// ============================================================================
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// RemoteServicesImpl.cs — IRemoteServices 实现
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// 配合平台抽象层提供 CDN 地址，支持多平台 CDN 路由
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// ============================================================================
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using YooAsset;
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namespace ProjSG.Resource
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{
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/// <summary>
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/// YooAsset 远程服务实现。
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/// 提供主 CDN 和备用 CDN 的资源下载地址拼接。
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/// </summary>
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public class RemoteServicesImpl : IRemoteServices
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{
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private readonly string _mainUrl;
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private readonly string _fallbackUrl;
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/// <summary>
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/// 创建远程服务配置。
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/// </summary>
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/// <param name="mainUrl">主 CDN 根地址（如 https://cdn.example.com/bundles/）</param>
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/// <param name="fallbackUrl">备用 CDN 根地址</param>
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public RemoteServicesImpl(string mainUrl, string fallbackUrl)
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{
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_mainUrl = mainUrl;
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_fallbackUrl = fallbackUrl;
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}
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/// <summary>
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/// 获取主 CDN 下载地址。
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/// </summary>
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public string GetRemoteMainURL(string fileName)
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{
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return $"{_mainUrl}/{fileName}";
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}
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/// <summary>
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/// 获取备用 CDN 下载地址。
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/// </summary>
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public string GetRemoteFallbackURL(string fileName)
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{
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return $"{_fallbackUrl}/{fileName}";
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}
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/// <summary>
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/// 根据当前平台创建 RemoteServicesImpl。
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/// 通过 IPlatformService + PlatformFactory 自动路由到对应平台的 CDN。
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/// </summary>
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/// <param name="baseCdnUrl">基础 CDN 地址（如 https://cdn.example.com）</param>
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/// <param name="fallbackCdnUrl">备用 CDN 地址（可选，默认同 baseCdnUrl）</param>
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/// <returns>平台对应的 RemoteServicesImpl 实例</returns>
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// public static RemoteServicesImpl CreateForCurrentPlatform(string baseCdnUrl, string fallbackCdnUrl = null)
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// {
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// fallbackCdnUrl = fallbackCdnUrl ?? baseCdnUrl;
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// var platform = PlatformFactory.GetCurrent();
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// var platformType = platform.GetPlatformType();
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// // 按平台类型路由子路径
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// string platformPath = GetPlatformCdnPath(platformType);
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// string mainUrl = $"{baseCdnUrl}/{platformPath}";
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// string fallbackUrl = $"{fallbackCdnUrl}/{platformPath}";
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// UnityEngine.Debug.Log($"[RemoteServicesImpl] Platform={platformType}, CDN={mainUrl}");
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// return new RemoteServicesImpl(mainUrl, fallbackUrl);
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// }
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/// <summary>
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/// 获取平台对应的 CDN 子路径。
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/// </summary>
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private static string GetPlatformCdnPath(PlatformType platformType)
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{
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switch (platformType)
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{
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case PlatformType.WeChat:
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return "wechat/bundles";
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case PlatformType.Douyin:
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return "douyin/bundles";
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case PlatformType.Vivo:
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return "vivo/bundles";
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// OPPO / Kuaishou 等可在此扩展
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case PlatformType.Standalone:
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default:
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return "standalone/bundles";
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}
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}
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}
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}
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