<?php

namespace App\Module\OpenAPI\Enums;

/**
 * 应用状态枚举
 */
enum APP_STATUS: string
{
    case PENDING = 'PENDING';           // 待审核
    case APPROVED = 'APPROVED';         // 已审核通过
    case REJECTED = 'REJECTED';         // 已拒绝
    case ACTIVE = 'ACTIVE';             // 激活状态
    case SUSPENDED = 'SUSPENDED';       // 暂停状态
    case DISABLED = 'DISABLED';         // 禁用状态
    case EXPIRED = 'EXPIRED';           // 已过期

    /**
     * 获取状态的中文描述
     *
     * @return string
     */
    public function getLabel(): string
    {
        return match ($this) {
            self::PENDING => '待审核',
            self::APPROVED => '已审核',
            self::REJECTED => '已拒绝',
            self::ACTIVE => '激活',
            self::SUSPENDED => '暂停',
            self::DISABLED => '禁用',
            self::EXPIRED => '已过期',
        };
    }

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

    /**
     * 获取状态的图标
     *
     * @return string
     */
    public function getIcon(): string
    {
        return match ($this) {
            self::PENDING => 'fa-clock',
            self::APPROVED => 'fa-check',
            self::REJECTED => 'fa-times',
            self::ACTIVE => 'fa-play',
            self::SUSPENDED => 'fa-pause',
            self::DISABLED => 'fa-stop',
            self::EXPIRED => 'fa-calendar-times',
        };
    }

    /**
     * 获取状态描述
     *
     * @return string
     */
    public function getDescription(): string
    {
        return match ($this) {
            self::PENDING => '应用已提交，等待管理员审核',
            self::APPROVED => '应用已通过审核，可以激活使用',
            self::REJECTED => '应用审核未通过，需要修改后重新提交',
            self::ACTIVE => '应用正常运行中，可以调用API',
            self::SUSPENDED => '应用已暂停，暂时无法调用API',
            self::DISABLED => '应用已禁用，无法调用API',
            self::EXPIRED => '应用已过期，需要续期后才能使用',
        };
    }

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

    /**
     * 判断是否可以编辑
     *
     * @return bool
     */
    public function canEdit(): bool
    {
        return in_array($this, [
            self::PENDING,
            self::REJECTED,
            self::SUSPENDED,
        ]);
    }

    /**
     * 判断是否需要审核
     *
     * @return bool
     */
    public function needsApproval(): bool
    {
        return $this === self::PENDING;
    }

    /**
     * 获取可以转换到的状态
     *
     * @return array
     */
    public function getTransitionableStates(): array
    {
        return match ($this) {
            self::PENDING => [self::APPROVED, self::REJECTED],
            self::APPROVED => [self::ACTIVE, self::REJECTED],
            self::REJECTED => [self::PENDING],
            self::ACTIVE => [self::SUSPENDED, self::DISABLED, self::EXPIRED],
            self::SUSPENDED => [self::ACTIVE, self::DISABLED],
            self::DISABLED => [self::ACTIVE],
            self::EXPIRED => [self::ACTIVE],
        };
    }

    /**
     * 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（可以调用API的状态）
     *
     * @return array
     */
    public static function getActiveStates(): array
    {
        return [self::ACTIVE];
    }

    /**
     * 获取不可用状态
     *
     * @return array
     */
    public static function getInactiveStates(): array
    {
        return [
            self::PENDING,
            self::REJECTED,
            self::SUSPENDED,
            self::DISABLED,
            self::EXPIRED,
        ];
    }

    /**
     * 获取需要管理员处理的状态
     *
     * @return array
     */
    public static function getAdminActionStates(): array
    {
        return [
            self::PENDING,
            self::SUSPENDED,
            self::EXPIRED,
        ];
    }
}