import React, { useCallback, useEffect, useRef, useState } from 'react';
import { RadioButton } from 'primereact/radiobutton';
import { InputSwitch } from 'primereact/inputswitch';
import classNames from 'classnames';
import {Button} from "primereact/button";

export const AppConfig = (props) => {

    const [active, setActive] = useState(false);
    const [scale, setScale] = useState(14);
    const [scales] = useState([12,13,14,15,16]);
    const [theme, setTheme] = useState('lara-light-indigo');
    const config = useRef(null);
    let outsideClickListener = useRef(null);

    const unbindOutsideClickListener = useCallback(() => {
        if (outsideClickListener.current) {
            document.removeEventListener('click', outsideClickListener.current);
            outsideClickListener.current = null;
        }
    }, []);

    const hideConfigurator = useCallback((event) => {
        setActive(false);
        unbindOutsideClickListener();
        event.preventDefault();
    }, [unbindOutsideClickListener]);

    const bindOutsideClickListener = useCallback(() => {
        if (!outsideClickListener.current) {
            outsideClickListener.current = (event) => {
                if (active && isOutsideClicked(event)) {
                    hideConfigurator(event);
                }
            };
            document.addEventListener('click', outsideClickListener.current);
        }
    }, [active, hideConfigurator]);

    useEffect(() => {
        if (active) {
            bindOutsideClickListener()
        }
        else {
            unbindOutsideClickListener()
        }
    }, [active, bindOutsideClickListener, unbindOutsideClickListener]);

    const isOutsideClicked = (event) => {
        return !(config.current.isSameNode(event.target) || config.current.contains(event.target));
    }

    const decrementScale = () => {
        setScale((prevState) => --prevState);
    }

    const incrementScale = () => {
        setScale((prevState) => ++prevState);
    }

    useEffect(() => {
        document.documentElement.style.fontSize = scale + 'px';
    }, [scale])

    const toggleConfigurator = (event) => {
        setActive(prevState => !prevState);
    }

    const configClassName = classNames('layout-config', {
        'layout-config-active': active
    })

    const replaceLink = useCallback((linkElement, href, callback) => {
        if (isIE()) {
            linkElement.setAttribute('href', href);

            if (callback) {
                callback();
            }
        }
        else {
            const id = linkElement.getAttribute('id');
            const cloneLinkElement = linkElement.cloneNode(true);

            cloneLinkElement.setAttribute('href', href);
            cloneLinkElement.setAttribute('id', id + '-clone');

            linkElement.parentNode.insertBefore(cloneLinkElement, linkElement.nextSibling);

            cloneLinkElement.addEventListener('load', () => {
                linkElement.remove();
                cloneLinkElement.setAttribute('id', id);

                if (callback) {
                    callback();
                }
            });
        }
    },[])

    useEffect(() => {
        let themeElement = document.getElementById('theme-link');
        const themeHref = 'assets/themes/' + theme + '/theme.css';
        replaceLink(themeElement, themeHref);

    },[theme,replaceLink])

    const isIE = () => {
        return /(MSIE|Trident\/|Edge\/)/i.test(window.navigator.userAgent)
    }

    const changeTheme = (e, theme, scheme) => {
        props.onColorModeChange(scheme);
        setTheme(theme);
    }

    return (
        <div ref={config} className={configClassName} id={"layout-config"}>
            <button className="layout-config-button p-link" id="layout-config-button" onClick={toggleConfigurator}>
                <i className="pi pi-cog"></i>
            </button>
            <Button className="p-button-danger layout-config-close p-button-rounded p-button-text" icon="pi pi-times" onClick={hideConfigurator}/>

            <div className="layout-config-content">
                <h5 className="mt-0">Component Scale</h5>
                <div className="config-scale">
                    <Button icon="pi pi-minus" onClick={decrementScale} className="p-button-text" disabled={scale === scales[0]} />
                    {
                        scales.map((item) => {
                            return <i className={classNames('pi pi-circle-on', {'scale-active': item === scale})} key={item}/>
                        })
                    }
                    <Button icon="pi pi-plus" onClick={incrementScale} className="p-button-text" disabled={scale === scales[scales.length - 1]} />
                </div>

