/**
 * Unified error types for opencli.
 *
 * All errors thrown by the framework should extend CliError so that
 * the top-level handler in main.ts can render consistent, helpful output.
 */

export class CliError extends Error {
  /** Machine-readable error code (e.g. 'BROWSER_CONNECT', 'ADAPTER_LOAD') */
  readonly code: string;
  /** Human-readable hint on how to fix the problem */
  readonly hint?: string;

  constructor(code: string, message: string, hint?: string) {
    super(message);
    this.name = 'CliError';
    this.code = code;
    this.hint = hint;
  }
}

export class BrowserConnectError extends CliError {
  constructor(message: string, hint?: string) {
    super('BROWSER_CONNECT', message, hint);
    this.name = 'BrowserConnectError';
  }
}

export class AdapterLoadError extends CliError {
  constructor(message: string, hint?: string) {
    super('ADAPTER_LOAD', message, hint);
    this.name = 'AdapterLoadError';
  }
}

export class CommandExecutionError extends CliError {
  constructor(message: string, hint?: string) {
    super('COMMAND_EXEC', message, hint);
    this.name = 'CommandExecutionError';
  }
}

export class ConfigError extends CliError {
  constructor(message: string, hint?: string) {
    super('CONFIG', message, hint);
    this.name = 'ConfigError';
  }
}