namespace AtlasUtility
{
    using UnityEditor;

    public class AtlasReference
    {
        #region Variable

        public string GUID;
        public string FileID;
        public string Content;

        public string DebugPath
        {
            get
            {
                int spriteIndex = (int.Parse(FileID) - 21300000) / 2;

                string assetPath = AssetDatabase.GUIDToAssetPath(GUID);

                TextureImporter textureImporter = (TextureImporter)AssetImporter.GetAtPath(assetPath);

                return $"{assetPath}/{textureImporter.spritesheet[spriteIndex].name}";
            }
        }

        #endregion

        public AtlasReference(string content)
        {
            Content = content;
            GUID = content.Split(',')[1].Split(' ')[2];
            FileID = content.Split(',')[0].Split(' ')[1];
        }

        public AtlasReference(string fileID, string guid)
        {
            Content = $"fileID: {fileID}, guid: {guid}";
            GUID = guid;
            FileID = fileID;
        }


        public override int GetHashCode()
        {
            return Content.GetHashCode();
        }

        public override bool Equals(object obj)
        {
            if (obj == null)
            {
                return false;
            }

            AtlasReference atlasReference = obj as AtlasReference;

            if (atlasReference == null)
            {
                return false;
            }

            return Content == atlasReference.Content;
        }

        public static bool operator !=(AtlasReference reference1, AtlasReference reference2)
        {
            return !reference1.Equals(reference2);
        }

        public static bool operator ==(AtlasReference reference1, AtlasReference reference2)
        {
            return reference1.Equals(reference2);
        }
    }
}