<?php

namespace app\index\controller;

use think\Loader;
use think\Config;
use think\Db;

class Search extends BaseController {

    public function index() {
        $skeyword = $this->request->get('skeyword');

        $search = [];
        $name_word  = '';
        $brand_word = '';
        if ($skeyword != '') {
            $skeyword = trim($skeyword);
            $search['skeyword'] = $skeyword;

            $pos = strpos($skeyword, '(');
            if ($pos === false) {
                $name_word = $brand_word = $skeyword;
            } else {
                $name_word  = substr($skeyword, 0, $pos);
                $brand_word = substr($skeyword, $pos+1, -1);
            }

            $arg_where = [
                'a.name|a.brand_id|a.keyword|b.sku' => ['like', '%' . $name_word . '%']
            ];

            Config::set('paginate.query', ['skeyword' => $skeyword]); 
        }
        $arg_where['a.stat'] = 0;
        // $arg_where['b.stat'] = 0;
        $arg_where['a.country_code'] = $this->country_code;
        $arg_where['a.is_show'] = 0;

        $field = ['a.id', 'a.name', 'a.description', 'a.list_bk_img' => 'picture', 'a.createtime','a.brand_id', 'b.sku', "'productdetail'" => 'link'];
        $dataObject = model('product')->alias('a')->join('product_sku b', 'a.brand_id=b.brand_id', 'LEFT')->field($field)->where($arg_where)->group('a.id')->paginate(12);
        // echo model('product')->getLastSql();die;
        $list = $dataObject->items();
        // tiaoshi($list);die;
        $arr_name   = mb_str_split(strtolower($name_word));
        $arr_brand  = mb_str_split(strtolower($brand_word));
        
        if (!empty($skeyword))
        {
            foreach ($list as $key => $value)
            {
                $weight = 0;
                $curr_arr_name  = mb_str_split(strtolower($value['name']));
                $curr_arr_brand = mb_str_split(strtolower($value['brand_id']));
                $weight += count(array_intersect($arr_name, $curr_arr_name));
                $weight += count(array_intersect($arr_brand, $curr_arr_brand));
                $list[$key] = $value;
                $list[$key]['weight'] = $weight;
            }

            $len = count($list);
            for ($i=0; $i<$len-1; $i++)
            {
                for ($j=0; $j<$len-1-$i; $j++)
                {
                    if ($list[$j]['weight'] < $list[$j+1]['weight'])
                    {
                        $tmp = $list[$j];
                        $list[$j] = $list[$j+1];
                        $list[$j+1] = $tmp;
                    }
                }
            }
        }
        // tiaoshi($list);die;

        $value = [
            'list' => $list,
            'page' => $dataObject->render(),
        ];
        $value['search']        = $search;
        $value['name_word']     = $name_word;
        $value['brand_word']    = $brand_word;
        $this->assign($value);
        return $this->fetch();
    }
}