<?php
 /**
  * The customizer.php file.
  *
  * Adds the themes options to the customizer. Contains all the panels, options,
  * and sanitization functions used by our customizer settings.
  *
  * @package Best_Reloaded
  * @since Best Reloaded v0.7
  */

add_action( 'customize_register', 'best_reloaded_customizer' );

/**
 * Function to add customizer panels, settings, controls.
 *
 * @param  object $wp_customize	Customizer object to update.
 */
function best_reloaded_customizer( $wp_customize ) {

	$wp_customize->add_panel( 'best_reloaded_theme_settings_panel', array(
		'title'		=> __( 'Best Reloaded Theme Settings', 'best-reloaded' ),
		'priority' 	=> 20,
	) );

	$wp_customize->add_section( 'best_reloaded_navbar', array(
		'title' 	=> __( 'Main Navbar', 'best-reloaded' ),
		'panel'		=> 'best_reloaded_theme_settings_panel',
		'priority' 	=> 94,
	) );
	$wp_customize->add_section( 'best_reloaded_header', array(
		'title' 	=> __( 'Site Title Row', 'best-reloaded' ),
		'panel'		=> 'best_reloaded_theme_settings_panel',
		'priority' 	=> 95,
	) );
	$wp_customize->add_section( 'best_reloaded_other', array(
		'title' 	=> __( 'Sitewide Options', 'best-reloaded' ),
		'panel'		=> 'best_reloaded_theme_settings_panel',
		'priority' 	=> 96,
	) );

	$wp_customize->add_section( 'best_reloaded_frontpage', array(
		'title' 	=> __( 'FrontPage Specific Options', 'best-reloaded' ),
		'panel'		=> 'best_reloaded_theme_settings_panel',
		'priority' 	=> 96,
	) );

	$wp_customize->add_section( 'best_reloaded_slider', array(
		'title'		=> __( 'Slider Settings', 'best-reloaded' ),
		'panel'		=> 'best_reloaded_theme_settings_panel',
		'priority' 	=> 98,
	) );
	$wp_customize->add_section( 'best_reloaded_footer', array(
		'title' 	=> __( 'Footer Options', 'best-reloaded' ),
		'panel'		=> 'best_reloaded_theme_settings_panel',
		'priority' 	=> 100,
	) );
	$wp_customize->add_section( 'best_reloaded_misc', array(
		'title'		=> __( 'Misc Options', 'best-reloaded' ),
		'panel'		=> 'best_reloaded_theme_settings_panel',
		'priority'	=> 100,
	) );
	// Navbar options.
	$wp_customize->add_setting( 'navbar_style', array(
		'default' 			=> 'fixed-top',
		'sanitize_callback' => 'best_reloaded_sanitize_navbar_style',
	) );
	$wp_customize->add_control( 'navbar_style', array(
		'label' 		=> __( 'Navbar Style', 'best-reloaded' ),
		'description' 	=> __( 'Select the style of navbar you want.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_navbar',
		'type' 			=> 'select',
		'choices' 		=> best_reloaded_get_navbar_styles(),
	) );
	$wp_customize->add_setting( 'navbar-color', array(
		'default' 			=> 'navbar-light',
		'sanitize_callback' => 'best_reloaded_sanitize_select',
	) );
	$wp_customize->add_control( 'navbar-color', array(
		'label' 		=> __( 'Navbar Text Color', 'best-reloaded' ),
		'description' 	=> __( 'Select the color items in the navbar.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_navbar',
		'type' 			=> 'select',
		'choices' 		=> best_reloaded_get_navbar_colors(),
	) );
	$wp_customize->add_setting( 'navbar-bg', array(
		'default' 			=> 'bg-light',
		'sanitize_callback' => 'best_reloaded_sanitize_select',
	) );
	$wp_customize->add_control( 'navbar-bg', array(
		'label' 		=> __( 'Navbar Color', 'best-reloaded' ),
		'description' 	=> __( 'Select the color of navbar you want.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_navbar',
		'type' 			=> 'select',
		'choices' 		=> best_reloaded_get_navbar_bgs(),
	) );

	$wp_customize->add_setting( 'display_navbar_search', array(
		'default' 			=> 1,
		'sanitize_callback' => 'best_reloaded_sanitize_checkbox',
	) );
	$wp_customize->add_control( 'display_navbar_search', array(
		'label' 		=> __( 'Toggle on/off the navbar search form.', 'best-reloaded' ),
		'description' 	=> __( 'Search form appears on right side of navbar.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_navbar',
		'settings' 		=> 'display_navbar_search',
		'type' 			=> 'checkbox',
	) );

