var query = []
var grid = null
var msg = ''


function get_series(){
    webix.ajax().get('/values/series', function(text, data){
        var values = data.json()
        table_series.clear()
        table_series.insert(values)
        pre = values[0]
        $$('lst_serie').getList().parse(values)
        $$('lst_serie').setValue(pre.id)
        if(pre.usar_con){
            $$('lst_tipo_comprobante').setValue(pre.usar_con)
            $$('lst_tipo_comprobante').config.readonly = true
            $$('lst_tipo_comprobante').refresh()
        }
        if(values.length == 1){
            $$('lst_serie').config.readonly = true
            $$('lst_serie').refresh()
        }
    })
}


function get_forma_pago(){
    webix.ajax().get('/values/formapago', {key: true}, function(text, data){
        var values = data.json()
        //~ pre = values[0]
        $$('lst_forma_pago').getList().parse(values)
        //~ $$('lst_forma_pago').setValue(pre.id)
    })
}


function get_monedas(){
    webix.ajax().get('/values/monedas', function(text, data){
        var values = data.json()
        pre = values[0]
        $$('lst_moneda').getList().parse(values)
        $$('lst_moneda').setValue(pre.id)
        if(values.length == 1){
            $$('fs_moneda').hide()
            $$('fs_moneda').refresh()
        }
    })
}


function get_uso_cfdi(){
    get_uso_cfdi_to_table({key: true})
    query = table_usocfdi.chain().data()
    $$('lst_uso_cfdi').getList().parse(query)
}


function get_regimen_fiscal(){
    webix.ajax().get('/values/regimenes', function(text, data){
        var values = data.json()
        pre = values[0]
        $$('lst_regimen_fiscal').getList().parse(values)
        $$('lst_regimen_fiscal').setValue(pre.id)
        if(values.length == 1){
            $$('fs_regimen_fiscal').hide()
            $$('fs_regimen_fiscal').refresh()
        }
    })
}


function default_config(){
    webix.ajax().sync().get('/values/taxes', function(text, data){
        var values = data.json()
        table_taxes.clear()
        table_taxes.insert(values)
    })
    get_series()
    get_forma_pago()
    get_monedas()
    get_uso_cfdi()
    get_regimen_fiscal()
    table_pt.clear()
    table_totals.clear()
}


function cmd_new_invoice_click(id, e, node){
    var form = $$('form_invoice')
    var grid_totals = $$('grid_totals')
    grid = $$('grid_details')

    default_config()
    form.adjust()
    form.setValues({id: 0, id_partner: 0, lbl_client: 'Ninguno'})
    grid.clearAll()
    grid_totals.clearAll()
    grid_totals.add({id: 1, concepto: 'SubTotal', importe: 0})
    $$('multi_invoices').setValue('invoices_new')
    form.focus('search_client_id')
}


function cmd_edit_invoice_click(id, e, node){

    $$("multi_invoices").setValue("invoices_new")

}


function delete_invoice(id){
    webix.ajax().del('/invoices', {id: id}, function(text, xml, xhr){
        if(xhr.status == 200){
            $$('grid_invoices').remove(id)
            msg_sucess('Factura eliminada correctamente')
        }else{
            msg_error('No se pudo eliminar')
        }
    })
}



function cmd_delete_invoice_click(id, e, node){

    var row = $$('grid_invoices').getSelectedItem()
    if (row == undefined){
        msg_error('Selecciona una factura')
        return
    }

    if(!row['uuid']==null){
        msg_error('Solo se pueden eliminar facturas sin timbrar')
        return
    }

    var msg = '¿Estás seguro de eliminar la siguiente Factura?<BR><BR>'
    msg += '(' + row['folio'] + ') ' + row['cliente']
    msg += '<BR><BR>ESTA ACCIÓN NO SE PUEDE DESHACER'
    webix.confirm({
        title:'Eliminar Factura',
        ok:'Si',
        cancel:'No',
        type:'confirm-error',
        text:msg,
        callback:function(result){
            if (result){
                delete_invoice(row['id'])
            }
        }
    })
}


