using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Bowin.Web.Controls.Mvc
{
    public abstract class TextBoxValueResolver
    {
        public abstract string Execute(TextBox txtBox);

        public static TextBoxValueResolver CreateValueResolver(TextBoxType type)
        {
            TextBoxValueResolver resolver = new DefaultTextBoxValueResolver();
            switch (type)
            {
                case TextBoxType.DateTime: 
                    resolver = new DateTimeTextBoxValueResolver();
                    break;
                case TextBoxType.Date:
                    resolver = new DateTextBoxValueResolver();
                    break;
                case TextBoxType.Time:
                    resolver = new TimeTextBoxValueResolver();
                    break;
                default:
                    break;
            }
            return resolver;
        }
    }

    public class DefaultTextBoxValueResolver:TextBoxValueResolver
    {
        public override string Execute(TextBox txtBox)
        {
            return txtBox.Value == null ? "" : txtBox.Value.ToString();
        }
    }


    internal class DateTextBoxValueResolver : TextBoxValueResolver
    { 
        public override string Execute(TextBox txtBox)
        {
            return txtBox.Value == null ? "" : (Convert.ToDateTime(txtBox.Value)).ToString("yyyy-MM-dd");
        }
    }

    internal class DateTimeTextBoxValueResolver : TextBoxValueResolver
    {
        public override string Execute(TextBox txtBox)
        {
            return txtBox.Value == null ? "" : (Convert.ToDateTime(txtBox.Value)).ToString("yyyy-MM-dd HH:mm:ss");
        }
    }

    internal class TimeTextBoxValueResolver : TextBoxValueResolver
    {
        public override string Execute(TextBox txtBox)
        {
            if (txtBox.Value is TimeSpan)
            {
                return txtBox.Value == null ? "" : ((TimeSpan)txtBox.Value).ToString("hh\\:mm\\:ss");
            }
            else
            {
                return txtBox.Value == null ? "" : (Convert.ToDateTime(txtBox.Value)).ToString("HH:mm:ss");
            }
        }
    }
}