	$wp_customize->add_setting( 'display_navbar_brand', array(
		'default' 			=> 0,
		'sanitize_callback' => 'best_reloaded_sanitize_checkbox',
	) );
	$wp_customize->add_control( 'display_navbar_brand', array(
		'label' 		=> __( 'Enable the navbar brand.', 'best-reloaded' ),
		'description' 	=> __( 'Branding options can be a small image and the site-title', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_navbar',
		'settings' 		=> 'display_navbar_brand',
		'type' 			=> 'checkbox',
	) );

	$wp_customize->add_setting( 'brand_image', array(
		'default' 			=> '',
		'sanitize_callback' => 'best_reloaded_sanitize_image',
	) );
	$wp_customize->add_control(
		new WP_Customize_Image_Control(
			$wp_customize,
			'brand_image',
			array(
				'label'			=> __( 'Add a brand image to the navbar.', 'best-reloaded' ),
				'section' 		=> 'best_reloaded_navbar',
				'settings' 		=> 'brand_image',
				'description' 	=> __( 'Choose an image to use for brand image in navbar. It should be 30px X 30px. Leave empty for no image.', 'best-reloaded' ),
			)
		)
	);

	$wp_customize->add_setting( 'display_brand_text', array(
		'default' 			=> 0,
		'sanitize_callback' => 'best_reloaded_sanitize_checkbox',
	) );
	$wp_customize->add_control( 'display_brand_text', array(
		'label' 	=> __( 'Display the site title in the navbar as brand text.', 'best-reloaded' ),
		'section' 	=> 'best_reloaded_navbar',
		'settings' 	=> 'display_brand_text',
		'type' 		=> 'checkbox',
	) );

	$wp_customize->add_setting( 'allow_long_brand', array(
		'default' 			=> 0,
		'sanitize_callback' => 'best_reloaded_sanitize_checkbox',
	) );
	$wp_customize->add_control( 'allow_long_brand', array(
		'label'			=> __( 'Allow Long Titles', 'best-reloaded' ),
		'description' 	=> __( 'Very long titles break the default navbar layout, if you want to allow very long titles here then check this box. NOTE: You can also turn off the search form for more space.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_navbar',
		'settings' 		=> 'allow_long_brand',
		'type' 			=> 'checkbox',
	) );

	// site title section options.
	$wp_customize->add_setting( 'small_site_title', array(
		'default' 			=> 0,
		'sanitize_callback' => 'best_reloaded_sanitize_checkbox',
	) );
	$wp_customize->add_control( 'small_site_title', array(
		'label' 		=> __( 'Use smaller font-size for site title.', 'best-reloaded' ),
		'description' 	=> __( 'Note: this is already applied automattically for titles that are too large for the bigger font-size.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_header',
		'settings' 		=> 'small_site_title',
		'type' 			=> 'checkbox',
	) );

	$wp_customize->add_setting( 'display_header_banner_area', array(
		'default' 			=> 0,
		'sanitize_callback' => 'best_reloaded_sanitize_checkbox',

	) );
	$wp_customize->add_control( 'display_header_banner_area', array(
		'label' 		=> __( 'Display Header Banner Area', 'best-reloaded' ),
		'description' 	=> __( 'Toggle on/off the the header banner slot.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_header',
		'settings' 		=> 'display_header_banner_area',
		'type' 			=> 'checkbox',
	) );

	$wp_customize->add_setting( 'header_banner_area', array(
		'default' 			=> '<!-- html accepted -->',
		'sanitize_callback' => 'best_reloaded_sanitize_textarea',

	) );
	$wp_customize->add_control( 'header_banner_area', array(
		'label' 		=> __( 'Header Banner Area', 'best-reloaded' ),
		'description' 	=> __( 'Enter the text you want to show in the header slot. Accepts some basic html.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_header',
		'settings' 		=> 'header_banner_area',
		'type' 			=> 'textarea',
	) );

