import type { FC, PropsWithChildren } from "react";

import { MantineProvider } from "@mantine/core";
import { renderHook, waitFor } from "@testing-library/react";
import { http, HttpResponse } from "msw";
import { MemoryRouter, Route, Routes } from "react-router";
import { describe, expect, it, vi } from "vitest";

import { configureAuthClient } from "@/shared/api";
import { createQueryWrapper } from "@/test/query";
import { resource } from "@/test/resource";
import { server } from "@/test/server";

import { portfolio } from "../../model/positions.fixtures";
import { useAccountPageViewModel } from "./AccountPage.vm";

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

function createWrapper() {
	const { wrapper: QueryWrapper } = createQueryWrapper();

	const Wrapper: FC<PropsWithChildren> = props => (
		<QueryWrapper>
			<MantineProvider>
				<MemoryRouter initialEntries={["/accounts/account-1"]}>
					<Routes>
						<Route element={props.children} path="/accounts/:accountId" />
					</Routes>
				</MemoryRouter>
			</MantineProvider>
		</QueryWrapper>
	);

	return Wrapper;
}

function mockLoadedAccountPage() {
	server.use(
		http.get("*/api/v1/brokerage-accounts/:accountId/portfolio", () =>
			HttpResponse.json(resource(portfolio)),
		),
		http.get("*/api/v1/brokerage-accounts/:accountId/operations", () =>
			HttpResponse.json(

				resource(
					{
						accountId: "account-1",
						hasNext: false,
						items: [
							{
								accruedInterest: null,
								category: "trade",
								commission: null,
								description: "Покупка акции",
								figi: "FIGI-STOCK",
								id: "operation-1",
								instrumentType: "share",
								instrumentUid: null,
								occurredAt: "2026-08-13T10:00:00Z",
								payment: { currency: "RUB", value: "-100" },
								price: null,
								quantity: "1",
								ticker: "STK",
								type: "Buy",
							},
						],
						nextCursor: null,
						observedAt: "2026-08-13T10:00:00Z",
					},
				),
			),
		),
		http.get("*/api/v1/brokerage-accounts/:accountId/events", () =>
			HttpResponse.json(
				resource({
					accountId: "account-1",
					calculatedAt: "2026-08-13T10:00:00Z",
					events: Array.from(
						{ length: 6 },

						(_, index) =>
							({
								date: `2026-09-${String(index + 1).padStart(2, "0")}`,
								dateKind: "event",
								displayName: `Купон ${index}`,
								figi: `FIGI-EVENT-${index}`,
								instrumentUid: null,
								projectedAmount: { currency: "RUB", value: String(index + 1) },
								ticker: `BND${index}`,
								type: "coupon",
							}),
					),
				}),
			),
		),
	);
}

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

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

		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({
			items: [{ description: "Покупка акции", id: "operation-1" }],
			state: "loaded",
			to: "/accounts/account-1/operations",
		});
		expect(loaded.recentEvents).toMatchObject({
			items: [
				{ ticker: "BND0" },
				{ ticker: "BND1" },
				{ ticker: "BND2" },
				{ ticker: "BND3" },
				{ ticker: "BND4" },
			],
			state: "loaded",
			to: "/accounts/account-1/events",
		});
	});

	it("keeps recent errors isolated in the ViewModel presentation state", async () => {
		configureTestAuth();
		server.use(
			http.get("*/api/v1/brokerage-accounts/:accountId/portfolio", () =>
				HttpResponse.json(resource(portfolio)),
			),
			http.get("*/api/v1/brokerage-accounts/:accountId/operations", () =>
				HttpResponse.json({ code: "DEMO_FAILURE" }, { status: 400 }),
			),
			http.get("*/api/v1/brokerage-accounts/:accountId/events", () =>
				HttpResponse.json({ code: "DEMO_FAILURE" }, { status: 400 }),
			),
		);

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

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

it("keeps overview sections independent when their source data is incomplete", async () => {
	configureTestAuth();
	mockLoadedAccountPage();
	server.use(
		http.get("*/api/v1/brokerage-accounts/:accountId/portfolio", () =>
			HttpResponse.json(resource(portfolio, { completeness: "incomplete" })),
		),
		http.get("*/api/v1/brokerage-accounts/:accountId/operations", () =>
			HttpResponse.json(

				resource(
					{ hasNext: false, items: [], nextCursor: null },
					{ completeness: "incomplete" },
				),
			),
		),
		http.get("*/api/v1/brokerage-accounts/:accountId/events", () =>
			HttpResponse.json(
				resource(
					{ events: [], incomeTotalsByCurrency: [] },
					{ completeness: "incomplete" },
				),
			),
		),
	);

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

	await waitFor(() => expect(result.current.state).toBe("loaded"));
	await waitFor(() =>
		expect(result.current).toMatchObject({
			partial: true,
			recentEvents: { items: [], state: "partial" },
			recentOperations: { items: [], state: "partial" },
		}),
	);
});

it("keeps overview sections loaded without exposing technical retry", async () => {
	configureTestAuth();

	const sections: Record<string, unknown>
		= {
			"events": { events: [], incomeTotalsByCurrency: [] },
			"income-summary": { totalsByCurrency: [] },
			"operations": { hasNext: false, items: [], nextCursor: null },
			portfolio,
		};

	server.use(
		...Object.entries(sections).map(([path, data]) =>
			http.get(
				`*/api/v1/brokerage-accounts/:accountId/${path}`,
				() => {
					return HttpResponse.json(
						resource(data, { dataRevision: "1", resourceKey: path }),
					);
				},
			),
		),
	);

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

	await waitFor(() =>
		expect(result.current).toMatchObject({
			incomeSummary: { state: "empty" },
			recentEvents: { state: "empty" },
			recentOperations: { state: "empty" },
			state: "loaded",
		}),
	);
	expect(result.current).not.toHaveProperty("retry");
});