const React = require('react');
const {shallowWithIntl} = require('../../helpers/intl-helpers.jsx');
import {mountWithIntl} from '../../helpers/intl-helpers.jsx';
const ComposeComment = require('../../../src/views/preview/comment/compose-comment.jsx');
import configureStore from 'redux-mock-store';

describe('Compose Comment test', () => {
    const mockStore = configureStore();
    let _mockFormat;
    const defaultProps = () =>({
        user: {
            thumbnailUrl: 'scratch.mit.edu',
            username: 'auser'
        }
    });

    let defaultStore;
    beforeEach(() => {
        const mockFormat = {
            format: jest.fn()
        };
        _mockFormat = Intl.RelativeTimeFormat = jest
            .fn()
            .mockImplementation(() => mockFormat);
        mockFormat.format.mockReturnValue('');

        defaultStore = mockStore({
            session: {
                session: {
                    user: {},
                    permissions: {
                        mute_status: {}
                    }
                }
            }
        });
    });

    const getComposeCommentWrapper = (props, store) => {
        if (!store) {
            store = defaultStore;
        }
        const wrapper = shallowWithIntl(
            <ComposeComment
                {...defaultProps()}
                {...props}

            />
            , {context: {store}}
        );
        return wrapper.dive(); // unwrap redux connect(injectIntl(ComposeComment))
    };

    test('Modal & Comment status do not show ', () => {
        const component = getComposeCommentWrapper({});
        // Comment compsoe box is there
        expect(component.find('FlexRow.compose-comment').exists()).toEqual(true);
        // No error message
        expect(component.find('FlexRow.compose-error-row').exists()).toEqual(false);
        expect(component.find('MuteModal').exists()).toEqual(false);
        expect(component.find('CommentingStatus').exists()).toEqual(false);
    });

    test('Error messages shows when comment rejected ', () => {
        const component = getComposeCommentWrapper({});
        const commentInstance = component.instance();
        commentInstance.setState({error: 'isFlood'});
        component.update();
        expect(component.find('FlexRow.compose-error-row').exists()).toEqual(true);
    });

    test('No error message shows when comment rejected because user muted ', () => {
        const component = getComposeCommentWrapper({});
        const commentInstance = component.instance();
        commentInstance.setState({
            error: 'isMuted',
            status: 'REJECTED_MUTE'
        });
        component.update();
        expect(component.find('FlexRow.compose-error-row').exists()).toEqual(false);
    });

    test('Comment Status shows but compose box does not when mute expiration in the future ', () => {
        const realDateNow = Date.now.bind(global.Date);
        global.Date.now = () => 0;
        const component = getComposeCommentWrapper({});
        const commentInstance = component.instance();
        commentInstance.setState({muteExpiresAtMs: 100});
        component.update();
        // Compose box should be hidden if muted unless they got muted due to a comment they just posted.
        expect(component.find('FlexRow.compose-comment').exists()).toEqual(false);
        expect(component.find('MuteModal').exists()).toEqual(false);
        expect(component.find('CommentingStatus').exists()).toEqual(true);
        global.Date.now = realDateNow;
    });

    test('Comment Status initialized properly when muted', () => {
        jest.useFakeTimers();
        const realDateNow = Date.now.bind(global.Date);
        global.Date.now = () => 0;
        const mutedStore = mockStore({
            session: {
                session: {
                    user: {},
                    permissions: {
                        mute_status: {
                            muteExpiresAt: 5,
                            offenses: []
                        }
                    }
                }
            }
        });
        const component = getComposeCommentWrapper({}, mutedStore);
        const commentInstance = component.instance();
        // Check conversion to ms from seconds is done at init time.
        expect(commentInstance.state.muteExpiresAtMs).toEqual(5 * 1000);
        // Check we setup a timeout to expire the widget when timeout reached.
        expect(setTimeout).toHaveBeenLastCalledWith(expect.any(Function), 5 * 1000);
        // Compose box should be hidden if muted unless they got muted due to a comment they just posted.
        expect(component.find('FlexRow.compose-comment').exists()).toEqual(false);
        expect(component.find('MuteModal').exists()).toEqual(false);
        expect(component.find('CommentingStatus').exists()).toEqual(true);
        global.Date.now = realDateNow;
    });

