<?php

namespace App\Module\Mex\Enums;

/**
 * 农贸市场订单状态枚举
 */
enum OrderStatus: string
{
    case PENDING = 'PENDING';       // 等待中
    case COMPLETED = 'COMPLETED';   // 已完成
    case CANCELLED = 'CANCELLED';   // 已取消
    case FAILED = 'FAILED';         // 失败

    /**
     * 获取订单状态描述
     */
    public function getDescription(): string
    {
        return match ($this) {
            self::PENDING => '等待中',
            self::COMPLETED => '已完成',
            self::CANCELLED => '已取消',
            self::FAILED => '失败',
        };
    }

    /**
     * 获取所有订单状态
     */
    public static function getAll(): array
    {
        return [
            self::PENDING->value => self::PENDING->getDescription(),
            self::COMPLETED->value => self::COMPLETED->getDescription(),
            self::CANCELLED->value => self::CANCELLED->getDescription(),
            self::FAILED->value => self::FAILED->getDescription(),
        ];
    }

    /**
     * 判断是否为等待状态
     */
    public function isPending(): bool
    {
        return $this === self::PENDING;
    }

    /**
     * 判断是否为完成状态
     */
    public function isCompleted(): bool
    {
        return $this === self::COMPLETED;
    }

    /**
     * 判断是否为取消状态
     */
    public function isCancelled(): bool
    {
        return $this === self::CANCELLED;
    }

    /**
     * 判断是否为失败状态
     */
    public function isFailed(): bool
    {
        return $this === self::FAILED;
    }

    /**
     * 判断是否为最终状态（不可再变更）
     */
    public function isFinal(): bool
    {
        return in_array($this, [self::COMPLETED, self::CANCELLED, self::FAILED]);
    }
}