	// Frontpage specific options.
	$wp_customize->add_setting( 'display_intro_text', array(
		'default' 			=> 1,
		'sanitize_callback' => 'best_reloaded_sanitize_checkbox',
	) );
	$wp_customize->add_control( 'display_intro_text', array(
		'label' 		=> __( 'Display the frontpage intro text.', 'best-reloaded' ),
		'description' 	=> __( 'This intro text is unique to the frontpage.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_frontpage',
		'settings' 		=> 'display_intro_text',
		'type' 			=> 'checkbox',
	) );

	$wp_customize->add_setting( 'intro_text', array(
		'default' 			=> __( 'Welcome to our awesome site!<br/>This space is the perfect place to say a <a href="#">little something</a> about yourself.', 'best-reloaded' ),
		'sanitize_callback' => 'best_reloaded_sanitize_textarea',
	) );
	$wp_customize->add_control( 'intro_text', array(
		'label' 	=> __( 'Frontpage Intro Text', 'best-reloaded' ),
		'section' 	=> 'best_reloaded_frontpage',
		'settings' 	=> 'intro_text',
		'type' 		=> 'textarea',
	) );

	$wp_customize->add_setting( 'display_homepage_widget_row', array(
		'default' 			=> 1,
		'sanitize_callback' => 'best_reloaded_sanitize_checkbox',
	) );
	$wp_customize->add_control( 'display_homepage_widget_row', array(
		'label' 		=> __( 'Display Frontpage Widget Row', 'best-reloaded' ),
		'description' 	=> __( 'A additional row of widgets can be output on the frontapge.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_frontpage',
		'settings' 		=> 'display_homepage_widget_row',
		'type' 			=> 'checkbox',
	) );

	// Slider options.
	$wp_customize->add_setting( 'slider_limit', array(
		'default' 			=> 3,
		'sanitize_callback' => 'absint',
	) );
	$wp_customize->add_control( 'slider_limit', array(
		'label' 		=> __( 'Number of Slides', 'best-reloaded' ),
		'description' 	=> __( 'Set the number of slides you want to appear in the slider.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_slider',
		'settings' 		=> 'slider_limit',
		'type' 			=> 'text',
	) );

	$wp_customize->add_setting( 'slider_category', array(
		'default' 			=> 0,
		'sanitize_callback' => 'best_reloaded_sanitize_cetegory_select',
	) );

	$wp_customize->add_control( 'slider_category', array(
		'label' 		=> __( 'Category For Slider', 'best-reloaded' ),
		'description' 	=> __( 'Choose the category to output for the slider.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_slider',
		'type' 			=> 'select',
		'choices' 		=> best_reloaded_get_categories(),
	) );

	// Other sitewide options.
	$wp_customize->add_setting( 'display_featured_bar', array(
		'default' 			=> 0,
		'sanitize_callback' => 'best_reloaded_sanitize_checkbox',
	) );
	$wp_customize->add_control( 'display_featured_bar', array(
		'label' 	=> __( 'Display Featured Content Bar', 'best-reloaded' ),
		'section' 	=> 'best_reloaded_other',
		'settings' 	=> 'display_featured_bar',
		'type' 		=> 'checkbox',
	) );

	$wp_customize->add_setting( 'featured_bar', array(
		'default' 			=> __( 'Something Important (set background color, image, text, and <a href="#">link</a>)', 'best-reloaded' ),
		'sanitize_callback' => 'best_reloaded_sanitize_textarea',
	) );
	$wp_customize->add_control( 'featured_bar', array(
		'label' 	=> __( 'Feature Bar Content', 'best-reloaded' ),
		'section' 	=> 'best_reloaded_other',
		'settings' 	=> 'featured_bar',
		'type' 		=> 'textarea',
	) );

	// Footer section options.
	$wp_customize->add_setting( 'display_footer_top', array(
		'default' 			=> 1,
		'sanitize_callback' => 'best_reloaded_sanitize_checkbox',
	) );
	$wp_customize->add_control( 'display_footer_top', array(
		'label' 		=> __( 'Display Footer Top', 'best-reloaded' ),
		'description' 	=> __( 'Display the footer widget row.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_footer',
		'settings' 		=> 'display_footer_top',
		'type' 			=> 'checkbox',
	) );

	$wp_customize->add_setting( 'display_footer_bottom', array(
		'default' 			=> 1,
		'sanitize_callback' => 'best_reloaded_sanitize_checkbox',
	) );
	$wp_customize->add_control( 'display_footer_bottom', array(
		'label' 		=> __( 'Display Footer Bottom', 'best-reloaded' ),
		'description' 	=> __( 'Displays the footer bottom row with the tagline or copyrights and the footer nav.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_footer',
		'settings' 		=> 'display_footer_bottom',
		'type' 			=> 'checkbox',
	) );

