<?php
/**
 * Abedul customization 
 *
 * @package Abedul
 * @since Abedul 1.0.4
 */

/**
 * Implement Customizer additions and adjustments.
 *
 * @since Abedul 1.0.4
 *
 * @param WP_Customize_Manager $wp_customize Customizer object.
 */

function abedul_customize_register ($wp_customize) {

	$wp_customize->get_setting( 'blogname' )->transport          = 'postMessage';
	$wp_customize->get_setting( 'blogdescription' )->transport   = 'postMessage';
	//$wp_customize->get_setting( 'header_textcolor' )->transport  = 'postMessage';

	$wp_customize->selective_refresh->add_partial( 'blogname', array(
		'selector' => '.site-title',
		'render_callback' => 'abedul_customize_partial_blogname',
	) );
	$wp_customize->selective_refresh->add_partial( 'blogdescription', array(
		'selector' => '.site-description',
		'render_callback' => 'abedul_customize_partial_blogdescription',
	) );

	$blog_navigation_array = array(
		'navigation' => __('Navigation', 'abedul'),
		'pagination' => __('Pagination', 'abedul'),
	);

	$related_posts_array = array(
		'by_tag'        => __('By tag', 'abedul'),
		'by_category'   => __('By category', 'abedul'),
		'no_show'       => __('Do not show', 'abedul'),
		);

	$google_fonts_headings = array(
		'Delius' => 'Delius',
		'Delius Swash Caps' => 'Delius Swash Caps',
		'Bitter' => 'Bitter',
		'Lato' => 'Lato',
		'Source Sans Pro' => 'Source Sans Pro',
	);

	$google_fonts_text = array(
		'Bitter' => 'Bitter',
		'Lato' => 'Lato',
		'Source Sans Pro' => 'Source Sans Pro',
	);

/**
* Removes the control for displaying or not the header text and adds the posibility of displaying the site title and tagline separately. 
**/

// ===============================
$wp_customize->remove_control('display_header_text');

//===============================
$wp_customize->add_setting('abedul_theme_options[show_site_title]', array(
	'default'           => 1,
	//'transport'         => 'postMessage',
	'sanitize_callback' => 'absint',
	'capability'        => 'edit_theme_options',
	'type'           => 'option',
));

$wp_customize->add_control( 'show_site_title', array(
	'label'    => __('Display Site Title', 'abedul'),
	'section'  => 'title_tagline',
	'settings' => 'abedul_theme_options[show_site_title]',
	'type' => 'checkbox',
));
//===============================
$wp_customize->add_setting( 'abedul_theme_options[show_site_description]', array(
	'default'        => 1,
	//'transport'         => 'postMessage',
	'sanitize_callback' => 'absint',
	'capability'     => 'edit_theme_options',
	'type'           => 'option',
));

$wp_customize->add_control('show_site_description', array(
	'label'      => __('Display Tagline', 'abedul'),
	'section'    => 'title_tagline',
	'settings'   => 'abedul_theme_options[show_site_description]',
	'type' => 'checkbox',
));

//  ==============================
//  ==     Colors Section       ==
//  ==============================
$wp_customize->add_setting( 'abedul_theme_options[site_description_color]', array(
	'default'        => '#111111',
	'sanitize_callback' => 'sanitize_hex_color',
	'capability'     => 'edit_theme_options',
	'type'           => 'option',
));

$wp_customize->add_control( new WP_Customize_Color_Control($wp_customize, 'site_description_color', array(
	'label'      => __('Site Description Color', 'abedul'),
	'section'    => 'colors',
	'settings'   => 'abedul_theme_options[site_description_color]',
)));

//  =============================
//  == Front Page Section   ==
//  =============================
$wp_customize->add_setting('abedul_theme_options[show_sidebar]', array(
	'default'           => 1,
	'sanitize_callback' => 'absint',
	'capability'        => 'edit_theme_options',
	'type'           => 'option',
));

