import type { CloudRegionSummary } from "@dci/core";
import { Badge, type BadgeTone } from "@/components/ui/badge";
import { api } from "@/lib/api";
import { routes } from "@/lib/routes";

export type CloudStatus = CloudRegionSummary["status"];

export const CLOUD_STATUSES: CloudStatus[] = ["operational", "announced", "restricted", "retired"];

export const CLOUD_STATUS_LABEL: Record<CloudStatus, string> = {
  operational: "Operational",
  announced: "Announced",
  restricted: "Restricted",
  retired: "Retired",
};

const TONE: Record<CloudStatus, BadgeTone> = { operational: "ok", announced: "info", restricted: "warn", retired: "neutral" };

export function CloudStatusBadge({ status, size = "xs" }: { status: CloudStatus; size?: "xs" | "sm" }) {
  return (
    <Badge tone={TONE[status]} size={size} title={`Region status: ${CLOUD_STATUS_LABEL[status]}`}>
      {CLOUD_STATUS_LABEL[status]}
    </Badge>
  );
}

/** iso2 → canonical country page href (falls back to the facility index filtered by country). */
export async function countryHrefMap(): Promise<(iso2: string | null | undefined) => string | null> {
  const c = await api.countries();
  const map = new Map<string, string>();
  for (const x of c.items) map.set(x.iso2.toUpperCase(), x.slug);
  return (iso2) => {
    if (!iso2) return null;
    const slug = map.get(iso2.toUpperCase());
    return slug ? routes.country(slug) : routes.datacenters(`country=${iso2.toUpperCase()}`);
  };
}