<?php
/**
 * Theme Options Helper Functions
 *
 * @package Apus_Theme
 * @since 1.0.0
 */

// Exit if accessed directly
if (!defined('ABSPATH')) {
    exit;
}

/**
 * Get theme option value
 *
 * @param string $option_name The option name
 * @param mixed  $default     Default value if option doesn't exist
 * @return mixed The option value
 */
function apus_get_option($option_name, $default = '') {
    $options = get_option('apus_theme_options', array());

    if (isset($options[$option_name])) {
        return $options[$option_name];
    }

    return $default;
}

/**
 * Check if option is enabled (checkbox/switch)
 *
 * @param string $option_name The option name
 * @return bool True if enabled, false otherwise
 */
function apus_is_option_enabled($option_name) {
    return (bool) apus_get_option($option_name, false);
}

/**
 * Get breadcrumbs separator
 *
 * @return string The separator
 */
function apus_get_breadcrumb_separator() {
    return apus_get_option('breadcrumb_separator', '>');
}

/**
 * Check if breadcrumbs should be shown
 *
 * @return bool
 */
function apus_show_breadcrumbs() {
    return apus_is_option_enabled('enable_breadcrumbs');
}

/**
 * Get excerpt length
 *
 * @return int The excerpt length
 */
function apus_get_excerpt_length() {
    return (int) apus_get_option('excerpt_length', 55);
}

/**
 * Get excerpt more text
 *
 * @return string The excerpt more text
 */
function apus_get_excerpt_more() {
    return apus_get_option('excerpt_more', '...');
}

/**
 * Check if related posts should be shown
 *
 * @return bool
 */
function apus_show_related_posts() {
    return apus_is_option_enabled('enable_related_posts');
}

/**
 * Get number of related posts to show
 *
 * @return int
 */
function apus_get_related_posts_count() {
    return (int) apus_get_option('related_posts_count', 3);
}

/**
 * Get related posts taxonomy
 *
 * @return string
 */
function apus_get_related_posts_taxonomy() {
    return apus_get_option('related_posts_taxonomy', 'category');
}

/**
 * Get related posts title
 *
 * @return string
 */
function apus_get_related_posts_title() {
    return apus_get_option('related_posts_title', __('Related Posts', 'apus-theme'));
}

/**
 * Check if specific performance optimization is enabled
 *
 * @param string $optimization The optimization name
 * @return bool
 */
function apus_is_performance_enabled($optimization) {
    return apus_is_option_enabled('performance_' . $optimization);
}

/**
 * Get copyright text
 *
 * @return string
 */
function apus_get_copyright_text() {
    $default = sprintf(
        __('&copy; %s %s. All rights reserved.', 'apus-theme'),
        date('Y'),
        get_bloginfo('name')
    );
    return apus_get_option('copyright_text', $default);
}

/**
 * Get social media links
 *
 * @return array Array of social media links
 */
function apus_get_social_links() {
    return array(
        'facebook'  => apus_get_option('social_facebook', ''),
        'twitter'   => apus_get_option('social_twitter', ''),
        'instagram' => apus_get_option('social_instagram', ''),
        'linkedin'  => apus_get_option('social_linkedin', ''),
        'youtube'   => apus_get_option('social_youtube', ''),
    );
}

/**
 * Check if comments are enabled for posts
 *
 * @return bool
 */
function apus_comments_enabled_for_posts() {
    return apus_is_option_enabled('enable_comments_posts');
}

/**
 * Check if comments are enabled for pages
 *
 * @return bool
 */
function apus_comments_enabled_for_pages() {
    return apus_is_option_enabled('enable_comments_pages');
}

/**
 * Get default post layout
 *
 * @return string
 */
function apus_get_default_post_layout() {
    return apus_get_option('default_post_layout', 'right-sidebar');
}

/**
 * Get default page layout
 *
 * @return string
 */
function apus_get_default_page_layout() {
    return apus_get_option('default_page_layout', 'right-sidebar');
}

/**
 * Get posts per page for archive
 *
 * @return int
 */
function apus_get_archive_posts_per_page() {
    $custom = (int) apus_get_option('archive_posts_per_page', 0);
    return $custom > 0 ? $custom : get_option('posts_per_page', 10);
}

/**
 * Check if featured image should be shown on single posts
 *
 * @return bool
 */
function apus_show_featured_image_single() {
    return apus_is_option_enabled('show_featured_image_single');
}

/**
 * Check if author box should be shown on single posts
 *
 * @return bool
 */
function apus_show_author_box() {
    return apus_is_option_enabled('show_author_box');
}

/**
 * Get date format
 *
 * @return string
 */
function apus_get_date_format() {
    return apus_get_option('date_format', 'd/m/Y');
}

/**
 * Get time format
 *
 * @return string
 */
function apus_get_time_format() {
    return apus_get_option('time_format', 'H:i');
}

/**
 * Get logo URL
 *
 * @return string
 */
function apus_get_logo_url() {
    $logo_id = apus_get_option('site_logo', 0);
    if ($logo_id) {
        $logo = wp_get_attachment_image_url($logo_id, 'full');
        if ($logo) {
            return $logo;
        }
    }
    return '';
}

/**
 * Get favicon URL
 *
 * @return string
 */
function apus_get_favicon_url() {
    $favicon_id = apus_get_option('site_favicon', 0);
    if ($favicon_id) {
        $favicon = wp_get_attachment_image_url($favicon_id, 'full');
        if ($favicon) {
            return $favicon;
        }
    }
    return '';
}

/**
 * Get custom CSS
 *
 * @return string
 */
function apus_get_custom_css() {
    return apus_get_option('custom_css', '');
}

/**
 * Get custom JS (header)
 *
 * @return string
 */
function apus_get_custom_js_header() {
    return apus_get_option('custom_js_header', '');
}

/**
 * Get custom JS (footer)
 *
 * @return string
 */
function apus_get_custom_js_footer() {
    return apus_get_option('custom_js_footer', '');
}

/**
 * Check if lazy loading is enabled
 *
 * @return bool
 */
function apus_is_lazy_loading_enabled() {
    return apus_is_option_enabled('enable_lazy_loading');
}

/**
 * Get all theme options
 *
 * @return array
 */
function apus_get_all_options() {
    return get_option('apus_theme_options', array());
}

/**
 * Reset theme options to defaults
 *
 * @return bool
 */
function apus_reset_options() {
    return delete_option('apus_theme_options');
}

/**
 * Check if Table of Contents is enabled
 *
 * @return bool
 */
function apus_is_toc_enabled() {
    return apus_get_option('enable_toc', true);
}

/**
 * Get minimum headings required to display TOC
 *
 * @return int
 */
function apus_get_toc_min_headings() {
    return (int) apus_get_option('toc_min_headings', 2);
}

/**
 * Get TOC title
 *
 * @return string
 */
function apus_get_toc_title() {
    return apus_get_option('toc_title', __('Table of Contents', 'apus-theme'));
}