import React, { Component } from 'react';
import './index.less';
import Icon from '../Icon';

export default class extends Component {
  onChangePage(page) {
    const { total, pageSize, onChange } = this.props;
    const all = Math.ceil(total / pageSize);
    if (page <= 0 || page > all) return;
    if (onChange) onChange(page);
  }

  render() {
    const { current, total, pageSize } = this.props;
    return (
      <div className="user-pagination">
        <Icon name="arrow-left-small" onClick={() => this.onChangePage(current - 1)} />
        <span>
          <b>{current}</b>/{Math.ceil(total / pageSize)}
        </span>
        <Icon name="arrow-right-small" onClick={() => this.onChangePage(current + 1)} />
      </div>
    );
  }
}