import { beforeEach, describe, expect, it, jest } from '@jest/globals';

import handler from '~background/messages/extension/updateIcon';
import { validateSupport } from '~utils/domain';

describe('background/messages/extension/updateIcon.ts', () => {
  const req = { name: 'extension/updateIcon' as const };
  const res = { send: jest.fn() };

  beforeEach(() => {
    jest.clearAllMocks();
    (validateSupport as jest.Mock).mockReturnValue(true);
  });

  it('should set warnIcon when config is on, tab.url is valid, and issue URL exists', async () => {
    const body = { domain: 'example.com' };
    const sender = {
      frameId: 0,
      tab: {
        id: 123,
        url: 'https://example.com/page',
      },
    } as chrome.runtime.MessageSender;

    await chrome.storage.local.set({
      'example.com': {
        on: true,
        issue: {
          expiresAt: Date.now() + 8 * 60 * 60 * 1000,
          flags: ['jest'],
          url: 'https://example.com/issue',
        },
      },
    });
    await handler({ ...req, body, sender }, res);

    expect(chrome.action.setIcon).toHaveBeenCalledWith({ path: 'warn-icon', tabId: 123 });
    expect(res.send).toHaveBeenCalledWith({ success: true });
  });

  it('should set onIcon when config is on, tab.url is valid, and no issue URL exists', async () => {
    const body = { domain: 'example.com' };
    const sender = {
      frameId: 0,
      tab: {
        id: 123,
        url: 'https://example.com/page',
      },
    } as chrome.runtime.MessageSender;

    await chrome.storage.local.set({
      'example.com': {
        on: true,
        issue: {
          expiresAt: Date.now() + 24 * 60 * 60 * 1000,
        },
      },
    });
    await handler({ ...req, body, sender }, res);

    expect(chrome.action.setIcon).toHaveBeenCalledWith({ path: 'on-icon', tabId: 123 });
    expect(res.send).toHaveBeenCalledWith({ success: true });
  });

  it('should set offIcon when config is off or tab.url is not valid', async () => {
    const body = { domain: 'example.com' };
    const sender = {
      frameId: 0,
      tab: {
        id: 123,
        url: 'https://example.com/page',
      },
    } as chrome.runtime.MessageSender;

    await chrome.storage.local.set({
      'example.com': {
        on: false,
        issue: {
          expiresAt: Date.now() + 24 * 60 * 60 * 1000,
        },
      },
    });
    await handler({ ...req, body, sender }, res);

    expect(chrome.action.setIcon).toHaveBeenCalledWith({ path: 'off-icon', tabId: 123 });
    expect(res.send).toHaveBeenCalledWith({ success: true });
  });

  it('should set offIcon when config is on but validateSupport is false', async () => {
    const body = { domain: 'example.com' };
    const sender = {
      frameId: 0,
      tab: {
        id: 123,
        url: 'https://example.com/page',
      },
    } as chrome.runtime.MessageSender;

    (validateSupport as jest.Mock).mockReturnValue(false);

    await chrome.storage.local.set({
      'example.com': {
        on: true,
        issue: {
          expiresAt: Date.now() + 24 * 60 * 60 * 1000,
        },
      },
    });
    await handler({ ...req, body, sender }, res);

    expect(chrome.action.setIcon).toHaveBeenCalledWith({ path: 'off-icon', tabId: 123 });
    expect(res.send).toHaveBeenCalledWith({ success: true });
  });

  it('should return success: false when frameId is not 0', async () => {
    const body = { domain: 'example.com' };
    const sender = {
      frameId: 1,
      tab: {
        id: 123,
        url: 'https://example.com/page',
      },
    } as chrome.runtime.MessageSender;

    await chrome.storage.local.set({
      'example.com': {
        on: false,
        issue: {
          expiresAt: Date.now() + 24 * 60 * 60 * 1000,
        },
      },
    });
    await handler({ ...req, body, sender }, res);

    expect(chrome.action.setIcon).not.toHaveBeenCalled();
    expect(res.send).toHaveBeenCalledWith({ success: false });
  });

  it('should return success: false when tab.id is undefined', async () => {
    const body = { domain: 'example.com' };
    const sender = { frameId: 0, tab: undefined } as chrome.runtime.MessageSender;

    await chrome.storage.local.set({
      'example.com': {
        on: false,
        issue: {
          expiresAt: Date.now() + 24 * 60 * 60 * 1000,
        },
      },
    });
    await handler({ ...req, body, sender }, res);

    expect(chrome.action.setIcon).not.toHaveBeenCalled();
    expect(res.send).toHaveBeenCalledWith({ success: false });
  });
});