<?php

namespace addons\Community\common\helper;

use addons\Community\common\enums\CommunityEnum;
use addons\Community\common\enums\ConfigEnum;
use Yii;
use yii\helpers\Json;

class CommunityHelper
{

    /**
     * 获取预计提货时间
     * @param int $mall_id
     * @param int $order_pay_at
     * @return false|string
     */
    public static function getPickUpAt(int $mall_id, int $order_pay_at)
    {
        $config = Yii::$app->services->setting->addons->get($mall_id, CommunityEnum::ADDONS_NAME, 'basic');
        $day = intval($config['can_receive_day']??0);
        $order_pay_at += 86400 * $day;  //  + N天
        $pick_up_type = $config['pick_up_time_range_type']; //  取货类型
        $receive_at = "";
        switch ($pick_up_type) {
            case ConfigEnum::PICK_UP_TIME_RANGE_TYPE_CUSTOM:
                $weeks = Json::decode($config['pick_up_time_range_custom']); //  取货类型

                //  格式化星期几
                if (count($weeks) < 7) {
                    $weeks = array_combine($weeks, $weeks);
                    for ($i = 0; $i < 7; $i++) {
                        if(!isset($weeks[$i])) {
                            $weeks[$i] = -1;
                        }
                    }
                }

                $at_times = Json::decode($config['pick_up_time_range_custom_at']); //  取货类型
                ksort($weeks);
                //  如果有当前未指定，则需要顺延
                $week = date('w', $order_pay_at);
                if (in_array($week, $weeks)) {  //  当天可以去自提
                    $receive_at = date('Y-m-d', $order_pay_at);
                } else {    //  当天不能去自提，那么就需要顺延

                    //  判断今天能不能提货，能的话就不需要顺延
                    $t_day = strtotime(date('Y-m-d'));
                    $t_week = date('w', $t_day);
                    if ($t_day > $order_pay_at && in_array($t_week, $weeks)) {
                        $receive_at = date('Y-m-d');
                    } else {
                        //  顺延
                        $tmp_week = -1;
                        foreach ($weeks as $weekItem) {
                            if ($weekItem > $week) {
                                //  顺延成功
                                $tmp_week = $weekItem;
                                break;
                            }
                        }

                        if ($tmp_week > -1) {   //  顺延成功
                            $order_pay_at += ($tmp_week - $week) * 86400;   //  加天数
                        } else {
                            //  有可能是6 有可能是 7？
                            //  什么情况下是6/什么情况下是7   7 - 6 + 3
                            $order_pay_at += ((7 - $week) + $tmp_week) * 86400;
                        }
                        $receive_at = date('Y-m-d', $order_pay_at);
                    }
                }

                //  时间戳
                $receive_ts = strtotime($receive_at);
                //  相差天数
                $diff_day = ceil($receive_ts - strtotime(date('Y-m-d'))) / 86400;

                if ($diff_day < 3) {
                    switch ($diff_day) {
                        case 0: //  今天
                            $receive_at = sprintf("今天 %s - %s", $at_times[0], $at_times[1]);
                            break;
                        case 1: //  明天
                            $receive_at = sprintf("明天 %s - %s", $at_times[0], $at_times[1]);
                            break;
                        case 2: //  后天
                            $receive_at = sprintf("后天 %s - %s", $at_times[0], $at_times[1]);
                            break;
                    }
                } else {
                    //  如果小于当前时间，那么就需要顺延？
                    $receive_at = sprintf("%s %s - %s", date('m-d', $receive_ts), $at_times[0], $at_times[1]);
                }
                break;
            case ConfigEnum::PICK_UP_TIME_RANGE_TYPE_ALL_DAY:
                //  全天
                switch ($day) {
                    case 0:
                        $day_txt = "今天";
                        break;
                    case 1:
                        $day_txt = "明天";
                        break;
                    case 2:
                        $day_txt = "后天";
                        break;
                    default:
                        $day_txt = date("n月d号", strtotime("+$day days"));
                        break;
                }
                $receive_at = "{$day_txt}[全天]";
                break;
        }
        return $receive_at;
    }
}