
                                <# if ( field.label ) { #><span class="customize-control-title">{{{ field.label }}}</span><# } #>
                                <# if ( field.description ) { #><span class="description customize-control-description">{{{ field.description }}}</span><# } #>

                                <# _.each( field.choices, function( choice, i ) { #>
                                <input type="radio" id="{{{ field.id }}}_{{ index }}_{{{ i }}}" name="{{{ field.id }}}{{ index }}" data-field="{{{ field.id }}}" value="{{{ i }}}" <# if ( field.default
                                == i ) { #> checked="checked" <# } #>>
                                <label for="{{{ field.id }}}_{{ index }}_{{{ i }}}" class="abc"><span class="dashicons {{ choice }}"></span></label>
                                </input>
                                <# }); #>
                            </label>

                            <# } else if ( 'color' === field.type ) { #>

                            <label>
                                <# if ( field.label ) { #><span class="customize-control-title">{{{ field.label }}}</span><# } #>
                                <# if ( field.description ) { #><span class="description customize-control-description">{{{ field.description }}}</span><# } #>
                            </label>
                            <# var defaultValue = '';
                            if ( field.default ) {
                            if ( -1 === field.default.indexOf( 'rgba' ) ) {
                            defaultValue = ( '#' !== field.default.substring( 0, 1 ) ) ? '#' + field.default : field.default;
                            defaultValue = ' data-default-color=' + defaultValue; // Quotes added automatically.
                            } else {
                            defaultValue = ' data-default-color="' + defaultValue + '" data-alpha="true"';
                            }
                            } #>
                            <input class="color-picker-hex" type="text" maxlength="7" placeholder="<?php esc_attr_e( 'Hex Value', 'wfacpkirki' ); ?>" value="{{{ field.default }}}" data-field="{{{ field.id }}}" {{ defaultValue }}/>

                            <# } else if ( 'textarea' === field.type ) { #>

                            <# if ( field.label ) { #><span class="customize-control-title">{{{ field.label }}}</span><# } #>
                            <# if ( field.description ) { #><span class="description customize-control-description">{{{ field.description }}}</span><# } #>
                            <textarea rows="5" data-field="{{{ field.id }}}">{{ field.default }}</textarea>

                            <# } else if ( field.type === 'image' || field.type === 'cropped_image' ) { #>

                            <label>
                                <# if ( field.label ) { #><span class="customize-control-title">{{{ field.label }}}</span><# } #>
                                <# if ( field.description ) { #><span class="description customize-control-description">{{{ field.description }}}</span><# } #>
                            </label>

                            <figure class="wfacpkirki-image-attachment" data-placeholder="<?php esc_attr_e( 'No Image Selected', 'wfacpkirki' ); ?>">
                                <# if ( field.default ) { #>
                                <# var defaultImageURL = ( field.default.url ) ? field.default.url : field.default; #>
                                <img src="{{{ defaultImageURL }}}">
                                <# } else { #>
								<?php esc_attr_e( 'No Image Selected', 'wfacpkirki' ); ?>
                                <# } #>
                            </figure>

                            <div class="actions">
                                <button type="button" class="button remove-button<# if ( ! field.default ) { #> hidden<# } #>"><?php esc_attr_e( 'Remove', 'wfacpkirki' ); ?></button>
                                <button type="button" class="button upload-button" data-label=" <?php esc_attr_e( 'Add Image', 'wfacpkirki' ); ?>" data-alt-label="<?php echo esc_attr_e( 'Change Image', 'wfacpkirki' ); ?>">
                                    <# if ( field.default ) { #>
									<?php esc_attr_e( 'Change Image', 'wfacpkirki' ); ?>
                                    <# } else { #>
									<?php esc_attr_e( 'Add Image', 'wfacpkirki' ); ?>
                                    <# } #>
                                </button>
                                <# if ( field.default.id ) { #>
                                <input type="hidden" class="hidden-field" value="{{{ field.default.id }}}" data-field="{{{ field.id }}}">
                                <# } else { #>
                                <input type="hidden" class="hidden-field" value="{{{ field.default }}}" data-field="{{{ field.id }}}">
                                <# } #>
                            </div>

