import React from 'react';
import '@testing-library/jest-dom';
import '@testing-library/jest-dom/extend-expect';
import {
    cleanup, fireEvent, render, waitFor,
} from '@testing-library/react';
import {
    Action, EmbedEvent, HostEvent, RuntimeFilterOp,
} from '../types';
import {
    executeAfterWait,
    getIFrameEl,
    getIFrameSrc,
    postMessageToParent,
    mockMessageChannel,
} from '../test/test-utils';
import {
    SearchEmbed, AppEmbed, LiveboardEmbed, useEmbedRef, SearchBarEmbed, PreRenderedLiveboardEmbed,
    SpotterAgentEmbed
} from './index';
import * as allExports from './index';
import {
    AuthType, init,
} from '../index';

import { version } from '../../package.json';

import * as auth from '../auth';
import * as sessionService from '../utils/sessionInfoService';

const thoughtSpotHost = 'localhost';

beforeAll(() => {
    init({
        thoughtSpotHost,
        authType: AuthType.None,
    });
    jest.spyOn(auth, 'postLoginService').mockReturnValue(true);
    jest.spyOn(sessionService, 'getSessionInfo').mockReturnValue({
        userGUID: 'abcd',
    });
    spyOn(window, 'alert');
});

describe('React Components', () => {
    describe('SearchEmbed', () => {
        it('Should Render the Iframe with props', async () => {
            const { container } = render(
                <SearchEmbed hideDataSources={true} className="embedClass" />,
            );

            await waitFor(() => getIFrameEl(container));

            expect(
                getIFrameEl(container).parentElement.classList.contains(
                    'embedClass',
                ),
            ).toBe(true);
            expect(getIFrameSrc(container)).toBe(
                `http://${thoughtSpotHost}/?embedApp=true&hostAppUrl=local-host&viewPortHeight=768&viewPortWidth=1024&sdkVersion=${version}&authType=None&blockNonEmbedFullAppAccess=true&hideAction=[%22${Action.ReportError}%22,%22editACopy%22,%22saveAsView%22,%22updateTSL%22,%22editTSL%22,%22onDeleteAnswer%22]&preAuthCache=true&overrideConsoleLogs=true&clientLogLevel=ERROR&enableDataPanelV2=false&dataSourceMode=hide&useLastSelectedSources=false&isSearchEmbed=true&collapseSearchBarInitially=true&enableCustomColumnGroups=false&dataPanelCustomGroupsAccordionInitialState=EXPAND_ALL#/embed/answer`,
            );
        });

        it('Should attach event listeners', async (done) => {
            const userGUID = 'absfdfgd';
            const { container } = render(
                <SearchEmbed
                    onInit={(e) => {
                        expect(e.data).toHaveProperty('timestamp');
                    }}
                    onAuthInit={(e) => {
                        expect(e.data.userGUID).toEqual(userGUID);
                        done();
                    }}
                />,
            );

            await waitFor(() => getIFrameEl(container));
            const iframe = getIFrameEl(container);
            postMessageToParent(iframe.contentWindow, {
                type: EmbedEvent.AuthInit,
                data: {
                    userGUID,
                },
            });
        });
    });

    describe('AppEmbed', () => {
        //
    });

    describe('LiveboardEmbed', () => {
        //
        it('Should be able to trigger events on the embed using refs', async () => {
            mockMessageChannel();
            const TestComponent = () => {
                const embedRef = useEmbedRef<typeof LiveboardEmbed>();
                const onLiveboardRendered = () => {
                    embedRef.current.trigger(HostEvent.SetVisibleVizs, ['viz1', 'viz2']);
                };

                return (
                    <LiveboardEmbed
                        ref={embedRef}
                        liveboardId="abcd"
                        onLiveboardRendered={onLiveboardRendered}
                    />
                );
            };

            const { container } = render(<TestComponent />);

            await waitFor(() => getIFrameEl(container));
            const iframe = getIFrameEl(container);
            jest.spyOn(iframe.contentWindow, 'postMessage');
            postMessageToParent(iframe.contentWindow, {
                type: EmbedEvent.LiveboardRendered,
                data: {
                    userGUID: 'abcd',
                },
            });
            await executeAfterWait(() => {
                expect(iframe.contentWindow.postMessage).toHaveBeenCalledWith(
                    {
                        type: HostEvent.SetVisibleVizs,
                        data: ['viz1', 'viz2'],
                    },
                    `http://${thoughtSpotHost}`,
                    expect.anything(),
                );
            });
        });

