import { MantineProvider } from "@mantine/core";
import { type QueryClient, QueryClientProvider } from "@tanstack/react-query";
import { fireEvent, render, screen, waitFor } from "@testing-library/react";
import { HttpResponse, http } from "msw";
import { MemoryRouter, Route, Routes } from "react-router";
import { describe, expect, it, vi } from "vitest";
import { type Portfolio, portfolioQueryOptions } from "@/entities/portfolio";
import { configureAuthClient } from "@/shared/api";
import { createTestQueryClient } from "@/test/query";
import { server } from "@/test/server";
import { AccountPage } from "./AccountPage";
import type {
	AccountPageRecentEvents,
	AccountPageRecentOperations,
} from "./AccountPage.vm";
import { toAccountPagePositionSections } from "./AccountPage.vm";
import { AccountPageEmpty } from "./components/AccountPageEmpty.view";
import { AccountPageError } from "./components/AccountPageError.view";
import { AccountPageLoaded } from "./components/AccountPageLoaded.view";
import { AccountPageLoading } from "./components/AccountPageLoading.view";

function renderPage(ui: React.ReactNode) {
	const queryClient = createTestQueryClient();
	return render(
		<QueryClientProvider client={queryClient}>
			<MantineProvider>
				<MemoryRouter>{ui}</MemoryRouter>
			</MantineProvider>
		</QueryClientProvider>,
	);
}

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

function renderAccountRoute(queryClient: QueryClient) {
	configureTestAuth();
	return render(
		<QueryClientProvider client={queryClient}>
			<MantineProvider>
				<MemoryRouter initialEntries={["/accounts/account-1"]}>
					<Routes>
						<Route path="/accounts/:accountId" element={<AccountPage />} />
					</Routes>
				</MemoryRouter>
			</MantineProvider>
		</QueryClientProvider>,
	);
}

const portfolio: Portfolio = {
	lastSuccessfulAt: "2026-08-13T10:00:00Z",
	isStale: true,
	totalsByCurrency: [{ currency: "RUB", value: "1234.5" }],
	positions: [
		{
			figi: "FIGI-2",
			displayName: "Вторая",
			type: "STOCK",
			quantity: "2",
			currentValue: null,
			averagePurchasePrice: null,
			absoluteReturn: null,
			isin: null,
			ticker: null,
			logoName: "vtoraya.png",
		},
		{
			figi: "FIGI-1",
			displayName: "Первая",
			type: "BOND",
			quantity: "1",
			currentValue: { currency: "RUB", value: "10" },
			averagePurchasePrice: { currency: "RUB", value: "11" },
			absoluteReturn: { currency: "RUB", value: "-1" },
			isin: "RU000A0JX0J2",
			ticker: null,
			logoName: null,
		},
	],
	cashBalances: [{ currency: "USD", value: "0.5" }],
};

const emptyRecentOperations: AccountPageRecentOperations = {
	state: "empty",
	to: "/accounts/account-1/operations",
};

const emptyRecentEvents: AccountPageRecentEvents = {
	state: "empty",
	to: "/accounts/account-1/events",
};

function loadedProps(nextPortfolio: Portfolio = portfolio) {
	return {
		portfolio: nextPortfolio,
		positionSections: toAccountPagePositionSections(nextPortfolio),
		recentOperations: emptyRecentOperations,
		recentEvents: emptyRecentEvents,
	};
}

function emptyProps() {
	return {
		recentOperations: emptyRecentOperations,
		recentEvents: emptyRecentEvents,
	};
}

describe("AccountPage states", () => {
	it("keeps initial placeholders decorative without amounts or focus targets", () => {
		const { container } = renderPage(<AccountPageLoading />);
		expect(screen.getByRole("status")).toHaveAttribute("aria-busy", "true");
		expect(screen.queryByRole("definition")).not.toBeInTheDocument();
		expect(container.querySelector("[tabindex], button, a, input")).toBeNull();
		expect(container).not.toHaveTextContent(/₽|\$|€|0,00/);
	});

	it.each(["NOT_FOUND", "TBANK_NOT_CONNECTED", "INVALID_TBANK_TOKEN"])(
		"does not offer retry without cached data for %s",
		(code) => {
			renderPage(<AccountPageError code={code} retry={vi.fn()} />);
			expect(
				screen.queryByRole("button", { name: "Повторить" }),
			).not.toBeInTheDocument();
			expect(screen.getByRole("link")).toHaveAttribute(
				"href",
				code === "NOT_FOUND" ? "/accounts" : "/settings",
			);
		},
	);