	$default_tagline = sprintf( __( '&copy; %1$s %2$s', 'best-reloaded' ), date_i18n( __( 'Y', 'best-reloaded' ) ), get_bloginfo( 'name' ) );
	// bottom tagline/copyrights default value is generated.
	$wp_customize->add_setting( 'footer_bottom_tagline', array(
		// translators: 1 is current year, 2 is site name.
		'default' 			=> $default_tagline,
		'sanitize_callback' => 'best_reloaded_sanitize_textarea',
	) );
	$wp_customize->add_control( 'footer_bottom_tagline', array(
		'label' 	=> __( 'Footer Text', 'best-reloaded' ),
		'section' 	=> 'best_reloaded_footer',
		'settings' 	=> 'footer_bottom_tagline',
		'type' 		=> 'textarea',
	) );

	$wp_customize->add_setting( 'layout_selection', array(
		'default' 			=> '',
		'sanitize_callback' => 'best_reloaded_sanitize_layout_selection',
	) );

	$wp_customize->add_control( 'layout_selection', array(
		'label' 		=> __( 'Layout Selection', 'best-reloaded' ),
		'description' 	=> __( 'Choose the layout you want the site to follow.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_other',
		'type' 			=> 'radio',
		'choices' 		=> best_reloaded_get_layout_styles(),
	) );

	$wp_customize->add_setting( 'enable_font-awesome', array(
		'default' 			=> 1,
		'sanitize_callback' => 'best_reloaded_sanitize_checkbox',
	) );
	$wp_customize->add_control( 'enable_font-awesome', array(
		'label' 		=> __( 'Enable Font-Awesome.', 'best-reloaded' ),
		'description' 	=> __( 'Includes the Font-Awesome css and fonts.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_misc',
		'settings' 		=> 'enable_font-awesome',
		'type' 			=> 'checkbox',
	) );

	$wp_customize->add_setting( 'enable_slim_mode', array(
		'default' 			=> 0,
		'sanitize_callback' => 'best_reloaded_sanitize_checkbox',
	) );
	$wp_customize->add_control( 'enable_slim_mode', array(
		'label' 		=> __( 'Enable Slim Mode.', 'best-reloaded' ),
		'description' 	=> __( 'Slim mode uses css and js files that have some features not used in the theme removed. By default the full Bootstrap is included.', 'best-reloaded' ),
		'section' 		=> 'best_reloaded_misc',
		'settings' 		=> 'enable_slim_mode',
		'type' 			=> 'checkbox',
	) );

}

/**
 * Build an array of categories.
 *
 * @return array of site categories as a `term_id` => `name` array.
 */
function best_reloaded_get_categories() {
	// get all the categories.
	$categories = get_categories();
	$categories_array = array();

	// Add entry for all posts.
	$categories_array[0] = 'All Categories';
	// loop though categories and store key as `term_id` and value as `name`.
	foreach ( $categories as $category ) {
		$categories_array[ $category->term_id ] = $category->name;
	}
	// return an array of categories, otherwise empty array.
	return $categories_array;
}

/**
 * Returns an array of possible classnames for use with the navbar.
 *
 * @return array
 */
function best_reloaded_get_navbar_styles() {
	$options = array(
		'fixed-top' => 'Fixed Top',
		'fixed-bottom'	=> 'Fixed Bottom',
		'sticky-top'	=> 'Sticky Top',
	);
	return $options;
}

/**
 * Returns an array of possible classnames for use with the navbar.
 *
 * @return array
 */
function best_reloaded_get_navbar_colors() {
	// note that these classes indicate bg color and modfy color to the oposite.
	$options = array(
		'navbar-light' 	=> 'Dark',
		'navbar-dark'	=> 'Light',
	);
	return $options;
}

/**
 * Returns an array of possible classnames for use with the navbar.
 *
 * @return array
 */
function best_reloaded_get_navbar_bgs() {
	$options = array(
		'bg-light' 		=> 'Light',
		'bg-dark' 		=> 'Dark',
		'bg-secondary' 	=> 'Light Grey',
		'bg-primary' 	=> 'Blue',
		'bg-info' 		=> 'Light Blue',
		'bg-success' 	=> 'Green',
		'bg-danger' 	=> 'Red',
		'bg-warning' 	=> 'Yellow',
	);
	return $options;
}

