openerp.eiru_sale_order = function (instance, local) {
    local.widgetInstance = null;
    local.parentInstance = null;

    local.SaleOrderCurveWidget = instance.Widget.extend({
        template : "eiru_sale_order.SaleOrderCurve",
        init:function(parent){
            this._super(parent);
            this.buttons = parent.$buttons;
        },

        updateId : function(id){
            var self = this;
            self.id=id;
        },

        reloadLine: function() {
            local.parentInstance.reload();
        },

        start: function () {
            var self = this;
            this.$el.click(function () {
                self.fecthInitial();
            });
        },

        fecthInitial: function(){
            var id= openerp.webclient._current_state.id;
            var self = this;
            self.fecthSale(id).then(function(sale){
                return sale;
            }).then(function(sale){
                self.sale = sale;
                return self.fetchProductTemplate();
            }).then(function(ProductTemplate){
                self.ProductTemplate = ProductTemplate;
                return self.fetchProductProduct();
            }).then(function(ProductProduct){
                self.ProductProduct = ProductProduct;
                self.inicializarBuscador();
            });
            return false;
        },

        fecthSale: function(id){
            var defer = $.Deferred();
            var fields=['id','name','partner_id','state'];
            var domain=[['id','=', id]];
            var Sale = new instance.web.Model('sale.order');
            Sale.query(fields).filter(domain).order_by('id').all().then(function(results){
                defer.resolve(results);
            });
            return defer;
        },
        
        fetchProductTemplate: function () {
            var defer = $.Deferred();
            var fields=['id','name','curva'];
            var domain=[['active','=', true],['product_website_sale_type','=', true],['sale_ok','=', true]];
            var ProductTemplate = new instance.web.Model('product.template');
            ProductTemplate.query(fields).filter(domain).order_by('id').all().then(function(results){
                defer.resolve(results);
            });
            return defer;
        },

        fetchProductProduct: function () {
            var defer = $.Deferred();
            var fields=['id','name','product_tmpl_id','attribute_str','default_code','ean13'];
            var domain=[['active','=', true],['sale_ok','=', true]];
            var ProductProduct = new instance.web.Model('product.product');
            ProductProduct.query(fields).filter(domain).order_by('id').all().then(function(results){
                defer.resolve(results);
            });
            return defer;
        },

        valorNull:function(dato){
            var valor ="";
            if (dato){
                valor=dato;
            }
            return valor;
        },

        getTemplate : function(id){
            var self = this;
            return _.filter(self.ProductTemplate, function(item){
                return item.id == id;
            });
        },
        
        getProduct : function(product_tmpl_id){
            var self = this;
            return _.filter(self.ProductProduct, function(item){
                return item.product_tmpl_id[0] == product_tmpl_id;
            });
        },

        getProductProduct : function(id){
            var self = this;
            return _.filter(self.ProductProduct, function(item){
                return item.id == id;
            });
        },

        inicializarBuscador: function () {
            var self = this;
            var selectProduct;
            var searchType = $('#SearchByCurve').is(":checked");
            if(searchType){
                var results = self.ProductTemplate;
                results = _.map(results, function (item) {
                return {
                        label: item.name,
                        value: item.id + '-'+ item.name
                    }
                });
                self.$('#productSearch').autocomplete({
                    source: results,
                    minLength:4,
                    response: function (e, ui){
                        if (ui.content instanceof Array && ui.content.length === 1) {
                            selectProduct = ui.content[0];    
                            $(this).autocomplete("close");
                            $(this).val('');
                            self.factInsert(selectProduct);
                        }                
                    },
                    select: function (e, ui) {
                        $(this).val('');
                        selectProduct = ui.item;
                        self.factInsert(selectProduct);
                        return false;
                    }  
                });   
            }else{
                var results = self.ProductProduct;
                results = _.map(results, function (item) {
                return {
                        label: '[ ' + self.valorNull(item.default_code) + ' - ' + self.valorNull(item.ean13) + ' ] ' + item.name + ' (' + self.valorNull(item.attribute_str) + ')',
                        value: item.id + ' - '+ item.name + ' (' + item.attribute_str + ')'
                    }
                });
                $('#productSearch').autocomplete({
                    source: results,
                    minLength: 4,
                    response: function (e, ui){
                        if (ui.content instanceof Array && ui.content.length === 1) {
                            selectProduct = ui.content[0];    
                            $(this).autocomplete("close");
                            $(this).val('');
                            self.factInsertProduct(selectProduct);
                            return false;
                        }                
                    },
                    select: function (e, ui) {
                        $(this).val('');
                        selectProduct = ui.item;
                        self.factInsertProduct(selectProduct);
                        return false;
                    }  
                });
            }
        },

        factInsert:function(selectProduct){
            var self = this;
            var product = selectProduct.value.split('-');
            var template = self.getTemplate(product[0]);
            var variant = self.getProduct(product[0]);
            template = template[0].curva.split(',');
            var qty = 0;
            var contador = 0;
            for (var i = 0; i < variant.length; i++) {
                qty = template[contador];
                contador += 1;
                self.joinSaleLine(variant[i].id, qty).then(function(results) {
                    return results;
                }).then(function(){
                    self.reloadLine();
                });
                if (contador === template.length) { 
                    contador = 0;
                }
            }
        },

        factInsertProduct:function(selectProduct){
            var self = this;
            var product = selectProduct.value.split('-');
            var variant = self.getProductProduct(product[0]);
            var qty = 1;
            self.joinSaleLine(variant[0].id, qty).then(function(results) {
                return results;
            }).then(function(){
                self.reloadLine();
            });
        },

        joinSaleLine: function(product_id, qty) {
            var self = this;
            var defer = $.Deferred();
            var sale = new openerp.web.Model('sale.order');
            sale.call('join_sale_lines',[
                {
                    id: self.sale[0].id,
                    product_id: product_id,
                    product_uom_qty: qty
                }
            ], {
                    context: new openerp.web.CompoundContext()
            }).then(function(results) {
                defer.resolve(results);
            });
            return defer;
        },
    });

    if (instance.web && instance.web.FormView) {
        instance.web.FormView.include({
            load_form: function (record) {
                this._super.apply(this, arguments);
                if (this.model !== 'sale.order') return;
                local.parentInstance = this;
                if (local.widgetInstance) {
                    local.widgetInstance.updateId(record.id);
                }
                local.widgetInstance = new local.SaleOrderCurveWidget(this);
                var elemento = this.$el.find('.oe_form_sheet.oe_form_sheet_width');
                elemento =  elemento.find('.product_search_box');
                local.widgetInstance.appendTo(elemento);
                local.widgetInstance.updateId(record.id);
            }
        });
    }
}