import { content } from "@deadhead/content";
import type { Contract } from "@deadhead/schema";
import {
  deliveryXp,
  MS_PER_HOUR,
  realToGame,
  routeDistance,
  travelTimeGameHours,
} 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 { formatCredits, formatDuration } from "../src/format";
import { fakeApi, renderApp, samplePlayerState, sampleTutorialBoard } from "./render";

const NOW = Date.parse("2100-01-01T00:00:00Z");
const loaner = content.shipModel("company-courier")!;

/** What the sim predicts for the loaner flying this contract now. */
function expected(contract: Contract) {
  const distance = routeDistance(
    content.location(contract.originId)!,
    content.location(contract.destinationId)!,
    realToGame(NOW, content.config),
  );
  const hours = travelTimeGameHours(loaner, distance, contract.massTonnes, content.config);
  return {
    pay: formatCredits(contract.payout),
    time: formatDuration((hours * MS_PER_HOUR) / content.config.timeCompression),
    xp: `+${deliveryXp(distance, contract.tier, content.config)}`,
  };
}

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

  it("shows pay, trip time and XP side by side for all three contracts, matching the sim", async () => {
    const board = sampleTutorialBoard(NOW);
    renderApp(
      fakeApi({ getPlayerState: () => samplePlayerState(), getTutorialBoard: () => board }),
      "/contracts",
    );
    const items = await screen.findAllByRole("listitem");
    expect(items).toHaveLength(3);
    items.forEach((item, i) => {
      const want = expected(board.contracts[i]!);
      expect(within(item).getByLabelText("Pay")).toHaveTextContent(want.pay);
      expect(within(item).getByLabelText("Trip time")).toHaveTextContent(want.time);
      expect(within(item).getByLabelText("XP")).toHaveTextContent(want.xp);
    });
    // The heavy run takes longer than the light one.
    expect(expected(board.contracts[2]!).time).not.toBe(expected(board.contracts[0]!).time);
  });

  it("styles the scripted contract and shows its name", async () => {
    renderApp(
      fakeApi({
        getPlayerState: () => samplePlayerState(),
        getTutorialBoard: () => sampleTutorialBoard(NOW, { scriptedMedium: true }),
      }),
      "/contracts",
    );
    const items = await screen.findAllByRole("listitem");
    expect(items[1]).toHaveAttribute("data-scripted", "true");
    expect(items[1]).toHaveTextContent("Unmarked crates");
    expect(items[0]).not.toHaveAttribute("data-scripted");
  });

  it("dispatches the tutorial run with Fly it", async () => {
    const api = fakeApi({
      getPlayerState: () => samplePlayerState(),
      getTutorialBoard: () => sampleTutorialBoard(NOW),
    });
    renderApp(api, "/contracts");
    const [, medium] = await screen.findAllByRole("listitem");
    await userEvent.click(within(medium!).getByRole("button", { name: "Fly it" }));
    await waitFor(() =>
      expect(api.call).toHaveBeenCalledWith("createDispatch", {
        kind: "tutorial",
        contractId: "tutorial:earth:1:0:1",
      }),
    );
  });

  it("disables Fly it while a tutorial run is in flight", async () => {
    renderApp(
      fakeApi({
        getPlayerState: () =>
          samplePlayerState({
            tutorial: {
              loanerLocationId: "earth",
              runInFlight: true,
              runsCompleted: 1,
              dealAvailable: false,
            },
          }),
        getTutorialBoard: () => sampleTutorialBoard(NOW),
      }),
      "/contracts",
    );
    await screen.findAllByRole("listitem");
    for (const button of screen.getAllByRole("button", { name: "Fly it" })) {
      expect(button).toBeDisabled();
    }
    expect(screen.getByText(/Your run is in flight/)).toBeInTheDocument();
  });

  it("shows the server's message when dispatch fails", async () => {
    renderApp(
      fakeApi({
        getPlayerState: () => samplePlayerState(),
        getTutorialBoard: () => sampleTutorialBoard(NOW),
        createDispatch: () => {
          throw new ApiError(409, "tutorial-run-in-flight", "Your tutorial run is still flying.");
        },
      }),
      "/contracts",
    );
    const [first] = await screen.findAllByRole("listitem");
    await userEvent.click(within(first!).getByRole("button", { name: "Fly it" }));
    expect(await screen.findByRole("alert")).toHaveTextContent(
      "Your tutorial run is still flying.",
    );
  });
});

describe("scripted delivery summary", () => {
  it("shows the scripted contract's flavor message after it resolves", async () => {
    const flavor = content.scriptedTutorialContracts.find(
      (s) => s.id === "unmarked-crates",
    )!.flavorMessage;
    renderApp(
      fakeApi({
        getPlayerState: () =>
          samplePlayerState({
            summaries: [
              {
                dispatchId: "d3",
                shipId: "loaner",
                pilotId: "avatar",
                originId: "earth",
                destinationId: "moon",
                tutorial: true,
                credits: 461,
                deadhead: false,
                fuelCost: 0,
                goodId: "consumer-goods",
                massTonnes: 12,
                shipper: "Pacific Orbital Logistics",
                loanRepayment: 0,
                pilotPay: 0,
                pilotXp: 10,
                discoveredLocationId: null,
                scriptedId: "unmarked-crates",
                restEndsAt: null,
                resolvedAt: NOW,
              },
            ],
          }),
        acknowledgeSummaries: () => ({ acknowledged: 1 }),
      }),
    );
    const dialog = await screen.findByRole("dialog", { name: "While you were away" });
    expect(dialog).toHaveTextContent(flavor);
  });
});