// @vitest-environment jsdom

import {
  act,
  fireEvent,
  render,
  screen,
  waitFor,
  within,
} from "@testing-library/react";
import userEvent from "@testing-library/user-event";
import { useState } from "react";
import { describe, expect, it, vi } from "vitest";

import {
  Button,
  Checkbox,
  DataTable,
  Drawer,
  IconButton,
  Menu,
  MenuIcon,
  Pagination,
  Popover,
  RadioGroup,
  Switch,
  Tabs,
  ToastProvider,
  useToast,
} from "../../src/presentation/design-system/index.ts";

describe("design-system platform interactions", () => {
  it("keeps decorative icons out of the accessibility tree and names icon actions", () => {
    render(
      <>
        <MenuIcon />
        <IconButton accessibleName="탐색 열기">
          <MenuIcon />
        </IconButton>
      </>,
    );

    expect(screen.getByRole("button", { name: "탐색 열기" })).toBeVisible();
    expect(screen.queryByRole("img")).not.toBeInTheDocument();
  });

  it("supports native choices, indeterminate state, radio arrows and switches", async () => {
    const user = userEvent.setup();
    const onRadio = vi.fn();
    const onSwitch = vi.fn();
    render(
      <>
        <Checkbox indeterminate label="일부 선택" />
        <RadioGroup
          label="밀도"
          name="density"
          onChange={onRadio}
          options={[
            { value: "normal", label: "보통" },
            { value: "compact", label: "조밀" },
          ]}
          value="normal"
        />
        <Switch
          checked={false}
          label="알림"
          onChange={onSwitch}
        />
      </>,
    );

    const checkbox = screen.getByRole("checkbox", { name: "일부 선택" });
    expect(checkbox).toBePartiallyChecked();
    const normal = screen.getByRole("radio", { name: "보통" });
    normal.focus();
    await user.keyboard("{ArrowRight}");
    expect(onRadio).toHaveBeenCalledWith("compact");
    await user.click(screen.getByRole("switch", { name: "알림" }));
    expect(onSwitch).toHaveBeenCalledWith(true);
  });

  it("moves through a menu, executes once, dismisses and restores focus", async () => {
    const user = userEvent.setup();
    const inspect = vi.fn();
    render(
      <Menu
        items={[
          { id: "open", label: "열기", onSelect: vi.fn() },
          { id: "inspect", label: "검사", onSelect: inspect },
        ]}
        triggerLabel="작업"
      />,
    );

    const trigger = screen.getByRole("button", { name: "작업" });
    trigger.focus();
    await user.keyboard("{ArrowDown}");
    expect(screen.getByRole("menuitem", { name: "열기" })).toHaveFocus();
    await user.keyboard("{ArrowDown}{Enter}");
    expect(inspect).toHaveBeenCalledOnce();
    await waitFor(() => expect(trigger).toHaveFocus());
    expect(screen.queryByRole("menu")).not.toBeInTheDocument();
  });

  it("supports manual tab activation with arrow-key roving focus", async () => {
    const user = userEvent.setup();
    render(
      <Tabs
        activation="manual"
        label="계층"
        tabs={[
          { id: "tokens", label: "토큰", panel: "토큰 내용" },
          { id: "patterns", label: "패턴", panel: "패턴 내용" },
        ]}
      />,
    );

    const tokenTab = screen.getByRole("tab", { name: "토큰" });
    tokenTab.focus();
    await user.keyboard("{ArrowRight}");
    const patternTab = screen.getByRole("tab", { name: "패턴" });
    expect(patternTab).toHaveFocus();
    expect(patternTab).toHaveAttribute("aria-selected", "false");
    await user.keyboard("{Enter}");
    expect(patternTab).toHaveAttribute("aria-selected", "true");
    expect(screen.getByRole("tabpanel", { name: "패턴" })).toHaveTextContent(
      "패턴 내용",
    );
  });

