/**
 * Comprehensive Game Dev & Metaverse API Integration
 * Supports: Minecraft, Meta Horizon, Steam, Epic Online Services, PlayFab, AWS GameLift,
 * Unity, Unreal, Twitch, YouTube, Firebase, Anthropic Claude, AWS S3, Segment, Apple/Google services
 */

// ============================================================================
// GAME PLATFORMS
// ============================================================================

/** Minecraft API Integration */
export class MinecraftAPI {
  private clientId = process.env.MINECRAFT_CLIENT_ID;
  private clientSecret = process.env.MINECRAFT_CLIENT_SECRET;
  private baseUrl = "https://api.minecraftservices.com";

  async getPlayerProfile(accessToken: string) {
    const res = await fetch(`${this.baseUrl}/minecraft/profile`, {
      headers: { Authorization: `Bearer ${accessToken}` }
    });
    return res.json();
  }

  async verifySecurityLocation(accessToken: string, ipAddress: string) {
    const res = await fetch(`${this.baseUrl}/user/security/location/verify`, {
      method: "POST",
      headers: { Authorization: `Bearer ${accessToken}` },
      body: JSON.stringify({ ipAddress })
    });
    return res.json();
  }

  async getPlayerSkins(uuid: string) {
    const res = await fetch(`${this.baseUrl}/minecraft/profile/${uuid}/appearance`);
    return res.json();
  }

  async getFriendsList(accessToken: string) {
    const res = await fetch(`${this.baseUrl}/player/friends`, {
      headers: { Authorization: `Bearer ${accessToken}` }
    });
    return res.json();
  }
}

/** Meta Horizon Worlds API */
export class MetaHorizonAPI {
  private appId = process.env.META_APP_ID;
  private appSecret = process.env.META_APP_SECRET;
  private baseUrl = "https://graph.instagram.com";

  async getWorldInfo(worldId: string, accessToken: string) {
    const res = await fetch(`${this.baseUrl}/${worldId}`, {
      headers: { Authorization: `Bearer ${accessToken}` }
    });
    return res.json();
  }

  async getUserProfile(userId: string, accessToken: string) {
    const res = await fetch(`${this.baseUrl}/${userId}?fields=id,name,picture,username`, {
      headers: { Authorization: `Bearer ${accessToken}` }
    });
    return res.json();
  }

  async getAvatarAssets(userId: string, accessToken: string) {
    const res = await fetch(`${this.baseUrl}/${userId}/avatar_assets`, {
      headers: { Authorization: `Bearer ${accessToken}` }
    });
    return res.json();
  }

  async createWorldEvent(worldId: string, eventData: any, accessToken: string) {
    const res = await fetch(`${this.baseUrl}/${worldId}/events`, {
      method: "POST",
      headers: {
        Authorization: `Bearer ${accessToken}`,
        "Content-Type": "application/json"
      },
      body: JSON.stringify(eventData)
    });
    return res.json();
  }
}

/** Steam API Integration */
export class SteamAPI {
  private apiKey = process.env.STEAM_API_KEY;
  private baseUrl = "https://api.steampowered.com";

  async getPlayerSummaries(steamIds: string[]) {
    const params = new URLSearchParams({
      key: this.apiKey!,
      steamids: steamIds.join(","),
      format: "json"
    });
    const res = await fetch(`${this.baseUrl}/ISteamUser/GetPlayerSummaries/v2?${params}`);
    return res.json();
  }

  async getGameAchievements(appId: string, steamId: string) {
    const params = new URLSearchParams({
      key: this.apiKey!,
      steamid: steamId,
      appid: appId,
      format: "json"
    });
    const res = await fetch(`${this.baseUrl}/ISteamUserStats/GetPlayerAchievements/v1?${params}`);
    return res.json();
  }

  async getGameStats(appId: string, steamId: string) {
    const params = new URLSearchParams({
      key: this.apiKey!,
      steamid: steamId,
      appid: appId,
      format: "json"
    });
    const res = await fetch(`${this.baseUrl}/ISteamUserStats/GetUserStatsForGame/v2?${params}`);
    return res.json();
  }

