<?php
namespace app\index\controller;

use think\Db;
use app\index\controller\BaseController;
use app\index\model\Articles\Articles;
use app\index\model\Articles\ArticlesCategory;
use app\index\model\Resources\Resources;
use app\index\model\Resources\ResourcesCategory;

class SearchController extends BaseController
{
    public function index()
    {
        $keyword = input('keyword', '');
        $type = input('type', 'article'); // 搜索类型：article-文章，resource-资源
        $page = input('page', 1);
        $limit = input('limit', 10);

        if (empty($keyword)) {
            $this->error('请输入搜索关键词');
        }

        // 根据类型选择对应的表和分类表
        if ($type == 'article') {
            $model = new Articles();
            $categoryModel = new ArticlesCategory();
            $detailUrl = '/index/articles/detail';
            $categoryUrl = '/index/articles/category';
            $status = 2; // 文章状态为2
            $fields = 'id, title, cate, image, author, FROM_UNIXTIME(create_time, "%Y-%m-%d") as publishdate';
        } else if ($type == 'resource') {
            $model = new Resources();
            $categoryModel = new ResourcesCategory();
            $detailUrl = '/index/resources/detail';
            $categoryUrl = '/index/resources/category';
            $status = 1; // 资源状态为1
            $fields = 'id, title, cate, icon, uploader, FROM_UNIXTIME(create_time, "%Y-%m-%d") as publishdate';
        } else {
            $this->error('无效的搜索类型');
        }

        // 搜索内容
        $items = $model->where('title', 'like', "%{$keyword}%")
            ->where('status', $status)
            ->field($fields)
            ->order('create_time desc')
            ->page($page, $limit)
            ->select();

        // 获取总数
        $count = $model->where('title', 'like', "%{$keyword}%")
            ->where('status', $status)
            ->count();

        // 获取分类名称和图片
        foreach ($items as &$item) {
            if ($type == 'article') {
                $category = $categoryModel->where('id', $item['cate'])
                    ->field('id, name, image')
                    ->find();
                
                $item['category'] = $category ?: ['id' => 0, 'name' => '未分类', 'image' => ''];
                $item['cate'] = $item['category']['name']; // 使用分类名称替换分类ID
                
                // 如果文章的图片为空，使用分类的图片
                if (empty($item['image'])) {
                    $item['image'] = $item['category']['image'];
                }
                if (empty($item['image'])) {
                    $item['image'] = '/static/images/default.jpg';
                }
            } else {
                $category = $categoryModel->where('id', $item['cate'])
                    ->field('id, name, icon, cid')
                    ->find();
                
                $item['category'] = $category ?: ['id' => 0, 'name' => '未分类', 'icon' => '', 'cid' => 0];
                $item['cate'] = $item['category']['name']; // 使用分类名称替换分类ID
                
                // 如果资源的图片为空，使用分类的图片
                if (empty($item['icon'])) {
                    $item['icon'] = $item['category']['icon'];
                }
                if (empty($item['icon'])) {
                    $item['icon'] = '/static/images/default.jpg';
                }

                // 根据分类cid判断资源类型
                if ($item['category']['cid'] == 8) {
                    $item['detail_url'] = url('game/detail', ['id' => $item['id']]);
                } else {
                    $item['detail_url'] = url('program/detail', ['id' => $item['id']]);
                }
            }
        }

        // 准备视图数据
        $viewData = [
            'keyword' => $keyword,
            'type' => $type,
            'items' => $items,
            'detailUrl' => $detailUrl,
            'count' => $count,
            'page' => $page,
            'limit' => $limit
        ];

        return view('index', $viewData);
    }
}