// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
// See License.txt for license information.

var utils = require('../utils/utils.jsx');
var ConfigStore = require('../stores/config_store.jsx');
var Client = require('../utils/client.jsx');
var UserStore = require('../stores/user_store.jsx');
var ConfirmModal = require('./confirm_modal.jsx');

module.exports = React.createClass({
    componentDidMount: function() {
        var self = this;
        $('#invite_member').on('hide.bs.modal', function(e) {
            if ($('#invite_member').attr('data-confirm') === 'true') {
                $('#invite_member').attr('data-confirm', 'false');
                return;
            }

            var notEmpty = false;
            for (var i = 0; i < self.state.inviteIds.length; i++) {
                var index = self.state.inviteIds[i];
                if (self.refs['email' + index].getDOMNode().value.trim() !== '') {
                    notEmpty = true;
                    break;
                }
            }

            if (notEmpty) {
                $('#confirm_invite_modal').modal('show');
                e.preventDefault();
            }
        });

        $('#invite_member').on('hidden.bs.modal', function() {
            self.clearFields();
        });
    },
    handleSubmit: function(e) {
        if (!this.state.emailEnabled) {
            return;
        }

        var inviteIds = this.state.inviteIds;
        var count = inviteIds.length;
        var invites = [];
        var emailErrors = this.state.emailErrors;
        var firstNameErrors = this.state.firstNameErrors;
        var lastNameErrors = this.state.lastNameErrors;
        var valid = true;

        for (var i = 0; i < count; i++) {
            var index = inviteIds[i];
            var invite = {};
            invite.email = this.refs['email' + index].getDOMNode().value.trim();
            if (!invite.email || !utils.isEmail(invite.email)) {
                emailErrors[index] = 'Please enter a valid email address';
                valid = false;
            } else {
                emailErrors[index] = '';
            }

            if (config.AllowInviteNames) {
                invite.firstName = this.refs['first_name' + index].getDOMNode().value.trim();
                if (!invite.firstName && config.RequireInviteNames) {
                    firstNameErrors[index] = 'This is a required field';
                    valid = false;
                } else {
                    firstNameErrors[index] = '';
                }

                invite.lastName = this.refs['last_name' + index].getDOMNode().value.trim();
                if (!invite.lastName && config.RequireInviteNames) {
                    lastNameErrors[index] = 'This is a required field';
                    valid = false;
                } else {
                    lastNameErrors[index] = '';
                }
            }

            invites.push(invite);
        }

        this.setState({emailErrors: emailErrors, firstNameErrors: firstNameErrors, lastNameErrors: lastNameErrors});

        if (!valid || invites.length === 0) {
            return;
        }

        var data = {};
        data.invites = invites;

        Client.inviteMembers(data,
            function() {
                $(this.refs.modal.getDOMNode()).attr('data-confirm', 'true');
                $(this.refs.modal.getDOMNode()).modal('hide');
            }.bind(this),
            function(err) {
                if (err.message === 'This person is already on your team') {
                    emailErrors[err.detailed_error] = err.message;
                    this.setState({emailErrors: emailErrors});
                } else {
                    this.setState({serverError: err.message});
                }
            }.bind(this)
        );
    },
    componentDidUpdate: function() {
        $(this.refs.modalBody.getDOMNode()).css('max-height', $(window).height() - 200);
        $(this.refs.modalBody.getDOMNode()).css('overflow-y', 'scroll');
    },
    addInviteFields: function() {
        var count = this.state.idCount + 1;
        var inviteIds = this.state.inviteIds;
        inviteIds.push(count);
        this.setState({inviteIds: inviteIds, idCount: count});
    },
    clearFields: function() {
        var inviteIds = this.state.inviteIds;

        for (var i = 0; i < inviteIds.length; i++) {
            var index = inviteIds[i];
            this.refs['email' + index].getDOMNode().value = '';
            if (config.AllowInviteNames) {
                this.refs['first_name' + index].getDOMNode().value = '';
                this.refs['last_name' + index].getDOMNode().value = '';
            }
        }

        this.setState({
            inviteIds: [0],
            idCount: 0,
            emailErrors: {},
            firstNameErrors: {},
            lastNameErrors: {}
        });
    },
    removeInviteFields: function(index) {
        var count = this.state.idCount;
        var inviteIds = this.state.inviteIds;
        var i = inviteIds.indexOf(index);
        if (i > -1) {
            inviteIds.splice(i, 1);
        }
        if (!inviteIds.length) {
            inviteIds.push(++count);
        }
        this.setState({inviteIds: inviteIds, idCount: count});
    },
    getInitialState: function() {
        return {
            inviteIds: [0],
            idCount: 0,
            emailErrors: {},
            firstNameErrors: {},
            lastNameErrors: {},
            emailEnabled: !ConfigStore.getSettingAsBoolean('ByPassEmail', false)
        };
    },
    render: function() {
        var currentUser = UserStore.getCurrentUser();

        var inputDisabled = '';
        if (!this.state.emailEnabled) {
            inputDisabled = 'disabled';
        }