  async getOwnedGames(steamId: string) {
    const params = new URLSearchParams({
      key: this.apiKey!,
      steamid: steamId,
      format: "json",
      include_appinfo: "true"
    });
    const res = await fetch(`${this.baseUrl}/IPlayerService/GetOwnedGames/v1?${params}`);
    return res.json();
  }

  async publishGameScore(appId: string, leaderboardId: number, score: number, steamId: string) {
    const params = new URLSearchParams({
      key: this.apiKey!,
      appid: appId,
      leaderboardid: leaderboardId.toString(),
      score: score.toString(),
      steamid: steamId,
      force: "1"
    });
    const res = await fetch(`${this.baseUrl}/ISteamLeaderboards/SetLeaderboardScore/v1?${params}`, {
      method: "POST"
    });
    return res.json();
  }
}

// ============================================================================
// GAME BACKEND SERVICES
// ============================================================================

/** Epic Online Services (EOS) - Multiplayer, Matchmaking, Lobbies */
export class EpicOnlineServices {
  private deploymentId = process.env.EOS_DEPLOYMENT_ID;
  private clientId = process.env.EOS_CLIENT_ID;
  private clientSecret = process.env.EOS_CLIENT_SECRET;
  private baseUrl = "https://api.epicgames.com";

  async createLobby(lobbyDetails: {
    maxMembers: number;
    isPublic: boolean;
    permissionLevel: string;
  }) {
    const res = await fetch(`${this.baseUrl}/lobbies/v1/lobbies`, {
      method: "POST",
      headers: {
        "Authorization": `Bearer ${await this.getAccessToken()}`,
        "Content-Type": "application/json",
        "EOS-Deployment-Id": this.deploymentId!
      },
      body: JSON.stringify(lobbyDetails)
    });
    return res.json();
  }

  async joinLobby(lobbyId: string, playerId: string) {
    const res = await fetch(`${this.baseUrl}/lobbies/v1/lobbies/${lobbyId}/members`, {
      method: "POST",
      headers: {
        "Authorization": `Bearer ${await this.getAccessToken()}`,
        "EOS-Deployment-Id": this.deploymentId!
      },
      body: JSON.stringify({ accountId: playerId })
    });
    return res.json();
  }

  async startMatchmaking(queueName: string, playerIds: string[]) {
    const res = await fetch(`${this.baseUrl}/matchmaking/v1/sessions`, {
      method: "POST",
      headers: {
        "Authorization": `Bearer ${await this.getAccessToken()}`,
        "Content-Type": "application/json",
        "EOS-Deployment-Id": this.deploymentId!
      },
      body: JSON.stringify({
        queueName,
        playerIds,
        attributes: {}
      })
    });
    return res.json();
  }

  private async getAccessToken() {
    const res = await fetch("https://api.epicgames.com/auth/v1/oauth/token", {
      method: "POST",
      headers: { "Content-Type": "application/x-www-form-urlencoded" },
      body: `grant_type=client_credentials&client_id=${this.clientId}&client_secret=${this.clientSecret}`
    });
    const data = await res.json();
    return data.access_token;
  }
}

/** PlayFab - Player Data, Analytics, Backend Logic */
export class PlayFabAPI {
  private titleId = process.env.PLAYFAB_TITLE_ID;
  private developerSecretKey = process.env.PLAYFAB_DEV_SECRET_KEY;
  private baseUrl = "https://aethex.playfabapi.com";

  async getPlayerProfile(playerId: string) {
    const res = await fetch(`${this.baseUrl}/Client/GetPlayerProfile`, {
      method: "POST",
      headers: {
        "X-PlayFabSDK": "typescript-sdk/1.0.0",
        "Content-Type": "application/json"
      },
      body: JSON.stringify({
        PlayFabId: playerId,
        ProfileConstraints: {
          ShowLocations: true,
          ShowAvatarUrl: true,
          ShowBannedUntil: true
        }
      })
    });
    return res.json();
  }

