import { describe, expect, test } from "bun:test";
import { screen, waitFor } from "@testing-library/react";
import { createElement } from "react";

import { SettingsPage } from "../../../../src/web/features/settings/index";
import { installFetchMock, jsonResponse, renderWithProviders } from "../../test-utils";

function mockSettingsResponse(theme = "system", compact = false): Response {
  return jsonResponse({ compact, theme });
}

function mockEmptyModelsResponse(): Response {
  return jsonResponse({ items: [], page: 1, pageSize: 200, total: 0 });
}

describe("SettingsPage", () => {
  test("渲染主题卡片", () => {
    installFetchMock((call) => {
      if (call.url.includes("/api/settings")) return mockSettingsResponse();
      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
      return jsonResponse({});
    });

    renderWithProviders(createElement(SettingsPage));

    expect(screen.getByText("主题")).not.toBeNull();
  });

  test("渲染主题模式 Radio.Group 选项", () => {
    installFetchMock((call) => {
      if (call.url.includes("/api/settings")) return mockSettingsResponse();
      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
      return jsonResponse({});
    });

    renderWithProviders(createElement(SettingsPage));

    expect(screen.getByText("系统")).not.toBeNull();
    expect(screen.getByText("明亮")).not.toBeNull();
    expect(screen.getByText("黑暗")).not.toBeNull();
  });

  test("渲染紧凑模式标签和开关", () => {
    installFetchMock((call) => {
      if (call.url.includes("/api/settings")) return mockSettingsResponse();
      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
      return jsonResponse({});
    });

    renderWithProviders(createElement(SettingsPage));

    expect(screen.getByText("紧凑模式")).not.toBeNull();
  });

  test("渲染水平表单结构", () => {
    installFetchMock((call) => {
      if (call.url.includes("/api/settings")) return mockSettingsResponse();
      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
      return jsonResponse({});
    });

    renderWithProviders(createElement(SettingsPage));

    const form = document.querySelector(".ant-form");
    expect(form).not.toBeNull();
  });

  test("不再使用 Segmented", () => {
    installFetchMock((call) => {
      if (call.url.includes("/api/settings")) return mockSettingsResponse();
      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
      return jsonResponse({});
    });

    renderWithProviders(createElement(SettingsPage));

    expect(document.querySelector(".ant-segmented")).toBeNull();
  });

  test("不显示保存状态文本(已迁移到 toast)", () => {
    installFetchMock((call) => {
      if (call.url.includes("/api/settings")) return mockSettingsResponse();
      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
      return jsonResponse({});
    });

    renderWithProviders(createElement(SettingsPage));

    expect(screen.queryByText("保存中...")).toBeNull();
  });

  test("GET /api/settings 获取已保存主题和紧凑设置", async () => {
    installFetchMock((call) => {
      if (call.url.includes("/api/settings")) return mockSettingsResponse("dark", true);
      return jsonResponse({});
    });

    renderWithProviders(createElement(SettingsPage));

    await waitFor(() => {
      const radioGroup = document.querySelector(".ant-radio-group");
      expect(radioGroup).not.toBeNull();
    });
  });

  test("渲染模型卡片标题", () => {
    installFetchMock((call) => {
      if (call.url.includes("/api/settings")) return mockSettingsResponse();
      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
      return jsonResponse({});
    });

    renderWithProviders(createElement(SettingsPage));

    expect(screen.getByText("模型")).not.toBeNull();
  });
});