// import {Parents } from '/imports/collections/parents/index'

import _                                  from 'lodash';
import { Meteor }                         from 'meteor/meteor';
import { Mongo }                          from 'meteor/mongo';
import { SimpleSchema }                   from 'meteor/aldeed:simple-schema';

import { Orgs }                           from '/imports/collections/orgs/index';
import { Users }                          from '/imports/collections/users/index';

class Teacher {
  constructor(doc) {
    _.assign(this, doc);
  };

  getUserIds() {
    return _.filter(_.map(this.users, 'userId'));
  };
};
export { Teacher };

class TeachersCollection extends Mongo.Collection {
  insert(item, callback) {
    _.assign(item, {
      createdAt:        new Date().getTime(),
    });
    return super.insert(item, callback);
  };
};

export const Teachers = new TeachersCollection('Teachers', {
  transform: (item) => {
    return new Teacher(item);
  },
});

_.assign(Teachers, {
  allStudents: () => {
    const user = Users.current();
    if(!user) return null;
    return Orgs.find({'users.userId': user._id});
  },
  current: () => {
    const user = Users.current();
    if(!user) return null;
    return Orgs.findOne({_id: user.orgId});
  },
  currentOrgUsers: () => {
    const OrgsArr = Orgs.current();
    if(!OrgsArr) return null;
    return OrgsArr.users;
  },

});

Teachers.deny({
  insert() { return true; },
  update() { return true; },
  remove() { return true; },
});


Teachers.schema = new SimpleSchema({
  userId:               { type: String },
  orgId:                { type: String },
  type:                 { type: String },
  gender:               { type: String, optional: true },
  services: {
    type: Object,
    optional: true,
    blackbox: true,
  },

  isMetaUser:           { type: Boolean, optional: true },

  createdAt:            { type: Date, autoValue: function(){return new Date();}}

});

Teachers.attachSchema(Teachers.schema);

Teachers.privateFields = {
  orgId:              1,
  address:            1,

  isMetaUser:         1,
  createdAt:          1,
};

Teachers.publicFields = {
  firstName:          1,
  lastName:           1,
  emails:             1,

  createdAt:          1,
};