import { content } from "@deadhead/content";
import type { Pilot, PlayerState, Ship } from "@deadhead/schema";
import { screen, waitFor, within } from "@testing-library/react";
import userEvent from "@testing-library/user-event";
import { describe, expect, it } from "vitest";
import { levelProgress } from "../src/screens/Pilots";
import { fakeApi, renderApp, samplePlayerState } from "./render";

const ship = (overrides: Partial<Ship>): Ship => ({
  id: "s",
  modelId: "courier",
  name: "Ship",
  status: "idle",
  locationId: "moon",
  dispatchId: null,
  lastArrivalAt: 0,
  pilotId: null,
  ...overrides,
});

const rae: Pilot = {
  id: "p-rae",
  name: "Rae Okafor",
  isAvatar: false,
  xp: 260,
  level: 2,
  skills: { "heavy-cargo": 1 },
  skillPointsAvailable: 3,
  assignedShipId: null,
  status: "idle",
  locationId: "moon",
};

function pilotsState(overrides: Partial<PlayerState> = {}): PlayerState {
  const base = samplePlayerState({ tutorial: null });
  return {
    ...base,
    company: { ...base.company, credits: 50_000 },
    bays: [
      { id: "b1", locationId: "earth" },
      { id: "b2", locationId: "moon" },
    ],
    pilots: [{ ...base.pilots[0]!, assignedShipId: "s-earth" }, rae],
    ships: [
      ship({ id: "s-earth", name: "Earth Crewed", locationId: "earth", pilotId: "avatar" }),
      ship({ id: "s-moon-free", name: "Moon Free" }),
      ship({ id: "s-moon-crewed", name: "Moon Crewed", pilotId: "someone" }),
      ship({ id: "s-earth-free", name: "Earth Free", locationId: "earth" }),
      ship({ id: "s-flying", name: "Flying", status: "in-flight", locationId: null }),
    ],
    ...overrides,
  };
}

describe("pilots screen", () => {
  it("shows level, XP progress, skills and points", async () => {
    renderApp(fakeApi({ getPlayerState: () => pilotsState() }), "/pilots");
    const card = (await screen.findByText("Rae Okafor")).closest("li")!;
    const { xp, needed } = levelProgress(260, 2)!;
    expect(card).toHaveTextContent("Level 2");
    expect(card).toHaveTextContent(`${xp} / ${needed} XP to next level`);
    expect(card).toHaveTextContent("Heavy Cargo 1/5");
    expect(within(card).getByLabelText("Rae Okafor skill points")).toHaveTextContent("3");
  });

  it("spends a skill point through the endpoint and shows the updated pilot", async () => {
    let spent = false;
    const api = fakeApi({
      getPlayerState: () =>
        pilotsState({
          pilots: [
            pilotsState().pilots[0]!,
            spent ? { ...rae, skills: { "heavy-cargo": 2 }, skillPointsAvailable: 2 } : rae,
          ],
        }),
      spendSkillPoint: ({ pilotId, skillId }) => {
        spent = true;
        return {
          pilot: { ...rae, id: pilotId, skills: { [skillId]: 2 }, skillPointsAvailable: 2 },
        };
      },
    });
    renderApp(api, "/pilots");
    await userEvent.click(
      await screen.findByRole("button", { name: "Raise Heavy Cargo for Rae Okafor" }),
    );

    expect(api.call).toHaveBeenCalledWith("spendSkillPoint", {
      pilotId: "p-rae",
      skillId: "heavy-cargo",
    });
    const card = screen.getByText("Rae Okafor").closest("li")!;
    await waitFor(() => expect(card).toHaveTextContent("Heavy Cargo 2/5"));
    expect(within(card).getByLabelText("Rae Okafor skill points")).toHaveTextContent("2");
  });

  it("disables hiring when the player cannot afford a pilot", async () => {
    const cost = content.config.pilotHireCost;
    renderApp(
      fakeApi({
        getPlayerState: () =>
          pilotsState({ company: { id: "c", name: "D", credits: cost - 1, loanBalance: 0 } }),
      }),
      "/pilots",
    );
    const hire = await screen.findByRole("button", { name: /Hire pilot/ });
    expect(hire).toBeDisabled();
    expect(hire).toHaveTextContent(`${cost.toLocaleString("en-US")} cr`);
  });

  it("hires at the chosen bay", async () => {
    const api = fakeApi({ getPlayerState: () => pilotsState() });
    renderApp(api, "/pilots");
    await userEvent.selectOptions(await screen.findByLabelText("Hire at"), "moon");
    await userEvent.click(screen.getByRole("button", { name: /Hire pilot/ }));
    expect(api.call).toHaveBeenCalledWith("hirePilot", { locationId: "moon" });
  });

  it("offers only idle, uncrewed ships at the pilot's location for assignment", async () => {
    const api = fakeApi({ getPlayerState: () => pilotsState() });
    renderApp(api, "/pilots");
    const select = await screen.findByLabelText("Assign Rae Okafor to");
    const options = within(select)
      .getAllByRole("option")
      .map((o) => o.textContent);
    expect(options).toEqual(["Choose a ship…", "Moon Free (Courier)"]);

    await userEvent.selectOptions(select, "s-moon-free");
    await userEvent.click(screen.getByRole("button", { name: "Assign" }));
    expect(api.call).toHaveBeenCalledWith("assignPilot", {
      pilotId: "p-rae",
      shipId: "s-moon-free",
    });
  });
});