//
// Copyright 2014 Perforce Software Inc.
//

using Perforce.Model;
using Perforce.P4;

namespace Perforce.Helper {
    public class MetadataHelper {

        public static bool CanEdit(string path) {
            bool editable = false;
            if (!string.IsNullOrEmpty(path)) {
                var helper = Utility.GetPerforceHelper();
                helper.GetFileMetaData(path);
            }
            return editable;
        }

        public static bool CanEdit(ListingItem item) {
            if (item is FileItem) {
                return CanEdit(item as FileItem);
            } else {
                return CanEdit(item as FolderItem);
            }
        }

        public static bool CanEdit(FolderItem folder) {
            var editable = false;
            if (folder.IsMapped) {
            }
            return editable;
        }

        public static bool CanEdit(FileItem file) {
            var editable = false;
            if (file.IsMapped) {
                editable = CanEdit(file.Metadata);
            }
            return editable;
        }

        public static bool CanEdit(FileMetaData metadata) {
            var editable = false;
            if (metadata != null && metadata.IsMapped) {
                var serverLock = false;
                if (metadata.Type.Modifiers.HasFlag(FileTypeModifier.ExclusiveOpen)) {
                    if (metadata.OtherActions != null && metadata.OtherActions.Count > 0) {
                        serverLock = true;
                    }
                }
                if (!metadata.OtherLock && !serverLock) {
                    editable = true;
                }
            }
            return editable;
        }

        public static bool IsOpen(FileMetaData metadata) {
            var openable = false;

            return openable;
        }


        // check if a file can be reverted. in this case, only if the current user 
        // is editing, adding or deleting the file
        public static bool CanRevert(FileItem file) {
            var revertable = false;
            if (file.IsMapped) {
                var md = file.Metadata;
                if (md != null) {
                    if (md.Action.Equals(FileAction.Edit) ||
                        md.Action.Equals(FileAction.Add) ||
                        md.Action.Equals(FileAction.Delete)) {
                        revertable = true;
                    }
                }
            }
            return revertable;
        }

    }
}