	it.each(["TBANK_UNAVAILABLE", "UNKNOWN"])(
		"allows retry for %s",
		async (code) => {
			const retry = vi.fn();
			renderPage(<AccountPageError code={code} retry={retry} />);
			fireEvent.click(screen.getByRole("button", { name: "Повторить" }));
			expect(retry).toHaveBeenCalledOnce();
		},
	);

	it("shows only supplied totals despite cash and positions with unknown value", () => {
		renderPage(<AccountPageLoaded {...loadedProps()} />);
		expect(
			screen.getAllByRole("definition").map((node) => node.textContent),
		).toEqual(["1 234,5 ₽"]);
		expect(
			screen.queryByText(/полная оценка|общая стоимость/i),
		).not.toBeInTheDocument();
	});

	it.each([true, false])(
		"keeps a nonempty portfolio without totals (positions: %s)",
		async (hasPositions) => {
			server.use(
				http.get("*/api/v1/brokerage-accounts/:accountId/portfolio", () =>
					HttpResponse.json({
						...portfolio,
						totalsByCurrency: [],
						positions: hasPositions ? portfolio.positions : [],
					}),
				),
			);
			renderAccountRoute(createTestQueryClient());
			await screen.findByRole("heading", { name: "Портфель", level: 1 });
			expect(screen.queryByRole("definition")).not.toBeInTheDocument();
			expect(screen.queryByText("Портфель пока пуст")).not.toBeInTheDocument();
		},
	);

	it("renders loading and empty states", () => {
		renderPage(<AccountPageLoading />);
		expect(screen.getByRole("status")).toBeInTheDocument();

		renderPage(<AccountPageEmpty {...emptyProps()} />);
		expect(
			screen.getByRole("heading", { name: "Портфель пока пуст" }),
		).toBeInTheDocument();
	});

	it("renders allowed error actions", () => {
		const retry = vi.fn();
		renderPage(<AccountPageError code="NOT_FOUND" retry={retry} />);
		expect(screen.getByRole("link", { name: "К счетам" })).toHaveAttribute(
			"href",
			"/accounts",
		);

		renderPage(<AccountPageError code="TBANK_NOT_CONNECTED" retry={retry} />);
		expect(
			screen.getByRole("link", { name: "Открыть настройки T-Bank" }),
		).toHaveAttribute("href", "/settings");

		renderPage(<AccountPageError code="TBANK_UNAVAILABLE" retry={retry} />);
		screen.getByRole("button", { name: "Повторить" }).click();
		expect(retry).toHaveBeenCalledOnce();
	});

	it("renders a stale portfolio in upstream order with nullable values hidden", () => {
		renderPage(<AccountPageLoaded {...loadedProps()} />);

		expect(
			screen.getByRole("heading", { level: 1, name: "Портфель" }),
		).toBeInTheDocument();
		expect(
			screen.getByText(
				"T-Bank временно недоступен. Показан последний успешный снимок.",
			),
		).toBeInTheDocument();
		expect(screen.getByRole("button", { name: "Акции" })).toBeInTheDocument();
		expect(
			screen.getByRole("button", { name: "Облигации" }),
		).toBeInTheDocument();
		const positions = screen
			.getAllByText(/Вторая|Первая/)
			.map((element) => element.textContent);
		expect(positions).toEqual(["Вторая", "Первая"]);
		expect(screen.getByText("10 ₽")).toBeInTheDocument();
		expect(screen.getByText("-1 ₽")).toBeInTheDocument();
		expect(screen.queryByText(/Доход:/)).not.toBeInTheDocument();
		expect(
			screen.getByText("Средняя цена: 11 ₽ · Доля: 100 %"),
		).toBeInTheDocument();
		expect(
			screen.getByText("Количество: 1 · RU000A0JX0J2"),
		).toBeInTheDocument();
		expect(screen.queryByText("—")).not.toBeInTheDocument();
		expect(screen.getByRole("img", { name: "Вторая" })).toHaveAttribute(
			"src",
			"https://invest-brands.cdn-tinkoff.ru/vtorayax160.png",
		);
	});