function validate_invoice(values){

    if(values.id_partner == 0){
        webix.UIManager.setFocus('search_client_name')
        msg = 'Selecciona un cliente'
        msg_error(msg)
        return false
    }

    if(!grid.count()){
        webix.UIManager.setFocus('search_product_id')
        msg = 'Agrega al menos un producto o servicio'
        msg_error(msg)
        return false
    }

    var uso_cfdi = $$('lst_uso_cfdi').getValue()
    if(uso_cfdi.trim() == ""){
        webix.UIManager.setFocus('lst_uso_cfdi')
        msg = 'El Uso del CFDI es requerido'
        msg_error(msg)
        return false
    }

    var forma_pago = $$('lst_forma_pago').getValue()
    if(forma_pago.trim() == ""){
        webix.UIManager.setFocus('lst_forma_pago')
        msg = 'La Forma de pago es requerida'
        msg_error(msg)
        return false
    }

    var tipo_cambio = $$('txt_tipo_cambio').getValue()
    if(tipo_cambio.trim() == ""){
        webix.UIManager.setFocus('txt_tipo_cambio')
        msg = 'El Tipo de Cambio es requerido'
        msg_error(msg)
        return false
    }

    if(isNaN(tipo_cambio * 1)){
        webix.UIManager.setFocus('txt_tipo_cambio')
        msg = 'El Tipo de Cambio debe ser un valor númerico'
        msg_error(msg)
        return false
    }

    var moneda = $$('lst_moneda').getValue()
    if(moneda == 'MXN' && tipo_cambio != 1){
        webix.UIManager.setFocus('txt_tipo_cambio')
        msg = 'Si la moneda es MXN, el Tipo de Cambio debe ser 1.00'
        msg_error(msg)
        return false
    }

    if(moneda != 'MXN' && tipo_cambio == 1){
        webix.UIManager.setFocus('txt_tipo_cambio')
        msg = 'Si la moneda no es MXN, el Tipo de Cambio debe ser diferente de 1.00'
        msg_error(msg)
        return false
    }


    return true
}


function update_grid_invoices(values){
    if(values.new){
        $$('grid_invoices').add(values.row)
    }else{
        $$("grid_invoices").updateItem(values.row['id'], values.row)
    }
}

function send_timbrar(id){
    webix.ajax().get('/values/timbrar', {id: id}, function(text, data){
        var values = data.json()
        if(values.ok){
            msg_sucess(values.msg)
        }else{
            webix.alert({
                title: 'Error al Timbrar',
                text: values.msg,
                type: 'alert-error'
            })
        }
    })

}


function save_invoice(data){
    var result = false
    var values = NaN

    webix.ajax().sync().post('invoices', data, {
        error:function(text, data, XmlHttpRequest){
            msg = 'Ocurrio un error, consulta a soporte técnico'
            msg_error(msg)
        },
        success:function(text, data, XmlHttpRequest){
            values = data.json();
            if(values.ok){
                update_grid_invoices(values)
                send_timbrar(values.row['id'])
                result = true
            }else{
                webix.message({type:'error', text:values.msg})
            }
        }
    })

    if(result){
        table_pt.clear()
        table_totals.clear()
        grid.clearAll()
        $$('grid_totals').clearAll()

    }

    return result
}


function cmd_timbrar_click(id, e, node){
    var form = this.getFormView();

    if(!form.validate()) {
        webix.message({type:'error', text:'Valores inválidos'})
        return
    }

    var values = form.getValues();
    if(!validate_invoice(values)){
        return
    }

    var rows = grid.data.getRange()
    for (i = 0; i < rows.length; i++) {
        delete rows[i]['delete']
        delete rows[i]['clave']
        delete rows[i]['descripcion']
        delete rows[i]['unidad']
        delete rows[i]['importe']
        rows[i]['valor_unitario'] = parseFloat(rows[i]['valor_unitario'])
    }

