import type { MetagameWorld } from "./metagame";
import { totalPopulation, type Zone } from "./saerro";

export const contPrioritySort = (
  a: MetagameWorld["zones"][number],
  b: MetagameWorld["zones"][number]
) => {
  // Sort priority:
  // 1. oldest alert
  // 2. unlocked by id
  // 3. oldest locked since

  if (a.locked && !b.locked) {
    return 1;
  } else if (!a.locked && b.locked) {
    return -1;
  }

  if (a.alert && b.alert) {
    return Date.parse(a.alert.start_time) - Date.parse(b.alert.start_time);
  }

  if (a.alert) {
    return -1;
  }

  if (b.alert) {
    return 1;
  }

  if (a.locked_since && b.locked_since) {
    return Date.parse(a.locked_since) - Date.parse(b.locked_since);
  }

  if (a.locked_since) {
    return -1;
  }

  if (b.locked_since) {
    return 1;
  }

  return 0;
};

export const zonePopulationSort = (a: Zone, b: Zone): number => {
  const total = ({ nc, vs, tr }: { nc: number; vs: number; tr: number }) =>
    nc + vs + tr;
  const ap = total(a.population);
  const bp = total(b.population);

  if (ap < bp) {
    return 1;
  }

  if (ap > bp) {
    return -1;
  }

  if (ap === bp) {
    return a.id < b.id ? 1 : -1;
  }

  return 0;
};