        if (currentUser != null) {
            var inviteSections = [];
            var inviteIds = this.state.inviteIds;
            for (var i = 0; i < inviteIds.length; i++) {
                var index = inviteIds[i];
                var emailError = null;
                if (this.state.emailErrors[index]) {
                    emailError = <label className='control-label'>{this.state.emailErrors[index]}</label>;
                }
                var firstNameError = null;
                if (this.state.firstNameErrors[index]) {
                    firstNameError = <label className='control-label'>{this.state.firstNameErrors[index]}</label>;
                }
                var lastNameError = null;
                if (this.state.lastNameErrors[index]) {
                    lastNameError = <label className='control-label'>{this.state.lastNameErrors[index]}</label>;
                }

                var removeButton = null;
                if (index) {
                    removeButton = (<div>
                                        <button type='button' className='btn btn-link remove__member' onClick={this.removeInviteFields.bind(this, index)}><span className='fa fa-trash'></span></button>
                                    </div>);
                }
                var emailClass = 'form-group invite';
                if (emailError) {
                    emailClass += ' has-error';
                }

                var nameFields = null;
                if (config.AllowInviteNames) {
                    var firstNameClass = 'form-group';
                    if (firstNameError) {
                        firstNameClass += ' has-error';
                    }
                    var lastNameClass = 'form-group';
                    if (lastNameError) {
                        lastNameClass += ' has-error';
                    }
                    nameFields = (<div className='row--invite'>
                                    <div className='col-sm-6'>
                                        <div className={firstNameClass}>
                                            <input type='text' className='form-control' ref={'first_name' + index} placeholder='First name' maxLength='64' disabled={!this.state.emailEnabled}/>
                                            {firstNameError}
                                        </div>
                                    </div>
                                    <div className='col-sm-6'>
                                        <div className={lastNameClass}>
                                            <input type='text' className='form-control' ref={'last_name' + index} placeholder='Last name' maxLength='64' disabled={!this.state.emailEnabled}/>
                                            {lastNameError}
                                        </div>
                                    </div>
                                </div>);
                }

                inviteSections[index] = (
                    <div key={'key' + index}>
                    {removeButton}
                    <div className={emailClass}>
                        <input onKeyUp={this.displayNameKeyUp} type='text' ref={'email' + index} className='form-control' placeholder='email@domain.com' maxLength='64' disabled={!this.state.emailEnabled}/>
                        {emailError}
                    </div>
                    {nameFields}
                    </div>
                );
            }

            var serverError = null;
            if (this.state.serverError) {
                serverError = <div className='form-group has-error'><label className='control-label'>{this.state.serverError}</label></div>;
            }

            var content = null;
            var sendButton = null;
            if (this.state.emailEnabled) {
                content = (
                    <div>
                        {serverError}
                        <button type='button' className='btn btn-default' onClick={this.addInviteFields}>Add another</button>
                        <br/>
                        <br/>
                        <span>People invited automatically join Town Square channel.</span>
                    </div>
                );

                sendButton = <button onClick={this.handleSubmit} type='button' className='btn btn-primary'>Send Invitations</button>
            } else {
                var teamInviteLink = null;
                if (currentUser && this.props.teamType === 'O') {
                    var linkUrl = utils.getWindowLocationOrigin() + '/signup_user_complete/?id=' + currentUser.team_id;
                    var link = <a href='#' data-toggle='modal' data-target='#get_link' data-title='Team Invite' data-value={linkUrl} onClick={
                        function() {
                            $('#invite_member').modal('hide');
                        }
                    }>Team Invite Link</a>;

                    teamInviteLink = (
                        <p>
                            You can also invite people using the {link}.
                        </p>
                    );
                }

                content = (
                    <div>
                        <p>Email is currently disabled for your team, and email invitations cannot be sent. Contact your system administrator to enable email and email invitations.</p>
                        {teamInviteLink}
                    </div>
                );
            }

            return (
                <div>
                    <div className='modal fade' ref='modal' id='invite_member' tabIndex='-1' role='dialog' aria-hidden='true'>
                       <div className='modal-dialog'>
                          <div className='modal-content'>
                            <div className='modal-header'>
                            <button type='button' className='close' data-dismiss='modal' aria-label='Close' data-reactid='.5.0.0.0.0'><span aria-hidden='true' data-reactid='.5.0.0.0.0.0'>×</span></button>
                              <h4 className='modal-title' id='myModalLabel'>Invite New Member</h4>
                            </div>
                            <div ref='modalBody' className='modal-body'>
                                <form role='form'>
                                    {inviteSections}
                                </form>
                                {content}
                            </div>
                            <div className='modal-footer'>
                              <button type='button' className='btn btn-default' data-dismiss='modal'>Cancel</button>
                              {sendButton}
                            </div>
                          </div>
                       </div>
                    </div>
                    <ConfirmModal
                        id='confirm_invite_modal'
                        parent_id='invite_member'
                        title='Discard Invitations?'
                        message='You have unsent invitations, are you sure you want to discard them?'
                        confirm_button='Yes, Discard'
                    />
                </div>
            );
        }
        return <div/>;
    }
});