import { content } from "@deadhead/content";

export function formatCredits(credits: number): string {
  return `${Math.round(credits).toLocaleString("en-US")} cr`;
}

/** A duration as the two largest units: "2h 05m", "4m 09s", "45s". */
export function formatDuration(ms: number): string {
  const totalSeconds = Math.max(0, Math.ceil(ms / 1000));
  const hours = Math.floor(totalSeconds / 3600);
  const minutes = Math.floor((totalSeconds % 3600) / 60);
  const seconds = totalSeconds % 60;
  const pad = (n: number) => String(n).padStart(2, "0");
  if (hours > 0) return `${hours}h ${pad(minutes)}m`;
  if (minutes > 0) return `${minutes}m ${pad(seconds)}s`;
  return `${seconds}s`;
}

/** A countdown as "mm:ss", or "h:mm:ss" from an hour up. */
export function formatClock(ms: number): string {
  const totalSeconds = Math.max(0, Math.ceil(ms / 1000));
  const hours = Math.floor(totalSeconds / 3600);
  const pad = (n: number) => String(n).padStart(2, "0");
  const mmss = `${pad(Math.floor((totalSeconds % 3600) / 60))}:${pad(totalSeconds % 60)}`;
  return hours > 0 ? `${hours}:${mmss}` : mmss;
}

/** A game-hours duration, e.g. "5.4 h" or "250 h". */
export function formatGameHours(hours: number): string {
  return hours < 10 ? `${hours.toFixed(1)} h` : `${Math.round(hours)} h`;
}

export function formatMillionKm(distance: number): string {
  return distance < 10 ? `${distance.toFixed(2)}M km` : `${Math.round(distance)}M km`;
}

export function locationName(id: string): string {
  return content.location(id)?.name ?? id;
}

/** A location as a destination in a sentence: "to the Moon", "to Mars". */
export function toLocation(id: string): string {
  return id === "moon" ? "to the Moon" : `to ${locationName(id)}`;
}

export function shipModelName(id: string): string {
  return content.shipModel(id)?.name ?? id;
}

export function cargoName(id: string): string {
  return content.cargoType(id)?.name ?? id;
}

export function skillName(id: string): string {
  return content.skill(id)?.name ?? id;
}