  async updatePlayerStatistics(playerId: string, stats: Record<string, number>) {
    const res = await fetch(`${this.baseUrl}/Client/UpdatePlayerStatistics`, {
      method: "POST",
      headers: {
        "X-PlayFabSDK": "typescript-sdk/1.0.0",
        "Content-Type": "application/json"
      },
      body: JSON.stringify({
        PlayFabId: playerId,
        Statistics: Object.entries(stats).map(([name, value]) => ({ StatisticName: name, Value: value }))
      })
    });
    return res.json();
  }

  async grantInventoryItems(playerId: string, itemIds: string[]) {
    const res = await fetch(`${this.baseUrl}/Server/GrantItemsToUser`, {
      method: "POST",
      headers: {
        "X-SecretKey": this.developerSecretKey,
        "Content-Type": "application/json"
      },
      body: JSON.stringify({
        PlayFabId: playerId,
        ItemIds: itemIds,
        Annotation: "AeThex Platform Grant"
      })
    });
    return res.json();
  }

  async executeCloudScript(playerId: string, functionName: string, params: any) {
    const res = await fetch(`${this.baseUrl}/Client/ExecuteCloudScript`, {
      method: "POST",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify({
        PlayFabId: playerId,
        FunctionName: functionName,
        FunctionParameter: params
      })
    });
    return res.json();
  }
}

/** AWS GameLift - Game Server Hosting & Scaling */
export class AWSGameLift {
  private fleetId = process.env.AWS_GAMELIFT_FLEET_ID;
  private queueName = process.env.AWS_GAMELIFT_QUEUE_NAME;
  private region = process.env.AWS_REGION || "us-east-1";
  private baseUrl = `https://gamelift.${this.region}.amazonaws.com`;

  async requestGameSession(playerId: string, gameSessionProperties?: Record<string, string>) {
    const res = await fetch(`${this.baseUrl}/`, {
      method: "POST",
      headers: {
        "Content-Type": "application/x-amz-json-1.1",
        "X-Amz-Target": "GameLift.StartMatchmaking"
      },
      body: JSON.stringify({
        TicketId: `ticket-${playerId}-${Date.now()}`,
        ConfigurationName: this.queueName,
        Players: [{ PlayerId: playerId }],
        GameSessionProperties: gameSessionProperties || {}
      })
    });
    return res.json();
  }

  async getGameSessionDetails(gameSessionId: string) {
    const res = await fetch(`${this.baseUrl}/`, {
      method: "POST",
      headers: {
        "Content-Type": "application/x-amz-json-1.1",
        "X-Amz-Target": "GameLift.DescribeGameSessions"
      },
      body: JSON.stringify({
        GameSessionId: gameSessionId,
        FleetId: this.fleetId
      })
    });
    return res.json();
  }

  async scaleFleet(desiredInstances: number) {
    const res = await fetch(`${this.baseUrl}/`, {
      method: "POST",
      headers: {
        "Content-Type": "application/x-amz-json-1.1",
        "X-Amz-Target": "GameLift.UpdateFleetCapacity"
      },
      body: JSON.stringify({
        FleetId: this.fleetId,
        DesiredEC2Instances: desiredInstances
      })
    });
    return res.json();
  }
}

// ============================================================================
// ENGINE INTEGRATIONS
// ============================================================================

/** Unity Cloud Integration */
export class UnityCloud {
  private projectId = process.env.UNITY_PROJECT_ID;
  private apiKey = process.env.UNITY_API_KEY;
  private baseUrl = "https://api.unity.com/v2";

  async buildGame(buildConfig: {
    platform: "windows" | "mac" | "linux" | "ios" | "android";
    buildName: string;
    sceneList: string[];
  }) {
    const res = await fetch(`${this.baseUrl}/projects/${this.projectId}/builds`, {
      method: "POST",
      headers: {
        "Authorization": `Basic ${Buffer.from(`:${this.apiKey}`).toString("base64")}`,
        "Content-Type": "application/json"
      },
      body: JSON.stringify({
        buildTargetId: buildConfig.platform,
        name: buildConfig.buildName,
        sceneList: buildConfig.sceneList,
        autoRun: false
      })
    });
    return res.json();
  }

