import { MdLocalFireDepartment } from 'react-icons/md'
import Button from 'src/Components/Button/Button'
import { useAppSelector, usePressHolder, useResizeListener } from 'src/utils/hooks'
import { ComponentProps, SyntheticEvent, useRef, useState } from 'react'
import styles from './styles.module.scss'
import { random, randomItem, numberFormatter } from 'src/utils/helperFunctions'
import { useDebouncedCallback, useMountEffect, useThrottledCallback } from '@react-hookz/web'
import { UnionToObjectKeys } from 'src/utils/types/utils'
import { Portal } from '../Portal/Portal'
import { ThreeDots } from 'react-loader-spinner'
import { AnimatePresence, motion } from 'framer-motion'



interface Particle {
    id: string,
    offsetX: number,
    offsetY: number,
    color: string
    animation: 'fly-spark-1' | 'fly-spark-2',
    animationSpeed: 1 | 2 | 3,
    scale: number
}

type Props = {
    votes: number,
    onVote?: (amount: number, config: Partial<{
        onSetteled: () => void;
        onError: () => void;
        onSuccess: () => void;
    }>) => void,
    fillType?: 'leftRight' | 'upDown' | "background" | 'radial',
    direction?: 'horizontal' | 'vertical'
    disableCounter?: boolean
    disableShake?: boolean
    hideVotesCoun?: boolean
    dense?: boolean
    size?: 'sm' | 'md'
    resetCounterOnRelease?: boolean
} & Omit<ComponentProps<typeof Button>, 'children'>


const btnPadding: UnionToObjectKeys<Props, 'direction', any> = {
    horizontal: {
        sm: '',
        md: '',
    } as UnionToObjectKeys<Props, 'size'>,
    vertical: {
        sm: 'p-8',
        md: '',
    } as UnionToObjectKeys<Props, 'size'>
}

type BtnState = 'ready' | 'voting' | 'loading' | "success" | "fail";

export default function VoteButton({
    votes,
    onVote = () => { },
    fillType = 'leftRight',
    direction = 'horizontal',
    disableCounter = false,
    disableShake = true,
    hideVotesCoun = false,
    dense = false,
    resetCounterOnRelease = true,
    ...props }: Props) {
    const [voteCnt, setVoteCnt] = useState(0)
    const voteCntRef = useRef(0);
    const btnContainerRef = useRef<HTMLDivElement>(null!!)
    const [btnShakeClass, setBtnShakeClass] = useState('')
    const [sparks, setSparks] = useState<Particle[]>([]);
    const [incrementsCount, setIncrementsCount] = useState(0);
    const totalIncrementsCountRef = useRef(0)
    const currentIncrementsCountRef = useRef(0);
    const [increments, setIncrements] = useState<Array<{ id: string, value: number }>>([]);
    const [btnPosition, setBtnPosition] = useState<{ top: number, left: number, width: number, height: number }>();
    const [btnState, setBtnState] = useState<BtnState>('ready');


    const doVote = useDebouncedCallback(() => {
        setBtnState('loading');
        const amount = voteCntRef.current;
        onVote(amount, {
            onSuccess: () => {
                setBtnState("success");
                spawnSparks(10);
            },
            onError: () => setBtnState('fail'),
            onSetteled: () => {
                setVoteCnt(v => v - amount);
                setTimeout(() => {
                    setBtnState("ready")
                    if (resetCounterOnRelease) {
                        setIncrementsCount(0);
                        totalIncrementsCountRef.current = 0;
                        currentIncrementsCountRef.current = 0;
                    }
                    voteCntRef.current = 0;
                }, 2000);
            }
        });

    }, [], 1500);

    const spawnSparks = (cnt = 5) => {
        const newSparks = Array(cnt).fill(0).map((_, idx) => ({
            id: (Math.random() + 1).toString(),
            offsetX: random(-10, 99),
            offsetY: random(10, 90),
            animation: randomItem(styles.fly_spark_1, styles.fly_spark_1),
            animationSpeed: randomItem(1, 1.5, 2),
            color: `hsl(0deg 86% ${random(50, 63)}%)`,
            scale: random(1, 1.5)
        }))

        // if on mobile screen, reduce number of sparks particles to 60%
        setSparks(oldSparks => [...oldSparks, ...newSparks])
        setTimeout(() => {
            setSparks(s => {
                return s.filter(spark => !newSparks.some(newSpark => newSpark.id === spark.id))
            })

        }, 2 * 1000)
    }

    const clickIncrement = () => {
        if (!disableShake)
            setBtnShakeClass(s => s === styles.clicked_2 ? styles.clicked_1 : styles.clicked_2)


        const _incStep = Math.ceil((currentIncrementsCountRef.current + 1) / 5);

        currentIncrementsCountRef.current += 1;
        totalIncrementsCountRef.current += 1;

        setIncrementsCount(v => totalIncrementsCountRef.current);

        if (!disableCounter)
            setIncrements(v => {
                const genId = Math.random().toString();
                setTimeout(() => {
                    setIncrements(v => v.filter(e => e.id !== genId))
                }, 500)
                return [...v, { id: genId, value: _incStep }]
            });

        setVoteCnt(s => {
            const newValue = s + _incStep;
            voteCntRef.current = newValue;
            return newValue;
        })