$wp_customize->add_control( 'show_sidebar', array(
	'label'    => __('Show the Sidebar in the Front Page.', 'abedul'),
	'description' => __('(It only works if you select a static page and there are widgets in the sidebar widget areas)', 'abedul'),
	'active_callback' => 'abedul_show_sidebar_control',
	'section'  => 'static_front_page',
	'settings' => 'abedul_theme_options[show_sidebar]',
	'type' => 'checkbox',
));

//  =============================
//  == Theme Settings   ==
//  =============================
$wp_customize->add_panel( 'theme_settings', array(
	'title' => __('Theme Settings', 'abedul'),
	'description' => __('Here you can find several options to customize your site.', 'abedul'),
	'priority' => 112,
	)
);
//  =============================
//  == Typography Section   ==
//  =============================
	$wp_customize->add_section( 'typography', array(
		'title' => __( 'Typography', 'abedul' ),
		'description' => __( 'In this section you can change the font of the headings, the tagline and the main text. Select the fonts with the dropdown menus.', 'abedul'),
		'panel' => 'theme_settings',
	) );
//===============================
	$wp_customize->add_setting( 'abedul_theme_options[headings_font]', array(
		'sanitize_callback' => 'abedul_sanitize_font_style',
		'type'           => 'option',
		'capability'     => 'edit_theme_options',
		'default'        => 'Lato',
	) );

	$wp_customize->add_control( 'headings_font', array(
		'settings' => 'abedul_theme_options[headings_font]',
		'label'    => __('Choose the headings font', 'abedul'),
		'section'  => 'typography',
		'type' => 'select',
		'choices'	=> $google_fonts_headings,
	));
//===============================
	$wp_customize->add_setting( 'abedul_theme_options[site_description_font]', array(
		'sanitize_callback' => 'abedul_sanitize_font_style',
		'type'           => 'option',
		'capability'     => 'edit_theme_options',
		'default'        => 'Lato',
	) );

	$wp_customize->add_control( 'site_description_font', array(
		'settings' => 'abedul_theme_options[site_description_font]',
		'label'    => __('Choose the tagline font', 'abedul'),
		'section'  => 'typography',
		'type' => 'select',
		'choices'	=> $google_fonts_text,
	));

	// ===============================
	$wp_customize->add_setting( 'abedul_theme_options[text_font]', array(
		'sanitize_callback' => 'abedul_sanitize_font_style',
		'type'           => 'option',
		'capability'     => 'edit_theme_options',
		'default'        => 'Source Sans Pro',
	));

	$wp_customize->add_control( 'text_font', array(
		'settings'	=> 'abedul_theme_options[text_font]',
		'label'		=> __( 'Choose the text font','abedul' ),
		'section'	=> 'typography',
		'type'		=> 'select',
		'choices'	=> $google_fonts_text,
	));

//  =============================
//  == Special Pages Section   ==
//  =============================
$wp_customize->add_section( 'special_pages', array(
	'title'          => __( 'Special Pages', 'abedul' ),
	'description' => __( 'This section saves the pages made with the special page templates, so they can be used across the theme. Select the pages with the dropdown selector.', 'abedul'),
	'panel' => 'theme_settings',
) );
//===============================
$wp_customize->add_setting( 'abedul_theme_options[contributors_page]', array(
	'default'        => '',
	'sanitize_callback' => 'absint',
	'type'           => 'option',
	'capability'     => 'edit_theme_options',
) );

$wp_customize->add_control( 'contributors_page', array(
	'label'    => __('Your Contributors Page', 'abedul'),
	'section'  => 'special_pages',
	'settings' => 'abedul_theme_options[contributors_page]',
	'type' => 'dropdown-pages',
	'allow_addition' => true,
));

//===============================
$wp_customize->add_setting( 'abedul_theme_options[featured_articles_page]', array(
	'default'        => '',
	'sanitize_callback' => 'absint',
	'type'           => 'option',
	'capability'     => 'edit_theme_options',
) );