  async getBuildStatus(buildId: string) {
    const res = await fetch(`${this.baseUrl}/projects/${this.projectId}/builds/${buildId}`, {
      headers: {
        "Authorization": `Basic ${Buffer.from(`:${this.apiKey}`).toString("base64")}`
      }
    });
    return res.json();
  }

  async downloadBuildArtifacts(buildId: string) {
    const res = await fetch(
      `${this.baseUrl}/projects/${this.projectId}/builds/${buildId}/artifacts`,
      {
        headers: {
          "Authorization": `Basic ${Buffer.from(`:${this.apiKey}`).toString("base64")}`
        }
      }
    );
    return res.json();
  }
}

/** Unreal Engine Integration (Pixel Streaming, Pixel Cloud) */
export class UnrealEngine {
  private projectId = process.env.UNREAL_PROJECT_ID;
  private apiKey = process.env.UNREAL_API_KEY;
  private baseUrl = "https://api.unrealengine.com";

  async getPixelStreamingStatus(sessionId: string) {
    const res = await fetch(`${this.baseUrl}/sessions/${sessionId}`, {
      headers: { "Authorization": `Bearer ${this.apiKey}` }
    });
    return res.json();
  }

  async sendPixelStreamingInput(sessionId: string, inputData: any) {
    const res = await fetch(`${this.baseUrl}/sessions/${sessionId}/input`, {
      method: "POST",
      headers: {
        "Authorization": `Bearer ${this.apiKey}`,
        "Content-Type": "application/json"
      },
      body: JSON.stringify(inputData)
    });
    return res.json();
  }

  async startPixelStreamInstance(appId: string) {
    const res = await fetch(`${this.baseUrl}/instances`, {
      method: "POST",
      headers: {
        "Authorization": `Bearer ${this.apiKey}`,
        "Content-Type": "application/json"
      },
      body: JSON.stringify({
        applicationId: appId,
        region: "us-east-1"
      })
    });
    return res.json();
  }
}

// ============================================================================
// STREAMING & CONTENT
// ============================================================================

/** Twitch Integration - Streaming, Chat, Extensions */
export class TwitchAPI {
  private clientId = process.env.TWITCH_CLIENT_ID;
  private clientSecret = process.env.TWITCH_CLIENT_SECRET;
  private baseUrl = "https://api.twitch.tv/helix";

  async getStream(broadcasterId: string) {
    const res = await fetch(`${this.baseUrl}/streams?user_id=${broadcasterId}`, {
      headers: {
        "Client-ID": this.clientId!,
        "Authorization": `Bearer ${await this.getAccessToken()}`
      }
    });
    return res.json();
  }

  async updateStream(broadcasterId: string, title: string, gameId: string) {
    const res = await fetch(`${this.baseUrl}/channels?broadcaster_id=${broadcasterId}`, {
      method: "PATCH",
      headers: {
        "Client-ID": this.clientId!,
        "Authorization": `Bearer ${await this.getAccessToken()}`,
        "Content-Type": "application/json"
      },
      body: JSON.stringify({ title, game_id: gameId })
    });
    return res.json();
  }

  async createClip(broadcasterId: string) {
    const res = await fetch(`${this.baseUrl}/clips?broadcaster_id=${broadcasterId}`, {
      method: "POST",
      headers: {
        "Client-ID": this.clientId!,
        "Authorization": `Bearer ${await this.getAccessToken()}`
      }
    });
    return res.json();
  }

  async getFollowers(broadcasterId: string) {
    const res = await fetch(`${this.baseUrl}/channels/followers?broadcaster_id=${broadcasterId}`, {
      headers: {
        "Client-ID": this.clientId!,
        "Authorization": `Bearer ${await this.getAccessToken()}`
      }
    });
    return res.json();
  }

  private async getAccessToken() {
    const res = await fetch("https://id.twitch.tv/oauth2/token", {
      method: "POST",
      body: new URLSearchParams({
        client_id: this.clientId!,
        client_secret: this.clientSecret!,
        grant_type: "client_credentials"
      })
    });
    const data = await res.json();
    return data.access_token;
  }
}

