<?php

namespace App\Module\ThirdParty\Enums;

/**
 * 第三方服务状态枚举
 */
enum SERVICE_STATUS: string
{
    case ACTIVE = 'ACTIVE';             // 激活状态
    case INACTIVE = 'INACTIVE';         // 未激活状态
    case DISABLED = 'DISABLED';         // 禁用状态
    case MAINTENANCE = 'MAINTENANCE';   // 维护状态
    case ERROR = 'ERROR';               // 错误状态
    case TESTING = 'TESTING';           // 测试状态
    case EXPIRED = 'EXPIRED';           // 已过期状态

    /**
     * 获取状态的中文描述
     *
     * @return string
     */
    public function getLabel(): string
    {
        return match ($this) {
            self::ACTIVE => '激活',
            self::INACTIVE => '未激活',
            self::DISABLED => '禁用',
            self::MAINTENANCE => '维护中',
            self::ERROR => '错误',
            self::TESTING => '测试中',
            self::EXPIRED => '已过期',
        };
    }

    /**
     * 获取状态的详细描述
     *
     * @return string
     */
    public function getDescription(): string
    {
        return match ($this) {
            self::ACTIVE => '服务正常运行，可以正常调用API',
            self::INACTIVE => '服务未激活，暂时无法使用',
            self::DISABLED => '服务已被禁用，不允许调用API',
            self::MAINTENANCE => '服务正在维护中，暂时不可用',
            self::ERROR => '服务出现错误，需要检查配置',
            self::TESTING => '服务处于测试状态，仅限测试使用',
            self::EXPIRED => '服务已过期，需要续费或重新配置',
        };
    }

    /**
     * 获取状态的颜色
     *
     * @return string
     */
    public function getColor(): string
    {
        return match ($this) {
            self::ACTIVE => 'success',
            self::INACTIVE => 'secondary',
            self::DISABLED => 'danger',
            self::MAINTENANCE => 'warning',
            self::ERROR => 'danger',
            self::TESTING => 'info',
            self::EXPIRED => 'dark',
        };
    }

    /**
     * 获取状态的图标
     *
     * @return string
     */
    public function getIcon(): string
    {
        return match ($this) {
            self::ACTIVE => 'fa-check-circle',
            self::INACTIVE => 'fa-pause-circle',
            self::DISABLED => 'fa-ban',
            self::MAINTENANCE => 'fa-tools',
            self::ERROR => 'fa-exclamation-triangle',
            self::TESTING => 'fa-flask',
            self::EXPIRED => 'fa-clock',
        };
    }

    /**
     * 检查状态是否可用
     *
     * @return bool
     */
    public function isAvailable(): bool
    {
        return in_array($this, [self::ACTIVE, self::TESTING]);
    }

    /**
     * 检查状态是否需要关注
     *
     * @return bool
     */
    public function needsAttention(): bool
    {
        return in_array($this, [self::ERROR, self::EXPIRED, self::MAINTENANCE]);
    }

    /**
     * 检查状态是否可以调用API
     *
     * @return bool
     */
    public function canCallApi(): bool
    {
        return $this === self::ACTIVE;
    }

    /**
     * 检查状态是否可以测试
     *
     * @return bool
     */
    public function canTest(): bool
    {
        return in_array($this, [self::ACTIVE, self::TESTING]);
    }

    /**
     * 获取优先级（数字越小优先级越高）
     *
     * @return int
     */
    public function getPriority(): int
    {
        return match ($this) {
            self::ACTIVE => 1,
            self::TESTING => 2,
            self::INACTIVE => 3,
            self::MAINTENANCE => 4,
            self::DISABLED => 5,
            self::ERROR => 6,
            self::EXPIRED => 7,
        };
    }

    /**
     * 获取状态的严重程度
     *
     * @return string
     */
    public function getSeverity(): string
    {
        return match ($this) {
            self::ACTIVE => 'INFO',
            self::INACTIVE => 'WARNING',
            self::DISABLED => 'ERROR',
            self::MAINTENANCE => 'WARNING',
            self::ERROR => 'CRITICAL',
            self::TESTING => 'INFO',
            self::EXPIRED => 'ERROR',
        };
    }

    /**
     * 获取可以转换到的状态
     *
     * @return array
     */
    public function getAllowedTransitions(): array
    {
        return match ($this) {
            self::ACTIVE => [self::INACTIVE, self::DISABLED, self::MAINTENANCE, self::TESTING],
            self::INACTIVE => [self::ACTIVE, self::DISABLED, self::TESTING],
            self::DISABLED => [self::INACTIVE, self::TESTING],
            self::MAINTENANCE => [self::ACTIVE, self::INACTIVE, self::DISABLED],
            self::ERROR => [self::ACTIVE, self::INACTIVE, self::DISABLED, self::TESTING],
            self::TESTING => [self::ACTIVE, self::INACTIVE, self::DISABLED],
            self::EXPIRED => [self::INACTIVE, self::TESTING],
        };
    }

    /**
     * 检查是否可以转换到指定状态
     *
     * @param SERVICE_STATUS $targetStatus
     * @return bool
     */
    public function canTransitionTo(SERVICE_STATUS $targetStatus): bool
    {
        return in_array($targetStatus, $this->getAllowedTransitions());
    }

    /**
     * 获取所有状态的选项数组
     *
     * @return array
     */
    public static function getOptions(): array
    {
        $options = [];
        foreach (self::cases() as $case) {
            $options[$case->value] = $case->getLabel();
        }
        return $options;
    }

    /**
     * 获取可用状态
     *
     * @return array
     */
    public static function getAvailableStatuses(): array
    {
        return array_filter(self::cases(), function ($case) {
            return $case->isAvailable();
        });
    }

    /**
     * 获取需要关注的状态
     *
     * @return array
     */
    public static function getAttentionStatuses(): array
    {
        return array_filter(self::cases(), function ($case) {
            return $case->needsAttention();
        });
    }

    /**
     * 按优先级排序状态
     *
     * @return array
     */
    public static function getSortedByPriority(): array
    {
        $statuses = self::cases();
        usort($statuses, function ($a, $b) {
            return $a->getPriority() <=> $b->getPriority();
        });
        return $statuses;
    }
}