export default function(db: Connection): Model<Document> {
	mongooseAutoIncrement.initialize(db);

	const schema = new Schema({
		createdAt: { type: Date, required: true, default: Date.now },
		cursor: { type: Number },
		followee: { type: Schema.Types.ObjectId, required: true, ref: 'User' },
		follower: { type: Schema.Types.ObjectId, required: true, ref: 'User' }
	});

	// Auto increment
	schema.plugin(mongooseAutoIncrement.plugin, {
		model: 'UserFollowing',
		field: 'cursor'
	});

	return db.model('UserFollowing', schema, 'UserFollowings');
}

/// <reference path="../mongoose/mongoose.d.ts" />
/// <reference path="./mongoose-auto-increment.d.ts" />

import * as autoIncrement from 'mongoose-auto-increment';
import * as mongoose from 'mongoose';
import { Schema } from 'mongoose';

var connection = mongoose.createConnection("mongodb://localhost/myDatabase");

autoIncrement.initialize(connection);

var bookSchema = new Schema({
    author: { type: Schema.Types.ObjectId, ref: 'Author' },
    title: String,
    genre: String,
    publishDate: Date
});

bookSchema.plugin(autoIncrement.plugin, 'Book');
var Book = connection.model('Book', bookSchema);

import {DatabaseObject} from '../type/model.d.ts'

import * as mongoose from 'mongoose'
import * as autoIncr from 'mongoose-auto-increment'

import {getDatabaseConfig} from '../config'
import {getLogger} from '../lib/logger'

// mongoose promise change
// tslint:disable
mongoose.Promise = require('bluebird')
// tslint:enable

// mongoose plugins initialization
autoIncr.initialize(mongoose.connection) // auto increment

// models
import {AlertModel} from './alert'
import {AttachmentModel} from './attachment'
import {DeliveryModel} from './delivery'
import {PlaceModel} from './place'
import {ProductModel} from './product'
import {UserModel} from './user'
import {OrderModel} from './order'
import {StockModel} from './stock'

export async function initDatabase (): Promise<DatabaseObject> {
  try {
    let mode: string
    mode = process.env.NODE_ENV || 'development'

import * as mongoose      from 'mongoose';
import * as autoIncrement from 'mongoose-auto-increment';

mongoose.connect(`mongodb://${global.$g.config.database.connection}`);

let
db = mongoose.connection;
autoIncrement.initialize(db);

db.on('error', function(err){
    console.log(`Connect to mongodb error: ${err}`);
});

db.once('open', function(){
    console.log(`Connect to mongodb successful.`);
});

export {
    db,
    autoIncrement
};