<?php
/**
 * Acuarela customization
 *
 * @package Acuarela
 * @since Acuarela 1.0
 */

/**
 * Implement Customizer additions and adjustments.
 *
 * @since Acuarela 1.0
 *
 * @param WP_Customize_Manager $wp_customize Customizer object.
 */
function acuarela_customize_register( $wp_customize ) {

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

	$google_fonts_headings = array(
		'Arima Madurai'     => 'Arima Madurai',
		'Cinzel Decorative' => 'Cinzel Decorative',
		'Lemonada'          => 'Lemonada',
		'Open Sans'         => 'Open Sans',
	);

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

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

	$wp_customize->get_control( 'header_textcolor' )->priority = 5;

	$wp_customize->selective_refresh->add_partial(
		'blogname',
		array(
			'selector'        => '.site-title',
			'render_callback' => 'acuarela_customize_partial_blogname',
		)
	);

	$wp_customize->selective_refresh->add_partial(
		'blogdescription',
		array(
			'selector'        => '.site-description',
			'render_callback' => 'acuarela_customize_partial_blogdescription',
		)
	);
	// =============================
	// ==     Header Settings     ==
	// =============================
	// Adds the posibility of hiding the site title and tagline separately.
	// ===============================
	$wp_customize->add_setting(
		'hide_site_title',
		array(
			'default'           => 0,
			'sanitize_callback' => 'absint',
			'capability'        => 'edit_theme_options',
		)
	);

	$wp_customize->add_control(
		'hide_site_title',
		array(
			'label'           => __( 'Hide Site Title', 'acuarela' ),
			'settings'        => 'hide_site_title',
			'section'         => 'title_tagline',
			'priority'        => 41,
			'type'            => 'checkbox',
			'active_callback' => 'display_header_text',
		)
	);
	// ===============================
	$wp_customize->add_setting(
		'hide_site_description',
		array(
			'default'           => 0,
			'sanitize_callback' => 'absint',
			'capability'        => 'edit_theme_options',
		)
	);

	$wp_customize->add_control(
		'hide_site_description',
		array(
			'label'           => __( 'Hide Tagline', 'acuarela' ),
			'section'         => 'title_tagline',
			'settings'        => 'hide_site_description',
			'priority'        => 42,
			'type'            => 'checkbox',
			'active_callback' => 'display_header_text',
		)
	);
	// ===============================
	$wp_customize->add_setting(
		'site_description_color',
		array(
			'default'           => '#222222',
			'sanitize_callback' => 'sanitize_hex_color',
			'capability'        => 'edit_theme_options',
			'transport'         => 'postMessage',
		)
	);

	$wp_customize->add_control(
		new WP_Customize_Color_Control(
			$wp_customize,
			'site_description_color',
			array(
				'label'    => __( 'Tagline Text Color', 'acuarela' ),
				'section'  => 'colors',
				'settings' => 'site_description_color',
				'priority' => 9,
			)
		)
	);
	// ==============================
	// ==   Acuarela Custom Settings    ==
	// ==============================
	$wp_customize->add_section(
		'theme_settings',
		array(
			'title'       => __( 'Theme Settings', 'acuarela' ),
			'description' => __( 'In this section you can choose the options to customize your site.', 'acuarela' ),
			'priority'    => 115,
		)
	);
	// ===============================
	$wp_customize->add_setting(
		'blog_navigation',
		array(
			'sanitize_callback' => 'acuarela_sanitize_blog_nav',
			'capability'        => 'edit_theme_options',
			'default'           => 'navigation',
		)
	);

	$wp_customize->add_control(
		'blog_navigation',
		array(
			'settings' => 'blog_navigation',
			'label'    => __( 'Choose your preferred mode of navigating between old and new articles in multiple view pages', 'acuarela' ),
			'section'  => 'theme_settings',
			'type'     => 'radio',
			'choices'  => $blog_navigation_array,
		)
	);
	// ===============================
	$wp_customize->add_setting(
		'headings_font',
		array(
			'sanitize_callback' => 'acuarela_sanitize_font_style',
			'capability'        => 'edit_theme_options',
			'default'           => 'Arima Madurai',
		)
	);

