<?php

namespace App\Models;

use App\Events\OrderAssigned;
use Carbon\Carbon;
use Illuminate\Support\Facades\DB;

class Approval extends SoftDeletesModel
{
    protected $table = "approval";
    const STATUS_HANDLING = 0;
    const STATUS_PASSED = 1;
    const STATUS_REJECTED = -1;
    const STATUS_EXPIRED = -2;
    const TEXT_HANDLING = "待处理";
    const TEXT_PASSED = "已通过";
    const TEXT_REJECTED = "已驳回";
    const TEXT_EXPIRED = "已过期";
    const TYPE_ASSIGN = "assign";
    const TYPE_MODIFY = "modify";
    const TYPE_CHECKOUT = "checkout";
    const TYPE_CAUSED_BY_CHECKOUT = "caused_by_checkout";

    public function primaryOrder() {
        return $this->hasOne(Orders::class,"id","order_id");
    }

    public function approvalItems()
    {
        return $this->hasMany(ApprovalItems::class);
    }

    public function generateExpireTime()
    {
        //todo:change expire rule to be better
        return date("Y-m-d") . " 23:59:59";
    }

    public function pass()
    {
        DB::beginTransaction();
        try {
            foreach ($this->approvalItems as $approvalItem) {
                $updates = json_decode($approvalItem->updates, true);
                $belongs_type = "\\" . $approvalItem->belongs_type;
                $model = new $belongs_type();
                if ($approvalItem->belongs_id) {
                    $model->find($approvalItem->belongs_id)->update($updates);
                } else {
                    $model->create($updates);
                }
            }

            if ($this->id) {
                $this->update([
                    "status" => self::STATUS_PASSED
                ]);
            }

            if ($this->type == Approval::TYPE_CHECKOUT) {
                //处理剩余款项的退款
                //todo:实现退款流程
            }

            if ($this->type == Approval::TYPE_ASSIGN) {
                $order = (new Orders())->find($this->order_id);
                event(new OrderAssigned($order));
            }

            DB::commit();
            return [
                "status" => true
            ];
        } catch (\Exception $exception) {
            DB::rollBack();
            return [
                "status" => false,
                "errorcode" => $exception->getCode(),
                "errormsg" => $exception->getMessage()
            ];
        }

    }
}