// Pure logic behind the image-fetch surfaces (SD-0002 §5.5): the run-detail
// progress/outcome labels + the history "Images" cell + terminal-status test
// that drives polling. Mirrors exportMenu.ts: pure helpers unit-tested here,
// the JSX verified by the E2E suite (SLICE-2/3 pattern).
import type { ImageCounts } from "../../productsApi";

export function imageProgressLabel(p: { done: number; total: number }): string {
  return `Fetching images: ${p.done.toLocaleString()} of ${p.total.toLocaleString()}`;
}

export function imageOutcomeSummary(c: ImageCounts): string {
  return `${c.fetched.toLocaleString()} fetched · ${c.rejected.toLocaleString()} rejected · ${c.failed.toLocaleString()} failed`;
}

export function historyImageCell(c: ImageCounts | undefined): string {
  if (!c || c.fetched + c.rejected + c.failed === 0) return "—";
  const bad = c.rejected + c.failed;
  return bad === 0
    ? `${c.fetched.toLocaleString()} ✓`
    : `${c.fetched.toLocaleString()} ✓ · ${bad.toLocaleString()} ✗`;
}

export function isRunTerminal(status: string): boolean {
  return status === "complete" || status === "complete_with_problems";
}

export function outcomeLabel(outcome: string): string {
  if (outcome === "rejected_low_res") return "Rejected — below the resolution bar";
  if (outcome === "rejected_not_image") return "Rejected — not a supported image";
  if (outcome === "failed") return "Failed — unreachable";
  return outcome;
}