    test('Comment Status shows when user just submitted a comment that got them muted', () => {
        const realDateNow = Date.now.bind(global.Date);
        global.Date.now = () => 0;
        const component = getComposeCommentWrapper({});
        const commentInstance = component.instance();
        commentInstance.setState({
            status: 'REJECTED_MUTE',
            muteExpiresAtMs: 100
        });
        component.update();
        expect(component.find('FlexRow.compose-comment').exists()).toEqual(true);
        expect(component.find('MuteModal').exists()).toEqual(false);
        expect(component.find('CommentingStatus').exists()).toEqual(true);
        // Compose box exists but is disabled
        expect(component.find('InplaceInput.compose-input').exists()).toEqual(true);
        expect(component.find('InplaceInput.compose-input').props().disabled).toBe(true);
        global.Date.now = realDateNow;
    });
    test('Comment Error does not show for mutes', () => {
        const realDateNow = Date.now.bind(global.Date);
        global.Date.now = () => 0;
        const component = getComposeCommentWrapper({});
        const commentInstance = component.instance();
        commentInstance.setState({
            status: 'REJECTED_MUTE',
            error: 'a mute error'
        });
        component.update();
        expect(component.find('FlexRow.compose-error-row').exists()).toEqual(false);
        expect(component.find('FlexRow.compose-comment').exists()).toEqual(true);
        global.Date.now = realDateNow;
    });
    test('Comment Error does show for non-mute errors', () => {
        const component = getComposeCommentWrapper({});
        const commentInstance = component.instance();
        commentInstance.setState({
            error: 'some error',
            status: 'FLOOD'
        });
        component.update();
        expect(component.find('FlexRow.compose-error-row').exists()).toEqual(true);
        expect(component.find('FlexRow.compose-comment').exists()).toEqual(true);
        expect(component.find('InplaceInput.compose-input').exists()).toEqual(true);
        expect(component.find('InplaceInput.compose-input').props().disabled).toBe(false);
    });

    test('Mute Modal shows when muteOpen is true ', () => {
        const realDateNow = Date.now.bind(global.Date);
        global.Date.now = () => 0;
        const store = mockStore({
            session: {
                session: {
                    user: {},
                    permissions: {
                        mute_status: {}
                    }
                }
            }
        });
        const component = mountWithIntl(
            <ComposeComment
                {...defaultProps()}
            />
            , {context: {store}}
        );
        // set state on the ComposeComment component, not the wrapper
        const commentInstance = component.find('ComposeComment').instance();
        commentInstance.setState({muteOpen: true});
        component.update();
        expect(component.find('MuteModal').exists()).toEqual(true);
        global.Date.now = realDateNow;
    });

    test('shouldShowMuteModal is false when list is undefined ', () => {
        const commentInstance = getComposeCommentWrapper({}).instance();
        expect(commentInstance.shouldShowMuteModal()).toBe(false);
    });

    test('shouldShowMuteModal is false when list empty ', () => {
        const offenses = [];
        const commentInstance = getComposeCommentWrapper({}).instance();
        expect(commentInstance.shouldShowMuteModal(offenses)).toBe(false);
    });

    test('shouldShowMuteModal is true when only 1 recent offesnse ', () => {
        const offenses = [];
        const realDateNow = Date.now.bind(global.Date);
        global.Date.now = () => 0;
        // Since Date.now mocked to 0 above, we just need a small number to make
        // it look like it was created < 2 minutes ago.
        const offense = {
            expiresAt: '1000',
            createdAt: '-60' // ~1 ago min given shouldShowMuteModal's conversions,
        };
        offenses.push(offense);
        const commentInstance = getComposeCommentWrapper({}).instance();
        expect(commentInstance.shouldShowMuteModal(offenses)).toBe(true);
        global.Date.now = realDateNow;
    });

    test('shouldShowMuteModal is false when multiple offenses, even if 1 is recent ', () => {
        const offenses = [];
        const realDateNow = Date.now.bind(global.Date);
        global.Date.now = () => 0;
        // Since Date.now mocked to 0 above, we just need a small number to make
        // it look like it was created more than 2 minutes ago.
        let offense = {
            expiresAt: '1000',
            createdAt: '-119' // just shy of two min ago
        };
        offenses.push(offense);
        offense.createdAt = '-180'; // 3 minutes ago;
        offenses.push(offense);
        const commentInstance = getComposeCommentWrapper({}).instance();
        expect(commentInstance.shouldShowMuteModal(offenses)).toBe(false);
        global.Date.now = realDateNow;
    });

    test('isMuted: expiration is in the future ', () => {
        const realDateNow = Date.now.bind(global.Date);
        global.Date.now = () => 0; // Set "now" to 0 for easier testing.

        const commentInstance = getComposeCommentWrapper({}).instance();
        commentInstance.setState({muteExpiresAtMs: 100});
        expect(commentInstance.isMuted()).toBe(true);
        global.Date.now = realDateNow;
    });

    test('isMuted: expiration is in the past ', () => {
        const realDateNow = Date.now.bind(global.Date);
        global.Date.now = () => 0;

        const commentInstance = getComposeCommentWrapper({}).instance();
        commentInstance.setState({muteExpiresAtMs: -100});
        expect(commentInstance.isMuted()).toBe(false);
        global.Date.now = realDateNow;
    });

    test('isMuted: expiration is not set ', () => {
        const realDateNow = Date.now.bind(global.Date);
        global.Date.now = () => 0;

        const commentInstance = getComposeCommentWrapper({}).instance();
        expect(commentInstance.isMuted()).toBe(false);
        global.Date.now = realDateNow;
    });
});