	it("renders stock cards with logo fallback and signed unlabeled return", () => {
		renderPage(
			<AccountPageLoaded
				{...loadedProps({
					...portfolio,
					positions: [
						{
							figi: "FIGI-A",
							displayName: "Абра",
							type: "STOCK",
							quantity: "1",
							currentValue: { currency: "RUB", value: "5" },
							averagePurchasePrice: null,
							absoluteReturn: { currency: "RUB", value: "3" },
							isin: null,
							ticker: null,
							logoName: null,
						},
						{
							figi: "FIGI-B",
							displayName: "Кадабра",
							type: "STOCK",
							quantity: "1",
							currentValue: { currency: "RUB", value: "7" },
							averagePurchasePrice: null,
							absoluteReturn: { currency: "RUB", value: "0" },
							isin: null,
							ticker: null,
							logoName: null,
						},
					],
				})}
			/>,
		);
		expect(screen.getByText("А")).toBeInTheDocument();
		expect(screen.getByText("+3 ₽")).toBeInTheDocument();
		expect(screen.getByText("0 ₽")).toBeInTheDocument();
		expect(screen.queryByText(/Доход:/)).not.toBeInTheDocument();
		expect(screen.queryByRole("img", { name: "Абра" })).not.toBeInTheDocument();
	});

	it("groups stock supporting metrics into quiet single lines", () => {
		renderPage(
			<AccountPageLoaded
				{...loadedProps({
					...portfolio,
					positions: [
						{
							figi: "FIGI-QUIET",
							displayName: "Тихая акция",
							type: "STOCK",
							quantity: "2",
							currentValue: { currency: "RUB", value: "10" },
							averagePurchasePrice: { currency: "RUB", value: "11" },
							absoluteReturn: { currency: "RUB", value: "3" },
							isin: "RU000QUIET1",
							ticker: null,
							logoName: null,
						},
					],
				})}
			/>,
		);

		expect(screen.getByText("Количество: 2 · RU000QUIET1")).not.toHaveAttribute(
			"data-line-clamp",
		);
		expect(
			screen.getByText("Средняя цена: 11 ₽ · Доля: 100 %"),
		).toBeInTheDocument();
	});

	it("uses the ticker only for stock cards and otherwise keeps the ISIN", () => {
		renderPage(
			<AccountPageLoaded
				{...loadedProps({
					...portfolio,
					positions: [
						{
							figi: "FIGI-STOCK",
							displayName: "Акция с тикером",
							type: "STOCK",
							quantity: "1",
							currentValue: null,
							averagePurchasePrice: null,
							absoluteReturn: null,
							isin: "STOCK-ISIN",
							ticker: "SBER",
							logoName: null,
						},
						{
							figi: "FIGI-FALLBACK",
							displayName: "Акция без тикера",
							type: "STOCK",
							quantity: "2",
							currentValue: null,
							averagePurchasePrice: null,
							absoluteReturn: null,
							isin: "FALLBACK-ISIN",
							ticker: null,
							logoName: null,
						},
						{
							figi: "FIGI-BOND",
							displayName: "Облигация",
							type: "BOND",
							quantity: "3",
							currentValue: null,
							averagePurchasePrice: null,
							absoluteReturn: null,
							isin: "BOND-ISIN",
							ticker: "OFZ",
							logoName: null,
						},
					],
				})}
			/>,
		);

		expect(screen.getByText("Количество: 1 · SBER")).toBeInTheDocument();
		expect(screen.queryByText("STOCK-ISIN")).not.toBeInTheDocument();
		expect(
			screen.getByText("Количество: 2 · FALLBACK-ISIN"),
		).toBeInTheDocument();
		expect(screen.getByText("Количество: 3 · BOND-ISIN")).toBeInTheDocument();
		expect(screen.queryByText("OFZ")).not.toBeInTheDocument();
	});

	it("renders bond cards with logo, fallback, and signed unlabeled return like stocks", () => {
		renderPage(
			<AccountPageLoaded
				{...loadedProps({
					...portfolio,
					positions: [
						{
							figi: "FIGI-C",
							displayName: "Долг",
							type: "BOND",
							quantity: "5",
							currentValue: { currency: "RUB", value: "50" },
							averagePurchasePrice: null,
							absoluteReturn: { currency: "RUB", value: "2" },
							isin: "RU000C0XY1Z3",
							ticker: null,
							logoName: "dolg.png",
						},
						{
							figi: "FIGI-D",
							displayName: "Купон",
							type: "BOND",
							quantity: "1",
							currentValue: null,
							averagePurchasePrice: null,
							absoluteReturn: { currency: "RUB", value: "0" },
							isin: null,
							ticker: null,
							logoName: null,
						},
					],
				})}
			/>,
		);
		expect(screen.getByRole("img", { name: "Долг" })).toHaveAttribute(
			"src",
			"https://invest-brands.cdn-tinkoff.ru/dolgx160.png",
		);
		expect(screen.getByText("К")).toBeInTheDocument();
		expect(
			screen.queryByRole("img", { name: "Купон" }),
		).not.toBeInTheDocument();
		expect(screen.getByText("+2 ₽")).toBeInTheDocument();
		expect(screen.getByText("0 ₽")).toBeInTheDocument();
		expect(screen.queryByText(/Доход:/)).not.toBeInTheDocument();
	});

