function monthly_expenses(widget) {
    "use strict";

    var model = openerp;

    widget.MonthlyExpensesWidget = widget.Base.extend({
        template: 'MonthlyExpenses',
        accountVoucher: [],
        accountInvoice: [],
        resCurrecy: [],
        resCompany: [],

        events: {
            'click a': 'showCustomers',
            'click h2': 'showCustomers',
        },

        init: function (parent) {
            this._super(parent, {
                width: 3,
                height: 2
            });
        },

        start: function () {
            var self = this;
            self.fetchInitial();
        },

        fetchInitial: function(){
            var self = this;
            self.$el.find('#morosidad').block({
                message: null,
                overlayCSS: {
                    backgroundColor: '#FAFAFA'
                }
            });
            self.$el.find('.widget-content.widget-loading').css('display','flex');

            self.fetchAccountVoucher().then(function (accountVoucher) {
                return accountVoucher;
            }).then(function (accountVoucher) {
                self.accountVoucher = accountVoucher;
                return self.fetchAccountInvoice(accountVoucher);
            }).then(function(accountInvoice) {
                self.accountInvoice = accountInvoice;
                return self.fetchResCompany();
            }).then(function(resCompany) {
                self.resCompany = resCompany;
                return self.fetchResCurrecy();
            }).then(function(resCurrecy) {
                self.resCurrecy = resCurrecy;
                return self.fetchReduceVoucher();
            });
        },
        // voucher pagos a proveedor  rango de fecha um mes
        fetchAccountVoucher: function() {
            var self = this;
            var defer = $.Deferred();
            var desde = moment().format('YYYY-MM-01');
            var hasta = moment().add(1,'months').format('YYYY-MM-01');
            var fields = ['id', 'amount', 'currency_id', 'payment_rate_currency_id', 'reference'];
            var domain = [['type', '=', 'payment'],['state', '=', 'posted'],['date', '>=',desde],['date','<',hasta]];
            var accountVoucher = new model.web.Model('account.voucher');

            accountVoucher.query(fields).filter(domain).all().then(function(results) {
                defer.resolve(results);
            });

            return defer;
        },
        // invoice -> origin === false
        fetchAccountInvoice:function(voucher) {
            var self = this;
            var defer = $.Deferred();
            var number = _.map(voucher,function(map){return map.reference});
            var fields = ['id','number','date_invoice','origin'];
            var domain = [['type', '=', 'in_invoice'],['origin', '=', false ],['number', 'in', number]];
            var accountInvoice = new model.web.Model('account.invoice');

            accountInvoice.query(fields).filter(domain).all().then(function(results) {
                defer.resolve(results);
            });

            return defer;
        },
        //Comapnia
        fetchResCompany: function() {
            var self = this;
            var defer = $.Deferred();
            var fields = ['id','name', 'currency_id'];
            var domain = [['id', '=', 1]];
            var resCompany = new model.web.Model('res.company');

            resCompany.query(fields).filter(domain).all().then(function (results) {
                defer.resolve(results);
            });

            return defer;
        },
        // Moneda
        fetchResCurrecy : function(){
            var self = this;
            var defer = $.Deferred();
            var fields = ['id','name', 'symbol', 'rate_silent', 'base', 'decimal_separator', 'decimal_places', 'thousands_separator', 'symbol_position'];
            var domain = [['active', '=', true]];
            var resCurrecy = new model.web.Model('res.currency');

            resCurrecy.query(fields).filter(domain).all().then(function(results) {
                defer.resolve(results);
            });

            return defer;
        },

        fetchReduceVoucher: function () {
            var self = this
            var voucher = [];
            var newVoucher = self.getVoucherInvoice();
            var itemVoucher;
            var currencyVoucher;
            var cat = 0;
            var company = self.resCompany.shift();
            var currencyBase = self.getCurrency(company.currency_id[0]).shift();

            for (var i = 0; i < newVoucher.length; i++) {
                itemVoucher = newVoucher[i];
                currencyVoucher = self.getCurrency(itemVoucher.payment_rate_currency_id[0]).shift();

                if(!currencyVoucher){
                    currencyVoucher = {};
                    currencyVoucher.rate = currencyBase.rate_silent;
                }
                voucher.push({
                    ammount: itemVoucher.amount,
                    amount_rate: (itemVoucher.amount* (currencyBase.rate_silent/currencyVoucher.rate_silent))
                });
            }

            if (voucher.length > 0) {
                cat = _.reduce(_.map(voucher, function (map) {
                    return map.amount_rate;
                }), function (memo, num) {
                    return memo + num;
                });
            }

            self.$el.find('.widget-content.widget-loading').css('display','none');
            self.$el.find('.widget-content').find('a').text(accounting.formatMoney(cat, currencyBase.symbol, currencyBase.decimal_places, currencyBase.thousands_separator, currencyBase.decimal_separator))
            self.$el.find('#morosidad').unblock();
        },
        // Obtener la moneda
        getCurrency: function (id) {
            var self = this;
            return _.filter(self.resCurrecy,function (item) {
                return item.id === id;
            })
        },
        // Obtener los pagos de las factura sim origin
        getVoucherInvoice:function() {
            var self = this;
            var number = _.map(self.accountInvoice, function(map) {
                return map.number;
            });

            return  _.flatten(_.filter(self.accountVoucher,function(item) {
                return _.contains(number,item.reference);
            }));
        },
        // Modal
        showCustomers: function (e) {
            var self = this;
            if (self.accountVoucher.length === 0) {
                model.web.notification.do_warn("Atención","Sin datos");
                return
            }
            var hoy = moment().format('YYYY-MM-DD');
            var desde = moment().format('YYYY-MM-01');
            var hasta = moment().add(1,'months').format('YYYY-MM-01');
            var number = _.map(self.accountInvoice,function(map) {
                return map.number;
            });

            this.do_action({
                name: "Listado de gastos del mes",
                type: 'ir.actions.act_window',
                res_model: "account.voucher",
                views: [[false, 'list'],[false,'form']],
                target: 'new',
                domain: [['type', '=', 'payment'],['state', '=', 'posted'],['date', '>=',desde],['date','<',hasta],['reference','in',number]],
                context: {},
                flags: {
                    'form': {
                        'action_buttons': false,
                        'options': {
                            'mode': 'view'
                        }
                    }
                },
            });
        }
    });
}