import React, { Component } from "react";
import classNames from "classnames/bind";
import blacklist from "blacklist";

import DatetimePicker from "./Picker.jsx";
import Shortcuts from "./panels/Shortcuts.jsx";
import {
  CONFIRM_BUTTON_TEXT,
  START_DATE_TEXT,
  END_DATE_TEXT
} from "./constants.js";

import classes from "./sass";

class Range extends Component {
  constructor(props) {
    super(props);
    this.state = {
      moment: props.moment
    };
  }

  componentWillReceiveProps(props) {
    this.setState({
      moment: props.moment
    });
  }

  handleChange = moment => {
    this.setState({
      moment
    });
  };

  handleShortcutChange = (moment, isCustom) => {
    const { onChange } = this.props;

    if (isCustom) {
      this.setState({
        moment
      });
    } else {
      onChange && onChange(moment);
    }
  };

  onConfirm = () => {
    const { moment } = this.state;
    const { onChange } = this.props;

    onChange && onChange(moment);
  };

  render() {
    const { moment } = this.state;
    const {
      format,
      showTimePicker = false,
      isOpen = true,
      shortcuts,
      confirmButtonText = CONFIRM_BUTTON_TEXT,
      startDateText = START_DATE_TEXT,
      endDateText = END_DATE_TEXT,
      isSolar
    } = this.props;
    const formatStyle =
      format ||
      (showTimePicker
        ? isSolar
          ? "jYYYY/jMM/jDD HH:mm"
          : "YYYY/MM/DD HH:mm"
        : isSolar
          ? "jYYYY/jMM/jDD"
          : "YYYY/MM/DD");
    const className = classNames(
      classes["datetime-range-picker"],
      this.props.className
    );
    const props = blacklist(
      this.props,
      "className",
      "isOpen",
      "format",
      "moment",
      "showTimePicker",
      "shortcuts",
      "onChange"
    );

    return (
      <div className={className} style={{ display: isOpen ? "block" : "none" }}>
        <div className="tools-bar">
          {shortcuts ? (
            <Shortcuts
              {...props}
              moment={moment || {}}
              range
              shortcuts={shortcuts}
              onChange={this.handleShortcutChange}
            />
          ) : (
            undefined
          )}
          <div className="buttons">
            <button
              type="button"
              className={classes["btn"]}
              onClick={this.onConfirm}
            >
              {confirmButtonText}
            </button>
          </div>
        </div>

        <div className="datetime-range-picker-panel">
          <table>
            <tbody>
              <tr>
                <td className="datetime-text">
                  <span className="text-label">{startDateText}</span>
                  <span className="text-value">
                    {moment && moment.start
                      ? moment.start.format(formatStyle)
                      : undefined}
                  </span>
                </td>
                <td className="datetime-text">
                  <span className="text-label">{endDateText}</span>
                  <span className="text-value">
                    {moment && moment.end
                      ? moment.end.format(formatStyle)
                      : undefined}
                  </span>
                </td>
              </tr>
              <tr>
                <td>
                  <DatetimePicker
                    {...props}
                    isOpen={isOpen}
                    className="range-start-picker"
                    showTimePicker={showTimePicker}
                    moment={moment}
                    range
                    rangeAt="start"
                    onChange={this.handleChange}
                  />
                </td>
                <td>
                  <DatetimePicker
                    {...props}
                    isOpen={isOpen}
                    className="range-end-picker"
                    showTimePicker={showTimePicker}
                    moment={moment}
                    range
                    rangeAt="end"
                    onChange={this.handleChange}
                  />
                </td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
    );
  }
}

export default Range;