import type { LogbookResponse, LogEntry, Pilot, ResolutionSummary, Ship } from "@deadhead/schema";
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 { useClock } from "../src/clock/clock";
import { formatAbsence } from "../src/components/AwaySummary";
import { pilotExtras } from "./fixtures";
import { fakeApi, renderApp, samplePlayerState, shipExtras } from "./render";

const NOW = Date.parse("2100-01-01T12:00:00Z");
const FROM = NOW - (9 * 60 + 40) * 60_000;

const ship = (id: string, pilotId: string): Ship => ({
  id,
  modelId: "courier",
  name: id === "s0" ? "Dusty Mule" : `Ship ${id}`,
  status: "idle",
  locationId: "moon",
  dispatchId: null,
  lastArrivalAt: 0,
  ...shipExtras("courier"),
  pilotId,
});

const pilot = (i: number): Pilot => ({
  ...samplePlayerState().pilots[0]!,
  id: `p${i}`,
  name: i === 0 ? "Rosa" : `Pilot ${i}`,
  isAvatar: false,
  assignedShipId: `s${i}`,
  locationId: "moon",
  ...pilotExtras,
  mode: "independent",
});

/** A summary that keeps the pop-up open (the trigger is unchanged: unseen deliveries). */
const pending: ResolutionSummary = {
  dispatchId: "d0",
  shipId: "s0",
  pilotId: "p0",
  originId: "earth",
  destinationId: "moon",
  tutorial: false,
  independent: true,
  deadhead: false,
  fuelCost: 100,
  topUp: null,
  goodId: "consumer-goods",
  massTonnes: 6,
  shipper: "Pacific Orbital Logistics",
  credits: 700,
  loanRepayment: 0,
  pilotPay: 200,
  pilotXp: 10,
  discoveredLocationId: null,
  scriptedId: null,
  event: null,
  restEndsAt: null,
  resolvedAt: NOW - 60_000,
};

let n = 0;
const flight = (pilotId: string, payout: number, over: Partial<LogEntry> = {}): LogEntry =>
  ({
    id: `f${n++}`,
    at: FROM + 60_000 + n,
    pilotId,
    shipId: `s${pilotId.slice(1)}`,
    seen: false,
    kind: "flight",
    dispatchId: `d${n}`,
    deadhead: false,
    tutorial: false,
    independent: true,
    originId: "earth",
    destinationId: "moon",
    goodId: "helium-3",
    massTonnes: 6,
    shipper: "Pacific Orbital Logistics",
    payout,
    pilotPay: 0,
    fuelCost: 0,
    loanRepayment: 0,
    xp: 10,
    scriptedId: null,
    ...over,
  }) as LogEntry;

function render(pilots: number, entries: LogEntry[], over: Partial<LogbookResponse> = {}) {
  let seen = false;
  const all = Array.from({ length: pilots }, (_, i) => pilot(i));
  const api = fakeApi({
    getPlayerState: () =>
      samplePlayerState({
        tutorial: null,
        pilots: [samplePlayerState().pilots[0]!, ...all],
        ships: all.map((p, i) => ship(`s${i}`, p.id)),
        summaries: seen ? [] : [pending],
      }),
    getLogbook: () => ({
      entries,
      absence: { from: FROM, to: NOW },
      lastAbsence: null,
      problems: [],
      ...over,
    }),
    acknowledgeSummaries: () => {
      seen = true;
      return { acknowledged: 1 };
    },
  });
  renderApp(api);
  return api;
}

const dialog = () => screen.findByRole("dialog", { name: /While you were away/ });

describe("the highlights pop-up (Step 25.3, decision 0.5.140)", () => {
  beforeEach(() => {
    vi.useFakeTimers({ toFake: ["Date", "setInterval", "clearInterval"] });
    vi.setSystemTime(NOW);
    useClock.setState({ offsetMs: 0, synced: true, now: NOW });
  });
  afterEach(() => vi.useRealTimers());

  it("titles the absence with its length", async () => {
    render(1, [flight("p0", 410)]);
    const sheet = await dialog();
    await within(sheet).findByRole("list", { name: "What happened" });
    expect(sheet).toHaveAccessibleName("While you were away · 9 h 40 m");
    expect([formatAbsence(12 * 60_000), formatAbsence(50 * 3_600_000)]).toEqual([
      "12 m",
      "2 d 2 h",
    ]);
  });

