var jsData        = require('js-data');
var MemoryAdapter = require('js-data-memory');
jsData.utils.Promise = require('bluebird');


var adapter = new MemoryAdapter();

var container = new jsData.Container({ mapperDefaults: { } });

container.registerAdapter('memory', adapter, { 'default': true });



var LangStringSchema = new jsData.Schema({
	type: 'object', 
	properties: {
		lang: { type: 'string' }, 
		value: { type: 'string' }
	}, 
	required: ['lang', 'value']
});


var FoodCategorySchema = new jsData.Schema({
	type: 'object', 
	properties: {
		names: {
			type: 'array', 
			items: LangStringSchema
		}, 
		parentID: { type: 'string' }, 
	}
});


container.defineMapper('food-categories', {
	schema: FoodCategorySchema, 
	relations: {
		belongsTo: {
			'food-categories': {
				foreignKey: 'parentID', 
				localField: 'parentCategory'
			}
		}, 
		hasMany: {
			'food-categories': {
				foreignKey: 'id', 
				localField: 'childrenCategories'
			}
		}
	}
});


var c1 = container.create('food-categories', { 
	names: [
		{ value: 'Carne', lang: 'pt' }, 
		{ value: 'Meat', lang: 'en' }
	]
});

c1.then(function(cat) {
	container.create('food-categories', {
		names: [
			{ value: 'Frango', lang: 'pt' }, 
			{ value: 'Chicken', lang: 'en' }, 
		], 
		parentID: cat['id']
	});

	container.create('food-categories', {
		names: [
			{ value: 'Vaca', lang: 'pt' }, 
			{ value: 'Cow', lang: 'en' }
		], 
		parentID: cat['id']
	});

	container.create('food-categories', {
		names: [
			{ value: 'Porco', lang: 'pt' }, 
			{ value: 'Pork', lang: 'en' }
		], 
		parentID: cat['id']
	});
});


setTimeout(function() {
	container.findAll('food-categories', {
		where: {
			'names.value': {
				'==': 'Cow'
			}, 
			'names.lang': {
				'==': 'en'
			}
		}
	}).then(function(cats) {
		console.log(cats);
	});
}, 200);