HW-react-jsx/src/App.js

import logo from './logo.svg';
import './App.scss';
import { useState, useEffect, useRef } from "react";

const Spoiler = ({ header = "+", open, children }) => {

    const [openMode, setOpenMode] = useState(open)
    return (
        <div onClick={() => setOpenMode(!openMode)}>
            {header}
            {openMode && children}
        </div>
    )
}

const RangeInput = ({ min, max }) => {

    const [state, setState] = useState('')
    const colorBorder = state.length <= min || state.length >= max ? 'red' : ''

    return <input style={{ backgroundColor: colorBorder }}
        onChange={(e) => { setState(e.target.value) }} />
}


const PasswordConfirm = ({ min }) => {

    const [checked, setChecked] = useState(false)
    const [stateInputOne, setStateInputOne] = useState('')
    const [stateInputTwo, setStateInputTwo] = useState('')
    const reg = /(?=^.{8,}$)((?=.*\d)|(?=.*\W+))(?![.\n])(?=.*[A-Z])(?=.*[a-z]).*$/
    const disabledBtn = stateInputOne === stateInputTwo && reg.test(stateInputOne) ? false : true
    return (
        <div>
            <input style={{ borderColor: stateInputOne.length <= min ? 'red' : 'black' }}
                type={checked ? 'password' : 'text'}
                onChange={(e) => { setStateInputOne(e.target.value) }} />

            <input style={{ borderColor: stateInputTwo.length <= min ? 'red' : 'black' }}
                type={checked ? 'password' : 'text'}
                onChange={(e) => { setStateInputTwo(e.target.value) }} />
            <input type='checkbox'
                checked={checked}
                onChange={(e) => setChecked(e.target.checked)}
            />
            <button disabled={disabledBtn} >Я кнопка</button>
        </div>
    )
}

const Timer = ({ ms = 5 }) => {

    const [counter, setCounter] = useState(ms)
    let [pause, setPause] = useState(false)
    let timeCounter

    useEffect(() => {
        if (counter <= 0) setPause(true)
        if (!pause) {
            timeCounter = setInterval(() => {
                setCounter(counter => counter - 1)
            }, 1000);
        }
        return () => {
            clearInterval(timeCounter)
        }
    }, [pause, counter])

    let hours = Math.floor(counter / 3600)
    let minuts = Math.floor(counter % 3600 / 60)
    let second = counter % 60

    return (
        <div>
            <span>{hours}</span> : <span>{minuts}</span> : <span>{second} </span>
            <button onClick={() => { setPause(!pause) }}>{pause ? 'start' : 'stop'}</button>
        </div>
    )
}

const TimerControl = () => {
    const [hourse, setHours] = useState(0)
    const [minuts, setMinuts] = useState(0)
    const [seconds, setSeconds] = useState(0)
    const [open, setOpen] = useState(false)

    let ms = hourse * 3600 + minuts * 60 + seconds

    return (
        <div>
            <label>Hours :
                <input
                    min='0'
                    type='number'
                    onChange={e => setHours(+e.currentTarget.value)} />
            </label><br />

            <label>Minuts :
                <input
                    min='0'
                    type='number'
                    onChange={e => setMinuts(+e.currentTarget.value)} />
            </label><br />

            <label>Seconds:
                <input
                    min='0'
                    type='number'
                    onChange={e => setSeconds(+e.currentTarget.value)} />
            </label>

            <button onClick={() => setOpen(!open)}>{!open ? 'start' : 'stop'}</button>
            {open && <Timer ms={ms} />}
        </div>
    )
}

const TimerContainer = ({ seconds, refresh, render: T }) => {
    const t0 = performance.now()
    const [time, setTime] = useState(seconds)
    useEffect(() => {
        const timerID = setInterval(() => {
            let t1 = performance.now()
            if (seconds >= (t1 - t0) / 1000) {
                setTime(seconds - (t1 - t0) / 1000)
            } else {
                setTime(0)
                clearInterval(timerID)
            }
        }, refresh);
        return () => {
            setTime(seconds)
            clearInterval(timerID)
        }
    }, [])
    return (
        <T seconds={time} />
    )
}
const SecondsTimer = ({ seconds }) => <h2>{seconds.toFixed(1)}</h2>


const TimerLCD = ({ time = 5 }) => {
    let hours = Math.floor(time / 3600)
    let minuts = Math.floor(time % 3600 / 60)
    let seconds = time % 60
    return (
        <div>
            <span>{hours < 10 ? `0${hours}` : hours}</span> : <span>{minuts < 10 ? `0${minuts}` : minuts}</span> : <span>{seconds < 10 ? `0${seconds.toFixed(0)}` : seconds.toFixed(0)} </span>
        </div>
    )
}

