import React, { Component } from 'react';

import { connect } from 'react-redux';

import { bindActionCreators } from 'redux';

import Modal from 'react-modal';

import moment from 'moment';

import '../App.css';

import './SessionList.css';

import Navbar from './Navbar';

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

import { getActiveSessions } from '../selectors/coreSelectors';

import { getCurrentUser, getGroups, getCurrentGroup } from '../selectors/authSelectors';

class SessionList extends Component {

  state = {

      show: false,

      modalIsOpen: false,

      sessionToDelete: null,

    }

  componentWillMount() {

    Modal.setAppElement('body');

}

  doSomething(e){

    e.preventDefault();

    console.log(e.target.innerHTML);

  }

  openModal = () => {

    this.setState({modalIsOpen: true});

  }

  closeModal = () => {

    this.setState({modalIsOpen: false});

  }

  handleModalCloseRequest = () => {

    // opportunity to validate something and keep the modal open even if it

    // requested to be closed

    this.setState({modalIsOpen: false});

  }

  onClickDelete(session, e) {

    e.preventDefault();

    e.stopPropagation();

    this.setState({

      modalIsOpen: true,

      sessionToDelete: session

    })

  }

  showSessionsNumber = () => {

    if (this.props.sessions.size === 1)

    return (

     <span className="pb-5">{this.props.sessions.size} session</span>

    );

    return (

      <span className="pb-5">{this.props.sessions.size} sessions</span>

     )

  }

  emptyListMessage = () => {

      if (this.props.sessions.length === 0) {

      return (

       <h1 className="text-primary text-center mt-5 pt-5">vous n'avez créé aucune session pour le moment</h1>

      );

    }

  }

  deleteSession = () => {

    const { sessionToDelete } = this.state;

    this.props.sessionsActions.deleteSession(sessionToDelete._id);

    this.setState({

      modalIsOpen: false,

      sessionToDelete: null

    })

  }

  render() {

    return (

      <div>

        <Navbar history={this.props.history} group={this.props.currentGroup} />

        <div className="container-fluid">

          {this.showSessionsNumber()}

          {this.emptyListMessage()}

          </div>

          <div className="row mt-5 justify-content-start">

                {this.props.sessions.map((session) =>

                  <div className="session col-lg-3" key={session._id}>

                      <div className="col-md-auto w-100 m-2 p-2">

                        <a className="sessions" onClick={() => this.props.history.push('/sessions/' + session._id)}>

                          <span className="session-title text-primary">{session.title || 'Session sans titre'}<br /></span>

                          <span className="session-date text-muted">{moment(session.date).format('DD/MM/YYYY')}<br /></span>

                          <span className="session-description">{session.description}<br /></span>

                        </a>

                        <button type="button" id="delete" className="btn btn-link float-left" onClick={ this.onClickDelete.bind(this, session) }>

                          <span className="material-icons delete text-dark">delete</span>

                        </button>

                        <button type="button" className="btn btn-link float-left" onClick={() => this.props.history.push('/read-only/' + session._id)}>

                          <span className="material-icons delete text-dark">remove_red_eye</span>

                        </button>

                      </div>

                  </div>

                )}

            </div>

          </div>

        <Modal

        className="Modal__Bootstrap modal-dialog modal-dialog-centered w-25"

        // closeTimeoutMS={150}

        isOpen={this.state.modalIsOpen}

        onRequestClose={this.handleModalCloseRequest}

        >

          <div id="delete-session-modal" className="modal-content">

            <span id="delete-session-close-modal-button" className="material-icons text-right" onClick={ this.handleModalCloseRequest }>close</span>

            <div className="modal-body text-center">

            <span className="modal-text">Supprimer cette session ?</span>

            </div>

          </div>

        </Modal>

      </div>

    );

  }

}

function mapStateToProps(state, props) {

  return {

    sessions: getActiveSessions(state),

    currentUser: getCurrentUser(state),

    groups: getGroups(state),

    currentGroup: getCurrentGroup(state)

  };

}

function mapDispatchToProps(dispatch) {

  return {

    sessionsActions: bindActionCreators(sessionsActions, dispatch),

  }

}

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