<?php
/**
 * Range filter class
 */

// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
	die;
}

if ( ! class_exists( 'Jet_Smart_Filters_Range_Filter' ) ) {

	/**
	 * Define Jet_Smart_Filters_Range_Filter class
	 */
	class Jet_Smart_Filters_Range_Filter extends Jet_Smart_Filters_Filter_Base {

		/**
		 * Get provider name
		 *
		 * @return string
		 */
		public function get_name() {
			return __( 'Range', 'jet-smart-filters' );
		}

		/**
		 * Get provider ID
		 *
		 * @return string
		 */
		public function get_id() {
			return 'range';
		}

		/**
		 * Get provider wrapper selector
		 *
		 * @return string
		 */
		public function get_scripts() {
			return false;
		}

		private function max_value_for_current_step($max, $min, $step) {

			if ( $step === 1 ) {
				return $max;
			}

			$steps_count = ceil( ( $max - $min ) / $step );

			return $steps_count * $step + $min;

		}

		/**
		 * Prepare filter template argumnets
		 *
		 * @param  [type] $args [description]
		 * @return [type]       [description]
		 */
		public function prepare_args( $args ) {

			$filter_id            = $args['filter_id'];
			$content_provider     = isset( $args['content_provider'] ) ? $args['content_provider'] : false;
			$additional_providers = isset( $args['additional_providers'] ) ? $args['additional_providers'] : false;
			$apply_type           = isset( $args['apply_type'] ) ? $args['apply_type'] : false;

			if ( ! $filter_id ) {
				return false;
			}

			$query_type     = 'meta_query';
			$query_var      = get_post_meta( $filter_id, '_query_var', true );
			$inputs_enabled = filter_var( get_post_meta( $filter_id, '_range_inputs_enabled', true ), FILTER_VALIDATE_BOOLEAN );
			$prefix         = get_post_meta( $filter_id, '_values_prefix', true );
			$suffix         = get_post_meta( $filter_id, '_values_suffix', true );
			$source_cb      = get_post_meta( $filter_id, '_source_callback', true );
			$min            = false;
			$max            = false;
			$step           = get_post_meta( $filter_id, '_source_step', true );
			$format         = array();

			if ( ! $step ) {
				$step = 1;
			}

			$format['thousands_sep'] = get_post_meta( $filter_id, '_values_thousand_sep', true );
			$format['decimal_sep']   = get_post_meta( $filter_id, '_values_decimal_sep', true );
			$format['decimal_num']   = get_post_meta( $filter_id, '_values_decimal_num', true );
			$format['decimal_num']   = absint( $format['decimal_num'] );

			if ( is_callable( $source_cb ) ) {
				$data = call_user_func( $source_cb, array( 'key' => $query_var ) );
				$min  = isset( $data['min'] ) ? $data['min'] : false;
				$max  = isset( $data['max'] ) ? $this->max_value_for_current_step( $data['max'], $min, $step) : false;
			}

			if ( false === $min ) {
				$min = (float)get_post_meta( $filter_id, '_source_min', true );
			}

			if ( false === $max ) {
				$max = (float)get_post_meta( $filter_id, '_source_max', true );

				if ( !$max ) {
					$max = 100;
				}
			}

			return array(
				'options'              => false,
				'min'                  => $min,
				'max'                  => $max,
				'step'                 => $step,
				'format'               => $format,
				'query_type'           => $query_type,
				'query_var'            => $query_var,
				'query_var_suffix'     => jet_smart_filters()->filter_types->get_filter_query_var_suffix( $filter_id ),
				'content_provider'     => $content_provider,
				'additional_providers' => $additional_providers,
				'apply_type'           => $apply_type,
				'inputs_enabled'       => $inputs_enabled,
				'prefix'               => jet_smart_filters_macros( $prefix ),
				'suffix'               => jet_smart_filters_macros( $suffix ),
				'filter_id'            => $filter_id,
			);

		}

		public function additional_filter_data_atts( $args ) {

			$additional_filter_data_atts = array();

			if ( ! empty( $args['format'] ) ) $additional_filter_data_atts['data-format'] = $args['format'];

			return $additional_filter_data_atts;

		}

	}

}
