import { content } from "@deadhead/content";
import { describe, expect, it } from "vitest";
import {
  createRepositionRecord,
  validateReposition,
  type PilotState,
  type RepositionProposal,
  type ShipState,
} from "../src/index";

const now = Date.parse("2100-01-01T00:30:00Z");
const ship: ShipState = { id: "s1", modelId: "courier", locationId: "earth", inFlight: false };
const pilot: PilotState = {
  id: "p1",
  isAvatar: false,
  assignedShipId: "s1",
  inFlight: false,
  skills: {},
};
const valid: RepositionProposal = {
  ship,
  pilot,
  destinationId: "moon",
  bayLocationIds: new Set(["earth", "moon"]),
  credits: 10_000,
  now,
};

const reason = (proposal: RepositionProposal) => {
  const result = validateReposition(proposal, content);
  return result.ok ? "valid" : result.reason;
};

describe("reposition", () => {
  it("accepts an empty flight to a bay in range, with no skills needed", () => {
    expect(reason(valid)).toBe("valid");
  });

  it("fails validation when the destination has no player bay", () => {
    expect(reason({ ...valid, bayLocationIds: new Set(["earth"]) })).toBe("no-bay-at-destination");
  });

  it("still applies range and fuel checks", () => {
    expect(
      reason({ ...valid, destinationId: "mars", bayLocationIds: new Set(["earth", "mars"]) }),
    ).toBe("out-of-range");
    expect(reason({ ...valid, credits: 0 })).toBe("insufficient-credits");
  });

  it("rejects flying to where the ship already is, or with a busy or unassigned crew", () => {
    expect(reason({ ...valid, destinationId: "earth" })).toBe("already-there");
    expect(reason({ ...valid, ship: { ...ship, inFlight: true } })).toBe("ship-not-idle");
    expect(reason({ ...valid, pilot: { ...pilot, inFlight: true } })).toBe("pilot-not-idle");
    expect(reason({ ...valid, pilot: { ...pilot, assignedShipId: null } })).toBe(
      "pilot-not-assigned",
    );
  });

  it("creates a record with no contract, zero payout and a fuel charge", () => {
    const record = createRepositionRecord(
      { id: "r1", ship, pilot, destinationId: "moon", now, worldSeed: 7 },
      content,
    );
    expect(record.contract).toBeNull();
    expect(record.expectedPayout).toBe(0);
    expect(record.fuelCost).toBeGreaterThan(0);
    expect([record.originId, record.destinationId]).toEqual(["earth", "moon"]);
    expect(record.arrivalAt).toBeGreaterThan(record.departureAt);
  });
});