<?php

/**
 * Checkbox sanitization callback example.
 *
 * Sanitization callback for 'checkbox' type controls. This callback sanitizes `$checked`
 * as a boolean value, either TRUE or FALSE.
 *
 * @param bool $checked Whether the checkbox is checked.
 * @return bool Whether the checkbox is checked.
 */
function rubik_news_sanitize_checkbox( $checked ) {
	// Boolean check.
	return ( ( isset( $checked ) && true == $checked ) ? true : false );
}

if ( ! function_exists( 'rubik_news_sanitize_select' ) ) {
	/**
	* Sanitize selection
	*
	* @since rubik_news 1.0.0
	*/
	function rubik_news_sanitize_select( $input, $setting ) {
		// Ensure input is a slug.
		$input = sanitize_text_field( $input );
		// Get list of choices from the control associated with the setting.
		$choices = $setting->manager->get_control( $setting->id )->choices;
		// If the input is a valid key, return it; otherwise, return the default.
		return ( array_key_exists( $input, $choices ) ? $input : $setting->default );
	}
}

if ( ! function_exists( 'rubik_news_sanitize_number_range' ) ) {
	/**
	* Sanitize selection
	*
	* @since rubik_news 1.0.0
	*/
	function rubik_news_sanitize_number_range( $input, $setting ) {

		// Ensure input is an absolute integer.
		$input = absint( $input );

		// Get the input attributes associated with the setting.
		$atts = $setting->manager->get_control( $setting->id )->input_attrs;

		// Get min.
		$min = ( isset( $atts['min'] ) ? $atts['min'] : $input );

		// Get max.
		$max = ( isset( $atts['max'] ) ? $atts['max'] : $input );

		// Get Step.
		$step = ( isset( $atts['step'] ) ? $atts['step'] : 1 );

		// If the input is within the valid range, return it; otherwise, return the default.
		return ( $min <= $input && $input <= $max && is_int( $input / $step ) ? $input : $setting->default );

	}
}

/**
 * Return post category choices.
 */
function rubik_news_get_post_category_choices() {
	$choices = array(
		0 => __( 'All Categories', 'rubik-news' ),
	);

	$categories = get_categories(
		array(
			'hide_empty' => false,
		)
	);

	foreach ( $categories as $category ) {
		$choices[ $category->term_id ] = $category->name;
	}

	return $choices;
}