import { content, upgradePercentPerLevel, type ShipModel } from "@deadhead/content";
import { describe, expect, it } from "vitest";
import { checkRoute } from "../src/index";

const courier = content.shipModel("courier")!;
const tanks = content.upgrade("fuel-tanks")!;
const earth = content.location("earth")!;
const moon = content.location("moon")!;
const mars = content.location("mars")!;

/** A Courier with fuel tanks at `level` (decision 0.5.63: linear % of base range). */
const withTanks = (level: number): ShipModel => ({
  ...courier,
  fuelRangeMillionKm:
    courier.fuelRangeMillionKm * (1 + (upgradePercentPerLevel(tanks, "courier") * level) / 100),
});

// Decision 0.5.68 as amended by CR-015: a plain yes or no on the fixed map.
describe("Courier to Mars (decision 0.5.68)", () => {
  it("reaches Mars from Earth with maxed fuel tanks", () => {
    expect(checkRoute(withTanks(3), earth, mars)).toEqual({ ok: true });
  });

  it("can't reach Mars from Earth or the Moon with fuel tanks at level 2 or less", () => {
    for (const level of [0, 1, 2]) {
      expect(checkRoute(withTanks(level), earth, mars).ok, `level ${level}`).toBe(false);
      expect(checkRoute(withTanks(level), moon, mars).ok, `level ${level}`).toBe(false);
    }
  });
});