///
/// Copyright (c) 2021 Sensus Slovensko a.s.
///
using System;

namespace TBF.Boxes
{
    public class DateTimeBox : IBox
    {
        private DateTime val;
        public DateTime Val
        {
            get { return val; }
            set { val = value; valid = true; }
        }

		/// Box name
        string name;
		public string Name
		{
			get { return name; }
			set { name = value; }
		}

		/// Validity flag: true = the box value is valid
		private bool valid = false;
		public bool Valid
		{
			get { return valid; }
		}

		/// <summary> Parameterless constructor </summary>
        public DateTimeBox()
        {
            val = DateTime.MinValue;
        }

		/// <summary> Constructor that initializes the value </summary>
        public DateTimeBox(DateTime val)
        {
            this.val = val;
        }

		/// <summary>
		/// Clear the box value and the valid flag
		/// </summary>
		public void Clear()
		{
            val = DateTime.MinValue;
			valid = false;
		}

        /// <summary>
        /// Validate the string representation of the box value
        /// </summary>
        /// <param name="strVal">String representation of the parameter</param>
        /// <returns>true = string is OK, false = string is wrong (see 'message')</returns>
        public bool ValidateParam(string strVal)
        {
            return false;
        }

        /// <summary>
        /// Update the parameter from a string
        /// </summary>
        /// <param name="strVal">String representation of the box value</param>
        public void UpdateParam(string strVal)
        {
        }

        public DateTimeBox Clone()
        {
            DateTimeBox newBox = new DateTimeBox();
            newBox.name = name;
            newBox.val = val;
            newBox.valid = valid;
            return newBox;
        }

        public static double DurationSec(DateTimeBox start, DateTimeBox end)
        {
            if (start == null || end == null) return 0;

            return (end.Val - start.Val).TotalSeconds;
        }
    }
}