import React, { useState } from "react";
import PropTypes from "prop-types";
import FormFieldList from "../../.form/FormFieldList";
import OptionPreamble from "../OptionPreamble";

const PatternOptionList = props => {
  const [value, setValue] = useState(props.dflt);
  const [expanded, setExpanded] = useState(false);

  const update = (name, newValue, evt) => {
    props.updateValue(props.name, newValue);
    setValue(newValue);
  };

  const reset = () => {
    setValue(props.dflt);
    props.updateValue(props.name, props.dflt);
  };

  const toggleExpanded = () => setExpanded(!expanded);

  const styles = {
    container: {
      display: "flex",
      flexDirection: "row",
      alignItems: "center"
    },
    left: {
      flexGrow: 1,
      margin: "0 0.5rem"
    },
    right: { margin: "0 0.5rem" }
  };

  // Add translations
  let stringKey = `options.${props.pattern}.${props.name}.options.`;
  let list = {};
  for (let item of props.list)
    list[item] = props.intl.formatMessage({
      id: stringKey + item,
      defaultMessage: item
    });
  let option = (
    <FormFieldList
      name={props.name}
      value={value}
      dflt={props.dflt}
      onChange={update}
      label={"po-list-" + props.name}
      updateValue={update}
      list={list}
    />
  );
  return (
    <li>
      <OptionPreamble
        dflt={props.dflt}
        value={value}
        desc={props.desc}
        title={props.title}
        id={"po-list-" + props.name}
        displayValue={list[value]}
        reset={reset}
        toggleExpanded={toggleExpanded}
        expanded={expanded}
        showHelp={() =>
          props.raiseEvent("showHelp", {
            type: "patternOption",
            value: props.name
          })
        }
        option={option}
      />
    </li>
  );
};

PatternOptionList.propTypes = {
  updateValue: PropTypes.func.isRequired,
  name: PropTypes.string.isRequired,
  dflt: PropTypes.oneOfType([
    PropTypes.number.isRequired,
    PropTypes.string.isRequired
  ]),
  title: PropTypes.node.isRequired,
  desc: PropTypes.node.isRequired,
  list: PropTypes.array.isRequired
};

export default PatternOptionList;