/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow strict-local
 * @format
 */

import type { JSONSerializable } from "../types";
import type { Commands, Events } from "./protocol";

// Note: A CDP event is a JSON-RPC notification with no `id` member.
export type CDPEvent<TEvent: keyof Events = "unknown"> = {
  method: TEvent,
  params: Events[TEvent],
};

export type CDPRequest<TCommand: keyof Commands = "unknown"> = {
  method: TCommand,
  params: Commands[TCommand]["paramsType"],
  id: number,
};

export type CDPResponse<TCommand: keyof Commands = "unknown"> =
  | {
      result: Commands[TCommand]["resultType"],
      id: number,
    }
  | {
      error: CDPRequestError,
      id: number,
    };

export type CDPRequestError = {
  code: number,
  message: string,
  data?: JSONSerializable,
};

export type CDPClientMessage =
  | CDPRequest<"Debugger.getScriptSource">
  | CDPRequest<"Debugger.scriptParsed">
  | CDPRequest<"Debugger.setBreakpointByUrl">
  | CDPRequest<"Network.loadNetworkResource">
  | CDPRequest<>;

export type CDPServerMessage =
  | CDPEvent<"Debugger.scriptParsed">
  | CDPEvent<"Runtime.consoleAPICalled">
  | CDPEvent<>
  | CDPResponse<"Debugger.getScriptSource">
  | CDPResponse<>;