<?php

namespace App\Module\Task\Enums;

/**
 * 任务状态枚举
 * 定义了任务的各种状态
 */
enum TASK_STATUS: int {
    case NOT_ACCEPTED = 0;          // 未接取
    case IN_PROGRESS = 1;           // 进行中
    case COMPLETED = 2;             // 已完成
    case REWARDED = 3;              // 已领取奖励
    case FAILED = 4;                // 已失败
    case EXPIRED = 5;               // 已过期
    
    /**
     * 获取所有任务状态的选项，用于表单选择
     *
     * @return array
     */
    public static function getOptions(): array
    {
        $options = [];
        foreach (self::cases() as $case) {
            $options[$case->value] = self::getDescription($case);
        }
        return $options;
    }
    
    /**
     * 获取任务状态的描述
     *
     * @param TASK_STATUS $status
     * @return string
     */
    public static function getDescription(self $status): string
    {
        return match($status) {
            self::NOT_ACCEPTED => '未接取',
            self::IN_PROGRESS => '进行中',
            self::COMPLETED => '已完成',
            self::REWARDED => '已领取奖励',
            self::FAILED => '已失败',
            self::EXPIRED => '已过期',
        };
    }
    
    /**
     * 获取任务状态的颜色
     *
     * @param TASK_STATUS $status
     * @return string
     */
    public static function getColor(self $status): string
    {
        return match($status) {
            self::NOT_ACCEPTED => 'gray',
            self::IN_PROGRESS => 'blue',
            self::COMPLETED => 'green',
            self::REWARDED => 'purple',
            self::FAILED => 'red',
            self::EXPIRED => 'orange',
        };
    }
    
    /**
     * 检查任务是否可以接取
     *
     * @param TASK_STATUS $status
     * @return bool
     */
    public static function canAccept(self $status): bool
    {
        return $status === self::NOT_ACCEPTED;
    }
    
    /**
     * 检查任务是否可以放弃
     *
     * @param TASK_STATUS $status
     * @return bool
     */
    public static function canAbandon(self $status): bool
    {
        return $status === self::IN_PROGRESS;
    }
    
    /**
     * 检查任务是否可以完成
     *
     * @param TASK_STATUS $status
     * @return bool
     */
    public static function canComplete(self $status): bool
    {
        return $status === self::IN_PROGRESS;
    }
    
    /**
     * 检查任务是否可以领取奖励
     *
     * @param TASK_STATUS $status
     * @return bool
     */
    public static function canClaimReward(self $status): bool
    {
        return $status === self::COMPLETED;
    }
}