import type { ValidationResult, ValueValidationResult } from '../utils/validation';

let verboseMode = false;

export function setVerbose(enabled: boolean): void {
  verboseMode = enabled;
}

export class CliError extends Error {
  constructor(
    message: string,
    readonly code?: string,
  ) {
    super(message);
    this.name = 'CliError';
  }
}

export function fail(message: string, code?: string): never {
  throw new CliError(message, code);
}

export function requireForceForBulkDelete(options: { command: string; force?: boolean; dryRun?: boolean }): void {
  if (!options.dryRun && !options.force) {
    fail(
      `${options.command} requires --force to delete data. Preview the affected rows first with --dry-run, then re-run with --force.`,
      'FORCE_REQUIRED',
    );
  }
}

export function assertValid(result: ValidationResult): void {
  if (!result.valid) {
    fail(result.error);
  }
}

export function requireValue<T>(result: ValueValidationResult<T>): T {
  if (!result.valid) {
    fail(result.error);
  }
  return result.value;
}

export function isVerbose(): boolean {
  return verboseMode || process.env.RSS_DEBUG === '1';
}