export type SerializableRequest = {
  id?: string;
  url: string;
  streaming?: boolean;
  options: {
    method?: string;
    headers?: Record<string, string>;
    body?: string;
  };
};

export type SerializableResponse = {
  id?: string;
  status: number;
  statusText: string;
  headers: Record<string, string>;
  body: string;
};

// Helper type for branded JSON strings
export type TypedBody<T> = string & { __type?: T };

// Client-side RPC types
export type RPCRequestPayload = {
  type: "fetch" | "streamingFetch";
  request: SerializableRequest;
};

export type RPCResponsePayload = {
  type: "fetch";
  response: SerializableResponse;
};

export type RPCRequest = {
  id: string;
  type: "rpc";
  payload: RPCRequestPayload;
};

export type RPCSuccessResponse = {
  id: string;
  type: "rpcResponse";
  payload: RPCResponsePayload;
};

export type RPCStreamChunkResponse = {
  id: string;
  type: "rpcStreamChunk";
  chunk: string;
};

export type RPCStreamEndResponse = {
  id: string;
  type: "rpcStreamEnd";
  payload?: RPCResponsePayload;
};

export type RPCErrorResponse = {
  id: string;
  type: "rpcResponse";
  error: any;
};

export type RPCResponse =
  | RPCSuccessResponse
  | RPCErrorResponse
  | RPCStreamChunkResponse
  | RPCStreamEndResponse;

export type UploadProgress = {
  loaded: number;
  total?: number;
  percent?: number; // 0-100
};