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

namespace CustomOpenAddins.Models
{
    /// <summary>
    /// 细类
    /// </summary>
    public class DetailItem : BaseItem
    {
        public DetailItem(string name, SubItem subItem) : base(name)
        {
            SubItem = subItem;
            MeasureTypes = new HashSet<Measurement>();
        }

        public Measurement this[int index]
        {
            get => MeasureTypes.ElementAt(index);
        }
        /// <summary>
        /// 细类，父级
        /// </summary>
        public SubItem SubItem { get; set; }
        public override string ToString()
        {
            StringBuilder sb = new StringBuilder($"{nameof(DetailItem)}:{Name};");
            if (MeasureTypes.Count == 0)
            {
                return sb.Append("无;").ToString();
            }
            foreach (var item in MeasureTypes)
            {
                sb.AppendLine($"{item}");
            }

            return sb.ToString();
        }

        public HashSet<Measurement> MeasureTypes { get; private set; }

        public Measurement AddMeature(MeasurementUnit unit)
        {
            Measurement measure = new Measurement(unit, this);
            if (MeasureTypes == null)
            {
                MeasureTypes = new HashSet<Measurement>();
            }
            MeasureTypes.Add(measure);
            return measure;
        }
    }
}