/**
 * Quiet renderer for CLI output.
 *
 * Outputs only ID fields, one per line. Useful for scripting and pipelines.
 */

import type { AnyCommandResult, OutputOptions } from "./types.js";

/** Extract ID from item using schema definition */
function getId<T>(item: T, idField: keyof T | ((item: T) => string)): string {
  if (typeof idField === "function") {
    return idField(item);
  }
  return String(item[idField]);
}

/** Render command result in quiet mode (IDs only) */
export function renderQuiet<T>(result: AnyCommandResult<T>, _options: OutputOptions): string {
  if (result.type === "single") {
    return getId(result.data, result.schema.idField);
  } else {
    return result.data.map((item) => getId(item, result.schema.idField)).join("\n");
  }
}