<?php


namespace App\Http\Validators;

use Validator;

class SampleValidator
{
    //保存相关的验证,别问我为什么不用laravel自带的form-request类
    //因为控制器那边已经被之前的人魔改的难用的一比，而且控制器那边还接收了一大堆统一变量
    public function checkSave($request)
    {
        $messages = $this->messages();
        $validator = Validator::make($request->all(), [
            'activity_name' => 'required|max:50',
            'start_time' => 'required',
            'end_time' => 'required',
            'goods_scope' => 'in:1,2',
            'allow_coupon' => 'required',
            'amount' => 'required|max:9999999999',
            'amount.*' => 'required',
            'item_name' => 'required',
            'item_name.*' => 'required',
            'num' => 'required|max:1000',
            'num.*' => 'required',
            'total' => 'required',
            'total.*' => 'required',
            'pic' => 'required',
            'pic.*' => 'required',
            'supplier_ids' => 'required',
        ], $messages);
        if ($validator->fails()) {
            return $validator->errors()->first();
        }

        //开始结束时间的判断
        $oneDaySeconds = 3600 * 24;
        if (strtotime($request->get('end_time')) - strtotime($request->get('start_time')) < $oneDaySeconds) {
            return '结束时间必须大于开始时间一天或以上';
        }

        //满赠商品规则最多设置3个
        if (count($request->get('amount')) > 3) {
            return '满赠商品规则最多设置3个';
        }

        $service = new GiftActivityService();
        $itemList = $service->getGiftItemList($request);
        if (count($itemList) != 1) {
            foreach ($itemList as $key => $item) {
                if ($key == 0) {
                    continue;
                }
                if ($itemList[$key]['amount'] <= $itemList[$key - 1]['amount']) {
                    return '设置满赠规则的满赠金额需逐级递增';
                }
            }
        }


        //通用逻辑判断
        $result = $this->commonLogicCheck($request, 2);
        if ($result !== true) {
            return $result;
        }

        return null;


    }

    private function messages()
    {
        return [
            'activity_name.max' => '展示名称最长50个汉字',
            'show_name.max' => '展示名称最长3个汉字',
            'sign.max' => '标识最长1个汉字',
            'sign_text.max' => '展示名称最长16个汉字',
            'ratio.numeric' => '活动系数只能为纯数字',
            'amount.required' => '至少要有一个满赠商品规则',
            'activity_name.required' => '活动名称不能为空',
            'start_time.required' => '活动开始时间不能为空',
            'end_time.required' => '活动结束时间不能为空',
            'show_name.required' => '活动展示名称不能为空',
            'sign.required' => '活动标识不能为空',
            'sign_text.required' => '活动标识文本不能为空',
            'allow_coupon.required' => '是否能使用优惠券不能为空',
            'amount.*.required' => '请补全满赠商品规则的满赠金额',
            'amount.*.max' => '请补全满赠商品规则的满赠金额',
            'item_name.*.required' => '请补全满赠商品规则的赠品名称',
            'item_name.*.between' => '满赠商品规则的赠品名称必须在2到20个字之间',
            'num.*.required' => '请补全满赠商品规则的数量',
            'total.*.required' => '请补全满赠商品规则的发行量',
            'pic.*.required' => '请补全满赠商品规则的商品图片',
            'supplier_ids.required' => '供应商不能为空',
            'goods_scope.in' => '商品范围不符合规范',
        ];
    }
}