    var data = new Object()
    data['id'] = values.id
    data['cliente'] = values.id_partner
    data['productos'] = rows
    data['serie'] = $$('lst_serie').getText()
    data['forma_pago'] = $$('lst_forma_pago').getValue()
    data['condiciones_pago'] = $$('txt_condicion_pago').getValue().trim()
    data['moneda'] = $$('lst_moneda').getValue()
    data['tipo_cambio'] = $$('txt_tipo_cambio').getValue()
    data['tipo_comprobante'] = $$('lst_tipo_comprobante').getValue()
    data['metodo_pago'] = $$('lst_metodo_pago').getValue()
    data['uso_cfdi'] = $$('lst_uso_cfdi').getValue()
    data['regimen_fiscal'] = $$('lst_regimen_fiscal').getValue()

    if(!save_invoice(data)){
        return
    }

    form.setValues({id_partner: 0, lbl_partner: 'Ninguno'})
    $$('multi_invoices').setValue('invoices_home')
}


function cmd_close_invoice_click(id, e, node){
    $$('multi_invoices').setValue('invoices_home')
}


function search_client_by_id(id){
    var msg = ''
    webix.ajax().get('/values/client', {'id': id}, {
        error: function(text, data, xhr) {
            webix.message({type: 'error', text: 'Error al consultar'})
        },
        success: function(text, data, xhr){
            var values = data.json()
            if (values.ok){
                set_client(values.row)
            }else{
                msg = 'No se encontró un cliente con la clave: ' + id
                webix.message({type:'error', text: msg})
            }
        }
    })

}


function set_client(row){
    var form = $$('form_invoice')
    var html = '<span class="webix_icon fa-user"></span><span class="lbl_partner">'
    form.setValues({
        id_partner:row.id, search_client_id:'', search_client_name:'',
        forma_pago: row.forma_pago, uso_cfdi: row.uso_cfdi}, true)
    html += row.nombre + ' (' + row.rfc + ')</span>'
    $$('lbl_client').setValue(html)
    form.focus('search_product_id')
}


function grid_clients_found_click(obj){
    set_client(obj)
}


function search_client_id_key_press(code, e){
    var value = this.getValue()
    if(code == 13 && value.length > 0){
        var id = parseInt(value, 10)
        if (isNaN(id)){
            webix.message({type:'error', text:'Captura una clave válida'});
        }else{
            search_client_by_id(id)
        }
    }
}


function calculate_taxes(){
    var tmp = null
    table_totals.clear()
    var subtotal = 0
    var total_iva = 0
    var id = 2
    var grid_totals = $$('grid_totals')

    grid_totals.clearAll()
    grid_totals.add({id: 1, concepto: 'SubTotal', importe: 0})

    grid.eachRow(function(row){
        var product = grid.getItem(row)
        subtotal += parseFloat(product.importe)
        query = table_pt.chain().find({'product': product.id}).data()
        for(var tax of query){
            tmp = table_totals.findOne({'tax': tax.tax})
            if(tmp === null){
                table_totals.insert(
                    {'tax': tax.tax, 'importe': parseFloat(product.importe)})
                tmp = table_totals.findOne({'tax': tax.tax})
            }else{
                tmp.importe += parseFloat(product.importe)
                table_totals.update(tmp)
            }
        }
    })

    var tax = null
    var tipo = 'Traslado '
    var concepto = ''
    var total_tax = 0
    query = table_totals.chain().data()
    for(var t of query){
        tax = table_taxes.findOne({'id': t.tax})
        if(tax.tipo == 'E' || tax.tipo == 'R'){
            continue
        }
        concepto = tipo + tax.name + ' (' + tax.tasa + ')'
        total_tax = (tax.tasa * t.importe).round(DECIMALES)
        grid_totals.add({id: id, concepto: concepto, importe: total_tax})
        id += 1
        if(tax.name == 'IVA'){
            total_iva += total_tax
        }
    }

    tipo = 'Retención '
    for(var t of query){
        tax = table_taxes.findOne({'id': t.tax})
        if(tax.tipo == 'E' || tax.tipo == 'T'){
            continue
        }
        concepto = tipo + tax.name + ' (' + tax.tasa + ')'
        if(tax.tasa == (2/3).round(6)){
            total_tax = (tax.tasa * total_iva * -1).round(DECIMALES)
            concepto = tipo + tax.name + ' (2/3)'
        }else{
            total_tax = (tax.tasa * t.importe * -1).round(DECIMALES)
        }
        grid_totals.add({id: id, concepto: concepto, importe: total_tax})
        id += 1
    }

