import { pilotExtras } from "./fixtures";
import { content } from "@deadhead/content";
import type { Contract, Pilot, Ship } from "@deadhead/schema";
import {
  MS_PER_HOUR,
  realToGame,
  routeDistance,
  travelTimeGameHours,
  tripFuel,
  pilotShare,
} from "@deadhead/sim";
import { screen, waitFor, within } from "@testing-library/react";
import userEvent from "@testing-library/user-event";
import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
import { ApiError } from "../src/api/client";
import { useClock } from "../src/clock/clock";
import { formatGameTime } from "../src/clock/GameClock";
import { formatCredits, formatDuration } from "../src/format";
import { formatLocalTime } from "../src/screens/DispatchSheet";
import { fakeApi, renderApp, samplePlayerState, shipExtras } from "./render";

const NOW = Date.parse("2100-01-01T00:00:00Z");

const ship = (id: string, name: string, modelId: string, pilotId: string | null): Ship => ({
  id,
  name,
  modelId,
  status: "idle",
  locationId: "earth",
  dispatchId: null,
  lastArrivalAt: 0,
  ...shipExtras(modelId),
  pilotId,
});

const pilot = (id: string, name: string, shipId: string, isAvatar: boolean): Pilot => ({
  id,
  name,
  isAvatar,
  isVeteran: false,
  xp: 0,
  level: 0,
  skills: {},
  skillPointsAvailable: 0,
  assignedShipId: shipId,
  status: "idle",
  locationId: "earth",
  dutyHours: 0,
  dutyLimit: 12,
  resting: false,
  restEndsAt: null,
  ...pilotExtras,
});

const marsJob: Contract = {
  id: "c-mars",
  originId: "earth",
  destinationId: "mars",
  cargoTypeId: "standard",
  goodId: "consumer-goods",
  shipper: "Pacific Orbital Logistics",
  priority: false,
  deliveryWindowGameHours: null,
  tier: 0,
  massTonnes: 15,
  payout: 500_000,
  requiredSkill: null,
  requiredLongHaulLevel: 0,
  offeredAt: NOW,
  expiresAt: NOW + 3_600_000,
  firstContact: false,
};

const state = samplePlayerState({
  tutorial: null,
  company: { id: "c", name: "D", credits: 1_000_000, loanBalance: 0 },
  bays: [{ id: "b1", locationId: "earth" }],
  ships: [
    ship("s-courier", "Dusty Mule", "courier", "avatar"),
    ship("s-freighter", "Slow Ox", "freighter", "p-rae"),
    ship("s-spare", "Spare Kettle", "courier", null),
  ],
  pilots: [
    pilot("avatar", "Captain", "s-courier", true),
    pilot("p-rae", "Rae Okafor", "s-freighter", false),
  ],
});

function api(createDispatch?: () => never) {
  return fakeApi({
    getPlayerState: () => state,
    getContractBoard: () => ({ contracts: [marsJob], periodEndsAt: NOW + 3_600_000 }),
    ...(createDispatch ? { createDispatch } : {}),
  });
}

async function openSheet() {
  await userEvent.click(await screen.findByRole("button", { name: "Dispatch" }));
  return screen.getByRole("dialog");
}

const option = (dialog: HTMLElement, shipName: string) =>
  within(dialog).getByText(shipName).closest("li")!;

describe("dispatch sheet", () => {
  beforeEach(() => {
    vi.useFakeTimers({ toFake: ["Date", "setInterval", "clearInterval"] });
    vi.setSystemTime(NOW);
    useClock.setState({ offsetMs: 0, synced: true, now: NOW });
  });
  afterEach(() => vi.useRealTimers());

  it("shows the sim's trip time, fuel, net profit and ETAs for an eligible pair", async () => {
    renderApp(api(), "/contracts");
    const dialog = await openSheet();
    const freighter = option(dialog, "Slow Ox");

    const model = content.shipModel("freighter")!;
    const earth = content.location("earth")!;
    const mars = content.location("mars")!;
    const tripMs =
      (travelTimeGameHours(model, routeDistance(earth, mars), marsJob.massTonnes, content.config) *
        MS_PER_HOUR) /
      content.config.timeCompression;
    // The fixtures' tanks were filled at 16 cr/fu (CR-015).
    const fuel = Math.round(tripFuel(model, earth, mars, content.config) * 16);
    const net = marsJob.payout - fuel - pilotShare(marsJob.payout, fuel, content.config);

    expect(within(freighter).getByRole("radio")).toBeEnabled();
    expect(freighter).toHaveTextContent(`Trip${formatDuration(tripMs)}`);
    expect(freighter).toHaveTextContent(`Fuel used (at your average price)${formatCredits(fuel)}`);
    expect(freighter).toHaveTextContent(`Net profit${formatCredits(net)}`);
    expect(freighter).toHaveTextContent(
      `ETA (game)${formatGameTime(realToGame(NOW + tripMs, content.config), "locale")}`,
    );
    expect(freighter).toHaveTextContent(`ETA (real)${formatLocalTime(NOW + tripMs)}`);
  });

  it("lists ineligible pairs disabled, with the reason", async () => {
    renderApp(api(), "/contracts");
    const dialog = await openSheet();

    const courier = option(dialog, "Dusty Mule");
    expect(within(courier).getByRole("radio")).toBeDisabled();
    expect(courier).toHaveTextContent("Out of range");

    const spare = option(dialog, "Spare Kettle");
    expect(within(spare).getByRole("radio")).toBeDisabled();
    expect(spare).toHaveTextContent("No pilot assigned");
  });

  it("sends the dispatch for the chosen pair on Confirm", async () => {
    const fake = api();
    renderApp(fake, "/contracts");
    const dialog = await openSheet();
    await userEvent.click(within(dialog).getByRole("button", { name: "Confirm" }));
    await waitFor(() =>
      expect(fake.call).toHaveBeenCalledWith("createDispatch", {
        kind: "contract",
        contractId: "c-mars",
        shipId: "s-freighter",
        pilotId: "p-rae",
      }),
    );
  });

  it("shows the server's message when the dispatch is refused", async () => {
    renderApp(
      api(() => {
        throw new ApiError(409, "contract-expired", "This contract has expired.");
      }),
      "/contracts",
    );
    const dialog = await openSheet();
    await userEvent.click(within(dialog).getByRole("button", { name: "Confirm" }));
    expect(await within(dialog).findByRole("alert")).toHaveTextContent(
      "This contract has expired.",
    );
  });
});