import * as moment from "moment";
import * as React from "react";
import { Form } from "semantic-ui-react";

import { TimeOfDay } from "@common/sprinklersRpc";
import TimeInput from "./TimeInput";

function timeToString(time: TimeOfDay) {
  return moment(time).format("LTS");
}

export default class ScheduleTimes extends React.Component<{
  times: TimeOfDay[];
  onChange: (newTimes: TimeOfDay[]) => void;
  editing: boolean;
}> {
  render() {
    const { times, editing } = this.props;
    let timesNode: React.ReactNode;
    if (editing) {
      timesNode = times.map((time, i) => (
        <TimeInput
          value={time}
          key={i}
          index={i}
          onChange={this.onTimeChange}
        />
      ));
    } else {
      timesNode = (
        <span>{times.map(time => timeToString(time)).join(", ")}</span>
      );
    }
    return (
      <Form.Field inline className="scheduleTimes">
        <label>At</label> {timesNode}
      </Form.Field>
    );
  }
  private onTimeChange = (newTime: TimeOfDay, index: number) => {
    const { times, onChange } = this.props;
    const newTimes = times.slice();
    newTimes[index] = newTime;
    onChange(newTimes);
  };
}