/** YouTube Gaming Integration */
export class YouTubeGaming {
  private apiKey = process.env.YOUTUBE_API_KEY;
  private clientId = process.env.YOUTUBE_CLIENT_ID;
  private clientSecret = process.env.YOUTUBE_CLIENT_SECRET;
  private baseUrl = "https://www.googleapis.com/youtube/v3";

  async searchGames(query: string) {
    const res = await fetch(
      `${this.baseUrl}/search?q=${encodeURIComponent(query)}&type=video&videoCategoryId=20&key=${this.apiKey}`
    );
    return res.json();
  }

  async uploadGameplay(videoFile: File, title: string, accessToken: string) {
    const formData = new FormData();
    formData.append("file", videoFile);
    formData.append("metadata", JSON.stringify({
      snippet: {
        title,
        categoryId: "20",
        tags: ["gaming", "aethex"]
      }
    }));

    const res = await fetch(`${this.baseUrl}/videos?uploadType=multipart&part=snippet`, {
      method: "POST",
      headers: { "Authorization": `Bearer ${accessToken}` },
      body: formData
    });
    return res.json();
  }

  async getChannelStats(accessToken: string) {
    const res = await fetch(
      `${this.baseUrl}/channels?part=statistics&mine=true`,
      {
        headers: { "Authorization": `Bearer ${accessToken}` }
      }
    );
    return res.json();
  }
}

// ============================================================================
// AI & ANALYTICS
// ============================================================================

/** Anthropic Claude API - Advanced AI */
export class ClaudeAI {
  private apiKey = process.env.ANTHROPIC_API_KEY;
  private baseUrl = "https://api.anthropic.com/v1";

  async chat(messages: Array<{ role: string; content: string }>) {
    const res = await fetch(`${this.baseUrl}/messages`, {
      method: "POST",
      headers: {
        "x-api-key": this.apiKey!,
        "anthropic-version": "2023-06-01",
        "Content-Type": "application/json"
      },
      body: JSON.stringify({
        model: "claude-3-opus-20240229",
        max_tokens: 2048,
        messages
      })
    });
    return res.json();
  }

  async analyzeGameplay(gameplayDescription: string) {
    const res = await this.chat([
      {
        role: "user",
        content: `Analyze this gameplay session and provide insights:\n${gameplayDescription}`
      }
    ]);
    return res;
  }
}

/** Firebase - Analytics, Crashlytics, Real-time DB */
export class FirebaseIntegration {
  private projectId = process.env.FIREBASE_PROJECT_ID;
  private serviceAccountKey = JSON.parse(process.env.FIREBASE_SERVICE_ACCOUNT_KEY || "{}");

  async trackEvent(userId: string, eventName: string, eventParams: Record<string, any>) {
    // Firebase Measurement Protocol via HTTP
    const res = await fetch(
      `https://www.google-analytics.com/mp/collect?measurement_id=${process.env.FIREBASE_MEASUREMENT_ID}&api_secret=${process.env.FIREBASE_API_SECRET}`,
      {
        method: "POST",
        body: JSON.stringify({
          client_id: userId,
          events: [
            {
              name: eventName,
              params: eventParams
            }
          ]
        })
      }
    );
    return res.json();
  }

  async logCrash(userId: string, errorMessage: string, stackTrace: string) {
    return this.trackEvent(userId, "app_exception", {
      error_message: errorMessage,
      stack_trace: stackTrace
    });
  }
}

/** Segment.io - Analytics Data Pipeline */
export class SegmentAnalytics {
  private writeKey = process.env.SEGMENT_WRITE_KEY;
  private baseUrl = "https://api.segment.io";

  async track(userId: string, event: string, properties: Record<string, any>) {
    const res = await fetch(`${this.baseUrl}/v1/track`, {
      method: "POST",
      headers: {
        "Authorization": `Basic ${Buffer.from(`${this.writeKey}:`).toString("base64")}`,
        "Content-Type": "application/json"
      },
      body: JSON.stringify({
        userId,
        event,
        properties,
        timestamp: new Date().toISOString()
      })
    });
    return res.json();
  }

  async identify(userId: string, traits: Record<string, any>) {
    const res = await fetch(`${this.baseUrl}/v1/identify`, {
      method: "POST",
      headers: {
        "Authorization": `Basic ${Buffer.from(`${this.writeKey}:`).toString("base64")}`,
        "Content-Type": "application/json"
      },
      body: JSON.stringify({
        userId,
        traits,
        timestamp: new Date().toISOString()
      })
    });
    return res.json();
  }
}