const TimerControlLCD = ({ ms, render: T }) => {
    const [open, setOpen] = useState(true)
    const t0 = performance.now()
    const [time, setTime] = useState(ms)
    useEffect(() => {
        if (open) {
            const timerID = setInterval(() => {
                let t1 = performance.now()
                if (ms >= (t1 - t0) / 1000) {
                    setTime(ms - (t1 - t0) / 1000)
                } else {
                    setTime(0)
                    clearInterval(timerID)
                }
            }, 1000);
            return () => {
                setTime(ms)
                clearInterval(timerID)
            }
        }
    }, [open])

    return (
        <div>
            <button onClick={() => setOpen(!open)}>{open ? 'start' : 'stop'}</button>
            {open && <T time={time} />}
        </div>
    )
}

const Watch = ({ time }) => {

    let hours = (time / 3600 * 30)
    let seconds = (time * 6).toFixed(0)
    let minuts = (time % 3600 / 60) * 6

    return (
        <>
            <strong>
                <TimerLCD time={time} />
            </strong>
            <div className='Watch'>
                <img className='clock' src='./ClockFace.png' />
                <img className='hour' style={{ transform: `rotate(${hours}deg)` }} src='./hour.png' />
                <img className='minuts' style={{ transform: `rotate(${minuts}deg)` }} src='./minut.png' />
                <img className='seconds' style={{ transform: `rotate(${seconds}deg)` }} src='./second.png' />
            </div>
        </>
    )
}

///////////////////////////////////////////////////////////////////////////


const TimerC = () => {
    const [hourse, setHours] = useState(0)
    const [minuts, setMinuts] = useState(0)
    const [seconds, setSeconds] = useState(0)
    const [open, setOpen] = useState(false)

    let ms = hourse * 3600 + minuts * 60 + seconds

    return (
        <div>
            <label>Hours :
                <input
                    min='0'
                    type='number'
                    onChange={e => setHours(+e.currentTarget.value)} />
            </label><br />

            <label>Minuts :
                <input
                    min='0'
                    type='number'
                    onChange={e => setMinuts(+e.currentTarget.value)} />
            </label><br />

            <label>Seconds:
                <input
                    min='0'
                    type='number'
                    onChange={e => setSeconds(+e.currentTarget.value)} />
            </label>

            <button onClick={() => setOpen(!open)}>{!open ? 'start' : 'stop'}</button>
            {open && <TimerCont seconds={ms} />}
        </div>
    )
}

const SecondsTimer = ({ seconds }) => <h2>{seconds.toFixed(1)}</h2>

const TimerCont = ({ seconds, refresh }) => {
    const t0 = performance.now()
    const [time, setTime] = useState(seconds)
    useEffect(() => {
        const timerID = setInterval(() => {
            let t1 = performance.now()
            if (seconds >= (t1 - t0) / 1000) {
                setTime(seconds - (t1 - t0) / 1000)
            } else {
                setTime(0)
                clearInterval(timerID)
            }
        }, refresh);
        return () => {
            setTime(seconds)
            clearInterval(timerID)
        }
    }, [])
    return (
        <SecondsTimer seconds={time} />
    )
}




function App() {
    return (
        <div className="App">
            <Spoiler header={<h1>Заголовок</h1>} open>
                Контент 1
                <p>
                    лорем ипсум траливали и тп.
                </p>
            </Spoiler>

            <Spoiler>
                <h2>Контент 2</h2>
                <p>
                    лорем ипсум траливали и тп.
                </p>
            </Spoiler>
            <RangeInput min={2} max={10} />
            <hr />
            <PasswordConfirm min={2} />
            <hr />
            <strong>Timer :</strong>
            <Timer ms={4000} />
            <hr />
            <strong>TimerControl :</strong>
            <TimerControl />
            <hr />
            <strong>TimerContainer :</strong>
            <TimerContainer seconds={1000} refresh={100} render={SecondsTimer} />
            <hr />
            <strong>LCD :</strong>
            <TimerControlLCD ms={5000} render={TimerLCD} />
            <hr />
            <strong>Watch :</strong>
            <TimerControlLCD ms={1560} render={Watch} />
            <hr />
            <strong>TimerControl + TimerContainer:</strong>
            <TimerC  />
        </div >
    );
}

export default App;