                <h5>Input Style</h5>
                <div className="p-formgroup-inline">
                    <div className="field-radiobutton">
                        <RadioButton inputId="input_outlined" name="inputstyle" value="outlined" onChange={(e) => props.onInputStyleChange(e.value)} checked={props.inputStyle === 'outlined'} />
                        <label htmlFor="input_outlined">Outlined</label>
                    </div>
                    <div className="field-radiobutton">
                        <RadioButton inputId="input_filled" name="inputstyle" value="filled" onChange={(e) => props.onInputStyleChange(e.value)} checked={props.inputStyle === 'filled'} />
                        <label htmlFor="input_filled">Filled</label>
                    </div>
                </div>

                <h5>Ripple Effect</h5>
                <InputSwitch checked={props.rippleEffect} onChange={props.onRippleEffect} />

                <h5>Menu Type</h5>
                <div className="p-formgroup-inline">
                    <div className="field-radiobutton">
                        <RadioButton inputId="static" name="layoutMode" value="static" onChange={(e) => props.onLayoutModeChange(e.value)} checked={props.layoutMode === 'static'} />
                        <label htmlFor="static">Static</label>
                    </div>
                    <div className="field-radiobutton">
                        <RadioButton inputId="overlay" name="layoutMode" value="overlay" onChange={(e) => props.onLayoutModeChange(e.value)} checked={props.layoutMode === 'overlay'} />
                        <label htmlFor="overlay">Overlay</label>
                    </div>
                </div>

                <h5>Themes</h5>
                <h6 className="mt-0">Bootstrap</h6>
                <div className="grid free-themes">
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'bootstrap4-light-blue', 'light')}>
                            <img src="assets/layout/images/themes/bootstrap4-light-blue.svg" alt="Bootstrap Light Blue"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'bootstrap4-light-purple', 'light')}>
                            <img src="assets/layout/images/themes/bootstrap4-light-purple.svg" alt="Bootstrap Light Purple"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'bootstrap4-dark-blue', 'dark')}>
                            <img src="assets/layout/images/themes/bootstrap4-dark-blue.svg" alt="Bootstrap Dark Blue"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'bootstrap4-dark-purple', 'dark')}>
                            <img src="assets/layout/images/themes/bootstrap4-dark-purple.svg" alt="Bootstrap Dark Purple"/>
                        </button>
                    </div>
                </div>

                <h6>Material Design</h6>
                <div className="grid free-themes">
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'md-light-indigo', 'light')}>
                            <img src="assets/layout/images/themes/md-light-indigo.svg" alt="Material Light Indigo"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'md-light-deeppurple', 'light')}>
                            <img src="assets/layout/images/themes/md-light-deeppurple.svg" alt="Material Light DeepPurple"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'md-dark-indigo', 'dark')}>
                            <img src="assets/layout/images/themes/md-dark-indigo.svg" alt="Material Dark Indigo"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'md-dark-deeppurple', 'dark')}>
                            <img src="assets/layout/images/themes/md-dark-deeppurple.svg" alt="Material Dark DeepPurple"/>
                        </button>
                    </div>
                </div>

                <h6>Material Design Compact</h6>
                <div className="grid free-themes">
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'mdc-light-indigo', 'light')}>
                            <img src="assets/layout/images/themes/md-light-indigo.svg" alt="Material Light Indigo"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'mdc-light-deeppurple', 'light')}>
                            <img src="assets/layout/images/themes/md-light-deeppurple.svg" alt="Material Light DeepPurple"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'mdc-dark-indigo', 'dark')}>
                            <img src="assets/layout/images/themes/md-dark-indigo.svg" alt="Material Dark Indigo"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'mdc-dark-deeppurple', 'dark')}>
                            <img src="assets/layout/images/themes/md-dark-deeppurple.svg" alt="Material Dark DeepPurple"/>
                        </button>
                    </div>
                </div>