    var row = {importe: subtotal}
    grid_totals.updateItem(1, row)
}


function set_product(values){
    var taxes = values.taxes
    var values = values.row
    var form = $$('form_invoice')
    var row = grid.getItem(values.id)

    values['delete'] = '-'
    if (row == undefined){
        values['cantidad'] = 1
        values['importe'] = values['valor_unitario']
        grid.add(values)
    } else {
        values['cantidad'] = parseFloat(row.cantidad) + 1
        values['importe'] = values['valor_unitario'] * values['cantidad']
        grid.updateItem(row.id, values)
    }
    form.setValues({search_product_id:'', search_product_name:''}, true)

    for(var v of taxes){
        var pt = table_pt.findOne(v)
        if(pt === null){
            table_pt.insert(v)
        }
    }
    calculate_taxes()
}


function grid_products_found_click(obj){
    search_product_by_id(obj.id)
}


function search_product_by_id(id){
    var msg = ''

    webix.ajax().get('/values/product', {'id': id}, {
        error: function(text, data, xhr) {
            webix.message({type: 'error', text: 'Error al consultar'})
        },
        success: function(text, data, xhr){
            var values = data.json()
            if (values.ok){
                set_product(values)
            } else {
                msg = 'No se encontró un producto con la clave: ' + id
                webix.message({type: 'error', text: msg})
            }
        }
    })

}


function search_product_id_key_press(code, e){
    var value = this.getValue()
    if(code == 13 && value.length > 0){
        var id = parseInt(value, 10)
        if (isNaN(id)){
            webix.message({type: 'error', text: 'Captura una clave válida'});
        }else{
            search_product_by_id(id)
        }
    }
}


function grid_details_before_edit_start(id){
    var columns = ['', 'descripcion', 'cantidad', 'valor_unitario']
    if(!columns.indexOf(id.column)){
        return !this.getItem(id.row)[id.column]
    }
}


function grid_details_before_edit_stop(state, editor){
    var row = grid.getItem(editor.row)

    if(editor.column == 'descripcion'){
        if(!state.value.trim()){
            msg = 'La descripción no puede estar vacía'
            webix.message({type:'error', text: msg})
            grid.blockEvent()
            state.value = state.old
            grid.editCancel()
            grid.unblockEvent()
            return true
        }
        state.value = state.value.trim()
        return true
    }

    if(editor.column == 'cantidad'){
        var cantidad = parseFloat(state.value)
        if(isNaN(cantidad)){
            msg = 'La cantidad debe ser un número'
            webix.message({type:'error', text: msg})
            grid.blockEvent()
            state.value = state.old
            grid.editCancel()
            grid.unblockEvent()
            return true
        }
        var valor_unitario = row['valor_unitario']
    }

    if(editor.column == 'valor_unitario'){
        var valor_unitario = parseFloat(state.value)
        if(isNaN(valor_unitario)){
            msg = 'El valor unitario debe ser un número'
            webix.message({type:'error', text: msg})
            grid.blockEvent()
            state.value = state.old
            grid.editCancel()
            grid.unblockEvent()
            return true
        }
        var cantidad = row['cantidad']
    }

    row['importe'] = (cantidad * valor_unitario).round(DECIMALES)
    grid.refresh()
    calculate_taxes()
}


function grid_details_click(id, e, node){
    if(id.column != 'delete'){
        return
    }
    grid.remove(id.row)
    calculate_taxes()
}


function grid_details_header_click(id){
    if(id.column != 'delete'){
        return
    }

    var msg = '¿Estás seguro de quitar todos los productos?'
    webix.confirm({
        title: 'Quitar todos',
        ok: 'Si',
        cancel: 'No',
        type: 'confirm-error',
        text: msg,
        callback:function(result){
            if (result){
                grid.clearAll()
                calculate_taxes()
            }
        }
    })
}