// ============================================================================
// STORAGE & CDN
// ============================================================================

/** AWS S3 - Game Assets, Media Storage */
export class AWSS3Storage {
  private bucketName = process.env.AWS_S3_BUCKET;
  private region = process.env.AWS_REGION || "us-east-1";
  private baseUrl = `https://${this.bucketName}.s3.${this.region}.amazonaws.com`;

  async uploadGameAsset(key: string, file: Buffer, contentType: string) {
    const res = await fetch(`${this.baseUrl}/${key}`, {
      method: "PUT",
      headers: { "Content-Type": contentType },
      body: file
    });
    return res.ok;
  }

  async getAssetUrl(key: string, expiresIn = 3600) {
    // In production, use AWS SDK for signed URLs
    return `${this.baseUrl}/${key}`;
  }

  async listGameAssets(prefix: string) {
    // Would use AWS SDK
    return [];
  }
}

/** 3D Asset Services Integration */
export class AssetServices {
  private sketchfabApiKey = process.env.SKETCHFAB_API_KEY;
  private polyhavenApiKey = process.env.POLYHAVEN_API_KEY;

  async searchSketchfab(query: string, fileType = "glb") {
    const res = await fetch(
      `https://api.sketchfab.com/v3/search?type=models&q=${encodeURIComponent(query)}&file_type=${fileType}`,
      {
        headers: { "Authorization": `Token ${this.sketchfabApiKey}` }
      }
    );
    return res.json();
  }

  async searchPolyHaven(assetType: "models" | "textures" | "hdri", query: string) {
    const res = await fetch(
      `https://api.polyhaven.com/files?asset_type=${assetType}&search=${encodeURIComponent(query)}`
    );
    return res.json();
  }

  async getTurboSquidAssets(query: string) {
    // TurboSquid API integration
    const res = await fetch(`https://api.turbosquid.com/search?q=${encodeURIComponent(query)}`);
    return res.json();
  }
}

// ============================================================================
// PAYMENT INTEGRATIONS
// ============================================================================

/** PayPal Integration */
export class PayPalIntegration {
  private clientId = process.env.PAYPAL_CLIENT_ID;
  private clientSecret = process.env.PAYPAL_CLIENT_SECRET;
  private baseUrl = process.env.PAYPAL_SANDBOX ? 
    "https://api.sandbox.paypal.com" : 
    "https://api.paypal.com";

  async createOrder(items: Array<{ name: string; quantity: number; price: string }>) {
    const res = await fetch(`${this.baseUrl}/v2/checkout/orders`, {
      method: "POST",
      headers: {
        "Authorization": `Basic ${Buffer.from(`${this.clientId}:${this.clientSecret}`).toString("base64")}`,
        "Content-Type": "application/json"
      },
      body: JSON.stringify({
        intent: "CAPTURE",
        purchase_units: [
          {
            items,
            amount: {
              currency_code: "USD",
              value: items.reduce((sum, item) => sum + (parseFloat(item.price) * item.quantity), 0).toString()
            }
          }
        ]
      })
    });
    return res.json();
  }

  async capturePayment(orderId: string) {
    const res = await fetch(`${this.baseUrl}/v2/checkout/orders/${orderId}/capture`, {
      method: "POST",
      headers: {
        "Authorization": `Basic ${Buffer.from(`${this.clientId}:${this.clientSecret}`).toString("base64")}`
      }
    });
    return res.json();
  }
}

