import { ReportData, GroupKey } from "../../features/report";
import {
  formatCurrency,
  extractFilteredTransactions,
} from "../report.helpers";
import { LatestItem } from "./LatestItems.models";

// ─── Main adapter ────────────────────────────────────────────

export function buildLatestItems(
  reportData: ReportData,
  selectedPeriodId: string | null | undefined,
  selectedGroupKey: GroupKey | null | undefined,
  flow: "outflows" | "inflows"
): LatestItem[] {
  const txns = extractFilteredTransactions(reportData, selectedPeriodId, selectedGroupKey);

  return txns
    .sort(
      (a, b) =>
        new Date(b.occurred_at).getTime() -
        new Date(a.occurred_at).getTime()
    )
    .map((t, index) => ({
      id: index + 1,
      title: t.payee.name,
      subtitle: t.tags.map((tag) => tag.name).join(", "),
      amount: formatCurrency(t.amount),
      timeAgo: new Date(t.occurred_at).toLocaleDateString("en-IN"),
    }));
}