import { content } from "@deadhead/content";
import { describe, expect, it } from "vitest";
import {
  createDispatchRecord,
  MS_PER_HOUR,
  travelTimeGameHours,
  type Contract,
  type RecordInput,
} from "../src/index";

const now = Date.parse("2100-01-01T00:30:00Z");
const contract: Contract = {
  id: "c1",
  originId: "earth",
  destinationId: "moon",
  cargoTypeId: "standard",
  tier: 0,
  massTonnes: 10,
  payout: 2000,
  requiredSkill: null,
  requiredLongHaulLevel: 0,
  offeredAt: Date.parse("2100-01-01T00:00:00Z"),
  expiresAt: Date.parse("2100-01-01T01:00:00Z"),
  firstContact: false,
};
const input: RecordInput = {
  id: "d1",
  ship: { id: "s1", modelId: "courier", locationId: "earth", inFlight: false },
  pilot: {
    id: "p1",
    isAvatar: false,
    assignedShipId: "s1",
    inFlight: false,
    skills: {},
    restEndsAt: null,
  },
  contract,
  tutorial: false,
  now,
  worldSeed: 7,
};

describe("dispatch record", () => {
  it("arrives after exactly the travel time converted to real time", () => {
    const record = createDispatchRecord(input, content);
    const courier = content.shipModel("courier")!;
    const travelGameMs =
      travelTimeGameHours(courier, record.distanceMillionKm, contract.massTonnes, content.config) *
      MS_PER_HOUR;
    expect(record.arrivalAt - record.departureAt).toBe(
      Math.round(travelGameMs / content.config.timeCompression),
    );
  });

  it("copies the route, payout and parties, and charges fuel", () => {
    const record = createDispatchRecord(input, content);
    expect(record).toMatchObject({
      id: "d1",
      shipId: "s1",
      pilotId: "p1",
      originId: "earth",
      destinationId: "moon",
      departureAt: now,
      expectedPayout: 2000,
      tutorial: false,
    });
    expect(record.fuelCost).toBeGreaterThan(0);
  });

  it("charges no fuel on a tutorial run", () => {
    expect(createDispatchRecord({ ...input, tutorial: true }, content).fuelCost).toBe(0);
  });

  it("is identical for identical inputs and seeded per dispatch", () => {
    expect(createDispatchRecord(input, content)).toEqual(createDispatchRecord(input, content));
    expect(createDispatchRecord({ ...input, id: "d2" }, content).seed).not.toBe(
      createDispatchRecord(input, content).seed,
    );
  });
});