/** Google Play Billing - Android In-App Purchases */
export class GooglePlayBilling {
  private packageName = process.env.GOOGLE_PLAY_PACKAGE_NAME;
  private serviceAccountKey = JSON.parse(process.env.GOOGLE_PLAY_SERVICE_ACCOUNT || "{}");

  async validatePurchaseToken(productId: string, token: string) {
    const res = await fetch(
      `https://androidpublisher.googleapis.com/androidpublisher/v3/applications/${this.packageName}/purchases/products/${productId}/tokens/${token}`,
      {
        headers: {
          "Authorization": `Bearer ${await this.getAccessToken()}`
        }
      }
    );
    return res.json();
  }

  private async getAccessToken() {
    // Would use JWT for service account
    return "access_token";
  }
}

/** Apple App Store Server API */
export class AppleAppStoreAPI {
  private bundleId = process.env.APPLE_BUNDLE_ID;
  private issuerId = process.env.APPLE_ISSUER_ID;
  private keyId = process.env.APPLE_KEY_ID;
  private privateKey = process.env.APPLE_PRIVATE_KEY;
  private baseUrl = "https://api.storekit.itunes.apple.com";

  async validateReceipt(transactionId: string) {
    const res = await fetch(`${this.baseUrl}/inApps/v1/transactions/${transactionId}`, {
      headers: {
        "Authorization": `Bearer ${await this.getJWT()}`
      }
    });
    return res.json();
  }

  async getTransactionHistory(originalTransactionId: string) {
    const res = await fetch(
      `${this.baseUrl}/inApps/v1/history/${originalTransactionId}`,
      {
        headers: {
          "Authorization": `Bearer ${await this.getJWT()}`
        }
      }
    );
    return res.json();
  }

  private async getJWT() {
    // Would generate JWT using private key
    return "jwt_token";
  }
}

// ============================================================================
// PLATFORM SPECIFIC
// ============================================================================

/** Google Play Services - Gaming, Leaderboards, Achievements */
export class GooglePlayServices {
  private clientId = process.env.GOOGLE_PLAY_CLIENT_ID;
  private clientSecret = process.env.GOOGLE_PLAY_CLIENT_SECRET;
  private baseUrl = "https://www.googleapis.com/games/v1";

  async getLeaderboard(leaderboardId: string, accessToken: string) {
    const res = await fetch(`${this.baseUrl}/leaderboards/${leaderboardId}`, {
      headers: { "Authorization": `Bearer ${accessToken}` }
    });
    return res.json();
  }

  async submitScore(leaderboardId: string, score: number, accessToken: string) {
    const res = await fetch(
      `${this.baseUrl}/leaderboards/${leaderboardId}/scores`,
      {
        method: "POST",
        headers: {
          "Authorization": `Bearer ${accessToken}`,
          "Content-Type": "application/json"
        },
        body: JSON.stringify({ score })
      }
    );
    return res.json();
  }

  async unlockAchievement(achievementId: string, accessToken: string) {
    const res = await fetch(`${this.baseUrl}/achievements/${achievementId}/unlock`, {
      method: "POST",
      headers: { "Authorization": `Bearer ${accessToken}` }
    });
    return res.json();
  }
}

// ============================================================================
// REGISTRY & INITIALIZATION
// ============================================================================

export const GameDevAPIs = {
  minecraft: new MinecraftAPI(),
  metaHorizon: new MetaHorizonAPI(),
  steam: new SteamAPI(),
  eos: new EpicOnlineServices(),
  playFab: new PlayFabAPI(),
  gameLift: new AWSGameLift(),
  unity: new UnityCloud(),
  unreal: new UnrealEngine(),
  twitch: new TwitchAPI(),
  youtube: new YouTubeGaming(),
  claude: new ClaudeAI(),
  firebase: new FirebaseIntegration(),
  segment: new SegmentAnalytics(),
  s3: new AWSS3Storage(),
  assets: new AssetServices(),
  paypal: new PayPalIntegration(),
  googlePlay: new GooglePlayBilling(),
  appStore: new AppleAppStoreAPI(),
  googlePlayServices: new GooglePlayServices()
};

export type GameDevAPIsType = typeof GameDevAPIs;