<?php
/**
 * @package AKSRT
 */

namespace AKSRT\Admin;

defined('ABSPATH') || exit;

trait GlobalControllerPart1 {

    public function rest_reorder_footer_tabbar(\WP_REST_Request $request): \WP_REST_Response {
        $params = $this->get_json_params($request);
        $ordered_ids = $params['ids'] ?? [];

        if (!is_array($ordered_ids)) {
            return new \WP_REST_Response(['code' => 'error', 'message' => __('参数错误', 'aksrt')], 400);
        }

        if (count($ordered_ids) > 5) {
            return new \WP_REST_Response(['code' => 'error', 'message' => __('Footer tabbar supports at most 5 items.', 'aksrt')], 400);
        }

        $tabbar = get_option('aksrt_footer_tabbar', []);
        $items = $tabbar['items'] ?? [];

        $order_map = array_flip($ordered_ids);
        usort($items, function ($a, $b) use ($order_map) {
            $idx_a = $order_map[($a['id'] ?? '')] ?? 999;
            $idx_b = $order_map[($b['id'] ?? '')] ?? 999;
            return $idx_a <=> $idx_b;
        });

        foreach ($items as $index => &$item) {
            $item['sort_order'] = $index;
        }

        $tabbar['items'] = $items;
        update_option('aksrt_footer_tabbar', $tabbar);

        return rest_ensure_response(['code' => 'success', 'message' => __('Order saved.', 'aksrt')]);
    }

    private function sanitize_tabbar_item(array $item): array {
        $valid_types = ['home', 'category', 'link', 'user', 'auth', 'search', 'add'];
        $type = sanitize_text_field($item['type'] ?? 'link');
        if (!in_array($type, $valid_types, true)) {
            $type = 'link';
        }
        $badge_mode = sanitize_text_field($item['badge_mode'] ?? 'static');
        if (!in_array($badge_mode, ['static', 'dynamic'], true)) {
            $badge_mode = 'static';
        }

        $add_items = [];
        if (!empty($item['add_items']) && is_array($item['add_items'])) {
            foreach ($item['add_items'] as $sub_item) {
                $label = sanitize_text_field($sub_item['label'] ?? '');
                $icon = sanitize_text_field($sub_item['icon'] ?? 'fa fas fa-pen');
                $url = esc_url_raw($sub_item['url'] ?? '');
                if ($label === '') {
                    continue;
                }
                $add_items[] = [
                    'id'    => sanitize_text_field($sub_item['id'] ?? uniqid('add_')),
                    'label' => $label,
                    'icon'  => $icon,
                    'url'   => $url,
                ];
            }
        }

        return [
            'id'                  => sanitize_text_field($item['id'] ?? uniqid('tab_')),
            'type'                => $type,
            'icon'                => sanitize_text_field($item['icon'] ?? ''),
            'text'                => sanitize_text_field($item['text'] ?? ''),
            'link'                => esc_url_raw($item['link'] ?? ''),
            'badge'               => sanitize_text_field($item['badge'] ?? ''),
            'badge_mode'          => $badge_mode,
            'category_id'         => absint($item['category_id'] ?? 0),
            'search_default_type' => (function() use ($item) {
                $v = $item['search_default_type'] ?? 'post';
                return in_array($v, ['post', 'category', 'tag'], true) ? $v : 'post';
            })(),
            'new_window'          => !empty($item['new_window']),
            'add_items'           => $add_items,
            'enabled'             => !empty($item['enabled']),
            'sort_order'          => (int) ($item['sort_order'] ?? 0),
            'ontop'               => !empty($item['ontop']),
        ];
    }

    public function rest_handle_floating_buttons(\WP_REST_Request $request): \WP_REST_Response {
        if ($request->get_method() === 'GET') {
            $settings = class_exists('\AKSRT\Settings\Settings')
                ? \AKSRT\Settings\Settings::get_floating_buttons_settings()
                : [
                    'enabled'          => true,
                    'style'            => 'round',
                    'position'         => 'bottom',
                    'scroll_hide'      => false,
                    'scroll_down_hide' => true,
                    'filter_blur'      => [],
                    'items'            => [],
                ];

            return rest_ensure_response(['code' => 'success', 'data' => $settings]);
        }

        $params = $this->get_json_params($request);
        $items = isset($params['items']) ? array_map([$this, 'sanitize_floating_button_item'], (array) $params['items']) : [];

        $filter_blur = [];
        if (!empty($params['filter_blur']) && is_array($params['filter_blur'])) {
            foreach ($params['filter_blur'] as $device) {
                $device = sanitize_text_field((string) $device);
                if (in_array($device, ['pc', 'mobile'], true)) {
                    $filter_blur[] = $device;
                }
            }
            $filter_blur = array_values(array_unique($filter_blur));
        }

        $settings = [
            'enabled'          => !empty($params['enabled']),
            'style'            => in_array($params['style'] ?? '', ['round', 'square'], true) ? $params['style'] : 'round',
            'position'         => in_array($params['position'] ?? '', ['bottom', 'center'], true) ? $params['position'] : 'bottom',
            'scroll_hide'      => !empty($params['scroll_hide']),
            'scroll_down_hide' => !empty($params['scroll_down_hide']),
            'max'              => max(1, min(10, (int) ($params['max'] ?? 5))),
            'size'             => max(32, min(64, (int) ($params['size'] ?? 44))),
            'spacing'          => max(4, min(24, (int) ($params['spacing'] ?? 10))),
            'shadow'           => !empty($params['shadow']),
            'animation'        => !empty($params['animation']),
            'opacity'          => max(30, min(100, (int) ($params['opacity'] ?? 100))),
            'active_color'     => sanitize_hex_color($params['active_color'] ?? '') ?: '',
            'bg_color'         => sanitize_hex_color($params['bg_color'] ?? '') ?: '',
            'pc_show'          => !empty($params['pc_show']),
            'm_show'           => !empty($params['m_show']),
            'filter_blur'      => $filter_blur,
            'items'            => $items,
        ];

