import type { Contract, Pilot, Ship } from "@deadhead/schema";
import { screen, within } from "@testing-library/react";
import userEvent from "@testing-library/user-event";
import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
import { useClock } from "../src/clock/clock";
import { fakeApi, renderApp, samplePlayerState, shipExtras } from "./render";

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

const contract = (overrides: Partial<Contract>): Contract => ({
  id: "c",
  originId: "earth",
  destinationId: "moon",
  cargoTypeId: "standard",
  goodId: "consumer-goods",
  shipper: "Pacific Orbital Logistics",
  priority: false,
  deliveryWindowGameHours: null,
  tier: 0,
  massTonnes: 50,
  payout: 2000,
  requiredSkill: null,
  requiredLongHaulLevel: 0,
  offeredAt: NOW,
  expiresAt: NOW + 30 * 60_000,
  firstContact: false,
  ...overrides,
});

const boards: Record<string, Contract[]> = {
  earth: [
    contract({ id: "e1", payout: 1999 }),
    contract({
      id: "e2",
      destinationId: "mars",
      cargoTypeId: "heavy",
      goodId: "machine-parts",
      shipper: "Pacific Orbital Logistics",
      priority: false,
      deliveryWindowGameHours: null,
      tier: 2,
      requiredSkill: { skillId: "heavy-cargo", level: 2 },
      requiredLongHaulLevel: 1,
      firstContact: true,
      payout: 88_000,
    }),
  ],
  moon: [contract({ id: "m1", originId: "moon", destinationId: "earth", payout: 1234 })],
};

const ship = (id: string, overrides: Partial<Ship>): Ship => ({
  id,
  modelId: "courier",
  name: id,
  status: "idle",
  locationId: "earth",
  dispatchId: null,
  pilotId: null,
  lastArrivalAt: NOW - 60_000,
  ...shipExtras("courier"),
  ...overrides,
});

/** Only an Earth bay; one crewed idle ship at Earth, two at the Moon (the newest arrival). */
const owner = () => {
  const base = samplePlayerState();
  const crew = (id: string, shipId: string, locationId: string): Pilot => ({
    ...base.pilots[0]!,
    id,
    isAvatar: id === "avatar",
    assignedShipId: shipId,
    locationId,
  });
  return samplePlayerState({
    tutorial: null,
    bays: [{ id: "b1", locationId: "earth" }],
    ships: [
      ship("s1", { locationId: "earth", pilotId: "avatar", lastArrivalAt: NOW - 120_000 }),
      ship("s2", { locationId: "moon", pilotId: "p2", lastArrivalAt: NOW - 1000 }),
      ship("s3", { locationId: "moon", pilotId: "p3", lastArrivalAt: NOW - 90_000 }),
      ship("s4", { status: "in-flight", locationId: null, dispatchId: "d", lastArrivalAt: NOW }),
    ],
    pilots: [crew("avatar", "s1", "earth"), crew("p2", "s2", "moon"), crew("p3", "s3", "moon")],
  });
};

const boardApi = () =>
  fakeApi({
    getPlayerState: owner,
    getContractBoard: ({ locationId }) => ({
      contracts: boards[locationId] ?? [],
      periodEndsAt: NOW + 30 * 60_000,
    }),
  });

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

  it("lists every discovered location, none undiscovered, with ready-ship badges", async () => {
    renderApp(boardApi(), "/contracts");
    const group = await screen.findByRole("group", { name: "Location" });
    const names = within(group)
      .getAllByRole("button")
      .map((b) => b.textContent?.replace(/[0-9]+$/, ""));
    expect(names).toEqual(["Earth", "Moon"]);
    expect(within(group).getByRole("button", { name: /Earth/ })).toContainElement(
      within(group).getByLabelText("1 ship ready"),
    );
    expect(within(group).getByRole("button", { name: /Moon/ })).toContainElement(
      within(group).getByLabelText("2 ships ready"),
    );
  });

  it("opens on the most recently arrived idle ship's location, and switches on tap", async () => {
    renderApp(boardApi(), "/contracts");
    expect(await screen.findByText("1,234 cr")).toBeInTheDocument();
    expect(screen.getByRole("button", { name: /Moon/, pressed: true })).toBeInTheDocument();

    await userEvent.click(screen.getByRole("button", { name: /Earth/ }));
    expect(await screen.findByText("1,999 cr")).toBeInTheDocument();
    expect(screen.queryByText("1,234 cr")).not.toBeInTheDocument();
  });

  it("defaults to Earth when no ship is idle", async () => {
    const api = fakeApi({
      getPlayerState: () => samplePlayerState({ tutorial: null }),
      getContractBoard: ({ locationId }) => ({
        contracts: boards[locationId] ?? [],
        periodEndsAt: NOW + 30 * 60_000,
      }),
    });
    renderApp(api, "/contracts");
    expect(await screen.findByText("1,999 cr")).toBeInTheDocument();
    expect(screen.getByText(/No idle ships here/)).toBeInTheDocument();
  });

  it("opens the location named in the address", async () => {
    renderApp(boardApi(), "/contracts?location=earth");
    expect(await screen.findByText("1,999 cr")).toBeInTheDocument();
  });

  it("'Find work here' on the Fleet opens that ship's location board", async () => {
    renderApp(boardApi(), "/fleet");
    const row = (await screen.findByText("s1")).closest("li")!;
    await userEvent.click(within(row).getByRole("link", { name: "Find work here" }));
    expect(await screen.findByText("1,999 cr")).toBeInTheDocument();
    expect(screen.getByRole("button", { name: /Earth/, pressed: true })).toBeInTheDocument();
  });

  it("shows the good, class and tier, shipper, mass, requirements, expiry and first contact", async () => {
    renderApp(boardApi(), "/contracts?location=earth");

    await screen.findByText("1,999 cr");
    const items = screen.getAllByRole("listitem");
    const [plain, special] = items;
    // CR-007 card: good headline, class chip, shipper · mass · distance.
    expect(within(plain!).getByRole("heading", { name: "Consumer Goods" })).toBeInTheDocument();
    expect(plain).toHaveTextContent("Standard");
    expect(plain).toHaveTextContent("Pacific Orbital Logistics · 50 t");
    expect(plain).toHaveTextContent("No skills needed");
    expect(plain).toHaveTextContent("expires in 30m 00s");
    expect(within(plain!).queryByText("First contact")).not.toBeInTheDocument();

    expect(special).toHaveTextContent("Earth → Mars");
    expect(within(special!).getByRole("heading", { name: "Machine Parts" })).toBeInTheDocument();
    expect(special).toHaveTextContent("Heavy · T2");
    expect(special).toHaveTextContent("Needs Heavy Cargo 2, Long Haul 1");
    expect(special).toHaveTextContent(/M km/);
    expect(within(special!).getByText("First contact")).toBeInTheDocument();
  });
});