	$wp_customize->add_control(
		'headings_font',
		array(
			'settings' => 'headings_font',
			'label'    => __( 'Choose the headings font', 'acuarela' ),
			'section'  => 'theme_settings',
			'type'     => 'select',
			'choices'  => $google_fonts_headings,
		)
	);
	// ===============================
	$wp_customize->add_setting(
		'text_font',
		array(
			'sanitize_callback' => 'acuarela_sanitize_font_style',
			'capability'        => 'edit_theme_options',
			'default'           => 'Lato',
		)
	);

	$wp_customize->add_control(
		'text_font',
		array(
			'settings' => 'text_font',
			'label'    => __( 'Choose the text font', 'acuarela' ),
			'section'  => 'theme_settings',
			'type'     => 'select',
			'choices'  => $google_fonts_text,
		)
	);

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

/**
 * Theme's Custom Styling
 */
function acuarela_theme_custom_styling() {
	
	$site_description_color = get_theme_mod( 'site_description_color', '#222222' );
	$headings_font          = get_theme_mod( 'headings_font', 'Arima Madurai' );
	$text_font              = get_theme_mod( 'text_font', 'Lato' );

	$css = '';

	if ( $site_description_color ) :
		$css .= '.site-description { color: ' . $site_description_color . '}' . "\n";
	endif;

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

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

	// CSS styles.
	if ( isset( $css ) && '' !== $css ) :
		$css = wp_strip_all_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', 'acuarela_theme_custom_styling' );

/**
 * Sanitisation of the navigation choice.
 *
 * @since Acuarela 1.0
 *
 * @param string $value Value of the navigation choice.
 * @return string Sanitised value of the navigation choice.
 */
function acuarela_sanitize_blog_nav( $value ) {
	$recognized = acuarela_blog_nav();
	if ( array_key_exists( $value, $recognized ) ) {
		return $value;
	}
	return apply_filters( 'acuarela_blog_nav', current( $recognized ) );
}

/**
 * Array of options of the navigation choice.
 *
 * @since Acuarela 1.0
 */
function acuarela_blog_nav() {
	$default = array(
		'navigation' => 'navigation',
		'pagination' => 'pagination',
	);
	return apply_filters( 'acuarela_blog_nav', $default );
}

/**
 * Sanitization of the font style choices.
 *
 * @since Acuarela 1.0
 *
 * @param string $value Value of the font style.
 * @return string Sanitised value of the font style choice.
 */
function acuarela_sanitize_font_style( $value ) {
	$recognized = acuarela_font_styles();
	if ( array_key_exists( $value, $recognized ) ) {
		return $value;
	}
	return apply_filters( 'acuarela_font_style', current( $recognized ) );
}

/**
 * Array of font family options.
 *
 * @since Acuarela 1.0
 */
function acuarela_font_styles() {
	$default = array(
		'Arima Madurai'     => 'Arima Madurai',
		'Cinzel Decorative' => 'Cinzel Decorative',
		'Lemonada'          => 'Lemonada',
		'Lato'              => 'Lato',
		'Open Sans'         => 'Open Sans',
		'Source Sans Pro'   => 'Source Sans Pro',
		'Source Serif Pro'  => 'Source Serif Pro',
	);
	return apply_filters( 'acuarela_font_styles', $default );
}

/**
 * Parse all the theme options in a single array.
 *
 * @since Acuarela 1.0
 */
function acuarela_get_options() {
	// Options API.
	return wp_parse_args( get_option( 'acuarela_theme_options', array() ), acuarela_get_option_defaults() );
}

/**
 * Render the site title for the selective refresh partial.
 *
 * @since Acuarela 1.0
 * @see acuarela_customize_register()
 *
 * @return void
 */
function acuarela_customize_partial_blogname() {
	bloginfo( 'name' );
}

/**
 * Render the site tagline for the selective refresh partial.
 *
 * @since Acuarela 1.0
 * @see acuarela_customize_register()
 *
 * @return void
 */
function acuarela_customize_partial_blogdescription() {
	bloginfo( 'description' );
}

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