<?php

namespace app\common\Enum;

/**
 * 分享枚举类
 */
class ShareEnum
{
    // 分享来源类型
    const FROM_FORWARD = 'forward';
    const FROM_POSTER = 'poster';
    const FROM_LINK = 'link';

    // 分享平台类型
    const PLATFORM_H5 = 'H5';
    const PLATFORM_WECHAT_OFFICIAL_ACCOUNT = 'WechatOfficialAccount';
    const PLATFORM_WECHAT_MINI_PROGRAM = 'WechatMiniProgram';
    const PLATFORM_APP = 'App';

    /**
     * 获取分享来源列表
     */
    public static function getFromList()
    {
        return [
            self::FROM_FORWARD => '直接转发',
            self::FROM_POSTER => '识别海报',
            self::FROM_LINK => '分享链接',
        ];
    }

    /**
     * 获取分享平台列表
     */
    public static function getPlatformList()
    {
        return [
            self::PLATFORM_H5 => 'H5网页',
            self::PLATFORM_WECHAT_OFFICIAL_ACCOUNT => '微信公众号网页',
            self::PLATFORM_WECHAT_MINI_PROGRAM => '微信小程序',
            self::PLATFORM_APP => 'APP',
        ];
    }

    /**
     * 获取分享来源文本
     */
    public static function getFromText($from)
    {
        return self::getFromList()[$from] ?? $from;
    }

    /**
     * 获取分享平台文本
     */
    public static function getPlatformText($platform)
    {
        return self::getPlatformList()[$platform] ?? $platform;
    }

    /**
     * 验证分享来源是否有效
     */
    public static function isValidFrom($from)
    {
        return array_key_exists($from, self::getFromList());
    }

    /**
     * 验证分享平台是否有效
     */
    public static function isValidPlatform($platform)
    {
        return array_key_exists($platform, self::getPlatformList());
    }

    /**
     * 平台映射到数字ID (与前端buildSpmQuery保持一致)
     * 1=H5,2=微信公众号网页,3=微信小程序,4=App
     */
    public static function getPlatformIdMap()
    {
        return [
            self::PLATFORM_H5 => 1,
            self::PLATFORM_WECHAT_OFFICIAL_ACCOUNT => 2,
            self::PLATFORM_WECHAT_MINI_PROGRAM => 3,
            self::PLATFORM_APP => 4,
        ];
    }

    /**
     * 根据平台获取数字ID
     */
    public static function getPlatformId($platform)
    {
        return self::getPlatformIdMap()[$platform] ?? 3; // 默认微信小程序
    }
}