        update_option('aksrt_floating_buttons', $settings);

        if (class_exists('\AKSRT\Settings\Settings')) {
            \AKSRT\Settings\Settings::flush_settings_cache();
        }

        return rest_ensure_response(['code' => 'success', 'message' => __('Floating button settings saved.', 'aksrt')]);
    }

    public function rest_reorder_floating_buttons(\WP_REST_Request $request): \WP_REST_Response {
        $params = $this->get_json_params($request);
        $ordered_ids = $params['ids'] ?? [];

        if (!is_array($ordered_ids)) {
            return new \WP_REST_Response(['code' => 'error', 'message' => __('参数错误', 'aksrt')], 400);
        }

        $settings = get_option('aksrt_floating_buttons', []);
        $items = $settings['items'] ?? [];

        $order_map = array_flip($ordered_ids);
        usort($items, function ($a, $b) use ($order_map) {
            $idx_a = $order_map[($a['id'] ?? '')] ?? 999;
            $idx_b = $order_map[($b['id'] ?? '')] ?? 999;
            return $idx_a <=> $idx_b;
        });

        foreach ($items as $index => &$item) {
            $item['sort_order'] = $index;
        }
        unset($item);

        $settings['items'] = $items;
        update_option('aksrt_floating_buttons', $settings);

        if (class_exists('\AKSRT\Settings\Settings')) {
            \AKSRT\Settings\Settings::flush_settings_cache();
        }

        return rest_ensure_response(['code' => 'success', 'message' => __('Order saved.', 'aksrt')]);
    }

    private function sanitize_floating_button_item(array $item): array {
        $valid_types = ['back_top', 'theme_mode', 'qrcode', 'service_qq', 'service_wechat', 'pay_vip', 'custom', 'add'];
        $type = sanitize_text_field($item['type'] ?? 'custom');
        if (!in_array($type, $valid_types, true)) {
            $type = 'custom';
        }

        $hover_width = (int) ($item['hover_width'] ?? 200);
        if ($hover_width < 120) {
            $hover_width = 120;
        }
        if ($hover_width > 480) {
            $hover_width = 480;
        }

        $qq = preg_replace('/\D+/', '', (string) ($item['qq'] ?? ''));
        $action_mode = sanitize_text_field($item['action_mode'] ?? 'link');
        if (!in_array($action_mode, ['link', 'qrcode'], true)) {
            $action_mode = 'link';
        }
        $qr_size = (int) ($item['qr_size'] ?? 120);
        if ($qr_size < 80) {
            $qr_size = 80;
        }
        if ($qr_size > 240) {
            $qr_size = 240;
        }

        $add_items = [];
        if (!empty($item['add_items']) && is_array($item['add_items'])) {
            foreach ($item['add_items'] as $add_item) {
                if (!is_array($add_item)) {
                    continue;
                }
                $label = sanitize_text_field($add_item['label'] ?? '');
                $url = esc_url_raw($add_item['url'] ?? '');
                $icon_item = sanitize_text_field($add_item['icon'] ?? '');
                if ($label === '' && $url === '') {
                    continue;
                }
                $add_items[] = [
                    'id'    => sanitize_text_field($add_item['id'] ?? uniqid('add_')),
                    'label' => $label,
                    'url'   => $url,
                    'icon'  => $icon_item,
                ];
            }
        }

        $icon = sanitize_text_field($item['icon'] ?? '');
        $icon_dark = sanitize_text_field($item['icon_dark'] ?? '');
        $icon_light = sanitize_text_field($item['icon_light'] ?? '');
        if ($type === 'theme_mode') {
            $icon = 'fa fas fa-sun';
            $icon_dark = '';
            $icon_light = '';
        }
        // VIP float always uses modal path; drop stale link/hover and normalize icons.
        $link = esc_url_raw($item['link'] ?? '');
        $hover = wp_kses_post($item['hover'] ?? '');
        if ($type === 'pay_vip') {
            $link = '';
            $hover = '';
            if ($icon === '' || str_contains($icon, 'fa-gem') || $icon === 'fa fas fa-gem') {
                $icon = 'fa fas fa-gem';
            }
			if (!preg_match('/^fa\s+(?:fas|far|fab)\s+fa-[a-z0-9-]+(?:\s+fa-[a-z0-9-]+)*$/i', $icon)) {
				$icon = 'fa fas fa-gem';
			}
        }

        return [
            'id'          => sanitize_text_field($item['id'] ?? uniqid('float_')),
            'type'        => $type,
            'icon'        => $icon,
            'icon_dark'   => $icon_dark,
            'icon_light'  => $icon_light,
            'text'        => sanitize_text_field($item['text'] ?? ''),
            'desc'        => sanitize_text_field($item['desc'] ?? ''),
            'action_mode' => $action_mode,
            'qq'          => $qq,
            'qrcode_img'  => esc_url_raw($item['qrcode_img'] ?? ''),
            'wechat_img'  => esc_url_raw($item['wechat_img'] ?? ''),
            'link'        => $link,
            'add_items'   => $add_items,
            'hover'       => $hover,
            'qr_size'     => $qr_size,
            'hover_width' => $hover_width,
            'pc_s'        => !empty($item['pc_s']),
            'm_s'         => !empty($item['m_s']),
            'color'       => sanitize_text_field($item['color'] ?? ''),
            'bg'          => sanitize_text_field($item['bg'] ?? ''),
            'enabled'     => !empty($item['enabled']),
            'sort_order'  => (int) ($item['sort_order'] ?? 0),
        ];
    }
}