import React, { Component } from 'react';

import { connect } from 'react-redux';

import { bindActionCreators } from 'redux';

import '../App.css';

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

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

import _ from 'lodash';

import './SessionForm.css';

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, changes);

  }, 750)

  onGroupChange = (e) => {

    const groupName = e.target.value;

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

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

  }

  componentDidMount() {

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

  }

  componentWillUnmount() {

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

  }

  componentWillUpdate = (nextProps, nextState) => {

    if (nextState.createGroup && nextProps.createGroup.get('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) => {

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

      this.setState({enterKeyValue: true})

    }

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

      this.setState({enterKeyValue: false})

    }

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

      this.setState({

        enterKeyValue: false,

        titleEditMode: false,

        descriptionEditMode: false,

      })

    }

  }

  titleEditMode = () => {

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

      return (

      <div

        onClick={this.toggleOnTitleEditMode}

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

      >

        { this.props.currentSession.title || 'Espace titre' }

      </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'

        onKeyDown={ this.saveEdit }

        onChange={ this.onChange }

        type="textarea"

        name="title"

        defaultValue={ this.props.currentSession.title || 'Espace titre' }

        placeholder="Espace titre"

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

      >

      </textarea>

    </div>

    );

    }

  }

  descriptionEditMode = () => {

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

    return (

    <div

      onClick={this.toggleOnDescriptionEditMode}

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

    >

      { this.props.currentSession.description || 'Espace description' }

    </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"

      onKeyDown={ this.saveEdit }

      onChange={ this.onChange }

      type="textarea"

      name="description"

      defaultValue={ this.props.currentSession.description || 'Espace description' }

      placeholder="Espace description"

      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()}

              {/* <div className="form-group">

                <label className="col-form-label">Group</label>

                <p>{this.props.currentSession.group}</p>

              </div> */}

              {/* <div className="form-group">

                <label className="col-form-label" onClick={this.toggleProtocol}>Protocol {this.state.protocolOpen?<span className="material-icons protocol-toggle">&#xE313;</span>:<span className="material-icons protocol-toggle">&#xE315;</span>}</label>

                <div className={ "collapse" + (this.state.protocolOpen?'in':'')} >

                  <pre>{JSON.stringify(this.props.currentSession.protocol, null, 2)}</pre>

                </div>

              </div> */}

            </form>

          </div>

        </div>

    );

  }

}

function mapStateToProps(state, props) {

  let group;

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

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

  }

  return {

    currentSession: props.session,

    createGroup: state.get('createGroup'),

    groups: state.get('groups'),

    group

  };

}

function mapDispatchToProps(dispatch) {

  return {

    sessionsActions: bindActionCreators(sessionsActions, dispatch),

    authActions: bindActionCreators(authActions, dispatch),

  }

}

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