                            <# } else if ( field.type === 'upload' ) { #>

                            <label>
                                <# if ( field.label ) { #><span class="customize-control-title">{{{ field.label }}}</span><# } #>
                                <# if ( field.description ) { #><span class="description customize-control-description">{{{ field.description }}}</span><# } #>
                            </label>

                            <figure class="wfacpkirki-file-attachment" data-placeholder="<?php esc_attr_e( 'No File Selected', 'wfacpkirki' ); ?>">
                                <# if ( field.default ) { #>
                                <# var defaultFilename = ( field.default.filename ) ? field.default.filename : field.default; #>
                                <span class="file"><span class="dashicons dashicons-media-default"></span> {{ defaultFilename }}</span>
                                <# } else { #>
								<?php esc_attr_e( 'No File Selected', 'wfacpkirki' ); ?>
                                <# } #>
                            </figure>

                            <div class="actions">
                                <button type="button" class="button remove-button<# if ( ! field.default ) { #> hidden<# } #>"></button>
                                <button type="button" class="button upload-button" data-label="<?php esc_attr_e( 'Add File', 'wfacpkirki' ); ?>" data-alt-label="<?php esc_attr_e( 'Change File', 'wfacpkirki' ); ?>">
                                    <# if ( field.default ) { #>
									<?php esc_attr_e( 'Change File', 'wfacpkirki' ); ?>
                                    <# } else { #>
									<?php esc_attr_e( 'Add File', 'wfacpkirki' ); ?>
                                    <# } #>
                                </button>
                                <# if ( field.default.id ) { #>
                                <input type="hidden" class="hidden-field" value="{{{ field.default.id }}}" data-field="{{{ field.id }}}">
                                <# } else { #>
                                <input type="hidden" class="hidden-field" value="{{{ field.default }}}" data-field="{{{ field.id }}}">
                                <# } #>
                            </div>

                            <# } else if ( 'custom' === field.type ) { #>

                            <# if ( field.label ) { #><span class="customize-control-title">{{{ field.label }}}</span><# } #>
                            <# if ( field.description ) { #><span class="description customize-control-description">{{{ field.description }}}</span><# } #>
                            <div data-field="{{{ field.id }}}">{{{ field.default }}}</div>

                            <# } #>

                        </div>
                        <# }); #>
                        <button type="button" class="button-link repeater-row-remove"><?php esc_attr_e( 'Remove', 'wfacpkirki' ); ?></button>
                    </div>
                </li>
            </script>
			<?php
		}

		/**
		 * Validate row-labels.
		 *
		 * @access protected
		 *
		 * @param array $args {@see WP_Customize_Control::__construct}.
		 *
		 * @since 3.0.0
		 */
		protected function row_label( $args ) {

			// Validating args for row labels.
			if ( isset( $args['row_label'] ) && is_array( $args['row_label'] ) && ! empty( $args['row_label'] ) ) {

				// Validating row label type.
				if ( isset( $args['row_label']['type'] ) && ( 'text' === $args['row_label']['type'] || 'field' === $args['row_label']['type'] ) ) {
					$this->row_label['type'] = $args['row_label']['type'];
				}

				// Validating row label type.
				if ( isset( $args['row_label']['value'] ) && ! empty( $args['row_label']['value'] ) ) {
					$this->row_label['value'] = esc_attr( $args['row_label']['value'] );
				}

				// Validating row label field.
				if ( isset( $args['row_label']['field'] ) && ! empty( $args['row_label']['field'] ) && isset( $args['fields'][ esc_attr( $args['row_label']['field'] ) ] ) ) {
					$this->row_label['field'] = esc_attr( $args['row_label']['field'] );
				} else {
					// If from field is not set correctly, making sure standard is set as the type.
					$this->row_label['type'] = 'text';
				}
			}
		}
	}
}