<?php

declare(strict_types=1);

namespace app\index\controller;

use app\index\BaseController;
use think\response\Json;
use think\facade\Db;

/**
 * Banner 控制器
 */
class BannerController extends BaseController
{
    /**
     * 获取 Banner 列表
     * @return Json
     */
    public function getBanners()
    {
        $baseUrl = $this->request->get('baseUrl', '');
        
        if (!empty($baseUrl)) {
            $this->tenantId = BaseController::getTenantIdByDomain($baseUrl);
        }
        
        $tid = $this->getTenantId();

        if (empty($tid)) {
            return json([
                'code' => 400,
                'msg' => '无法识别租户信息',
                'list' => [],
            ]);
        }

        // 查询该租户下的 Banner
        $banners = Db::name('mete_apps_cms_banner')
            ->where('tid', $tid)
            ->whereNull('delete_time')
            ->order('sort', 'asc')
            ->order('id', 'desc')
            ->select()
            ->toArray();

        // 处理图片路径
        foreach ($banners as &$banner) {
            if (!empty($banner['image'])) {
                // 如果图片路径已经是完整 URL，直接返回
                if (!preg_match('/^https?:\/\//', $banner['image'])) {
                    // 拼接完整 URL
                    $banner['image'] = $this->request->scheme() . '://' . $this->request->host() . 
                        (strpos($banner['image'], '/') === 0 ? '' : '/') . $banner['image'];
                }
            }
        }

        return json([
            'code' => 200,
            'msg' => 'success',
            'list' => $banners,
        ]);
    }
}