        // Each time the button make 5 increments, spawn some flames
        if (totalIncrementsCountRef.current && totalIncrementsCountRef.current % 5 === 0)
            spawnSparks(5);


        doVote();
    }

    const onHold = useThrottledCallback(clickIncrement, [], 150)

    const { onPressDown, onPressUp } = usePressHolder(onHold, 200);

    const handlePressDown = () => {
        if (btnState !== 'ready' && btnState !== 'voting') return;

        setBtnState('voting');
        onPressDown();
    }

    const handlePressUp = (event?: SyntheticEvent) => {
        if (btnState !== 'voting') return;

        if (event?.preventDefault) event.preventDefault();

        onPressUp();
        onHold();
    }

    useMountEffect(() => {
        const bodyRect = document.body.getBoundingClientRect();
        const btnRect = btnContainerRef.current.getBoundingClientRect()
        setBtnPosition({
            top: btnRect.top - bodyRect.top,
            left: btnRect.left - bodyRect.left,
            width: btnRect.width,
            height: btnRect.height
        });

    })

    useResizeListener(() => {
        const bodyRect = document.body.getBoundingClientRect();
        const btnRect = btnContainerRef.current.getBoundingClientRect()
        setBtnPosition({
            top: btnRect.top - bodyRect.top,
            left: btnRect.left - bodyRect.left,
            width: btnRect.width,
            height: btnRect.height
        });
    }, { debounce: 300 })

    return (
        <button
            onMouseDown={handlePressDown}
            onMouseUp={handlePressUp}
            onMouseLeave={() => onPressUp()}
            onTouchStart={handlePressDown}
            onTouchEnd={handlePressUp}

            className={`${styles.vote_button} relative  noselect border-0`}
            style={{
                "--increments": incrementsCount,
                "--offset": `${(incrementsCount ? (incrementsCount % 5 === 0 ? 5 : incrementsCount % 5) : 0) * 20}%`,
                "--bg-color": fillType !== 'background' ?
                    'hsl(0deg 86% max(calc((93 - var(--increments) / 3) * 1%), 68%))'
                    :
                    "hsl(0deg 86% max(calc((100 - var(--increments) / 2) * 1%), 68%))",
            } as any}
            {...props}
        >

            <div
                ref={btnContainerRef}
                className={`
                ${styles.btn_content} 
                relative rounded-lg text-gray-600 ${!incrementsCount && 'bg-gray-50 hover:bg-gray-100'} 
                 ${direction === 'vertical' ?
                        dense ? "py-4 px-12" : "py-8 px-20"
                        :
                        dense ? "py-4 px-8" : "p-8 min-w-[80px]"}
                ${voteCntRef.current > 0 && "outline"} active:outline outline-1 outline-red-500 
                ${btnShakeClass} 
                `}

            >
                <div
                    className={`
                ${styles.color_overlay}
                ${fillType === 'upDown' && styles.color_overlay__upDown}
                ${fillType === 'leftRight' && styles.color_overlay__leftRight}
                ${fillType === 'background' && styles.color_overlay__background}
                ${fillType === 'radial' && styles.color_overlay__radial}
                `}
                >
                    <div></div>
                </div>
                <div className={`
                relative z-10 
                ${incrementsCount ? "text-red-800" : "text-gray-500"}
                flex justify-center items-center gap-8 text-center ${direction === 'vertical' && "flex-col !text-center"}
                `}>
                    <MdLocalFireDepartment
                        className={`text-body2 ${incrementsCount ? "text-red-600" : "text-gray-400"}`}

                    />{!hideVotesCoun && <span className="align-middle w-[4ch]"> {numberFormatter(votes + voteCnt)}</span>}
                </div>
                <AnimatePresence>
                    {(btnState === 'loading' || btnState === 'fail') &&
                        <motion.div
                            initial={{ opacity: 0 }}
                            animate={{ opacity: 1 }}
                            exit={{ opacity: 0 }}
                            className={styles.loading}>
                            <ThreeDots width={20} color="#dc2626" />
                        </motion.div>
                    }
                    {btnState === 'success' &&
                        <motion.div
                            initial={{ opacity: 0 }}
                            animate={{ opacity: 1 }}
                            exit={{ opacity: 0 }}
                            className={styles.success}>
                            +{numberFormatter(voteCntRef.current)}
                        </motion.div>
                    }
                </AnimatePresence>
            </div>

            <Portal id='effects-container'>
                <div
                    className='absolute pointer-events-none'
                    style={btnPosition && {
                        position: 'absolute',
                        top: btnPosition.top,
                        left: btnPosition.left,
                        width: btnPosition.width,
                        height: btnPosition.height,
                        pointerEvents: 'none'
                    }}
                >

                    {increments.map(increment => <span
                        key={increment.id}
                        className={styles.vote_counter}
                    >+{increment.value}</span>)}
                    {sparks.map(spark =>
                        <div
                            key={spark.id}
                            className={styles.spark}
                            style={{
                                "--offsetX": spark.offsetX,
                                "--offsetY": spark.offsetY,
                                "--animationSpeed": spark.animationSpeed,
                                "--scale": spark.scale,
                                "animationName": spark.animation,
                                "color": spark.color
                            } as any}
                        ><MdLocalFireDepartment className='' /></div>)
                    }
                </div>
            </Portal>
            <div
                className={styles.spark}

            ><MdLocalFireDepartment className='' /></div>
        </button>

    )
}