/**
 * Error types raised by the config and env loaders.
 *
 * These are deliberately distinct from `Error` subclasses inside `@elly/core`
 * or `@elly/bot` — they cross the workspace boundary and must be importable
 * by both runtimes without dragging unrelated dependencies along.
 */

export class ConfigError extends Error {
  readonly path: string;

  constructor(message: string, path: string) {
    super(message);
    this.name = "ConfigError";
    this.path = path;
  }
}

export class ConfigValidationError extends ConfigError {
  readonly issues: readonly ConfigValidationIssue[];

  constructor(message: string, path: string, issues: readonly ConfigValidationIssue[]) {
    super(message, path);
    this.name = "ConfigValidationError";
    this.issues = issues;
  }
}

export interface ConfigValidationIssue {
  readonly path: string;
  readonly message: string;
  readonly code: string;
}

export class EnvValidationError extends Error {
  readonly issues: readonly ConfigValidationIssue[];

  constructor(message: string, issues: readonly ConfigValidationIssue[]) {
    super(message);
    this.name = "EnvValidationError";
    this.issues = issues;
  }
}