<?php

/**
 * Sanitize checkbox options
 *
 * @since 0.5
 */
function kirki_sanitize_checkbox( $value ) {
	return ( 'on' != $value ) ? false : $value;
}

/**
 * Sanitize number options
 *
 * @since 0.5
 */
function kirki_sanitize_number( $value ) {
	return ( is_int( $value ) || is_float( $value ) ) ? $value : intval( $value );
}

/**
 * Sanitize a value from a list of allowed values.
 *
 * @since 0.5
 *
 * @param  mixed    $input      The value to sanitize.
 * @param  mixed    $setting    The setting for which the sanitizing is occurring.
 */
function kirki_sanitize_choice( $input, $setting ) {

	global $wp_customize;
	$field = $wp_customize->get_control( $setting->id );

	return ( array_key_exists( $input, $field->choices ) ) ? $input : $setting->default;

}

/**
 * Sanitize background repeat values
 *
 * @since 0.5
 */
function kirki_sanitize_bg_repeat( $value ) {
	$i18n = Kirki::i18n();
	$valid = array(
		'no-repeat' => $i18n['no-repeat'],
		'repeat'    => $i18n['repeat-all'],
		'repeat-x'  => $i18n['repeat-x'],
		'repeat-y'  => $i18n['repeat-y'],
		'inherit'   => $i18n['inherit'],
	);

	return ( array_key_exists( $value, $valid ) ) ? $value : 'inherit';

}

/**
 * Sanitize background size values
 *
 * @since 0.5
 */
function kirki_sanitize_bg_size( $value ) {
	$i18n = Kirki::i18n();
	$valid = array(
		'inherit' => $i18n['inherit'],
		'cover'   => $i18n['cover'],
		'contain' => $i18n['contain'],
	);

	return ( array_key_exists( $value, $valid ) ) ? $value : 'inherit';

}

/**
 * Sanitize background attachment values
 *
 * @since 0.5
 */
function kirki_sanitize_bg_attach( $value ) {
	$i18n = Kirki::i18n();
	$valid = array(
		'inherit' => $i18n['inherit'],
		'fixed'   => $i18n['fixed'],
		'scroll'  => $i18n['scroll'],
	);

	return ( array_key_exists( $value, $valid ) ) ? $value : 'inherit';

}

/**
 * Sanitize background position values
 *
 * @since 0.5
 */
function kirki_sanitize_bg_position( $value ) {
	$i18n = Kirki::i18n();
	$valid = array(
		'left-top'      => $i18n['left-top'],
		'left-center'   => $i18n['left-center'],
		'left-bottom'   => $i18n['left-bottom'],
		'right-top'     => $i18n['right-top'],
		'right-center'  => $i18n['right-center'],
		'right-bottom'  => $i18n['right-bottom'],
		'center-top'    => $i18n['center-top'],
		'center-center' => $i18n['center-center'],
		'center-bottom' => $i18n['center-bottom'],
	);

	return ( array_key_exists( $value, $valid ) ) ? $value : 'center-center';

}

/**
 * Sanitize sortable controls
 *
 * @since 0.8.3
 */

function kirki_sanitize_sortable( $value ) {
	if ( is_serialized( $value ) ) {
		return $value;
	} else {
		return serialize( $value );
	}
}
/**
 * DOES NOT SANITIZE ANYTHING.
 *
 * @since 0.5
 */
function kirki_sanitize_unfiltered( $value ) {
	return $value;
}