import type { TFunction } from "i18next";
import type { JobResult } from "./api";
import { formatNumber } from "./format";
import { vocabKey } from "./vocab";

/** A scheduler job's result in the reader's language (E30): "új videó: 3 · sikertelen: 0". The server
 *  stored "new=3, failed=0" — English keys, a Python dict repr for a nested phase. A count's key is
 *  named from `scheduler.result`, a `skipped` / `reason` word from `scheduler.skip`; an unnamed key or
 *  word shows as it is, and an `error` stays the upstream's own text (it is diagnostic). */
export function jobResultText(t: TFunction, result: JobResult): string {
  return Object.entries(result)
    .map(([key, value]) => {
      const label = t(`scheduler.result.${key}`, { defaultValue: key.replace(/_/g, " ") });
      if (typeof value === "number") return `${label}: ${formatNumber(value)}`;
      if (typeof value === "string")
        return key === "error"
          ? `${label}: ${value}`
          : `${label}: ${t(`scheduler.skip.${vocabKey(value)}`, { defaultValue: value })}`;
      return `${label} (${jobResultText(t, value)})`;
    })
    .join(" · ");
}