<?php
/**
 * Search & Filter Pro
 *
 * @package   Search_Filter_Generate_Input
 * @author    Ross Morsali
 * @link      https://searchandfilter.com
 * @copyright 2018 Search & Filter
 */

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

class Search_Filter_Field_Posts_Per_Page extends Search_Filter_Field_Base {

	public function get( $field_data ) {
		$field_name = SF_FPRE . 'ppp';

		$fields_defaults = $this->current_query->get_field_values( '_sf_ppp' );
		// $fields_defaults = $this->current_query->get_field_values("sort_order");

		if ( count( $fields_defaults ) == 0 ) {
			$fields_defaults = array( '' );
		}

		$search_form_id = $this->sfid;

		$returnvar = '';

		// set defaults so no chance of any php errors when accessing un init vars
		$defaults = array(
			'input_type'          => 'select',
			'all_items_label'     => '',
			'accessibility_label' => '',
			'ppp_min'             => '25',
			'ppp_max'             => '100',
			'ppp_step'            => '25',
			'options'             => array(),
		);

		$values = array_replace( $defaults, $field_data );

		$args = array();

		$args = array( 'show_default_option_sf' => false );

		if ( $field_data['all_items_label'] == '' ) {
			if ( $values['input_type'] == 'select' ) {
				$args['show_option_all_sf'] = __( 'Results Per Page ', $this->plugin_slug );
			} elseif ( $values['input_type'] == 'radio' ) {
				$args['show_option_all_sf'] = __( 'Results Per Page', $this->plugin_slug );
			}
		} else {
			$args['show_option_all_sf'] = $field_data['all_items_label'];
		}

		$attributes = array();

		/*
		if($values['combo_box']==1)
		{
			$attributes['data-combobox'] = '1';
		}*/

		$args['show_default_option_sf'] = true;
		$args['ppp_min']                = $values['ppp_min'];
		$args['ppp_max']                = $values['ppp_max'];
		$args['ppp_step']               = $values['ppp_step'];

		$input_args = array(
			'name'       => $field_name,
			'defaults'   => $fields_defaults,
			'attributes' => $attributes,
			'options'    => array(),
		);

		if ( $values['input_type'] == 'select' ) {
			$args['show_default_option_sf']    = true;
			$input_args['options']             = $this->get_options( $args );
			$input_args['attributes']          = $attributes;
			$input_args['accessibility_label'] = $values['accessibility_label'];

			$returnvar .= $this->create_input->select( $input_args );
		} elseif ( $values['input_type'] == 'radio' ) {
			// setup any custom attributes
			// $attributes = array();

			// finalise input args object
			$args['show_default_option_sf'] = true;
			$input_args['options']          = $this->get_options( $args );
			$input_args['attributes']       = $attributes;

			$returnvar .= $this->create_input->radio( $input_args );

		}

		// $returnvar .= $this->create_input->generate_select($taxonomychildren, $field_name, $defaults, $values['all_items_label']);

		return $returnvar;
	}

	public function get_options( $args ) {
		$options = array();

		$show_option_all_sf     = $args['show_option_all_sf'];
		$show_default_option_sf = $args['show_default_option_sf'];

		if ( ( isset( $show_option_all_sf ) ) && ( $show_default_option_sf == true ) ) {
			$default_option             = new stdClass();
			$default_option->label      = $show_option_all_sf;
			$default_option->attributes = array(
				'class' => SF_CLASS_PRE . 'level-0 ' . SF_ITEM_CLASS_PRE . '0',
			);
			$default_option->value      = '';

			array_push( $options, $default_option );
		}

		$startval = $args['ppp_min'];
		$endval   = $args['ppp_max'];
		$step     = $args['ppp_step'];
		$diff     = $endval - $startval;
		$istep    = ceil( $diff / $step );

		for ( $i = 0; $i <= ( $istep ); $i++ ) {
			$option_value = $startval + ( $i * $step );
			/*
			$option_top_value = ($option_value + $step - 1);

			if($option_top_value>$endval)
			{
				$option_top_value = $endval;
			}*/

			// $input_id = SF_INPUT_ID_PRE.sanitize_html_class($name."_".$option_value);

			$option_label = $option_value;// ." - ".$option_top_value;

			$option             = new stdClass();
			$option->label      = $option_label;
			$option->attributes = array(
				'class' => SF_CLASS_PRE . 'level-0 ',
			);
			$option->value      = $option_value;

			array_push( $options, $option );

		}

		return $options;
	}
}