        it('Should render liveboard with runtime filters', async () => {
            const { container } = render(
                <LiveboardEmbed
                    liveboardId="abcd"
                    runtimeFilters={[
                        {
                            columnName: 'revenue',
                            operator: RuntimeFilterOp.EQ,
                            values: [100],
                        },
                    ]}
                    excludeRuntimeFiltersfromURL={false}
                />,
            );

            await waitFor(() => getIFrameEl(container));
            expect(getIFrameSrc(container)).toContain('col1=revenue&op1=EQ&val1=100');
        });

        it('Should have the correct container element', async () => {
            const { container } = render(
                <LiveboardEmbed liveboardId="abcd" className="def" />,
            );

            await waitFor(() => getIFrameEl(container));
            expect(container.querySelector('div')).not.toBe(null);
            expect(
                container.querySelector('div').classList.contains('def'),
            ).toBe(true);

            const { container: containerSibling } = render(
                <LiveboardEmbed
                    liveboardId="abcd"
                    className="def"
                    insertAsSibling={true}
                />,
            );
            await waitFor(() => getIFrameEl(containerSibling));
            expect(containerSibling.querySelector('span')).not.toBe(null);
            expect(containerSibling.querySelector('span').style.position).toBe(
                'absolute',
            );
            expect(
                getIFrameEl(containerSibling).classList.contains('def'),
            ).toBe(true);
            expect(containerSibling.querySelector('div')).toBe(null);
        });

        it('Should have the correct container element', async () => {
            const { container } = render(
                <LiveboardEmbed liveboardId="abcd" className="def" />,
            );

            await waitFor(() => getIFrameEl(container));
            expect(container.querySelector('div')).not.toBe(null);
            expect(
                container.querySelector('div').classList.contains('def'),
            ).toBe(true);

            const { container: containerSibling } = render(
                <LiveboardEmbed
                    liveboardId="abcd"
                    className="def"
                    insertAsSibling={true}
                />,
            );
            await waitFor(() => getIFrameEl(containerSibling));
            expect(containerSibling.querySelector('span')).not.toBe(null);
            expect(containerSibling.querySelector('span').style.position).toBe(
                'absolute',
            );
            expect(
                getIFrameEl(containerSibling).classList.contains('def'),
            ).toBe(true);
            expect(containerSibling.querySelector('div')).toBe(null);
        });
    });

    describe('SearchBarEmbed', () => {
        it('Should Render the Iframe with props', async () => {
            const { container } = render(
                <SearchBarEmbed
                    className="embedClass"
                    dataSource={'test'}
                    searchOptions={{
                        searchTokenString: '[revenue]',
                        executeSearch: true,
                    }}
                />,
            );

            await waitFor(() => getIFrameEl(container));

            expect(
                getIFrameEl(container).parentElement.classList.contains(
                    'embedClass',
                ),
            ).toBe(true);
            expect(getIFrameSrc(container)).toBe(
                `http://${thoughtSpotHost}/?embedApp=true&hostAppUrl=local-host&viewPortHeight=768&viewPortWidth=1024&sdkVersion=${version}&authType=None&blockNonEmbedFullAppAccess=true&hideAction=[%22${Action.ReportError}%22]&preAuthCache=true&overrideConsoleLogs=true&clientLogLevel=ERROR&dataSources=[%22test%22]&searchTokenString=%5Brevenue%5D&executeSearch=true&useLastSelectedSources=false&isSearchEmbed=true#/embed/search-bar-embed`,
            );
        });
    });

    describe('SpotterAgentEmbed', () => {
        it('Should work as a React component integrating BodylessConversation', async () => {
            const mockDiv = document.createElement('div');
            
            let conversationService: any = null;
            
            render(
                <SpotterAgentEmbed
                    ref={(instance: any) => {
                        conversationService = instance;
                        
                        if (instance) {
                            instance.sendMessage = jest.fn().mockResolvedValue({
                                container: mockDiv
                            });
                        }
                    }}
                    worksheetId="test-worksheet-id"
                />
            );

            expect(conversationService).not.toBeNull();
            
            if (conversationService) {
                expect(typeof conversationService.sendMessage).toBe('function');
                
                const response = await conversationService.sendMessage("What are my sales this month?");
                expect(response.container).toBe(mockDiv);
            }
        });

        it('Should work as a React component with ref support', () => {
            const mockSendMessage = jest.fn().mockResolvedValue({
                container: document.createElement('div'),
                viz: {}
            });
            
            const TestComponent = () => {
                const conversationRef = React.useRef(null);
                
                const handleClick = () => {
                    if (conversationRef.current) {
                        conversationRef.current.sendMessage = mockSendMessage;
                        
