using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using Newtonsoft.Json;
using C4IT.LIAM;

namespace LiamTestTeams
{
    public class TreeNodeBase
    {
        public const int iconIndexUnknown = 8;

        public TreeNodeBase Parent = null;

        public virtual bool AutoResolved()
        {
            return false;
        }

        virtual public string GetInfoText()
        {
            return "";
        }

        virtual public string GetUID()
        {
            return null;
        }

        virtual public async Task<List<TreeNodeBase>> ResolveAsync(bool ResolveAlways = false)
        {
            await Task.Delay(0);
            return null;
        }

        virtual public bool IsResolved()
        {
            return true;
        }

        public virtual int ImageIndex()
        {
            return iconIndexUnknown;
        }

        public string GetJson()
        {
            var set = new JsonSerializerSettings()
            {
                Formatting = Formatting.Indented
            };

            var RetVal = JsonConvert.SerializeObject(GetJsonObject(), set);

            return RetVal;
        }

        public virtual dynamic GetJsonObject()
        {
            return null;
        }

        public virtual bool SupportPermissionAdd()
        {
            return false;
        }

        public virtual bool SupportPermissionRemoveDirect()
        {
            return false;
        }

        public virtual bool SupportPermissionRemoveByValue()
        {
            return false;
        }

        public virtual async Task<bool> AddPermission(eLiamAccessRoles Role, string Identity)
        {
            await Task.Delay(0);
            throw new InvalidOperationException($"Add permission not supported for '{this.GetType()}'");
        }

        public virtual async Task<bool> RemovePermissionByValue(eLiamAccessRoles Role, string Identity)
        {
            await Task.Delay(0);
            throw new InvalidOperationException($"Add permission not supported for '{this.GetType()}'");
        }

        public virtual async Task<bool> RemovePermissionDirect()
        {
            await Task.Delay(0);
            throw new InvalidOperationException($"Remove permission not supported for '{this.GetType()}'");
        }

        public virtual List<eLiamAccessRoles> ValidPermissionRoles()
        {
            return null;
        }

        public virtual string getLastError() { return null; }

        public virtual async Task<TreeNodeBase> LoadFromUID()
        {
            await Task.Delay(0);
            return null;
        }
    }

    public abstract class TreeNodeRoot : TreeNodeBase
    {
        public cLiamProviderData Provider;

        public TreeNodeRoot(cLiamProviderData Provider)
        {
            this.Provider = Provider;
        }

        public abstract Task<bool> LogonAsync();
    }
}