using NEG.Utils.Achievments.AchievmentTypes;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace NEG.Utils.Achievments
{
    /// <summary>
    /// Used to construct <see cref="IAchievmentBackend"/> instance
    /// </summary>
    public interface IAchievmentBackendConfig 
    {
        /// <returns>Constructed backend</returns>
        public IAchievmentBackend ConstructBackend();
    }


    public interface IAchievmentBackend : IAchievmentCallbackReciever
    {
        /// <summary>
        /// Constructs an AchievmentData for given <paramref name="definition"/>
        /// </summary>
        /// <remarks>May return null if there is no stored data for this achievment</remarks>
        AchievmentData GetStoredAchivment(AchievmentDefinition definition);

        /// <summary>
        /// Used for e.g. syncing with upstream
        /// </summary>
        void Update();
    }
}