import React from 'react';
import { Table, Avatar } from '@douyinfe/semi-ui';
import * as dateFns from 'date-fns';

export default function App() {
    const scroll = { y: 400, x: 900 };
    const style = { width: 750, margin: '0 auto' };
    const DAY = 24 * 60 * 60 * 1000;

    const columns = [
        {
            title: '标题',
            dataIndex: 'name',
            width: 200,
            fixed: true,
            render: (text, record, index) => {
                return (
                    <div>
                        {text}
                    </div>
                );
            },
            filters: [
                {
                    text: 'Semi Design 设计稿',
                    value: 'Semi Design 设计稿',
                },
                {
                    text: 'Semi Pro 设计稿',
                    value: 'Semi Pro 设计稿',
                },
            ],
            onFilter: (value, record) => record.name.includes(value),
        },
        {
            title: '大小',
            dataIndex: 'size',
            width: 150,
            sorter: (a, b) => a.size - b.size > 0 ? 1 : -1,
            render: (text) => `${text} KB`
        },
        {
            title: '所有者',
            dataIndex: 'owner',
            render: (text, record, index) => {
                return (
                    <div>
                        <Avatar size="small" color={record.avatarBg} style={{ marginRight: 4 }}>{typeof text === 'string' && text.slice(0, 1)}</Avatar>
                        {text}
                    </div>
                );
            }

        },
        {
            title: '更新日期',
            dataIndex: 'updateTime',
            fixed: 'right',
            width: 150,
            sorter: (a, b) => a.updateTime - b.updateTime > 0 ? 1 : -1,
            render: (value) => {
                return dateFns.format(new Date(value), 'yyyy-MM-dd');
            }
        }
    ];

    const getData = () => {
        const data = [];
        for (let i = 0; i < 1000; i++) {
            const isSemiDesign = i % 2 === 0;
            const randomNumber = (i * 1000) % 199;
            data.push({
                key: '' + i,
                name: isSemiDesign ? `Semi Design 设计稿${i}.fig` : `Semi Pro 设计稿${i}.fig`,
                owner: isSemiDesign ? '姜鹏志' : '郝宣',
                size: randomNumber,
                updateTime: new Date().valueOf() + randomNumber * DAY,
                avatarBg: isSemiDesign ? 'grey' : 'red'
            });
        }
        return data;
    };

    const data = getData();

    return (
        <>
            <Table
                pagination={false}
                columns={columns}
                dataSource={data}
                scroll={scroll}
                style={style}
                virtualized
                showHeader={false}
            />
        </>
    );
}