<?php
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namespace app\count\controller;


use app\common\model\Order;
use app\common\model\OrderGoods;
use think\facade\Config;

/**
 * 配置控制器
 * Class ConfigController
 * @package app\adminapi\controller
 */
class IndexController extends BaseAdminController
{
    public array $notNeedLogin = ['index'];

    public function index()
    {
        /** 商品统计 start **/
        // 获取上个月的第一天
        $firstDayOfLastMonth = strtotime(date('Y-m-01', strtotime('last month')));
        // 获取上个月最后一天
        $lastDayOfLastMonth = strtotime(date('Y-m-t', strtotime('last month')) . ' 23:59:59');
        // 获取上个月的第一天
        $firstDayOfNowMonth = strtotime(date('Y-m-01'));
        // 获取上个月最后一天
        $lastDayOfNowMonth = strtotime(date('Y-m-t') . ' 23:59:59');

        $where = [];
        $whereTime = [];

        $whereLastTime[] = ['o.create_time', 'between', [$firstDayOfLastMonth, $lastDayOfLastMonth]];
        $whereNowTime[] = ['o.create_time', 'between', [$firstDayOfNowMonth, $lastDayOfNowMonth]];

        $where[]=['o.pay_status','=',1];
        //上月销量
        $lastOrderGoodsInfo =  OrderGoods::alias('og')->leftJoin('order o','o.id = og.order_id')
            ->field('og.goods_id,og.goods_name name,sum(og.goods_num) last_total_num')
            ->where($where)->where($whereLastTime)
            ->group('og.goods_id,og.goods_name')
            ->order('last_total_num desc')
            ->select()->toArray();
        //本月销量
        $nowOrderGoodsInfo =  OrderGoods::alias('og')->leftJoin('order o','o.id = og.order_id')
            ->field('og.goods_id,og.goods_name name,sum(og.goods_num) now_total_num')
            ->where($where)->where($whereNowTime)
            ->group('og.goods_id,og.goods_name')
            ->order('now_total_num desc')
            ->select()->toArray();

        $newGoodsData = [];
        if(count($lastOrderGoodsInfo)>5){
            foreach($lastOrderGoodsInfo as $lk=>$lv){

                if($lk>4)break;
                foreach($nowOrderGoodsInfo as $nk=>$nv){
                    $lastOrderGoodsInfo[$lk]['now_total_num'] = 0;
                    if($lv['goods_id'] == $nv['goods_id'] ){
                        $lv['now_total_num'] = $nv['now_total_num'];
                        break;
                    }
                }
                $newGoodsData[] =$lv;
            }
        }
        else{
            if(empty($lastOrderGoodsInfo)){
                foreach($nowOrderGoodsInfo as $nk=>$nv){
                    if($nk>4)break;
                    $nv['last_total_num'] = 0;
                    $newGoodsData[] = $nv;
                }
            }else{
                $count = 0;
                $lastGoodsIdArr = [];
                foreach($lastOrderGoodsInfo as $lk=>$lv){
                    $count++;
                    array_push($lastGoodsIdArr,$lv['goods_id']);
                    if($lk>4)break;
                    foreach($nowOrderGoodsInfo as $nk=>$nv){
                        $lv['now_total_num'] = 0;
                        if($lv['goods_id'] == $nv['goods_id'] ){
                            $lv['now_total_num'] = $nv['now_total_num'];
                            break;
                        }
                    }
                    $newGoodsData[] =$lv;
                }

                if($count<5){
                    foreach($nowOrderGoodsInfo as &$nv){
                        if($count>=5) break;
                        if(in_array($nv['goods_id'],$lastGoodsIdArr)) continue;
                        $nv['last_total_num'] = 0;
                        $nv['growth'] = '100%';
                        $nv['type'] = 1;
                        $count ++;
                        $newGoodsData[] = $nv;
                    }
                }
            }
        }

        foreach ($newGoodsData as &$ngv){
            if($ngv['last_total_num']==0){
                $ngv['growth'] = '100%';
                $ngv['type'] = 1;
            }else{
                if($ngv['last_total_num'] < $ngv['now_total_num']){
                    $ngv['growth'] = round(($ngv['now_total_num'] - $ngv['last_total_num'])/$ngv['last_total_num']*100 ,0). '%';
                    $ngv['type'] = 1;
                }else if($ngv['last_total_num'] > $ngv['now_total_num']){
                    $ngv['growth'] = round(($ngv['last_total_num'] - $ngv['now_total_num'])/$ngv['last_total_num']*100 ,0). '%';
                    $ngv['type'] = 0;
                }else{
                    $ngv['growth'] = 0;
                    $ngv['type'] = 1;
                }
            }

            $ngv['name'] = mb_substr( $ngv['name'], 0, 6, "UTF-8") . '....'  ;
        }
        /** 商品统计 end **/

        
        return view('/count/index', ['newGoodsData' => $newGoodsData]);
    }

}