                <h6>Tailwind</h6>
                <div className="grid free-themes">
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'tailwind-light', 'light')}>
                            <img src="assets/layout/images/themes/tailwind-light.png" alt="Tailwind Light"/>
                        </button>
                    </div>
                </div>

                <h6>Fluent UI</h6>
                <div className="grid free-themes">
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'fluent-light', 'light')}>
                            <img src="assets/layout/images/themes/fluent-light.png" alt="Fluent Light"/>
                        </button>
                    </div>
                </div>

                <h6>PrimeOne Design - 2022</h6>
                <div className="grid free-themes">
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={(e) => changeTheme(e, 'lara-light-indigo', 'light')}>
                            <img src="assets/layout/images/themes/lara-light-indigo.png" alt="Lara Light Indigo"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={(e) => changeTheme(e, 'lara-light-blue', 'light')}>
                            <img src="assets/layout/images/themes/lara-light-blue.png" alt="Lara Light Blue"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={(e) => changeTheme(e, 'lara-light-purple', 'light')}>
                            <img src="assets/layout/images/themes/lara-light-purple.png" alt="Lara Light Purple"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={(e) => changeTheme(e, 'lara-light-teal', 'light')}>
                            <img src="assets/layout/images/themes/lara-light-teal.png" alt="Lara Light Teal"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={(e) => changeTheme(e, 'lara-dark-indigo', 'dark')}>
                            <img src="assets/layout/images/themes/lara-dark-indigo.png" alt="Lara Dark Indigo"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={(e) => changeTheme(e, 'lara-dark-blue', 'dark')}>
                            <img src="assets/layout/images/themes/lara-dark-blue.png" alt="Lara Dark Blue"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={(e) => changeTheme(e, 'lara-dark-purple', 'dark')}>
                            <img src="assets/layout/images/themes/lara-dark-purple.png" alt="Lara Dark Purple"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={(e) => changeTheme(e, 'lara-dark-teal', 'dark')}>
                            <img src="assets/layout/images/themes/lara-dark-teal.png" alt="Lara Dark Teal"/>
                        </button>
                    </div>
                </div>

                <h6>PrimeOne Design - 2021</h6>
                <div className="grid free-themes">
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'saga-blue', 'light')}>
                            <img src="assets/layout/images/themes/saga-blue.png" alt="Saga Blue"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'saga-green', 'light')}>
                            <img src="assets/layout/images/themes/saga-green.png" alt="Saga Green"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'saga-orange', 'light')}>
                            <img src="assets/layout/images/themes/saga-orange.png" alt="Saga Orange"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'saga-purple', 'light')}>
                            <img src="assets/layout/images/themes/saga-purple.png" alt="Saga Purple"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'vela-blue', 'dim')}>
                            <img src="assets/layout/images/themes/vela-blue.png" alt="Vela Blue"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'vela-green', 'dim')}>
                            <img src="assets/layout/images/themes/vela-green.png" alt="Vela Green"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'vela-orange', 'dim')}>
                            <img src="assets/layout/images/themes/vela-orange.png" alt="Vela Orange"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'vela-purple', 'dim')}>
                            <img src="assets/layout/images/themes/vela-purple.png" alt="Vela Purple"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'arya-blue', 'dark')}>
                            <img src="assets/layout/images/themes/arya-blue.png" alt="Arya Blue"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'arya-green', 'dark')}>
                            <img src="assets/layout/images/themes/arya-green.png" alt="Arya Green"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'arya-orange', 'dark')}>
                            <img src="assets/layout/images/themes/arya-orange.png" alt="Arya Orange"/>
                        </button>
                    </div>
                    <div className="col-3 text-center">
                        <button className="p-link" onClick={e => changeTheme(e, 'arya-purple', 'dark')}>
                            <img src="assets/layout/images/themes/arya-purple.png" alt="Arya Purple"/>
                        </button>
                    </div>
                </div>

            </div>
        </div>
    );
}