$wp_customize->add_control( 'featured_articles_page', array(
	'label'    => __('Your Featured Articles Page', 'abedul'),
	'section'  => 'special_pages',
	'settings' => 'abedul_theme_options[featured_articles_page]',
	'type' => 'dropdown-pages',
	'allow_addition' => true,
));

//  =============================
//  ==   Posts Section    ==
//  ============================= 
$wp_customize->add_section( 'post_settings', array(
	'title'          => __( 'Post Settings', 'abedul' ),
	'description' => __( 'This section adds several options to the posts in single view.', 'abedul'),
	'panel' => 'theme_settings',
) );

//===============================
 $wp_customize->add_setting('abedul_theme_options[show_excerpt]', array(
	'default'           => 1,
	'sanitize_callback' => 'absint',
	'capability'        => 'edit_theme_options',
	'type'           => 'option',
));

$wp_customize->add_control( 'show_excerpt', array(
	'label'    => __('Show the excerpt as the article lead in standard posts.', 'abedul'),
	'section'  => 'post_settings',
	'settings' => 'abedul_theme_options[show_excerpt]',
	'type' => 'checkbox',
));

//===============================
 $wp_customize->add_setting('abedul_theme_options[show_related_posts]', array(
	'default'        => 'by_tag',
	'sanitize_callback' => 'abedul_sanitize_related_posts',
	'capability'     => 'manage_options',
	'type'           => 'option', 
));

$wp_customize->add_control( 'show_related_posts', array(
	'label'   => __('Show related posts by tag or by category','abedul'),
	'section' => 'post_settings',
	'settings' => 'abedul_theme_options[show_related_posts]',
	'type'    => 'radio',
	'choices'    => $related_posts_array,
));

//===============================
 $wp_customize->add_setting('abedul_theme_options[show_author_info]', array(
	'default'           => 1,
	'sanitize_callback' => 'absint',
	'capability'        => 'edit_theme_options',
	'type'           => 'option',
));

$wp_customize->add_control( 'show_author_info', array(
	'label'    => __('Show author information in posts.', 'abedul'),
	'section'  => 'post_settings',
	'settings' => 'abedul_theme_options[show_author_info]',
	'type' => 'checkbox',
));

//  =============================
//  ==   Navigation Section    ==
//  ============================= 
$wp_customize->add_section( 'navigation', array(
	'title'          => __( 'Navigation Settings', 'abedul' ),
	'description' => __( 'This section adds the possibility of choosing between navigation or pagination in multiple view pages.', 'abedul'),
	'panel' => 'theme_settings',
) );

//===============================
 $wp_customize->add_setting('abedul_theme_options[blog_navigation]', array(
	'default'        => 'navigation',
	'sanitize_callback' => 'abedul_sanitize_blog_nav',
	'capability'     => 'edit_theme_options',
	'type'           => 'option', 
));

$wp_customize->add_control( 'blog_navigation', array(
	'label'   => __('Choose your preferred mode of navigating between old and new articles','abedul'),
	'section' => 'navigation',
	'settings' => 'abedul_theme_options[blog_navigation]',
	'type'    => 'radio',
	'choices'    => $blog_navigation_array,
));

}
add_action( 'customize_register', 'abedul_customize_register' );

/**
* Theme's Custom Styling
*/

function abedul_theme_custom_styling() {
	$abedul_theme_options = abedul_get_options( 'abedul_theme_options' );

	$headings_font = $abedul_theme_options['headings_font'];
	$site_description_font = $abedul_theme_options['site_description_font'];
	$text_font = $abedul_theme_options['text_font'];

	$css = '';

	if ( $headings_font ) :
		$css .= '.site-title, .entry-title, .post-title, .archive-title, .category-title, .widget-title, .nav-links { font-family: ' . $headings_font . '}' . "\n";
	endif;

	if ( $site_description_font ) :
		$css .= ' .site-description { font-family: ' . $site_description_font . '}' . "\n";
	endif;

	if ( $text_font ) :
		$css .= ' body { font-family: ' . $text_font . '}' . "\n";
	endif;