	it("renders bond cards in expanded layout with bond-specific classes", () => {
		renderPage(
			<AccountPageLoaded
				{...loadedProps({
					...portfolio,
					positions: [
						{
							figi: "FIGI-BOND",
							displayName: "Облигация 2030",
							type: "BOND",
							quantity: "10",
							currentValue: { currency: "RUB", value: "1000" },
							averagePurchasePrice: { currency: "RUB", value: "950" },
							absoluteReturn: { currency: "RUB", value: "50" },
							isin: "RU000B0ND123",
							ticker: null,
							logoName: null,
						},
					],
				})}
			/>,
		);
		expect(screen.getByText("О")).toBeInTheDocument();
		expect(screen.getByText("+50 ₽")).toBeInTheDocument();
		expect(
			screen.getByText("Средняя цена: 950 ₽ · Доля: 100 %"),
		).toBeInTheDocument();
	});

	it("renders the bonds section as a single-column grid on any screen width", () => {
		renderPage(
			<AccountPageLoaded
				{...loadedProps({
					...portfolio,
					positions: [portfolio.positions[1]],
				})}
			/>,
		);
		const singleColumnGrids = Array.from(document.querySelectorAll("style"))
			.map((style) => (style.textContent ?? "").replace(/\s/g, ""))
			.filter(
				(css) =>
					css.includes("--sg-cols:1") &&
					!css.includes("@media") &&
					!/--sg-cols:[23]/.test(css),
			);
		expect(singleColumnGrids).toHaveLength(1);
	});

	it("keeps other-position cards compact with labeled return and no logo", () => {
		renderPage(
			<AccountPageLoaded
				{...loadedProps({
					...portfolio,
					positions: [
						{
							figi: "FIGI-E",
							displayName: "Фонд",
							type: "FUND",
							quantity: "3",
							currentValue: { currency: "RUB", value: "30" },
							averagePurchasePrice: null,
							absoluteReturn: { currency: "RUB", value: "-5" },
							isin: null,
							ticker: null,
							logoName: "fond.png",
						},
					],
				})}
			/>,
		);
		expect(screen.getByText("Доход: -5 ₽")).toBeInTheDocument();
		expect(screen.queryByRole("img", { name: "Фонд" })).not.toBeInTheDocument();
	});

	it("uses the cached account title when available", () => {
		renderPage(
			<AccountPageLoaded
				{...loadedProps()}
				account={{
					id: "account-1",
					name: "Основной",
					type: "BROKERAGE",
					openedOn: null,
					portfolioSummary: null,
				}}
			/>,
		);
		expect(
			screen.getByRole("heading", { level: 1, name: "Основной" }),
		).toBeInTheDocument();
	});

	it("keeps the portfolio visible when recent operations fail", () => {
		renderPage(
			<AccountPageLoaded
				{...loadedProps()}
				recentOperations={{
					state: "error",
					to: "/accounts/account-1/operations",
				}}
			/>,
		);

		expect(
			screen.getByText("Не удалось загрузить последние события."),
		).toBeInTheDocument();
		expect(screen.getByText("Вторая")).toBeInTheDocument();
	});

	it("uses the ledger row for a recent outgoing trade operation", () => {
		renderPage(
			<AccountPageLoaded
				{...loadedProps()}
				recentOperations={{
					state: "loaded",
					to: "/accounts/account-1/operations",
					items: [
						{
							id: "operation-1",
							occurredAt: "2026-08-14T10:00:00Z",
							type: "OPERATION_TYPE_BUY",
							category: "trade",
							description: "Покупка акции",
							figi: "FIGI-1",
							instrumentUid: "UID-1",
							ticker: "SBER",
							instrumentType: "share",
							logoName: null,
							payment: { currency: "RUB", value: "-12" },
							quantity: null,
							price: null,
							accruedInterest: null,
							commission: null,
						},
					],
				}}
			/>,
		);

