'use strict';

import React from 'react';
import PropTypes from 'prop-types';
import { connect } from 'react-redux';
import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
import DatePicker from 'react-datepicker';
import 'react-datepicker/dist/react-datepicker.css';
import IconButton from 'soapbox/components/icon_button';
import { removeSchedule } from 'soapbox/actions/compose';

const messages = defineMessages({
  schedule: { id: 'schedule.post_time', defaultMessage: 'Post Date/Time' },
  remove: { id: 'schedule.remove', defaultMessage: 'Remove schedule' },
});

const mapStateToProps = (state, ownProps) => ({
  schedule: state.getIn(['compose', 'schedule']),
});

export default @connect(mapStateToProps)
@injectIntl
class ScheduleForm extends React.Component {

  static propTypes = {
    schedule: PropTypes.instanceOf(Date),
    intl: PropTypes.object.isRequired,
    onSchedule: PropTypes.func.isRequired,
    dispatch: PropTypes.func,
    active: PropTypes.bool,
  };

  setSchedule(date) {
    this.setState({ schedule: date });
    this.props.onSchedule(date);
  }

  openDatePicker(datePicker) {
    if (!datePicker) {
      return;
    }

    datePicker.setOpen(true);
  }

  componentDidMount() {
    this.setState({ schedule: this.props.schedule });
  }

  constructor(props) {
    super(props);

    this.setSchedule = this.setSchedule.bind(this);
  }

  isCurrentOrFutureDate(date) {
    return date && new Date().setHours(0, 0, 0, 0) <= new Date(date).setHours(0, 0, 0, 0);
  }

  isFiveMinutesFromNow(time) {
    const fiveMinutesFromNow = new Date(new Date().getTime() + 300000); // now, plus five minutes (Pleroma won't schedule posts )
    const selectedDate = new Date(time);

    return fiveMinutesFromNow.getTime() < selectedDate.getTime();
  };

  handleRemove = e => {
    this.props.dispatch(removeSchedule());
    e.preventDefault();
  }

  render() {
    if (!this.props.active || !this.state) {
      return null;
    }

    const { intl } = this.props;
    const { schedule } = this.state;

    return (
      <div className='datepicker'>
        <div className='datepicker__hint'>
          <FormattedMessage id='datepicker.hint' defaultMessage='Scheduled to post at…' />
        </div>
        <div className='datepicker__input'>
          <DatePicker
            selected={schedule}
            showTimeSelect
            dateFormat='MMMM d, yyyy h:mm aa'
            timeIntervals={15}
            wrapperClassName='react-datepicker-wrapper'
            onChange={this.setSchedule}
            placeholderText={this.props.intl.formatMessage(messages.schedule)}
            filterDate={this.isCurrentOrFutureDate}
            filterTime={this.isFiveMinutesFromNow}
            ref={this.isCurrentOrFutureDate(schedule) ? null : this.openDatePicker}
          />
          <div className='datepicker__cancel'>
            <IconButton size={20} title={intl.formatMessage(messages.remove)} icon='times' onClick={this.handleRemove} />
          </div>
        </div>
      </div>
    );
  }

}