using DevExpress.Data.Filtering;
using DevExpress.ExpressApp;
using DevExpress.ExpressApp.DC;
using DevExpress.ExpressApp.Model;
using DevExpress.Persistent.Base;
using DevExpress.Persistent.BaseImpl;
using DevExpress.Persistent.Validation;
using DevExpress.Xpo;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;

namespace DurnyklyYol.Module.BusinessObjects
{
    [DefaultClassOptions, NavigationItem("Finance")]
    [ImageName("BO_Invoice")]
    [DefaultProperty(nameof(No))]
    //[DefaultListViewOptions(MasterDetailMode.ListViewOnly, false, NewItemRowPosition.None)]
    //[Persistent("DatabaseTableName")]
    // Specify more UI options using a declarative approach (https://documentation.devexpress.com/#eXpressAppFramework/CustomDocument112701).
    public class Expense : BaseObject
    { // Inherit from a different class to provide a custom primary key, concurrency and deletion behavior, etc. (https://documentation.devexpress.com/eXpressAppFramework/CustomDocument113146.aspx).
        // Use CodeRush to create XPO classes and properties with a few keystrokes.
        // https://docs.devexpress.com/CodeRushForRoslyn/118557
        public Expense(Session session)
            : base(session)
        {
        }
        public override void AfterConstruction()
        {
            base.AfterConstruction();
            ExpenseDate = DateTime.Now;
        }

        protected override void OnSaving()
        {
            base.OnSaving();
            if (Session is not NestedUnitOfWork
                && (Session.DataLayer != null)
                && Session.IsNewObject(this)
                && (Session.ObjectLayer is SimpleObjectLayer)
                //OR
                //&& !(Session.ObjectLayer is DevExpress.ExpressApp.Security.ClientServer.SecuredSessionObjectLayer)
                && string.IsNullOrEmpty(No))
            {
                int nextSequence = DistributedIdGeneratorHelper.Generate(Session.DataLayer, this.GetType().FullName, "ERPrefix");
                No = string.Format("ÇD-{0:D6}", nextSequence);
            }
        }

        string description;
        string no;
        decimal amount;
        Cargo cargo;
        DateTime expenseDate;

        [Size(SizeAttribute.DefaultStringMappingFieldSize), RuleUniqueValue, Indexed(Unique = true), ReadOnly(true), VisibleInDetailView(false)]
        public string No
        {
            get => no;
            set => SetPropertyValue(nameof(No), ref no, value);
        }

        [RuleValueComparison(ValueComparisonType.GreaterThan, 0)]
        [ModelDefault("DisplayFormat", "${0:#,##0.00}")]
        public decimal Amount
        {
            get => amount;
            set => SetPropertyValue(nameof(Amount), ref amount, value);
        }

        [RuleRequiredField(DefaultContexts.Save)]
        [ModelDefault("DisplayFormat", "{0:g}"), ModelDefault("EditMask", "g")]
        public DateTime ExpenseDate
        {
            get => expenseDate;
            set => SetPropertyValue(nameof(ExpenseDate), ref expenseDate, value);
        }


        [Association("Cargo-Expenses"), RuleRequiredField(DefaultContexts.Save)]
        public Cargo Cargo
        {
            get => cargo;
            set => SetPropertyValue(nameof(Cargo), ref cargo, value);
        }

        
        [Size(SizeAttribute.DefaultStringMappingFieldSize), RuleRequiredField(DefaultContexts.Save)]
        public string Description
        {
            get => description;
            set => SetPropertyValue(nameof(Description), ref description, value);
        }
    }
}