/**
 * Returns an array of radio buttons for selecting a site layout.
 *
 * @return array
 */
function best_reloaded_get_layout_styles() {
	$options = array(
		''					=> 'Right Sidebar',
		'flex-row-reverse' 	=> 'Left Sidebar',
	);
	return $options;
}

/**
 * Sanitization for textarea field against list of allwed tags in posts.
 *
 * @param string $input 	text area string to sanitize.
 *
 * @return string $output 	sanitized string.
 */
function best_reloaded_sanitize_textarea( $input ) {
	global $allowedposttags;
	$output = wp_kses( $input, $allowedposttags );
	return $output;
}

/**
 * Sanitization for checkbox input
 *
 * @param booleen $input	we either have a value or it's empty to depeict
 *                       	a checkbox state.
 * @return booleen $output
 */
function best_reloaded_sanitize_checkbox( $input ) {
	// Checkbox is booleen, it can only be in 2 states, if we have any input
	// consider it as true otherwise it's false.
	if ( $input ) {
		$output = true;
	} else {
		$output = false;
	}
	return $output;
}

/**
 * Santization for image uploads.
 *
 * @param  string $input	This should be a direct url to an image file.
 *
 * @return string          	Return an excaped url to a file.
 */
function best_reloaded_sanitize_image( $input ) {

	// allowed file types.
	$mimes = array(
		'jpg|jpeg|jpe' => 'image/jpeg',
		'gif'          => 'image/gif',
		'png'          => 'image/png',
	);

	// check file type from file name.
	$file_ext = wp_check_filetype( $input, $mimes );

	// if filetype matches the allowed types set above then cast to output,
	// otherwise pass empty string.
	$output = ( $file_ext['ext'] ? $input : '' );

	// if file has a valid mime type return it as raw url.
	return esc_url_raw( $output );
}

/**
 * Sanitize term ids for select box customizer setting.
 *
 * @param  integer $input   A number representing category id.
 * @param  mixed   $setting Object containeing the info about the
 *                          settings/control that is being sanitized.
 *
 * @return integer
 */
function best_reloaded_sanitize_cetegory_select( $input, $setting ) {

	// input must be a integer.
	$input = absint( $input );
	// get the list of possible select options from setting being sanitized.
	$choices = $setting->manager->get_control( $setting->id )->choices;

	// return input if integer and matching an item in the choices array
	// otherwise return default option.
	return ( array_key_exists( $input, $choices ) ? $input : $setting->default );

}

/**
 * Sanitize navbar classnames for select box customizer setting.
 *
 * @param  srting $input   String containing a classname.
 * @param  mixed  $setting Object containeing the info about the
 *                         settings/control that is being sanitized.
 *
 * @return string containing a classname.
 */
function best_reloaded_sanitize_navbar_style( $input, $setting ) {

	// get the list of possible select options from setting being sanitized.
	$choices = $setting->manager->get_control( $setting->id )->choices;

	// return input if matching an item in the choices array
	// otherwise return default option.
	return ( array_key_exists( $input, $choices ) ? $input : $setting->default );

}

/**
 * Sanitize strings against postible layout selections.
 *
 * @param  srting $input   String containing a layout string.
 * @param  mixed  $setting Object containeing the info about the
 *                         settings/control that is being sanitized.
 *
 * @return string
 */
function best_reloaded_sanitize_layout_selection( $input, $setting ) {

	// get the list of possible select options from setting being sanitized.
	$choices = $setting->manager->get_control( $setting->id )->choices;

	// return input if matching an item in the choices array
	// otherwise return default option.
	return ( array_key_exists( $input, $choices ) ? $input : $setting->default );

}

/**
 * Sanitize navbar classnames for select box customizer setting.
 *
 * @param  srting $input   String containing a classname.
 * @param  mixed  $setting Object containeing the info about the
 *                         settings/control that is being sanitized.
 *
 * @return string containing a classname.
 */
function best_reloaded_sanitize_select( $input, $setting ) {

	// get the list of possible select options from setting being sanitized.
	$choices = $setting->manager->get_control( $setting->id )->choices;

	// return input if matching an item in the choices array
	// otherwise return default option.
	return ( array_key_exists( $input, $choices ) ? $input : $setting->default );

}