<?php

declare(strict_types=1);

namespace app\index\controller\Article;

use app\index\BaseController;
use Symfony\Component\VarDumper\VarDumper;
use think\exception\ValidateException;
use think\facade\Request;
use think\facade\Session;
use think\response\Json;
use think\db\exception\DbException;

use app\model\Cms\Articles;
use app\model\Cms\ArticlesCategory;


class NewsCenterController extends BaseController
{
    /**
     * 根据域名获取新闻数据
     * @return Json
     */
    public function getCenterNews(): Json
    {
        // 从 BaseController 获取当前租户ID
        $tid = $this->getTenantId();

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

        // 查询该租户下的文章
        $articles = Articles::published()
            ->where('tid', $tid)
            ->where('delete_time', null)
            ->order('publish_date', 'desc')
            ->limit(8)
            ->select();

        // 处理图片：如果文章image为空，则取分类的image
        foreach ($articles as &$article) {
            if (empty($article['image']) && !empty($article['cate'])) {
                $category = ArticlesCategory::where('id', $article['cate'])
                    ->where('delete_time', null)
                    ->find();
                if ($category && !empty($category['image'])) {
                    $article['image'] = $category['image'];
                }
            }
        }

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

    /**
     * 获取上一篇下一篇
     * @param int $id 文章ID
     * @param int $cate 分类ID
     * @return array
     */
    private function getNextPreviousArticles(int $id, int $cate): array
    {
        $nextArticle = Articles::where('id', '<', $id)
            ->where('cate', $cate)
            ->where('delete_time', null)
            ->where('status', 2)
            ->field('id,title')
            ->find();

        $previousArticle = Articles::where('id', '>', $id)
            ->where('cate', $cate)
            ->where('delete_time', null)
            ->where('status', 2)
            ->field('id,title')
            ->find();

        return [
            'code' => 200,
            'msg' => 'success',
            'next' => $nextArticle,
            'previous' => $previousArticle,
        ];
    }

    /**
     * 通过分类 ID 获取分类名称
     * @param int $cateId 分类ID
     * @return string
     */
    private function getCategoryName(int $id): string
    {
        $categoryInfo = ArticlesCategory::where('id', $id)
            ->where('delete_time', null)
            ->find();

        if (!$categoryInfo) {
            return '未分类';
        }

        return $categoryInfo['name'];
    }

    /**
     * 获取相关文章
     */
    private function getRelatedArticles(int $id, int $cate): array
    {
        $articles = Articles::where('id', '<>', $id)
            ->where('cate', $cate)
            ->where('delete_time', null)
            ->where('status', 2)
            ->order('top', 'desc')
            ->order('recommend', 'desc')
            ->order('sort', 'desc')
            ->order('id', 'desc')
            ->limit(5)
            ->select();

        foreach ($articles as &$article) {
            $article['cate'] = $this->getCategoryName($article['cate']);
        }

        return [
            'code' => 200,
            'msg' => 'success',
            'list' => $articles,
        ];
    }

}