WeaponManager

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace JeffreyStephens
{
    public enum ElementType
    {
        None = 0, Fire, Earth, Air, Water
    }
}


namespace JeffreyStephens.Weapons
{
    /// <summary>
    /// IWeapon is an interface. It requires a class or struct have the following methods and properties.
    /// </summary>
    public interface IWeapon
    {
        string Name { get; set; }
        int Accuracy { get; set; }
        int Damage { get; set; }
        JeffreyStephens.ElementType Element { get; set; }
        GameObject WeaponModel { get; set; }
    }

    /// <summary>
    /// We define Weapon as a POCO ( a Plain Old Class Object ). This way, we're more concerned about the data than the object.
    /// It needs to honour the IWeapon interface.
    /// </summary>
    public class Weapon : IWeapon
    {
        public string Name { get; set; }
        public int Accuracy { get; set; }
        public int Damage { get; set; }
        public JeffreyStephens.ElementType Element { get; set; }
        public GameObject WeaponModel { get; set; }
    }

    public class WeaponManager : MonoBehaviour
    {
        // This dictionary is the local store for the WeaponManager isntance. Kind of like a local database.
        private Dictionary<string, IWeapon> WeaponsList;

        public WeaponManager ( )
        {
            WeaponsList = new Dictionary<string, IWeapon> ( );
        }

        // Add a weapon to our dictionary, by passing a weapon name, and a weapon.
        public bool AddWeapon ( string weaponName, IWeapon weapon )
        {
            if ( WeaponsList.ContainsKey ( weaponName ) ) return false;
            if ( string.IsNullOrEmpty ( weapon.Name ) ) weapon.Name = weaponName;
            WeaponsList.Add ( weaponName, weapon );
            return true;
        }

        // Get a weapon from the dictionary.
        public IWeapon GetWeapon ( string weaponName )
        {
            return WeaponsList [ weaponName ];
        }

        // We may want to remove a weapon from the collection of weapons.
        public bool RemoveWeapon ( string weaponName )
        {
            return WeaponsList.Remove ( weaponName );
        }

        // We can use this later to move through the weapons list. Untested.
        public IEnumerator GetEnumerator ( )
        {
            return WeaponsList.GetEnumerator ( );
        }
    }
}