<?php
/**
 * Customizer Sanization
 *
 * @package    Customizer_Library
 * @author        Devin Price, The Theme Foundry
 */

if (!function_exists('customizer_library_sanitize_text')) :
    /**
     * Sanitize a string to allow only tags in the allowedtags array.
     *
     * @since  1.0.0.
     *
     * @param  string $string The unsanitized string.
     * @return string               The sanitized string.
     */
    function customizer_library_sanitize_text($string)
    {
        global $allowedtags;
        return wp_kses($string, $allowedtags);
    }
endif;

if (!function_exists('customizer_library_sanitize_checkbox')) :
    /**
     * Sanitize a checkbox to only allow 0 or 1
     *
     * @since  1.0.0.
     *
     * @param  boolean $value The unsanitized value.
     * @return boolean                The sanitized boolean.
     */
    function customizer_library_sanitize_checkbox($value)
    {
        if ($value == 1) {
            return 1;
        } else {
            return 0;
        }
    }
endif;

if (!function_exists('customizer_library_sanitize_choices')) :
    /**
     * Sanitize a value from a list of allowed values.
     *
     * @since 1.0.0.
     *
     * @param  mixed $value The value to sanitize.
     * @param  mixed $setting The setting for which the sanitizing is occurring.
     * @return mixed                The sanitized value.
     */
    function customizer_library_sanitize_choices($value, $setting)
    {
        if (is_object($setting)) {
            $setting = $setting->id;
        }

        $choices = customizer_library_get_choices($setting);
        $allowed_choices = array_keys($choices);

        if (!in_array($value, $allowed_choices)) {
            $value = customizer_library_get_default($setting);
        }

        return $value;
    }
endif;

if (!function_exists('customizer_library_sanitize_file_url')) :
    /**
     * Sanitize the url of uploaded media.
     *
     * @since 1.0.0.
     *
     * @param  string $value The url to sanitize
     * @return string    $output     The sanitized url.
     */
    function customizer_library_sanitize_file_url($url)
    {

        $output = '';

        $filetype = wp_check_filetype($url);
        if ($filetype["ext"]) {
            $output = esc_url_raw($url);
        }

        return $output;
    }
endif;

if (!function_exists('sanitize_hex_color')) :
    /**
     * Sanitizes a hex color.
     *
     * Returns either '', a 3 or 6 digit hex color (with #), or null.
     * For sanitizing values without a #, see sanitize_hex_color_no_hash().
     *
     * @since 3.4.0
     *
     * @param string $color
     * @return string|null
     */
    function sanitize_hex_color($color)
    {
        if ('' === $color) {
            return '';
        }

        // 3 or 6 hex digits, or the empty string.
        if (preg_match('|^#([A-Fa-f0-9]{3}){1,2}$|', $color)) {
            return $color;
        }

        return null;
    }
endif;

if (!function_exists('customizer_library_sanitize_range')) :
    /**
     * Sanitizes a range value
     *
     * @since 1.3.0
     *
     * @param string $color
     * @return string|null
     */
    function customizer_library_sanitize_range($value)
    {

        if (is_numeric($value)) {
            return $value;
        }

        return 0;
    }
endif;