import { describe, expect, it } from "vitest";
import {
  content,
  dealLoanAmount,
  gameConfig,
  gameConfigSchema,
  locations,
  shipModels,
  skills,
} from "../src/index";

describe("game config", () => {
  it("passes the schema", () => {
    expect(() => gameConfigSchema.parse(gameConfig)).not.toThrow();
  });

  it("uses 1 real minute = 1 game hour", () => {
    expect(gameConfig.timeCompression).toBe(60);
  });

  it("has one Long Haul cut-off per Long Haul level", () => {
    const longHaul = skills.find((s) => s.id === "long-haul")!;
    expect(gameConfig.longHaulCutoffsMillionKm).toHaveLength(longHaul.maxLevel);
  });

  // The "fuel for three Courier runs after the deal" check (Step 2.5 as amended
  // by CR-001) runs on measured numbers in packages/sim/test/balance.test.ts (Step 12.2).

  it("sizes the tutorial board and loaner for the three mass tiers", () => {
    expect(gameConfig.tutorialBoardSize).toBe(3);
    const loaner = shipModels.find((s) => s.id === gameConfig.tutorialLoanerShipModelId)!;
    expect(loaner.purchasable).toBe(false);
    expect(gameConfig.tutorialMassTonnes.full).toBeLessThanOrEqual(loaner.cargoCapacityTonnes);
  });

  it("lends the Courier and Clipper prices plus an Earth bay lease in the deal (0.5.83)", () => {
    const price = (id: string) => shipModels.find((s) => s.id === id)!.price;
    const earth = locations.find((l) => l.id === "earth")!;
    expect(gameConfig.deal).toEqual({
      avatarShipModelId: "courier",
      veteranShipModelId: "clipper",
      bayLocationId: "earth",
    });
    expect(content.dealLoanAmount).toBe(price("courier") + price("clipper") + earth.bayLeasePrice);
  });

  it("recomputes the deal loan when any of those prices change", () => {
    const base = dealLoanAmount({ config: gameConfig, shipModels, locations });
    const bump = (id: string) =>
      shipModels.map((s) => (s.id === id ? { ...s, price: s.price + 100 } : s));
    expect(dealLoanAmount({ config: gameConfig, shipModels: bump("courier"), locations })).toBe(
      base + 100,
    );
    expect(dealLoanAmount({ config: gameConfig, shipModels: bump("clipper"), locations })).toBe(
      base + 100,
    );
    const pricierEarth = locations.map((l) =>
      l.id === "earth" ? { ...l, bayLeasePrice: l.bayLeasePrice + 7 } : l,
    );
    expect(dealLoanAmount({ config: gameConfig, shipModels, locations: pricierEarth })).toBe(
      base + 7,
    );
  });

  it("has a contract mass band each purchasable ship can carry", () => {
    for (const ship of shipModels.filter((s) => s.purchasable)) {
      expect(
        gameConfig.contractMassBands.some((band) => band.max <= ship.cargoCapacityTonnes),
      ).toBe(true);
    }
    const total = gameConfig.contractMassBands.reduce((sum, b) => sum + b.count, 0);
    expect(total).toBe(gameConfig.contractBoardSize);
  });

  it("rests a pilot for at least one contract board period of real time (CR-004)", () => {
    const restRealMinutes = (gameConfig.restGameHours * 60) / gameConfig.timeCompression;
    expect(restRealMinutes).toBeGreaterThanOrEqual(gameConfig.contractBoardPeriodRealMinutes);
  });

  it("has positive duty numbers (CR-004)", () => {
    expect(gameConfig.dutyLimitGameHours).toBeGreaterThan(0);
    expect(gameConfig.longHaulDutyBonusGameHours).toBeGreaterThan(0);
  });
});

describe("tutorial settings (Step 17.1, decisions 0.5.106, 0.5.107)", () => {
  it("runs five tutorial runs before the deal, at double XP", () => {
    expect(gameConfig.tutorialRunsBeforeDeal).toBe(5);
    expect(gameConfig.tutorialXpMultiplier).toBe(2);
  });

  it("never lets the tutorial XP multiplier fall below 1", () => {
    expect(gameConfigSchema.safeParse(gameConfig).success).toBe(true);
    expect(gameConfigSchema.safeParse({ ...gameConfig, tutorialXpMultiplier: 0.5 }).success).toBe(
      false,
    );
  });
});