namespace AtlasUtility
{
    using UnityEditor;
    using UnityEngine;

    using System.Collections.Generic;

    public class PlatformReferenceManager
    {
        public static void SwitchPlatform(Platform toPlatform)
        {
            List<string> fromList = new List<string>();
            List<string> toList = new List<string>();

            GetFromToList(toPlatform, fromList, toList);

            ReferenceManager.ChangeReference(true, fromList, toList);
        }

        public static void GetFromToList(Platform toPlatform, List<string> fromList, List<string> toList)
        {
            List<PlatformReferenceSet> referenceSetList = PlatformReferenceTable.ReadAllLine();

            for (int i = 0; i < referenceSetList.Count; i++)
            {
                referenceSetList[i].SwitchPlatform(toPlatform, fromList, toList);
            }
        }

        public static void RemoveReference(List<string> guidList)
        {
            List<PlatformReferenceSet> platformSetList = PlatformReferenceTable.ReadAllLine();

            for (int i = 0; i < platformSetList.Count; i++)
            {
                if (guidList.Contains(platformSetList[i].MobileReference.GUID))
                {
                    platformSetList[i].MobileReference.GUID = "None";
                }

                if (guidList.Contains(platformSetList[i].DesktopReference.GUID))
                {
                    platformSetList[i].DesktopReference.GUID = "None";
                }

                if (guidList.Contains(platformSetList[i].EditorReference.GUID))
                {
                    platformSetList[i].EditorReference.GUID = "None";

                    AssetDatabase.DeleteAsset(platformSetList[i].MobileReference.Path);
                    AssetDatabase.DeleteAsset(platformSetList[i].DesktopReference.Path);
                    AssetDatabase.Refresh();
                }

                if (!platformSetList[i].Valid)
                {
                    platformSetList.RemoveAt(i--);
                }
            }

            PlatformReferenceTable.WriteAllLine(platformSetList);
        }


        public static PlatformReferenceSet GetMatchedReferenceSet(Texture2D texture)
        {
            string guid = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(texture));

            List<PlatformReferenceSet> referenceSetList = PlatformReferenceTable.ReadAllLine();

            return GetMatchedReferenceSet(guid, referenceSetList);
        }

        public static PlatformReferenceSet GetMatchedReferenceSet(string guid, List<PlatformReferenceSet> referenceSetList)
        {
            for (int i = 0; i < referenceSetList.Count; i++)
            {
                if (referenceSetList[i].MobileReference.GUID == guid || referenceSetList[i].DesktopReference.GUID == guid || referenceSetList[i].EditorReference.GUID == guid)
                {
                    return referenceSetList[i];
                }
            }

            return null;
        }
    }
}