import React from 'react';

import { AddButton } from '../buttons';
import InputField from './InputField';

type Props = {
  addEntry: (p: string) => void;
  disabled: boolean;
  buttonLabel: string;
  fieldLabel: string;
  errorMessage: string;
  helpText?: string;
  validateEntry?: (p: string) => boolean;
};

type State = {
  entryToAdd: string;
};

class AddEntryToTableField extends React.Component<Props, State> {
  constructor(props: Props) {
    super(props);
    this.state = {
      entryToAdd: '',
    };
  }

  isValid = () => {
    const { validateEntry } = this.props;
    if (
      !this.state.entryToAdd ||
      this.state.entryToAdd === '' ||
      !validateEntry
    ) {
      return true;
    } else {
      return validateEntry(this.state.entryToAdd);
    }
  };

  render() {
    const {
      disabled,
      buttonLabel,
      fieldLabel,
      errorMessage,
      helpText,
    } = this.props;
    return (
      <div className="field">
        <InputField
          label={fieldLabel}
          errorMessage={errorMessage}
          onChange={this.handleAddEntryChange}
          validationError={!this.isValid()}
          value={this.state.entryToAdd}
          onReturnPressed={this.appendEntry}
          disabled={disabled}
          helpText={helpText}
        />
        <AddButton
          label={buttonLabel}
          action={this.addButtonClicked}
          disabled={disabled || this.state.entryToAdd === '' || !this.isValid()}
        />
      </div>
    );
  }

  addButtonClicked = (event: Event) => {
    event.preventDefault();
    this.appendEntry();
  };

  appendEntry = () => {
    const { entryToAdd } = this.state;
    this.props.addEntry(entryToAdd);
    this.setState({
      ...this.state,
      entryToAdd: '',
    });
  };

  handleAddEntryChange = (entryname: string) => {
    this.setState({
      ...this.state,
      entryToAdd: entryname,
    });
  };
}

export default AddEntryToTableField;