// @vitest-environment jsdom
import "@testing-library/jest-dom/vitest";

import { type CreatureId, combatantId } from "@initiative/domain";
import { act, renderHook } from "@testing-library/react";
import type { ReactNode } from "react";
import { afterEach, describe, expect, it, vi } from "vitest";
import { useInitiativeRolls } from "../use-initiative-rolls.js";

const mockMakeStore = vi.fn(() => ({}));
const mockWithUndo = vi.fn((fn: () => unknown) => fn());
const mockGetCreature = vi.fn();
const mockShowCreature = vi.fn();

vi.mock("../../contexts/encounter-context.js", () => ({
	useEncounterContext: () => ({
		encounter: {
			combatants: [
				{
					id: combatantId("c1"),
					name: "Goblin",
					creatureId: "srd:goblin" as CreatureId,
				},
			],
			activeIndex: 0,
			roundNumber: 1,
		},
		makeStore: mockMakeStore,
		withUndo: mockWithUndo,
	}),
}));

vi.mock("../../contexts/bestiary-context.js", () => ({
	useBestiaryContext: () => ({
		getCreature: mockGetCreature,
	}),
}));

vi.mock("../../contexts/side-panel-context.js", () => ({
	useSidePanelContext: () => ({
		showCreature: mockShowCreature,
	}),
}));

const mockRollInitiativeUseCase = vi.fn();
const mockRollAllInitiativeUseCase = vi.fn();

vi.mock("@initiative/application", () => ({
	rollInitiativeUseCase: (...args: unknown[]) =>
		mockRollInitiativeUseCase(...args),
	rollAllInitiativeUseCase: (...args: unknown[]) =>
		mockRollAllInitiativeUseCase(...args),
}));

function wrapper({ children }: { children: ReactNode }) {
	return children;
}

describe("useInitiativeRolls", () => {
	afterEach(() => {
		vi.clearAllMocks();
	});

	it("handleRollInitiative calls rollInitiativeUseCase via withUndo", () => {
		mockRollInitiativeUseCase.mockReturnValue({ initiative: 15 });
		const { result } = renderHook(() => useInitiativeRolls(), { wrapper });

		act(() => result.current.handleRollInitiative(combatantId("c1")));

		expect(mockWithUndo).toHaveBeenCalled();
		expect(mockRollInitiativeUseCase).toHaveBeenCalled();
	});

	it("sets rollSingleSkipped on domain error", () => {
		mockRollInitiativeUseCase.mockReturnValue({
			kind: "domain-error",
			code: "missing-source",
			message: "no source",
		});
		const { result } = renderHook(() => useInitiativeRolls(), { wrapper });

		act(() => result.current.handleRollInitiative(combatantId("c1")));
		expect(result.current.rollSingleSkipped).toBe(true);
		expect(mockShowCreature).toHaveBeenCalledWith("srd:goblin");
	});

	it("dismissRollSingleSkipped resets the flag", () => {
		mockRollInitiativeUseCase.mockReturnValue({
			kind: "domain-error",
			code: "missing-source",
			message: "no source",
		});
		const { result } = renderHook(() => useInitiativeRolls(), { wrapper });

		act(() => result.current.handleRollInitiative(combatantId("c1")));
		expect(result.current.rollSingleSkipped).toBe(true);

		act(() => result.current.dismissRollSingleSkipped());
		expect(result.current.rollSingleSkipped).toBe(false);
	});

	it("handleRollAllInitiative sets rollSkippedCount when sources missing", () => {
		mockRollAllInitiativeUseCase.mockReturnValue({ skippedNoSource: 3 });
		const { result } = renderHook(() => useInitiativeRolls(), { wrapper });

		act(() => result.current.handleRollAllInitiative());
		expect(result.current.rollSkippedCount).toBe(3);
	});

	it("dismissRollSkipped resets the count", () => {
		mockRollAllInitiativeUseCase.mockReturnValue({ skippedNoSource: 2 });
		const { result } = renderHook(() => useInitiativeRolls(), { wrapper });

		act(() => result.current.handleRollAllInitiative());
		act(() => result.current.dismissRollSkipped());
		expect(result.current.rollSkippedCount).toBe(0);
	});
});