<?php
/**
 * Settings display/runtime helper.
 *
 * @package AKSRT
 */

defined('ABSPATH') || exit;

class AKSRT_Settings_Display_Runtime {

    /** 获取Banner列表 */
    public static function get_banners(string $position = ''): array {
        $banners = get_option('aksrt_banners', []) ?: [];

        if ($position) {
            $banners = array_filter($banners, fn($banner) => ($banner['position'] ?? '') === $position);
        }

        usort($banners, fn($a, $b) => ($a['sort_order'] ?? 0) - ($b['sort_order'] ?? 0));

        return array_filter($banners, fn($banner) => ($banner['status'] ?? 'enabled') === 'enabled');
    }

    /** 保存Banner */
    public static function save_banner(array $data): int {
        $banners = get_option('aksrt_banners', []);
        if (!empty($data['id'])) {
            $banners[$data['id']] = $data;
        } else {
            $data['id'] = uniqid('banner_');
            $banners[] = $data;
        }
        update_option('aksrt_banners', $banners);
        return $data['id'];
    }

    /** 删除Banner */
    public static function delete_banner(string $id): void {
        $banners = get_option('aksrt_banners', []);
        unset($banners[$id]);
        update_option('aksrt_banners', array_values($banners));
    }

    /** 获取友链列表 */
    public static function get_friend_links(): array {
        $links = get_option('aksrt_friend_links', []) ?: [];

        return array_values(array_filter($links, static function ($link) {
            return !empty($link['active']);
        }));
    }

    /** 保存友链 */
    public static function save_friend_links(array $links): void {
        update_option('aksrt_friend_links', $links);
    }

    /**
     * 是否显示顶部组件搜索覆盖框
     */
    public static function header_components_search_enabled(): bool {
        $settings = AKSRT_Settings::get_all();
        return !empty($settings['header_components_search_enabled']);
    }

    /**
     * Hero 搜索组件详细配置（PC/移动分别 + 子选项）
     *
     * @return array{pc:bool,mobile:bool,show_keywords:bool,popular_limit:int,show_input_cat:bool,show_type:bool,keywords:string[],categories:array,type_options:array}
     */
    public static function get_header_components_search_config(): array {
        $settings = AKSRT_Settings::get_all();
        $master = self::header_components_search_enabled();
        $is_mobile = function_exists('wp_is_mobile') && wp_is_mobile();

        $pc_on     = $master && (!isset($settings['header_components_search_pc']) || !empty($settings['header_components_search_pc']));
        $mobile_on = $master && (!isset($settings['header_components_search_mobile']) || !empty($settings['header_components_search_mobile']));
        $show = $is_mobile ? $mobile_on : $pc_on;

        $show_kw   = !empty($settings['header_components_search_show_keywords']);
        $kw_limit  = max(1, min(20, (int) ($settings['header_components_search_popular_limit'] ?? 5)));
        $show_cat  = !empty($settings['header_components_search_show_input_cat']);
        $show_type = !empty($settings['header_components_search_show_type']);

        $keywords = [];
        if ($show && $show_kw) {
            $raw = $settings['hot_search_keywords'] ?? '';
            $keywords = is_array($raw) ? $raw : preg_split('/[\s,]+/', (string) $raw, -1, PREG_SPLIT_NO_EMPTY);
            $keywords = array_slice(array_map('sanitize_text_field', $keywords), 0, $kw_limit);
        }

        $categories = [];
        if ($show && $show_cat) {
            $cats = get_categories(['hide_empty' => false, 'number' => 50]);
            foreach ($cats as $cat) {
                $categories[] = ['id' => $cat->term_id, 'name' => $cat->name];
            }
        }

        $type_options = [];
        if ($show && $show_type) {
            $types = AKSRT_Settings::get_search_content_types();
            foreach (($types['enabled'] ?? []) as $type_key => $type_value) {
                if ($type_value) {
                    $type_options[] = ['key' => $type_key, 'label' => $type_key];
                }
            }
        }

        return [
            'pc'             => $pc_on,
            'mobile'         => $mobile_on,
            'show'           => $show,
            'show_keywords'  => $show_kw,
            'popular_limit'  => $kw_limit,
            'show_input_cat' => $show_cat,
            'show_type'      => $show_type,
            'keywords'       => $keywords,
            'categories'     => $categories,
            'type_options'   => $type_options,
        ];
    }

    /**
     * 是否显示顶部组件图标卡片覆盖
     */
    public static function header_components_cards_enabled(): bool {
        $settings = AKSRT_Settings::get_all();
        return !empty($settings['header_components_cards_enabled']);
    }

    public static function homepage_module_hero_enabled(): bool {
        $settings = AKSRT_Settings::get_all();
        return !isset($settings['homepage_module_hero_enabled']) || !empty($settings['homepage_module_hero_enabled']);
    }

    public static function homepage_module_banner_enabled(): bool {
        $settings = AKSRT_Settings::get_all();
        return !isset($settings['homepage_module_banner_enabled']) || !empty($settings['homepage_module_banner_enabled']);
    }

