/**
 * 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 org.pih.warehouse.core.MailService
import org.pih.warehouse.inventory.InventoryService

class CreateProductFromTemplateController {

    MailService mailService
    ProductService productService
    InventoryService inventoryService

    def index = {
        redirect(action: "create")
    }


    def createFlow = {
        start {
            action {
                flow.product = new ProductGloveCommand()
            }
            on("success").to("chooseTemplate")
            on(Exception).to("error")
        }

        chooseTemplate {
            on("back").to("start")
            on("next") {
                log.info "Choose Template (on next) : " + params


                flow.category = Category.findByNameLike(params.templateName)
                flow.product.category = flow.category
                flow.templateName = params.templateName

            }.to("enterDetails")
            on("error").to("confirmDetails")
            on("cancel").to("finish")
            on(Exception).to("error")
            on("chooseTemplate").to("chooseTemplate")
            on("enterDetails").to("enterDetails")
            on("confirmDetails").to("confirmDetails")
        }
        enterDetails {
            on("back").to("chooseTemplate")
            on("next") { ProductGloveCommand product ->
                log.info "Enter Details (on next) : " + params

                flow.product = product
                if (product.hasErrors()) {
                    flash.message = "errors"
                    error()
                }
            }.to("confirmDetails")

            on("error").to("confirmDetails")
            on("cancel").to("finish")
            on(Exception).to("error")
            on("chooseTemplate").to("chooseTemplate")
            on("enterDetails").to("enterDetails")
            on("confirmDetails").to("confirmDetails")
        }
        confirmDetails {
            on("back").to("enterDetails")
            on("next") {
                // Save product
                if (flow.product.validate() && !flow.product.hasErrors()) {
                    def product = flow.product
                    def productInstance = new Product()
                    productInstance.name = product.title
                    productInstance.description = product.description
                    productInstance.category = product.category
                    productInstance.save(flush: true)
                    flow.productInstance = productInstance
                    flash.message = "Product details have been saved to the database with ID " + productInstance.id

                } else {
                    flash.message = "fix errors"
                    error()
                }

            }.to("showProduct")
            on("error").to("enterDetails")
            on("cancel").to("finish")
            on(Exception).to("error")
            on("chooseTemplate").to("chooseTemplate")
            on("enterDetails").to("enterDetails")
            on("confirmDetails").to("confirmDetails")
            on("showProduct").to("showProduct")
        }
        showProduct {
            on("back").to("confirmDetails")
            on("next").to("finish")
            on(Exception).to("start")
            on("chooseTemplate").to("chooseTemplate")
            on("enterDetails").to("enterDetails")
            on("confirmDetails").to("confirmDetails")
            on("showProduct").to("showProduct")

        }
        error {
            on("startOver").to("start")
            on(Exception).to("start")
            on("chooseTemplate").to("chooseTemplate")
            on("enterDetails").to("enterDetails")
            on("confirmDetails").to("confirmDetails")
        }
        finish {
            redirect(controller: "createProductFromTemplate", action: "index")
        }
    }
}