/**
 * Copyright (c) 2012 Partners In Health.  All rights reserved.
 * The use and distribution terms for this software are covered by the
 * Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
 * which can be found in the file epl-v10.html at the root of this distribution.
 * By using this software in any fashion, you are agreeing to be bound by
 * the terms of this license.
 * You must not remove this notice, or any other, from this software.
 **/ 
package org.pih.warehouse.product

import grails.test.*
import groovy.sql.Sql
import org.junit.Ignore
import org.junit.Test

class ProductGroupIntegrationTests extends GroovyTestCase {
	
	def dataSource
	
	protected void setUp() {
		super.setUp()
		
		def category = new Category(name: "Medicines")
		category.save(flush:true)
		
		def product = new Product(name: "Ibuprofen, 200 mg, tablet", category: category)
		product.save(failOnError:true)
		
		def productGroup = new ProductGroup(name:"Ibuprofen", category: category)
		productGroup.save(flush:true)
		
		product.addToProductGroups(productGroup)
		product.save(flush:true,failOnError:true)
		
		def product2 = new Product(name: "Tylenol, 325 mg, tablet", category: category)
		product2.save(failOnError:true)
				
		def productGroup2 = new ProductGroup(name:"Tylenol", category: category)
		productGroup2.save(flush:true)

		productGroup2.addToProducts(product2)
		productGroup2.save(flush:true,failOnError:true)

	}

	protected void tearDown() {
		super.tearDown()
	}


    @Test
	void testProductGroupHasManyProducts() {
		
			
		def productGroup = ProductGroup.findByName("Ibuprofen")
		println productGroup
		assertNotNull productGroup
		assertNotNull productGroup.products
		assertEquals 1, productGroup.products.size()		
	}


    @Test
	void test_productGroup_hasManyProducts() {
		
		def product = Product.findByName("Ibuprofen, 200 mg, tablet")
		println product
		assertNotNull product
		
		def productGroup = ProductGroup.findByName("Ibuprofen")
		println productGroup
		assertNotNull productGroup

		
		assertEquals "Ibuprofen, 200 mg, tablet", product.name
		assertNotNull product.productGroups
		assertTrue product.productGroups.contains(productGroup)
		
		assertEquals "Ibuprofen", productGroup.name
		assertNotNull productGroup.products
		assertTrue productGroup.products.contains(product)
	}

    // This test doesn't fail any longer.
    @Ignore
	void test_delete_shouldFail() {
		def product = Product.findByName("Ibuprofen, 200 mg, tablet")
		assertNotNull product
		
		def productGroup = ProductGroup.findByName("Ibuprofen")
		assertNotNull productGroup

		def message = shouldFail(Exception) { 
			productGroup.delete(flush:true)
		}
		assertNotNull message
		assertTrue message.contains("deleted object would be re-saved by cascade") 
		
		product = Product.findByName("Ibuprofen, 200 mg, tablet")
		assertEquals 1, product.productGroups.size()
		assertEquals 1, productGroup.products.size()

	}

    @Test
	void test_delete_shouldDeleteProductGroupAndProductAssociation() {
		
		def product = Product.findByName("Ibuprofen, 200 mg, tablet")
		assertNotNull product
        println product.category
        println product.category.categories

		def productGroup = ProductGroup.findByName("Ibuprofen")
		assertNotNull productGroup

		product.removeFromProductGroups(productGroup)		
		productGroup.delete()
		
		product = Product.findByName("Ibuprofen, 200 mg, tablet")		
		assertEquals 0, product.productGroups.size()
		assertEquals 0, productGroup.products.size()
	}
	
	void test_productGroup_shouldNotPersistNonOwningAssociation() { 
		printAllProducts()
		def product = Product.findByName("Tylenol, 325 mg, tablet")
		assertNotNull product
				
		def productGroup = ProductGroup.findByName("Tylenol")
		assertNotNull productGroup
		assertNotNull productGroup.products
		assertEquals 1, productGroup.products.size()
		assertTrue productGroup.products.contains(product)
	}
	
	void printAllProducts() { 
		println "PRINT ALL PRODUCTS"
		def products = Product.list()
		products.each {
			println it.id + " " +  it.name + " " +  it.category + " " +  it.productGroups
		}
	}
	
	List getProductGroupProducts() { 		
		println "PRINT ALL PRODUCT GROUP PRODUCTS"
		def orphans = []

		Sql sql = new Sql(dataSource)
		sql.eachRow("select product.id as product_id, product.name as product_name, product_group.id as product_group_id, product_group.description as product_group_name from product_group_product left outer join product_group on product_group_id = product_group.id join product on product_id = product.id;", { row -> 
			orphans << [row.product_id, row.product_name, row.product_group_id, row.product_group_name]
		})
		return orphans;
	}
	
}