// Copyright 2018 RED Software, LLC. All Rights Reserved.

using System.Collections.Generic;

namespace IgniteEngine.Content.Items
{
    /// <summary>
    /// Class that holds a collection of item instances.
    /// </summary>
    public class Inventory
    {
        /// <summary>
        /// The items inside of the inventory.
        /// </summary>
        public List<Item> Items { get; set; }
        /// <summary>
        /// The inventory's type.
        /// </summary>
        public InventoryType Type { get; set; }

        /// <summary>
        /// The maximum number of items this inventory can store.
        /// </summary>
        private int capacity;

        /// <summary>
        /// Creates a new instance of the <see cref="Inventory"/> class.
        /// </summary>
        /// <param name="type">The type of the inventory.</param>
        /// <param name="capacity">The maximum number of items the inventory can contain.</param>
        public Inventory(InventoryType type, int capacity)
        {
            Items = new List<Item>(capacity);
            Type = type;

            this.capacity = capacity;
        }

        /// <summary>
        /// Returns the item at the specified inventory position.
        /// </summary>
        /// <param name="slot">The item's position.</param>
        public Item this[byte slot] => Items.First(i => i.Slot == slot);
    }
}