<?php

namespace app\common\Traits;

use app\common\Enum\OrderEnum;
use Exception;
// 移除 think\helper\Str，使用原生PHP函数
use ReflectionClass;

/**
 * Trait OrderStatusTrait
 * @package App\Models\Order
 * @method bool canCancelHandle()
 * @method bool canDeleteHandle()
 * @method bool canPayHandle()
 * @method bool canCommentHandle()
 * @method bool canConfirmHandle()
 * @method bool canRefundHandle()
 * @method bool canRebuyHandle()
 * @method bool canAftersaleHandle()
 * @method bool isCreateStatus()
 * @method bool isPayStatus()
 * @method bool isShipStatus()
 * @method bool isConfirmStatus()
 * @method bool isCancelStatus()
 * @method bool isAutoCancelStatus()
 * @method bool isRefundStatus()
 * @method bool isRefundConfirmStatus()
 * @method bool isAutoConfirmStatus()
 */
trait OrderStatusTrait
{
    private $canHandleMap = [
        // 取消操作
        'cancel' => [
            OrderEnum::STATUS_CREATE
        ],
        // 删除操作
        'delete' => [
            OrderEnum::STATUS_CANCEL,
            OrderEnum::STATUS_AUTO_CANCEL,
            OrderEnum::STATUS_ADMIN_CANCEL,
            OrderEnum::STATUS_REFUND_CONFIRM,
            OrderEnum::STATUS_CONFIRM,
            OrderEnum::STATUS_AUTO_CONFIRM
        ],
        // 支付操作
        'pay' => [
            OrderEnum::STATUS_CREATE
        ],
        // 发货
        'ship' => [
            OrderEnum::STATUS_PAY
        ],
        // 评论操作
        'comment' => [
            OrderEnum::STATUS_CONFIRM,
            OrderEnum::STATUS_AUTO_CONFIRM
        ],
        // 确认收货操作
        'confirm' => [OrderEnum::STATUS_SHIP],
        // 取消订单并退款操作
        'refund' => [OrderEnum::STATUS_PAY],
        // 再次购买
        'rebuy' => [
            OrderEnum::STATUS_CONFIRM,
            OrderEnum::STATUS_AUTO_CONFIRM
        ],
        // 售后操作
        'aftersale' => [
            OrderEnum::STATUS_CONFIRM,
            OrderEnum::STATUS_AUTO_CONFIRM
        ],
        // 同意退款
        'agreerefund' => [
            OrderEnum::STATUS_REFUND
        ],
    ];

    public function __call($name, $arguments)
    {
        // 检查是否是can*Handle格式的方法
        $canHandleMatches = [];
        if (preg_match('/^can(.+)Handle$/', $name, $canHandleMatches)) {
            if (is_null($this->order_status)) {
                throw new Exception("order status is null when call method[$name]!");
            }
            $key = strtolower($canHandleMatches[1]);
            return in_array($this->order_status, $this->canHandleMap[$key] ?? []);
        } 
        
        // 检查是否是is*Status格式的方法
        $statusMatches = [];
        if (preg_match('/^is(.+)Status$/', $name, $statusMatches)) {
            if (is_null($this->order_status)) {
                throw new Exception("order status is null when call method[$name]!");
            }
            // 将驼峰转为下划线并转大写，然后加上STATUS_前缀
            $statusName = strtoupper(preg_replace('/([a-z])([A-Z])/', '$1_$2', $statusMatches[1]));
            $constantName = 'STATUS_' . $statusName;
            $status = (new ReflectionClass(OrderEnum::class))->getConstant($constantName);
            return $this->order_status == $status;
        }
        
        return parent::__call($name, $arguments);
    }

    public function getCanHandelOptions()
    {
        return [
            'cancel' => $this->canCancelHandle(),
            'delete' => $this->canDeleteHandle(),
            'pay' => $this->canPayHandle(),
            'comment' => $this->canCommentHandle(),
            'confirm' => $this->canConfirmHandle(),
            'refund' => $this->canRefundHandle(),
            'rebuy' => $this->canRebuyHandle(),
            'aftersale' => $this->canAftersaleHandle(),
        ];
    }

    public function isHadPaid()
    {
        return !in_array($this->order_status, [
            OrderEnum::STATUS_CREATE,
            OrderEnum::STATUS_ADMIN_CANCEL,
            OrderEnum::STATUS_AUTO_CANCEL,
            OrderEnum::STATUS_CANCEL
        ]);
    }
}