using System;
using System.Collections.Generic;
using ShiroginSDK.Runtime.Modules.UI.Theme.Enums;
using UnityEngine;

namespace ShiroginSDK.Runtime.Modules.UI.Theme.Scripts.SO
{
    /// <summary>
    ///     Defines a set of themed sprites for one visual profile (e.g. Default, Dark, Halloween).
    /// </summary>
    [CreateAssetMenu(fileName = "ThemeProfile", menuName = "ShiroginSDK/Theme/Theme Profile")]
    public class ThemeProfile : ScriptableObject
    {
        [Header("Theme Info")]
        public string ThemeName = "Default";

        [SerializeField]
        private List<ThemeEntry> entries = new();

        private Dictionary<ThemeAssetType, Sprite> _cache;

        /// <summary>
        ///     Returns a sprite associated with the given asset type.
        /// </summary>
        public Sprite GetSprite(ThemeAssetType type)
        {
            if (_cache == null)
            {
                _cache = new Dictionary<ThemeAssetType, Sprite>();
                foreach (var entry in entries)
                    if (!_cache.ContainsKey(entry.Type))
                        _cache.Add(entry.Type, entry.Sprite);
            }

            return _cache.TryGetValue(type, out var sprite) ? sprite : null;
        }

        [Serializable]
        public class ThemeEntry
        {
            public ThemeAssetType Type;
            public Sprite Sprite;
        }
    }
}