	// CSS styles
	if ( isset( $css ) && $css !== '' ) :
		$css = strip_tags( $css );
		$css = "<!--Custom Styling-->\n<style media=\"screen\" type=\"text/css\">\n" . esc_html($css) . "</style>\n";
		echo $css;
	endif;

}
add_action( 'wp_head','abedul_theme_custom_styling' );

/**
 * Sanitization of the font style choices.
 *
 * @since Abedul 1.0.9
 *
 * @param string $value Value of the font style.
 * @return string Sanitised value of the font style choice.
 */
function abedul_sanitize_font_style( $value ) {
	$recognized = abedul_font_styles();
	if ( array_key_exists( $value, $recognized ) ) {
		return $value;
	}
	return apply_filters( 'abedul_font_style', current( $recognized ) );
}

/**
 * Array of font family options.
 *
 * @since Abedul 1.0.9
 */
function abedul_font_styles() {
	$default = array(
		'Delius' => 'Delius',
		'Delius Swash Caps' => 'Delius Swash Caps',
		'Bitter' => 'Bitter',
		'Lato' => 'Lato',
		'Source Sans Pro' => 'Source Sans Pro',
		);
	return apply_filters( 'abedul_font_styles', $default );
}

/**
 * Sanitization for navigation choice
 */
function abedul_sanitize_blog_nav( $value ) {
	$recognized = abedul_blog_nav();
	if ( array_key_exists( $value, $recognized ) ) {
		return $value;
	}
	return apply_filters( 'abedul_blog_nav', current( $recognized ) );
}

function abedul_blog_nav() {
	$default = array(
		'navigation' => 'navigation',
		'pagination' => 'pagination',
	);
	return apply_filters( 'abedul_blog_nav', $default );
}

/**
 * Sanitization for related posts choice
 */
function abedul_sanitize_related_posts( $value ) {
	$recognized = abedul_related_posts();
	if ( array_key_exists( $value, $recognized ) ) {
		return $value;
	}
	return apply_filters( 'abedul_related_posts', current( $recognized ) );
}

function abedul_related_posts() {
	$default = array(
		'no_show' => 'no_show',
		'by_tag' => 'by_tag',
		'by_category' => 'by_category',
	);
	return apply_filters( 'abedul_related_posts', $default );
}


function abedul_get_option_defaults() {
	$defaults = array(
		'show_site_title' => 1,
		'show_site_description' => 1,
		'site_description_color' => '#111111',
		'headings_font' => 'Lato',
		'site_description_font' => 'Lato',
		'text_font' => 'Source Sans Pro',
		'contributors_page' => '',
		'featured_articles_page' => '',
		'show_sidebar' => 1,
		'show_excerpt' => 1,
		'show_related_posts' => 'by_tag',
		'show_author_info' => 1,
		'blog_navigation' => 'navigation',		
	);
	return apply_filters( 'abedul_get_option_defaults', $defaults );
}

function abedul_get_options() {
	// Options API
	return wp_parse_args( 
		get_option( 'abedul_theme_options', array() ), 
		abedul_get_option_defaults() 
	);
}

/**
 * Render the site title for the selective refresh partial.
 *
 * @since Abedul 1.0.7
 * @see abedul_customize_register()
 *
 * @return void
 */
function abedul_customize_partial_blogname() {
	bloginfo( 'name' );
}

/**
 * Render the site tagline for the selective refresh partial.
 *
 * @since Abedul 1.0.7
 * @see abedul_customize_register()
 *
 * @return void
 */
function abedul_customize_partial_blogdescription() {
	bloginfo( 'description' );
}

/**
 * Callback function for the show sidebar control.
 */
function abedul_show_sidebar_control() {
	if ( get_option('show_on_front') === 'page') {
		return true;
	}
}

/**
 * Bind JS handlers to instantly live-preview changes.
 */
function abedul_customize_preview_js() {
	wp_enqueue_script( 'abedul-customize-preview', get_template_directory_uri( '/js/customize-preview.js' ), array( 'customize-preview' ), '1.0', true );
}
add_action( 'customize_preview_init', 'abedul_customize_preview_js' );