import { content } from "@deadhead/content";
import type { Dispatch, PlayerState, Ship } from "@deadhead/schema";
import { act, screen, waitFor, 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 } from "./render";

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

const ship = (id: string, status: Ship["status"]): Ship => ({
  id,
  modelId: "courier",
  name: id,
  status,
  locationId: status === "idle" ? "earth" : null,
  dispatchId: status === "idle" ? null : `d-${id}`,
  lastArrivalAt: 0,
  pilotId: null,
});

const dispatch = (shipId: string, arrivalAt: number): Dispatch => ({
  id: `d-${shipId}`,
  shipId,
  pilotId: "avatar",
  contract: null,
  originId: "earth",
  destinationId: "moon",
  tutorial: false,
  departureAt: NOW - 60_000,
  arrivalAt,
  distanceMillionKm: 0.39,
  fuelCost: 50,
  expectedPayout: 0,
  seed: 1,
  status: "in-flight",
  resolvedAt: null,
});

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

  it("shows idle and in-flight counts and counts down to the next arrival", async () => {
    const state = samplePlayerState({
      tutorial: null,
      ships: [ship("a", "idle"), ship("b", "in-flight"), ship("c", "in-flight")],
      activeDispatches: [dispatch("b", NOW + 125_000), dispatch("c", NOW + 65_000)],
    });
    renderApp(fakeApi({ getPlayerState: () => state }));
    await screen.findByRole("heading", { level: 1, name: "HQ" });

    const statValue = (label: string) => screen.getByText(label).nextElementSibling;
    expect(statValue("Ships idle")).toHaveTextContent("1");
    expect(statValue("Ships in flight")).toHaveTextContent("2");

    const next = screen.getByRole("heading", { name: "Next arrival" }).parentElement!;
    expect(within(next).getByText("1m 05s")).toBeInTheDocument();
    act(() => vi.advanceTimersByTime(10_000));
    expect(within(next).getByText("55s")).toBeInTheDocument();
  });

  it("shows tutorial run progress toward the deal during the tutorial", async () => {
    const state = samplePlayerState({
      tutorial: {
        loanerLocationId: "moon",
        runInFlight: false,
        runsCompleted: 3,
        dealAvailable: false,
      },
    });
    renderApp(fakeApi({ getPlayerState: () => state }));
    expect(await screen.findByLabelText("Company runs")).toHaveTextContent(
      `Company runs: 3 of ${content.config.tutorialRunsBeforeDeal}`,
    );
    expect(screen.queryByText("Loan from Halvorsen")).not.toBeInTheDocument();
  });
});

describe("loan on HQ", () => {
  const total = content.config.dealLoanAmount;
  const owner = (credits: number, loanBalance: number): PlayerState =>
    samplePlayerState({ tutorial: null, company: { id: "c", name: "D", credits, loanBalance } });

  it("shows the balance and a paid-off progress bar matching state", async () => {
    renderApp(fakeApi({ getPlayerState: () => owner(2000, total * 0.75) }));
    expect(await screen.findByLabelText("Loan balance")).toHaveTextContent(
      `${(total * 0.75).toLocaleString("en-US")} cr left`,
    );
    expect(screen.getByRole("progressbar", { name: "Loan paid off" })).toHaveAttribute(
      "aria-valuenow",
      "25",
    );
  });

  it("pays down with the entered amount", async () => {
    const api = fakeApi({
      getPlayerState: () => owner(2000, 4000),
      repayLoan: ({ amount }) => ({
        company: { id: "c", name: "D", credits: 2000 - amount, loanBalance: 4000 - amount },
      }),
    });
    renderApp(api);
    await userEvent.type(await screen.findByLabelText("Pay down amount"), "750");
    await userEvent.click(screen.getByRole("button", { name: "Pay down" }));
    await waitFor(() => expect(api.call).toHaveBeenCalledWith("repayLoan", { amount: 750 }));
  });

  it("blocks an amount above the balance", async () => {
    const api = fakeApi({ getPlayerState: () => owner(5000, 300) });
    renderApp(api);
    await userEvent.type(await screen.findByLabelText("Pay down amount"), "400");
    expect(screen.getByRole("button", { name: "Pay down" })).toBeDisabled();
    expect(screen.getByText("You only owe 300 cr.")).toBeInTheDocument();
    expect(api.call).not.toHaveBeenCalledWith("repayLoan", expect.anything());
  });

  it("blocks an amount above the player's credits", async () => {
    const api = fakeApi({ getPlayerState: () => owner(200, 3000) });
    renderApp(api);
    await userEvent.type(await screen.findByLabelText("Pay down amount"), "250");
    expect(screen.getByRole("button", { name: "Pay down" })).toBeDisabled();
    expect(screen.getByText("You only have 200 cr.")).toBeInTheDocument();
    expect(api.call).not.toHaveBeenCalledWith("repayLoan", expect.anything());
  });

  it("is hidden once the loan is paid off", async () => {
    renderApp(fakeApi({ getPlayerState: () => owner(2000, 0) }));
    await screen.findByRole("heading", { level: 1, name: "HQ" });
    expect(screen.queryByText("Loan from Halvorsen")).not.toBeInTheDocument();
  });

  it("shows the lender's cut in a delivery summary", async () => {
    const state: PlayerState = {
      ...owner(2000, 4000),
      summaries: [
        {
          dispatchId: "d1",
          shipId: "s1",
          pilotId: "avatar",
          originId: "earth",
          destinationId: "moon",
          tutorial: false,
          credits: 538,
          deadhead: false,
          fuelCost: 0,
          loanRepayment: 230,
          pilotXp: 10,
          discoveredLocationId: null,
          scriptedId: null,
          restEndsAt: null,
          resolvedAt: 1,
        },
      ],
    };
    renderApp(
      fakeApi({ getPlayerState: () => state, acknowledgeSummaries: () => ({ acknowledged: 1 }) }),
    );
    const dialog = await screen.findByRole("dialog", { name: "While you were away" });
    expect(dialog).toHaveTextContent("230 cr went to the lender");
  });
});