using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.ComponentModel.DataAnnotations;
using Sleis.Validation.Attribute;
using Sleis.Utility;
using Sleis.Models;
using Sleis.Models.CustomFields;

namespace Sleis.ViewModels
{
    public class CustomFieldView : BaseViewModel
    {
        public virtual CustomFieldModel Field { get; set; }
        public virtual CustomFieldEntityValue Value { get; set; }

        public CustomFieldView() {
            Field = new CustomFieldModel();
            Value = new CustomFieldEntityValue();
        }
        public CustomFieldView(CustomFieldModel field)
        {
            Field = field;
            Value = new CustomFieldEntityValue();
        }

        public virtual bool HasValue {
            get
            {
                return Value != null &&
                    Value.FieldValue != null;
            }
        }

        public virtual bool ValueIsNullOrEmpty
        {
            get
            {
                return !HasValue || 
                    String.IsNullOrEmpty(Value.FieldValue.Value);
            }
        }

        public override void SetContext(string parentContext)
        {
            ValidationContxt = String.Format("{0} Field:{1}", parentContext, Field.Label);
            Field.SetContext(ValidationContxt);
            Value.SetContext(ValidationContxt);
        }
    }
}