import React from 'react'
import { Container, Row, Card, Table, Button } from 'react-bootstrap';
import { Doughnut } from 'react-chartjs-2'

function ChartDoughnut() {
    const fontstyl = {
        fontSize: '0.5em',
        margin: 'auto',
        padding: '1em',
        display: 'flex',
        justifyContent: 'center',
        width: '100%',
        borderWidth: '2px',
        borderColor: 'rgba(195, 195, 195, 0.753)',
        color: 'rgb(110, 189, 142)'
    }
    const btnstyled = {
        background: 'rgb(110, 189, 142)',
        margin: '1px',
        maxWidth: '100%',
        borderWidth: '2px',
        fontSize: '10px',
        borderColor: 'rgba(195, 195, 195, 0.753)',
        borderRadius: '20px',
    }

    const options = {
        legend: {
            display: true, // label 보이기 여부
        },
        scales: {
            yAxes: [{
                ticks: {
                    min: 0, // y축 스케일에 대한 최소값 설정
                    stepSize: 1, // y축 그리드 한 칸당 수치
                }
            }]
        },

        // false : 사용자 정의 크기에 따라 그래프 크기가 결정됨.
        // true : 크기가 알아서 결정됨.
        maintainAspectRatio: false
    }
    const data = {
        labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
        datasets: [
          {
            label: '온도',
            fill: false,
            lineTension: 0.1,
            backgroundColor: 'rgba(75,192,192,0.4)',
            borderColor: 'rgba(75,192,192,1)',
            borderCapStyle: 'butt',
            borderDash: [2,10], //점선
            borderDashOffset: 0.0,
            borderJoinStyle: 'miter',
            pointBorderColor: 'rgba(75,192,192,1)',
            pointBackgroundColor: '#fff',
            pointBorderWidth: 1,
            pointHoverRadius: 5,
            pointHoverBackgroundColor: 'rgba(75,192,192,1)',
            pointHoverBorderColor: 'rgba(220,220,220,1)',
            pointHoverBorderWidth: 2,
            pointRadius: 1,
            pointHitRadius: 10,
            data: [-10, -2, 13, 18, 22, 25, 31, 28, 25, 18, 6, -8]
          }
        ]
      };

    return (

        <>
            <Row className='text-center w-100 my-2'>
                <Card style={fontstyl}>
                    <Doughnut
                        data={data}
                        options={options}
                        height={300}
                    />
                </Card>
            </Row>
        </>
    )
}

export default ChartDoughnut;