import React, { Component } from 'react';

import { connect } from 'react-redux';

import { bindActionCreators } from 'redux';

import * as sessionsActions from '../actions/sessionsActions';

import * as authActions from '../actions/authActions';

import _ from 'lodash';

import { withNamespaces } from 'react-i18next';

class SessionForm extends Component {

  state = {

    createGroup: false,

    protocolOpen: false,

    titleEditMode: false,

    descriptionEditMode: false,

    enterKeyValue: false,

  }

  onChange = (e) => {

    const { name, value } = e.target;

    const changes = { [name]: value }

    this.onChangeThrottle(changes);

  }

  onChangeThrottle = _.debounce((changes) => {

    this.props.sessionsActions.updateSession(this.props.currentSession._id, changes);

  }, 750)

  onGroupChange = (e) => {

    const groupName = e.target.value;

    const group = this.props.groups.find((g) => g.name === groupName);

    this.props.sessionsActions.updateSession(this.props.currentSession, { group: groupName, protocol: group?group.protocol:'' });

  }

  componentDidMount() {

    document.addEventListener('mousedown', this.handleClickOutside);

  }

  componentWillUnmount() {

    document.removeEventListener('mousedown', this.handleClickOutside);

  }

  componentWillUpdate = (nextProps, nextState) => {

    if (nextState.createGroup && nextProps.createGroup.success) {

      this.setState({ createGroup: false })

    }

  }

  toggleProtocol = (e) => {

    e.preventDefault();

    this.setState({

      protocolOpen: !this.state.protocolOpen

    });

  }

  toggleOnTitleEditMode = () => {

    this.setState({

      titleEditMode: true,

    });

  }

  toggleOnDescriptionEditMode = () => {

    this.setState({

      descriptionEditMode: true,

    });

  }

  toggleOffTitleEditMode = () => {

    this.setState({

      titleEditMode: false,

    });

  }

  toggleOffDescriptionEditMode = () => {

    this.setState({

      descriptionEditMode: false,

    });

  }

  handleClickOutside = (e) => {

    if (this.title && !this.title.contains(e.target)) {

      this.toggleOffTitleEditMode()

    }

    if (this.desc && !this.desc.contains(e.target)) {

      this.toggleOffDescriptionEditMode()

    }

  }

  saveEdit = (e) => {

    // e.preventDefault();

    // if (e.key === 'Enter') {

    //   this.setState({enterKeyValue: true})

    // }

    // if (e.key !== 'Enter') {

    //   this.setState({enterKeyValue: false})

    // }

    if (e.key === 'Enter' && this.state.enterKeyValue === true) {

      e.preventDefault();

      this.setState({

        enterKeyValue: false,

        titleEditMode: false,

        descriptionEditMode: false,

      })

    }

  }

  titleEditMode = () => {

    const t = this.props.t;

    if (this.state.titleEditMode === false) {

      return (

      <div

        onClick={this.toggleOnTitleEditMode}

        className='session-page-title border-0 bg-irinotes-headers text-muted ml-3'

      >

        { this.props.currentSession.title || <span className='session-placeholder'>{ t('session_form.empty_title_placeholder') }</span> }

      </div>

    );

    }

    if (this.state.titleEditMode === true) {

    return (

    <div className="form-group pr-5">

      <textarea className='session-page-title form-control border-primary bg-secondary text-muted ml-3  session-placeholder'

        onKeyDown={ this.saveEdit }

        onChange={ this.onChange }

        type="textarea"

        name="title"

        defaultValue={ this.props.currentSession.title }

        placeholder={ t('session_form.empty_title_placeholder') }

        ref={title => this.title = title}

      ></textarea>

    </div>

    );

    }

  }

  descriptionEditMode = () => {

  const t = this.props.t;

  if (this.state.descriptionEditMode === false) {

    return (

    <div

      onClick={this.toggleOnDescriptionEditMode}

      className="session-page-description border-0 bg-irinotes-headers text-muted ml-3"

    >

      { this.props.currentSession.description || <span className='session-placeholder'>{ t('session_form.empty_description_placeholder') }</span> }

    </div>

  );

  }

  if (this.state.descriptionEditMode === true) {

  return (

    <div className="form-group mt-2 pb-2">

      <textarea className="session-page-description form-control border-primary bg-secondary text-muted ml-3 session-placeholder"

        onKeyDown={ this.saveEdit }

        onChange={ this.onChange }

        type="textarea"

        name="description"

        defaultValue={ this.props.currentSession.description }

        placeholder={ t('session_form.empty_description_placeholder') }

        ref={desc => this.desc = desc}

      ></textarea>

    </div>

  );

  }

}

  render() {

    if (!this.props.currentSession) {

      return (

        <form></form>

      )

    }

    return (

        <div className="session-page-panel panel-default sticky-top">

          <div className="session-page-card card-body bg-secondary pr-5">

            <form onSubmit={ e => { e.preventDefault() } }>

              {this.titleEditMode()}

              {this.descriptionEditMode()}

            </form>

          </div>

        </div>

    );

  }

}

function mapStateToProps(state, props) {

  let group;

  if (props.session && props.session.group) {

    group = state.groups.find(group => props.session.group === group.name)

  }

  return {

    currentSession: props.session,

    createGroup: state.createGroup,

    groups: state.groups,

    group

  };

}

function mapDispatchToProps(dispatch) {

  return {

    sessionsActions: bindActionCreators(sessionsActions, dispatch),

    authActions: bindActionCreators(authActions, dispatch),

  }

}

export default withNamespaces()(connect(mapStateToProps, mapDispatchToProps)(SessionForm));