		expect(screen.getByText("Сделка")).toBeInTheDocument();
		expect(screen.getByText("−12 ₽")).toBeInTheDocument();
	});

	it("keeps the portfolio visible when upcoming events fail", () => {
		renderPage(
			<AccountPageLoaded
				{...loadedProps()}
				recentEvents={{
					state: "error",
					to: "/accounts/account-1/events",
				}}
			/>,
		);

		expect(
			screen.getByText("Не удалось загрузить будущие события."),
		).toBeInTheDocument();
		expect(screen.getByText("Вторая")).toBeInTheDocument();
	});

	it.each([503, 404])(
		"preserves totals and UTC snapshot through refresh error %i, retry and success",
		async (status) => {
			let requestCount = 0;
			let resolveRetry: ((response: Response) => void) | undefined;
			server.use(
				http.get("*/api/v1/brokerage-accounts/:accountId/portfolio", () => {
					requestCount += 1;
					if (requestCount === 1) return HttpResponse.json(portfolio);
					if (requestCount === 3)
						return new Promise<Response>((resolve) => {
							resolveRetry = resolve;
						});
					return HttpResponse.json(
						{ code: status === 404 ? "NOT_FOUND" : "TBANK_UNAVAILABLE" },
						{ status },
					);
				}),
			);
			const queryClient = createTestQueryClient();
			renderAccountRoute(queryClient);

			await screen.findByText("Вторая");
			const snapshotText = screen.getByText(/Данные получены/).textContent;
			expect(snapshotText).toContain("10:00");
			void queryClient.invalidateQueries({
				queryKey: portfolioQueryOptions("account-1").queryKey,
			});

			expect(
				await screen.findByText(
					"Не удалось обновить портфель. Показан последний полученный снимок.",
				),
			).toBeInTheDocument();
			expect(
				screen.getByText(
					"T-Bank временно недоступен. Показан последний успешный снимок.",
				),
			).toBeInTheDocument();
			expect(screen.getByText("Вторая")).toBeInTheDocument();
			expect(screen.getByRole("definition")).toHaveTextContent("1 234,5 ₽");
			expect(screen.getByText(/Данные получены/).textContent).toBe(
				snapshotText,
			);
			fireEvent.click(screen.getByRole("button", { name: "Повторить" }));
			await waitFor(() => expect(requestCount).toBe(3));
			expect(screen.getByRole("definition")).toHaveTextContent("1 234,5 ₽");
			expect(screen.getByText(/Данные получены/).textContent).toBe(
				snapshotText,
			);
			resolveRetry?.(
				HttpResponse.json({
					...portfolio,
					isStale: false,
					lastSuccessfulAt: "2026-08-14T11:30:00Z",
					totalsByCurrency: [{ currency: "USD", value: "-0.5" }],
				}),
			);
			await waitFor(() =>
				expect(screen.getByRole("definition")).toHaveTextContent("-0,5 $"),
			);
			expect(screen.getByText(/Данные получены/)).toHaveTextContent("11:30");
			expect(
				screen.queryByText(/Не удалось обновить портфель/),
			).not.toBeInTheDocument();
			expect(
				screen.queryByText(/T-Bank временно недоступен/),
			).not.toBeInTheDocument();
		},
	);

	it("keeps the cached portfolio visible during a background refresh", async () => {
		let requestCount = 0;
		let resolveRefresh: ((response: Response) => void) | undefined;
		server.use(
			http.get("*/api/v1/brokerage-accounts/:accountId/portfolio", () => {
				requestCount += 1;
				if (requestCount === 1) return HttpResponse.json(portfolio);
				return new Promise<Response>((resolve) => {
					resolveRefresh = resolve;
				});
			}),
		);
		const queryClient = createTestQueryClient();
		renderAccountRoute(queryClient);

		await screen.findByText("Вторая");
		void queryClient.invalidateQueries({
			queryKey: portfolioQueryOptions("account-1").queryKey,
		});

		await waitFor(() => expect(requestCount).toBe(2));
		expect(screen.getByText("Вторая")).toBeInTheDocument();
		expect(screen.getByRole("definition")).toHaveTextContent("1 234,5 ₽");
		expect(screen.getByText(/Данные получены/)).toHaveTextContent("10:00");
		expect(
			screen.queryByRole("status", { name: "Загрузка" }),
		).not.toBeInTheDocument();
		expect(
			screen.getByRole("status", { name: "Обновляем портфель" }),
		).toBeInTheDocument();

		resolveRefresh?.(HttpResponse.json(portfolio));
	});
});