import { FC, useCallback, useEffect, useState } from 'react';
import { LocalizeText, WiredFurniType } from '../../../../api';
import { Slider, Text } from '../../../../common';
import { useWired } from '../../../../hooks';
import { WiredSelectorBaseView } from './WiredSelectorBaseView';

const MIN_ALTITUDE = 0;
const MAX_ALTITUDE = 40;
const ALTITUDE_STEP = 0.5;
const ALTITUDE_PATTERN = /^\d*(\.\d{0,2})?$/;

const clampAltitude = (value: number) =>
{
    if(isNaN(value)) return MIN_ALTITUDE;

    const clamped = Math.min(MAX_ALTITUDE, Math.max(MIN_ALTITUDE, value));

    return parseFloat(clamped.toFixed(2));
};

const formatAltitude = (value: number) =>
{
    const normalized = clampAltitude(value);
    const text = normalized.toFixed(2);

    return text.replace(/\.00$/, '').replace(/(\.\d)0$/, '$1');
};

const parseAltitude = (value: string) =>
{
    if(!value || !value.trim().length) return 0;

    const parsed = parseFloat(value);

    if(isNaN(parsed)) return 0;

    return clampAltitude(parsed);
};

export const WiredSelectorFurniAltitudeView: FC<{}> = () =>
{
    const { trigger = null, setIntParams = null, setStringParam = null } = useWired();
    const [ comparison, setComparison ] = useState(1);
    const [ filterExisting, setFilterExisting ] = useState(false);
    const [ invert, setInvert ] = useState(false);
    const [ altitude, setAltitude ] = useState(0);
    const [ altitudeInput, setAltitudeInput ] = useState('0');

    useEffect(() =>
    {
        if(!trigger) return;

        const nextAltitude = parseAltitude(trigger.stringData);

        setComparison((trigger.intData.length > 0) ? trigger.intData[0] : 1);
        setFilterExisting((trigger.intData.length > 1) ? (trigger.intData[1] === 1) : false);
        setInvert((trigger.intData.length > 2) ? (trigger.intData[2] === 1) : false);
        setAltitude(nextAltitude);
        setAltitudeInput(formatAltitude(nextAltitude));
    }, [ trigger ]);

    const updateAltitude = (value: number) =>
    {
        const nextValue = clampAltitude(value);

        setAltitude(nextValue);
        setAltitudeInput(formatAltitude(nextValue));
    };

    const updateAltitudeInput = (value: string) =>
    {
        if(!ALTITUDE_PATTERN.test(value)) return;

        setAltitudeInput(value);

        if(!value.length)
        {
            setAltitude(0);
            return;
        }

        const parsedValue = parseFloat(value);

        if(isNaN(parsedValue)) return;

        if(parsedValue > MAX_ALTITUDE)
        {
            updateAltitude(MAX_ALTITUDE);
            return;
        }

        setAltitude(clampAltitude(parsedValue));
    };

    const save = useCallback(() =>
    {
        setIntParams([
            comparison,
            filterExisting ? 1 : 0,
            invert ? 1 : 0
        ]);
        setStringParam(formatAltitude(altitude));
    }, [ altitude, comparison, filterExisting, invert, setIntParams, setStringParam ]);

    return (
        <WiredSelectorBaseView hasSpecialInput={ true } requiresFurni={ WiredFurniType.STUFF_SELECTION_OPTION_NONE } save={ save } hideDelay={ true } cardStyle={ { width: 400 } }>
            <div className="flex flex-col gap-2">
                <div className="flex flex-col gap-1">
                    { [ 0, 1, 2 ].map(value =>
                    {
                        return (
                            <label key={ value } className="flex items-center gap-1">
                                <input checked={ (comparison === value) } className="form-check-input" name="furniAltitudeComparison" type="radio" onChange={ () => setComparison(value) } />
                                <Text>{ LocalizeText(`wiredfurni.params.comparison.${ value }`) }</Text>
                            </label>
                        );
                    }) }
                </div>

                <div className="flex flex-col gap-1">
                    <Text bold>{ LocalizeText('wiredfurni.params.setaltitude') }</Text>
                    <input
                        className="form-control form-control-sm"
                        inputMode="decimal"
                        type="text"
                        value={ altitudeInput }
                        onBlur={ () => setAltitudeInput(formatAltitude(altitude)) }
                        onChange={ event => updateAltitudeInput(event.target.value) } />
                </div>

                <div className="flex flex-col gap-1">
                    <Slider
                        max={ MAX_ALTITUDE }
                        min={ MIN_ALTITUDE }
                        step={ ALTITUDE_STEP }
                        value={ altitude }
                        onChange={ event => updateAltitude(event as number) } />
                    <Text small>{ formatAltitude(altitude) }</Text>
                </div>

                <hr className="m-0 bg-dark" />

                <Text bold>{ LocalizeText('wiredfurni.params.selector_options_selector') }</Text>

                <label className="flex items-center gap-2">
                    <input
                        type="checkbox"
                        className="form-check-input"
                        checked={ filterExisting }
                        onChange={ event => setFilterExisting(event.target.checked) } />
                    <Text small>{ LocalizeText('wiredfurni.params.selector_option.0') }</Text>
                </label>

                <label className="flex items-center gap-2">
                    <input
                        type="checkbox"
                        className="form-check-input"
                        checked={ invert }
                        onChange={ event => setInvert(event.target.checked) } />
                    <Text small>{ LocalizeText('wiredfurni.params.selector_option.1') }</Text>
                </label>
            </div>
        </WiredSelectorBaseView>
    );
};