  it("lists a short absence's events directly: no totals or pilot lines", async () => {
    render(2, [
      flight("p0", 410, { goodId: "consumer-goods" }),
      flight("p1", 0, { deadhead: true, goodId: null, fuelCost: 230 }),
    ]);
    const list = await within(await dialog()).findByRole("list", { name: "What happened" });
    expect(
      within(list)
        .getAllByRole("listitem")
        .map((li) => li.textContent),
    ).toEqual([
      "Dusty Mule delivered Consumer Goods to Moon, +410 cr",
      "Ship s1 flew empty to Moon, 230 cr fuel",
    ]);
    expect(screen.queryByLabelText("Company totals")).not.toBeInTheDocument();
    expect(screen.queryByRole("list", { name: "Pilots" })).not.toBeInTheDocument();
  });

  it("with 50 active pilots shows totals, 3 highlights, 5 pilot lines and the rest summed", async () => {
    const entries = Array.from({ length: 50 }, (_, i) => [
      flight(`p${i}`, (i + 1) * 100, { fuelCost: 10 }),
      flight(`p${i}`, (i + 1) * 100, { fuelCost: 10 }),
    ]).flat();
    entries.push(
      {
        id: "x1",
        at: FROM + 5,
        pilotId: "p3",
        shipId: "s3",
        seen: false,
        kind: "discovery",
        locationId: "mars",
      },
      {
        id: "x2",
        at: FROM + 6,
        pilotId: "p0",
        shipId: "s0",
        seen: false,
        kind: "level-up",
        level: 4,
        skillPoints: 1,
      },
    );
    render(50, entries, {
      problems: [{ kind: "low-fuel", shipId: "s2", locationId: "moon" }],
    });
    const sheet = await dialog();
    const totals = await within(sheet).findByLabelText("Company totals");
    const net = entries.reduce(
      (sum, e) => sum + (e.kind === "flight" ? e.payout - e.fuelCost : 0),
      0,
    );
    expect(totals).toHaveTextContent(`Net earned+${net.toLocaleString("en-US")} cr`);
    expect(totals).toHaveTextContent("Deliveries100");
    expect(totals).toHaveTextContent("Discoveries1");
    expect(totals).not.toHaveTextContent("Loan repaid");

    const highlights = within(sheet).getByRole("list", { name: "Highlights" });
    expect(
      within(highlights)
        .getAllByRole("listitem")
        .map((li) => li.textContent),
    ).toEqual([
      "New market: Mars",
      "Rosa reached level 4 · 1 skill point",
      "Biggest job: Helium-3 Canisters to Moon, 5,000 cr, Pilot 49",
      "+1 more in the Logbook",
    ]);

    const lines = within(sheet).getByRole("list", { name: "Pilots" });
    const items = within(lines).getAllByRole("listitem");
    // 5 pilots, the other 45, and the Captain, who flew nothing.
    expect(items).toHaveLength(7);
    expect(items[6]).toHaveTextContent("1 pilot had nothing to do");
    expect(items[0]).toHaveTextContent("Pilot 49 · 2 jobs · +9,980 cr · At Moon");
    const rest = Array.from({ length: 45 }, (_, i) => 2 * ((i + 1) * 100 - 10)).reduce(
      (a, b) => a + b,
    );
    expect(items[5]).toHaveTextContent(`+45 more pilots: +${rest.toLocaleString("en-US")} cr`);
    // Rosa leveled up but is 50th by net: her badge is in the collapsed line, not shown.
    expect(within(lines).queryByText("Level up")).not.toBeInTheDocument();
  });

  it("adds +N more lines only when needed, and sums idle pilots", async () => {
    render(4, [flight("p0", 100), flight("p0", 100), flight("p1", 50), flight("p1", 50)]);
    const sheet = await dialog();
    const lines = await within(sheet).findByRole("list", { name: "Pilots" });
    expect(
      within(lines)
        .getAllByRole("listitem")
        .map((li) => li.textContent),
    ).toEqual([
      "Rosa · 2 jobs · +200 cr · At Moon",
      "Pilot 1 · 2 jobs · +100 cr · At Moon",
      // The two without flights, and the Captain.
      "3 pilots had nothing to do",
    ]);
    expect(within(sheet).queryByText(/more in the Logbook/)).not.toBeInTheDocument();
  });

  it("closes on Done, acknowledging what it showed", async () => {
    const api = render(1, [flight("p0", 410)]);
    const sheet = await dialog();
    await within(sheet).findByRole("list", { name: "What happened" });
    await userEvent.click(within(sheet).getByRole("button", { name: "Done" }));
    expect(screen.queryByRole("dialog")).not.toBeInTheDocument();
    await waitFor(() =>
      expect(api.call).toHaveBeenCalledWith("acknowledgeSummaries", { dispatchIds: ["d0"] }),
    );
  });

  it("does not show the dialog when there is nothing to report", async () => {
    renderApp(fakeApi({ getPlayerState: () => samplePlayerState() }));
    await screen.findByRole("heading", { level: 1, name: "Dashboard" });
    expect(screen.queryByRole("dialog")).not.toBeInTheDocument();
  });
});