import React, { createRef } from "react";
import Field from "./field";
import moment from "moment";

export default class DateRangeField extends Field {

  static jsClass = 'DateRangeField';
  static defaultProps = {
    ...Field.defaultProps,
    default: ['', '']
  };

  constructor(props) {
    super(props);
    this.inputEnd = createRef();
  }

  isInvalid(value) {
    let error = super.isInvalid(value);
    this.inputEnd.current?.setCustomValidity('');
    const isAfter = moment(value[0]).isAfter(value[1]);
    if (isAfter) this.inputEnd.current?.setCustomValidity(this.props.errorMessage);
    return (error || isAfter);
  }

  get type() {
    return 'date';
  }

  onChange({ target }) {
    const { name } = this.props;
    const { value } = this.state;
    const { value: newValue } = target;
    const i = target.name === name ? 0 : 1;
    value[i] = newValue;
    this.setState({
      value,
      error: this.isInvalid(value)
    }, () => { if (value.every(v => !!v)) this.returnData() });
  }

  get inputNode() {
    const { inline } = this.props;
    const { error } = this.state;
    const inputProps = this.inputProps;
    const cnMiddle = ['input-group-text bg-transparent p-0', this.props.controlClasses];
    if (error) cnMiddle.push('border-danger');
    const style = {
      ...inputProps.style,
      borderRight: 'none',
    }
    const style2 = {
      ...inputProps.style,
      borderLeft: 'none',
    }
    const inputNode = (<div className="input-group">
      <input {...inputProps} style={style} value={inputProps.value[0]} />
      <span className={cnMiddle.join(' ')} >-</span>
      <input {...inputProps} name={inputProps.name + '-end'} ref={this.inputEnd}
        id={inputProps.name + '-end'} style={style2} value={inputProps.value[1]} />
    </div>);
    return (inline ? <div className="col-auto">
      {inputNode}
    </div> : inputNode);
  }

}