/**
 * @file AccountSettings.test.tsx
 * @description Settings → Account: shows the account's own information, saves
 * only a changed display name/email, refuses a password change whose two new
 * passwords differ, keeps a password that misses a rule from being sent,
 * sends the current + new password, asks before signing
 * the other devices out, and uploads/removes the avatar or sets it from a link.
 * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
 */

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

const me = vi.hoisted(() => ({
  account: vi.fn(),
  updateAccount: vi.fn(),
  changePassword: vi.fn(),
  signOutOthers: vi.fn(),
  setAvatar: vi.fn(),
  setAvatarFromUrl: vi.fn(),
  removeAvatar: vi.fn(),
  avatarUrl: (at?: string | null) => (at ? `/api/me/avatar?v=${at}` : null),
}));
vi.mock("../../../lib/api", async (importOriginal) => {
  const actual = await importOriginal<Record<string, unknown>>();
  return { ...actual, api: { me } };
});
const confirm = vi.hoisted(() => vi.fn());
vi.mock("../../../lib/confirm", () => ({ confirmDialog: confirm }));

import { AccountSettings } from "../AccountSettings";

const account = {
  mode: "server" as const,
  user: {
    id: 2,
    username: "mia",
    role: "developer" as const,
    disabled: false,
    displayName: "Mia Tran",
    email: null,
    createdAt: "2026-10-01T00:00:00.000Z",
  },
  workspaces: 3,
  sessions: 12,
  logins: 2,
  lastLoginAt: null,
};

beforeEach(() => {
  for (const fn of Object.values(me)) if ("mockReset" in fn) fn.mockReset();
  me.account.mockResolvedValue(account);
  me.updateAccount.mockResolvedValue(account);
  me.changePassword.mockResolvedValue({ ok: true });
  me.signOutOthers.mockResolvedValue({ ended: 1 });
  confirm.mockReset().mockResolvedValue(true);
});

describe("AccountSettings", () => {
  it("uploads a picked avatar and removes it again", async () => {
    const ue = userEvent.setup();
    const withAvatar = { ...account, user: { ...account.user, avatarAt: "2026-10-14T00:00:00Z" } };
    me.setAvatar.mockResolvedValue(withAvatar);
    me.removeAvatar.mockResolvedValue(account);
    render(<AccountSettings />);
    await screen.findByTestId("account-card");
    expect(screen.getByTestId("user-avatar-initials").textContent).toBe("Mi");
    expect(screen.queryByTestId("account-avatar-remove")).toBeNull();
    const file = new File([new Uint8Array([0x89, 0x50])], "me.png", { type: "image/png" });
    await ue.upload(screen.getByTestId("account-avatar-input"), file);
    await waitFor(() => expect(me.setAvatar).toHaveBeenCalledWith(file));
    expect((await screen.findByTestId("user-avatar-img")).getAttribute("src")).toBe(
      "/api/me/avatar?v=2026-10-14T00:00:00Z"
    );
    await ue.click(screen.getByTestId("account-avatar-remove"));
    await waitFor(() => expect(me.removeAvatar).toHaveBeenCalled());
    expect(await screen.findByTestId("user-avatar-initials")).toBeTruthy();
  });

  it("sets the avatar from a link and closes the field", async () => {
    const ue = userEvent.setup();
    const withAvatar = { ...account, user: { ...account.user, avatarAt: "2026-10-21T00:00:00Z" } };
    me.setAvatarFromUrl.mockResolvedValue(withAvatar);
    render(<AccountSettings />);
    await screen.findByTestId("account-card");
    expect(screen.queryByTestId("account-avatar-url-input")).toBeNull();
    await ue.click(screen.getByTestId("account-avatar-url-toggle"));
    await ue.type(screen.getByTestId("account-avatar-url-input"), " https://x.vn/me.png {Enter}");
    await waitFor(() => expect(me.setAvatarFromUrl).toHaveBeenCalledWith("https://x.vn/me.png"));
    expect((await screen.findByTestId("user-avatar-img")).getAttribute("src")).toBe(
      "/api/me/avatar?v=2026-10-21T00:00:00Z"
    );
    expect(screen.queryByTestId("account-avatar-url-input")).toBeNull();
  });

  it("shows the account's own information", async () => {
    render(<AccountSettings />);
    const card = await screen.findByTestId("account-card");
    expect(card.textContent).toContain("Mia Tran");
    expect(card.textContent).toContain("@mia");
    expect(card.textContent).toContain("Developer");
    expect(card.textContent).toContain("12");
  });

  it("saves only a changed field", async () => {
    const ue = userEvent.setup();
    render(<AccountSettings />);
    await screen.findByTestId("account-card");
    await ue.type(screen.getByLabelText("Email"), "mia@x.vn");
    await ue.click(screen.getByRole("button", { name: "Save" }));
    await waitFor(() => expect(me.updateAccount).toHaveBeenCalledWith({ email: "mia@x.vn" }));
  });

  it("refuses two different new passwords", async () => {
    const ue = userEvent.setup();
    render(<AccountSettings />);
    await screen.findByTestId("account-card");
    await ue.type(screen.getByLabelText("Current password"), "old-pass-1");
    await ue.type(screen.getByLabelText("New password"), "new-pass-123");
    await ue.type(screen.getByLabelText("Confirm new password"), "new-pass-999");
    expect(screen.getByText("The two new passwords differ.")).toBeTruthy();
    const button = screen.getByRole("button", { name: "Change password" });
    expect(button.hasAttribute("disabled")).toBe(true);
    expect(me.changePassword).not.toHaveBeenCalled();
  });

  it("changes the password with the current one", async () => {
    const ue = userEvent.setup();
    render(<AccountSettings />);
    await screen.findByTestId("account-card");
    await ue.type(screen.getByLabelText("Current password"), "old-pass-1");
    await ue.type(screen.getByLabelText("New password"), "new-pass-123");
    await ue.type(screen.getByLabelText("Confirm new password"), "new-pass-123");
    // No upper-case letter: the checklist says so and the button stays off.
    expect(
      screen
        .getByTestId("password-rules")
        .querySelector('[data-rule="upper"]')
        ?.getAttribute("data-ok")
    ).toBe("false");
    expect(screen.getByRole("button", { name: "Change password" })).toBeDisabled();
    await ue.clear(screen.getByLabelText("New password"));
    await ue.clear(screen.getByLabelText("Confirm new password"));
    await ue.type(screen.getByLabelText("New password"), "New-pass-123");
    await ue.type(screen.getByLabelText("Confirm new password"), "New-pass-123");
    await ue.click(screen.getByRole("button", { name: "Change password" }));
    await waitFor(() =>
      expect(me.changePassword).toHaveBeenCalledWith("old-pass-1", "New-pass-123")
    );
  });

  it("asks before signing the other devices out", async () => {
    const ue = userEvent.setup();
    render(<AccountSettings />);
    await screen.findByTestId("account-card");
    await ue.click(screen.getByRole("button", { name: "Sign out other devices" }));
    expect(confirm).toHaveBeenCalled();
    await waitFor(() => expect(me.signOutOthers).toHaveBeenCalled());
  });
});