  it("uses a modal drawer and restores focus after Escape", async () => {
    const user = userEvent.setup();
    function Harness() {
      const [open, setOpen] = useState(false);
      return (
        <>
          <Button onClick={() => setOpen(true)}>탐색 열기</Button>
          <Drawer onClose={() => setOpen(false)} open={open} title="탐색">
            <a href="/target">대상</a>
          </Drawer>
        </>
      );
    }
    render(<Harness />);

    const trigger = screen.getByRole("button", { name: "탐색 열기" });
    await user.click(trigger);
    expect(screen.getByRole("dialog", { name: "탐색" })).toHaveAttribute("open");
    await user.keyboard("{Escape}");
    await waitFor(() => expect(trigger).toHaveFocus());
  });

  it("bounds the toast queue and collapses duplicate IDs", async () => {
    const user = userEvent.setup();
    function Harness() {
      const toast = useToast();
      return (
        <>
          <Button
            onClick={() =>
              toast.push({ id: "same", title: "저장됨", durationMs: 60_000 })
            }
          >
            중복
          </Button>
          <Button
            onClick={() => {
              for (let index = 0; index < 5; index += 1) {
                toast.push({
                  id: `toast-${index}`,
                  title: `알림 ${index}`,
                  durationMs: 60_000,
                });
              }
            }}
          >
            다섯 개
          </Button>
        </>
      );
    }
    render(
      <ToastProvider limit={3}>
        <Harness />
      </ToastProvider>,
    );

    await user.click(screen.getByRole("button", { name: "중복" }));
    await user.click(screen.getByRole("button", { name: "중복" }));
    expect(screen.getByText("×2")).toBeVisible();
    await user.click(screen.getByRole("button", { name: "다섯 개" }));
    const region = screen.getByRole("region", { name: "알림" });
    expect(within(region).getAllByRole("article")).toHaveLength(3);
    expect(within(region).queryByText("알림 0")).not.toBeInTheDocument();
    expect(within(region).getByText("알림 4")).toBeVisible();
  });

  it("pauses toast timeout while the user is interacting", () => {
    vi.useFakeTimers();
    function Harness() {
      const toast = useToast();
      return (
        <Button
          onClick={() =>
            toast.push({ id: "timed", title: "시간 제한", durationMs: 1000 })
          }
        >
          표시
        </Button>
      );
    }
    render(
      <ToastProvider>
        <Harness />
      </ToastProvider>,
    );
    fireEvent.click(screen.getByRole("button", { name: "표시" }));
    const item = screen.getByRole("article");
    fireEvent.mouseEnter(item);
    act(() => vi.advanceTimersByTime(2000));
    expect(item).toBeVisible();
    fireEvent.mouseLeave(item);
    act(() => vi.advanceTimersByTime(1000));
    expect(screen.queryByText("시간 제한")).not.toBeInTheDocument();
    vi.useRealTimers();
  });

  it("provides dismissible popover and data/navigation patterns", async () => {
    const user = userEvent.setup();
    const onPage = vi.fn();
    render(
      <>
        <Popover triggerLabel="설명 열기">
          <Button>내부 작업</Button>
        </Popover>
        <DataTable
          caption="결과"
          columns={[
            { id: "name", header: "이름", cell: (row) => row.name },
          ]}
          empty="비어 있음"
          rowKey={(row) => row.id}
          rows={[{ id: "one", name: "첫 항목" }]}
        />
        <Pagination
          label="페이지"
          nextLabel="다음"
          onChange={onPage}
          page={1}
          pageCount={2}
          pageLabel={(page) => `${page}페이지`}
          previousLabel="이전"
        />
      </>,
    );

    const popoverTrigger = screen.getByRole("button", { name: "설명 열기" });
    await user.click(popoverTrigger);
    expect(screen.getByRole("dialog")).toHaveTextContent("내부 작업");
    await user.keyboard("{Escape}");
    expect(screen.queryByRole("dialog")).not.toBeInTheDocument();
    expect(popoverTrigger).toHaveFocus();
    expect(screen.getByRole("table", { name: "결과" })).toHaveTextContent(
      "첫 항목",
    );
    await user.click(screen.getByRole("link", { name: "2페이지" }));
    expect(onPage).toHaveBeenCalledWith(2);
  });
});