    /**
     * Global slider configuration shared by Hero and Banner.
     *
     * @return array<string,mixed>
     */
    public static function get_slider_config(): array {
        $settings = AKSRT_Settings::get_all();
        $config = $settings['slider_config'] ?? [];

        return [
            'effect'            => in_array($config['effect'] ?? '', ['fade', 'slide', 'cube', 'coverflow', 'flip'], true) ? $config['effect'] : 'fade',
            'direction'         => in_array($settings['slider_config_direction'] ?? ($config['direction'] ?? ''), ['horizontal', 'vertical'], true)
                ? ($settings['slider_config_direction'] ?? ($config['direction'] ?? 'horizontal')) : 'horizontal',
            'loop'              => !isset($config['loop']) || !empty($config['loop']),
            'autoplay_interval' => max(1000, min(30000, (int) ($config['autoplay_interval'] ?? 5000))),
            'pagination'        => !isset($config['pagination']) || !empty($config['pagination']),
            'navigation'        => !isset($config['navigation']) || !empty($config['navigation']),
            'button'            => isset($settings['slider_config_button']) ? !empty($settings['slider_config_button']) : (!isset($config['button']) || !empty($config['button'])),
            'auto_height'       => !empty($config['auto_height']),
            'pc_height'         => isset($config['pc_height']) && $config['pc_height'] !== '' ? sanitize_text_field($config['pc_height']) : '',
            'mobile_height'     => isset($config['mobile_height']) && $config['mobile_height'] !== '' ? sanitize_text_field($config['mobile_height']) : '',
            'max_height'        => isset($settings['slider_config_max_height']) && $settings['slider_config_max_height'] !== '' ? sanitize_text_field($settings['slider_config_max_height']) : (isset($config['max_height']) && $config['max_height'] !== '' ? sanitize_text_field($config['max_height']) : ''),
            'min_height'        => isset($settings['slider_config_min_height']) && $settings['slider_config_min_height'] !== '' ? sanitize_text_field($settings['slider_config_min_height']) : (isset($config['min_height']) && $config['min_height'] !== '' ? sanitize_text_field($config['min_height']) : ''),
            'scale_height'      => !empty($settings['slider_config_scale_height'] ?? ($config['scale_height'] ?? false)),
            'scale'             => !empty($settings['slider_config_scale'] ?? ($config['scale'] ?? false)),
            'speed'             => max(100, min(3000, (int) ($settings['slider_config_speed'] ?? ($config['speed'] ?? 300)))),
            'space_between'     => max(0, min(100, (int) ($config['space_between'] ?? 0))),
            'nav_color'         => sanitize_hex_color((string) ($settings['header_components_nav_color'] ?? '')) ?: '',
        ];
    }

    public static function get_header_components_icon_cards(): array {
        $settings = AKSRT_Settings::get_all();
        $cards = $settings['header_components_icon_cards'] ?? [];
        return is_array($cards) ? array_values($cards) : [];
    }

    public static function get_header_components_card_columns(): int {
        $settings = AKSRT_Settings::get_all();
        $columns = (int) ($settings['header_components_card_columns'] ?? 4);
        return max(2, min(6, $columns));
    }

    public static function header_components_card_bg_enabled(): bool {
        $settings = AKSRT_Settings::get_all();
        return !empty($settings['header_components_card_bg']);
    }

    /**
     * 获取全局背景设置
     */
    public static function get_global_background_settings(): array {
        $settings = AKSRT_Settings::get_all();

        $valid_sizes = ['cover', 'contain', 'auto', '100%', '100% 100%'];
        $size = sanitize_text_field((string) ($settings['bg_size'] ?? '100%'));
        if (!in_array($size, $valid_sizes, true)) {
            $size = '100%';
        }

        $valid_positions = ['center center', 'top center', 'bottom center'];
        $position = sanitize_text_field((string) ($settings['bg_position'] ?? 'center center'));
        if (!in_array($position, $valid_positions, true)) {
            $position = 'center center';
        }

        $valid_repeats = ['no-repeat', 'repeat', 'repeat-x', 'repeat-y'];
        $repeat = sanitize_key((string) ($settings['bg_repeat'] ?? 'no-repeat'));
        if (!in_array($repeat, $valid_repeats, true)) {
            $repeat = 'no-repeat';
        }

        $attachment = sanitize_key((string) ($settings['bg_attachment'] ?? 'fixed'));
        if (!in_array($attachment, ['fixed', 'scroll'], true)) {
            $attachment = 'fixed';
        }

        return [
            'bg_color'         => sanitize_hex_color((string) ($settings['bg_color'] ?? '')) ?: '',
            'bg_image'         => esc_url_raw((string) ($settings['bg_image'] ?? '')),
            'bg_size'          => $size,
            'bg_position'      => $position,
            'bg_repeat'        => $repeat,
            'bg_attachment'    => $attachment,
            'bg_dark_color'    => sanitize_hex_color((string) ($settings['bg_dark_color'] ?? '')) ?: '',
            'bg_dark_image'    => esc_url_raw((string) ($settings['bg_dark_image'] ?? '')),
            'bg_overlay'       => !empty($settings['bg_overlay']),
            'bg_overlay_color' => sanitize_text_field((string) ($settings['bg_overlay_color'] ?? 'rgba(0, 0, 0, 0.3)')),
            'page_bg_color'    => sanitize_hex_color((string) ($settings['page_bg_color'] ?? '')) ?: '',
            'page_bg_image'    => esc_url_raw((string) ($settings['page_bg_image'] ?? '')),
        ];
    }
}