                        conversationRef.current.sendMessage("Test message");
                    }
                };
                
                return (
                    <>
                        <SpotterAgentEmbed
                            ref={conversationRef}
                            worksheetId="test-worksheet-id"
                        />
                        <button data-testid="test-button" onClick={handleClick}>
                            Send Message
                        </button>
                    </>
                );
            };
            
            const { getByTestId } = render(<TestComponent />);
            
            fireEvent.click(getByTestId('test-button'));
            
            expect(mockSendMessage).toHaveBeenCalledWith("Test message");
        });

        it('Should work with the useEmbedRef hook', () => {
            const mockSendMessage = jest.fn().mockResolvedValue({
                container: document.createElement('div'),
                viz: {}
            });
            
            const TestComponent = () => {
                const embedRef = useEmbedRef<typeof SpotterAgentEmbed>();
                
                const handleClick = () => {
                    if (embedRef.current) {
                        const service = embedRef.current as unknown as { 
                            sendMessage: typeof mockSendMessage 
                        };
                        
                        service.sendMessage = mockSendMessage;
                        
                        service.sendMessage("Test with useEmbedRef");
                    }
                };
                
                return (
                    <>
                        <SpotterAgentEmbed
                            ref={embedRef}
                            worksheetId="test-worksheet-id"
                        />
                        <button data-testid="use-embed-ref-button" onClick={handleClick}>
                            Send with useEmbedRef
                        </button>
                    </>
                );
            };
            
            const { getByTestId } = render(<TestComponent />);
            
            fireEvent.click(getByTestId('use-embed-ref-button'));
            
            expect(mockSendMessage).toHaveBeenCalledWith("Test with useEmbedRef");
        });

        it('Should work with the className prop', async () => {
            let capturedInstance: any = null;
            
            const TestComponent = () => {
                const embedRef = useEmbedRef<typeof SpotterAgentEmbed>();
                
                React.useEffect(() => {
                    capturedInstance = embedRef.current;
                    
                    if (capturedInstance) {
                        const mockConversationService = {
                            sendMessage: jest.fn().mockResolvedValue({
                                data: {
                                    sessionId: 'test-session',
                                    genNo: 1,
                                    stateKey: {
                                        transactionId: 'test-transaction',
                                        generationNumber: 1
                                    }
                                }
                            })
                        };
                        (capturedInstance as any).conversationService = mockConversationService;
                    }
                }, []);
                
                return (
                    <SpotterAgentEmbed
                        ref={embedRef}
                        worksheetId="test-worksheet-id"
                        className="embedClass"
                    />
                );
            };
            
            render(<TestComponent />);
            
            expect(capturedInstance).not.toBeNull();
            
            if (capturedInstance) {
                const result = await capturedInstance.sendMessage("test");
                expect(result.container.className).toBe("embedClass");
            }
        });
    });

    describe('PreRenderedLiveboardEmbed', () => {
        it('should preRender the liveboard ', async () => {
            const preRenderId = 'tsEmbed-pre-render-wrapper-test';

            const { container } = render(
                <PreRenderedLiveboardEmbed
                    className="embedClass"
                    preRenderId="test"
                    liveboardId="libId"
                />,
            );

            await waitFor(() => getIFrameEl());
            const preRenderWrapper = document.body.querySelector(`#${preRenderId}`) as HTMLDivElement;

            expect(preRenderWrapper).toBeInstanceOf(HTMLDivElement);
            expect((preRenderWrapper as HTMLDivElement).childElementCount).toBe(1);

            const preRenderChildId = 'tsEmbed-pre-render-child-test';
            const preRenderChild = document.body.querySelector(`#${preRenderChildId}`);
            expect(preRenderWrapper.children[0]).toBe(preRenderChild);

            (window as any).ResizeObserver = jest.fn().mockImplementation(() => ({
                disconnect: jest.fn(),
                observe: jest.fn(),
                unobserve: jest.fn(),
            }));
            const { container: libContainer } = render(
                <LiveboardEmbed
                    className="embedClass"
                    preRenderId="test"
                    liveboardId="libId"
                />,
            );

            expect(preRenderWrapper.style.opacity).toBe('');
            expect(preRenderWrapper.style.pointerEvents).toBe('');
            expect(preRenderWrapper.style.zIndex).toBe('');
        });
    });
});

describe('allExports', () => {
    it('should have exports', () => {
        expect(typeof allExports).toBe('object');
    });

    it('should not have undefined exports', () => {
        Object.keys(allExports).forEach(
            (exportKey) => expect(
                Boolean(allExports[exportKey as keyof typeof allExports]),
            )
                .toBe(true),
        );
    });
});