<?php
/**
 * Builds out customizer options
 *
 * @package 	Customizer_Library
 * @author		Devin Price
 */

if ( ! function_exists( 'customizer_library_register' ) ) :
/**
 * Configure settings and controls for the theme customizer
 *
 * @since  1.0.0.
 *
 * @param  object $wp_customize The global customizer object.
 * @return void
 */
function customizer_library_register( $wp_customize ) {

	$customizer_library = Customizer_Library::Instance();

	$options = $customizer_library->get_options();

	// Bail early if we don't have any options.
	if ( empty( $options ) ) {
		return;
	}

	// Add the panel
	$wp_customize->add_panel( 'theme_options', array(
	    'priority' => 10,
	    'capability' => 'edit_theme_options',
	    'theme_supports' => '',
	    'title' => __( 'Theme Options', 'advocator-lite'  ),
	    'description' => __( 'Theme specific options.', 'advocator-lite'  ),
	) );

	// Add the sections
	if ( isset( $options['sections'] ) ) {
		customizer_library_add_sections( $options['sections'], $wp_customize );
	}

	// Sets the priority for each control added
	$loop = 0;

	// Loops through each of the options
	foreach( $options as $option ) {

		if ( isset( $option['type'] ) ) {

			$loop++;

			// Apply a default sanitization if one isn't set
			if ( ! isset( $option['sanitize_callback'] ) ) {
				$option['sanitize_callback'] = customizer_library_get_sanitization( $option['type'] );
			}

			// Add the setting
			customizer_library_add_setting( $option, $wp_customize );

			// Priority for control
			if ( ! isset( $option['priority'] ) ) {
				$option['priority'] = $loop;
			}

			// Adds control based on control type
			switch ( $option['type'] ) {

				case 'text':
				case 'select':
				case 'radio':
				case 'checkbox':

					$wp_customize->add_control(
						$option['id'], $option
					);

				break;

				case 'color':

					$wp_customize->add_control(
						new WP_Customize_Color_Control(
							$wp_customize, $option['id'], $option
						)
					);

				break;

				case 'image':

					$wp_customize->add_control(
						new WP_Customize_Image_Control(
							$wp_customize,
							$option['id'], array(
								'label'             => $option['label'],
								'section'           => $option['section'],
								'sanitize_callback' => $option['sanitize_callback'],
								'priority'          => $option['priority']
							)
						)
					);

				break;

				case 'upload':

					$wp_customize->add_control(
						new WP_Customize_Upload_Control(
							$wp_customize,
							$option['id'], array(
								'label'             => $option['label'],
								'section'           => $option['section'],
								'sanitize_callback' => $option['sanitize_callback'],
								'priority'          => $option['priority']
							)
						)
					);

				break;

				case 'textarea':

					// Custom control required before WordPress 4.0
					if ( version_compare( $GLOBALS['wp_version'], '3.9.2', '<=' ) ) :

						$wp_customize->add_control(
							new Customizer_Library_Textarea(
								$wp_customize, $option['id'], $option
							)
						);

					else :

						$wp_customize->add_control( 'setting_id', array(
							$wp_customize->add_control(
								$option['id'], $option
							)
						) );

					endif;

				break;
				
				case 'content':
					$wp_customize->add_control(
						new Customizer_Library_Content(
							$wp_customize, $option['id'], $option
						)
					);
				break;


			}
		}
	}
}

endif;

add_action( 'customize_register', 'customizer_library_register', 100 );

/**
 * Add the customizer sections
 *
 * @since  1.2.0.
 *
 * @param  array $option
 * @return void
 */
function customizer_library_add_sections( $sections, $wp_customize )  {

	foreach( $sections as $section ) {

		if ( !isset( $section['description'] ) ) {
			$section['description'] = false;
		}

		$wp_customize->add_section( $section['id'], $section );
	}

}

/**
 * Add the setting and proper sanitization
 *
 * @since  1.2.0.
 *
 * @param  array $option
 * @return void
 */
function customizer_library_add_setting( $option, $wp_customize )  {

	$settings_default = array(
		'default' => null,
		'option_type' => 'theme_mod',
		'capability' => 'edit_theme_options',
		'theme_supports' => null,
		'transport' => null,
		'sanitize_callback' => 'wp_kses_post',
		'sanitize_js_callback' => null
	);

	// Settings defaults
	$settings = array_merge( $settings_default, $option );

	// Arguments for $wp_customize->add_setting
	$wp_customize->add_setting(	$option['id'], array(
			'default' => $settings['default'],
			'type' => $settings['option_type'],
			'capability' => $settings['capability'],
			'theme_supports' => $settings['theme_supports'],
			'transport' => $settings['transport'],
			'sanitize_callback' => $settings['sanitize_callback'],
			'sanitize_js_callback' => $settings['sanitize_js_callback']
		)
	);

}

/**
 * Get default sanitization function for option type
 *
 * @since  1.2.0.
 *
 * @param  array $option
 * @return void
 */
function customizer_library_get_sanitization( $type )  {

	if ( 'select' == $type || 'radio' ==  $type ) {
		return 'customizer_library_sanitize_choices';
	}

	if ( 'checkbox' == $type ) {
		return 'customizer_library_sanitize_checkbox';
	}

	if ( 'color' == $type ) {
		return 'sanitize_hex_color';
	}

	if ( 'upload' == $type || 'image' == $type ) {
		return 'customizer_library_sanitize_file_url';
	}

	if ( 'text' == $type || 'textarea' == $type ) {
		return 'customizer_library_sanitize_text';
	}

	// If a custom option is being used, return false
	return false;
}