import { MantineProvider } from "@mantine/core";
import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
import { renderHook, waitFor } from "@testing-library/react";
import { HttpResponse, http } from "msw";
import type { FC, PropsWithChildren } from "react";
import { MemoryRouter, Route, Routes } from "react-router";
import { afterEach, describe, expect, it, vi } from "vitest";
import type { Portfolio } from "@/entities/portfolio";
import { configureAuthClient } from "@/shared/api";
import { server } from "@/test/server";
import { useAccountPageViewModel } from "./AccountPage.vm";

const portfolio: Portfolio = {
	lastSuccessfulAt: "2026-08-13T10:00:00Z",
	isStale: true,
	totalsByCurrency: [{ currency: "RUB", value: "150" }],
	positions: [
		{
			figi: "FIGI-STOCK",
			displayName: "Акция",
			type: "STOCK",
			quantity: "2",
			currentValue: { currency: "RUB", value: "100" },
			averagePurchasePrice: null,
			absoluteReturn: { currency: "RUB", value: "10" },
			isin: null,
			logoName: "akciya.png",
		},
		{
			figi: "FIGI-BOND",
			displayName: "Облигация",
			type: "BOND",
			quantity: "1",
			currentValue: { currency: "RUB", value: "50" },
			averagePurchasePrice: { currency: "RUB", value: "45" },
			absoluteReturn: { currency: "RUB", value: "-5" },
			isin: "RU000A0JX0J2",
			logoName: null,
		},
		{
			figi: "FIGI-FUND",
			displayName: "Фонд",
			type: "FUND",
			quantity: "3",
			currentValue: null,
			averagePurchasePrice: null,
			absoluteReturn: null,
			isin: null,
			logoName: "fond.png",
		},
	],
	cashBalances: [{ currency: "USD", value: "1" }],
};

function configureTestAuth() {
	configureAuthClient({
		accessToken: () => "test-token",
		refresh: async () => true,
		clear: vi.fn(),
	});
}

const wrapper: FC<PropsWithChildren> = (props) => {
	const { children } = props;

	return (
		<QueryClientProvider client={new QueryClient()}>
			<MantineProvider>
				<MemoryRouter initialEntries={["/accounts/account-1"]}>
					<Routes>
						<Route path="/accounts/:accountId" element={children} />
					</Routes>
				</MemoryRouter>
			</MantineProvider>
		</QueryClientProvider>
	);
};

function mockLoadedAccountPage() {
	server.use(
		http.get("*/api/v1/brokerage-accounts/:accountId/portfolio", () =>
			HttpResponse.json(portfolio),
		),
		http.get("*/api/v1/brokerage-accounts/:accountId/operations", () =>
			HttpResponse.json({
				accountId: "account-1",
				items: [
					{
						id: "operation-1",
						occurredAt: "2026-08-13T10:00:00Z",
						type: "Buy",
						category: "trade",
						description: "Покупка акции",
						figi: "FIGI-STOCK",
						instrumentUid: null,
						ticker: "STK",
						instrumentType: "share",
						payment: { currency: "RUB", value: "-100" },
						quantity: "1",
						price: null,
						accruedInterest: null,
						commission: null,
					},
				],
				nextCursor: null,
				hasNext: false,
				observedAt: "2026-08-13T10:00:00Z",
			}),
		),
		http.get("*/api/v1/brokerage-accounts/:accountId/events", () =>
			HttpResponse.json({
				accountId: "account-1",
				calculatedAt: "2026-08-13T10:00:00Z",
				events: Array.from({ length: 6 }, (_, index) => ({
					type: "coupon",
					date: `2026-09-${String(index + 1).padStart(2, "0")}`,
					dateKind: "event",
					figi: `FIGI-EVENT-${index}`,
					instrumentUid: null,
					ticker: `BND${index}`,
					displayName: `Купон ${index}`,
					projectedAmount: { currency: "RUB", value: String(index + 1) },
				})),
			}),
		),
	);
}

describe("useAccountPageViewModel", () => {
	afterEach(() => configureAuthClient(null));

	it("prepares grouped position sections with derived display data", async () => {
		configureTestAuth();
		mockLoadedAccountPage();

		const { result } = renderHook(() => useAccountPageViewModel(), { wrapper });

		await waitFor(() => expect(result.current.state).toBe("loaded"));
		const loaded = result.current as Extract<
			typeof result.current,
			{ state: "loaded" }
		>;
		expect(loaded.positionSections).toMatchObject([
			{
				kind: "stocks",
				wide: true,
				positions: [
					{
						displayName: "Акция",
						shareText: "66,7 %",
						returnText: "+10 ₽",
						returnTone: "positive",
						logoSrc: "https://invest-brands.cdn-tinkoff.ru/akciyax160.png",
					},
				],
			},
			{
				kind: "bonds",
				wide: true,
				positions: [
					{
						displayName: "Облигация",
						shareText: "33,3 %",
						returnText: "-5 ₽",
						returnTone: "negative",
						logoSrc: null,
					},
				],
			},
			{
				kind: "other",
				wide: false,
				positions: [
					{
						displayName: "Фонд",
						shareText: null,
						returnText: null,
						returnTone: undefined,
						logoSrc: null,
					},
				],
			},
		]);
	});

	it("prepares recent operations and events state for presentation views", async () => {
		configureTestAuth();
		mockLoadedAccountPage();

		const { result } = renderHook(() => useAccountPageViewModel(), { wrapper });

		await waitFor(() =>
			expect(
				(result.current as { recentEvents?: { state: string } }).recentEvents,
			)?.toMatchObject({ state: "loaded" }),
		);
		const loaded = result.current as Extract<
			typeof result.current,
			{ state: "loaded" }
		>;
		expect(loaded.recentOperations).toMatchObject({
			state: "loaded",
			to: "/accounts/account-1/operations",
			items: [{ id: "operation-1", description: "Покупка акции" }],
		});
		expect(loaded.recentEvents).toMatchObject({
			state: "loaded",
			to: "/accounts/account-1/events",
			items: [
				{ ticker: "BND0" },
				{ ticker: "BND1" },
				{ ticker: "BND2" },
				{ ticker: "BND3" },
				{ ticker: "BND4" },
			],
		});
	});

	it("keeps recent errors isolated in the ViewModel presentation state", async () => {
		configureTestAuth();
		server.use(
			http.get("*/api/v1/brokerage-accounts/:accountId/portfolio", () =>
				HttpResponse.json(portfolio),
			),
			http.get("*/api/v1/brokerage-accounts/:accountId/operations", () =>
				HttpResponse.json({ code: "TBANK_UNAVAILABLE" }, { status: 503 }),
			),
			http.get("*/api/v1/brokerage-accounts/:accountId/events", () =>
				HttpResponse.json({ code: "MOEX_UNAVAILABLE" }, { status: 503 }),
			),
		);

		const { result } = renderHook(() => useAccountPageViewModel(), { wrapper });

		await waitFor(() =>
			expect(result.current).toMatchObject({
				state: "loaded",
				recentOperations: { state: "error" },
				recentEvents: { state: "error" },
			}),
		);
	});
});