using FFXIVClientStructs.FFXIV.Client.UI;
using Newtonsoft.Json;
using QuestShare.Common.API;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace QuestShare.Services
{
    internal class ShareService
    {
        internal static uint ActiveQuestId { get; set; } = 0;
        internal static byte ActiveQuestStep { get; set; } = 0;
        internal static List<SharedMember> SharedMembers = [];
        internal static List<ulong> PartyMembers = [];
        internal static bool IsGrouped { get; set; } = false;
        internal static bool IsHost { get; set; } = false;
        internal static bool IsRegistered { get; set; } = false;
        internal static bool IsMsqTracking { get; set; } = false;
        internal static string ShareCode { get; private set; } = "";
        internal static string HostedShareCode { get; private set; } = "";
        internal static string Token { get; set; } = "";

        public static void Initialize()
        {
            Addons.AddonPartyList.OnMemberCountChanged += OnPartyChanged;
            ClientState.Login += OnLogin;
            ClientState.Logout += OnLogout;
        }

        public static void Dispose()
        {
            OnLogout(0,0);
            Addons.AddonPartyList.OnMemberCountChanged -= OnPartyChanged;
            ClientState.Login -= OnLogin;
            ClientState.Logout -= OnLogout;
        }

        public static void OnLogin()
        {
            ShareCode = Plugin.Configuration.Instance.LastShareCode;
            Token = Plugin.Configuration.Instance.Token;
        }

        public static void OnLogout(int code, int state)
        {
            Plugin.Configuration.Instance.Token = Token;
            Plugin.Configuration.Instance.LastShareCode = ShareCode;
            Plugin.Configuration.Save();
            SharedMembers = [];
            PartyMembers = [];
            IsGrouped = false;
            IsHost = false;
            IsRegistered = false;
            ShareCode = "";
            HostedShareCode = "";
            Token = "";
            ActiveQuestId = 0;
            ActiveQuestStep = 0;
        }

        public static void SetShareCode(string shareCode)
        {
            ShareCode = shareCode;
        }

        public static void SetHostedShareCode(string shareCode)
        {
            HostedShareCode = shareCode;
        }

        public static void SetActiveQuest(uint questId, byte questStep)
        {
            Log.Debug($"Setting active quest to {questId} - {questStep}");
            ActiveQuestId = questId;
            ActiveQuestStep = questStep;
        }
        private static void OnPartyChanged(object? sender, EventArgs e)
        {
            var members = new List<ulong>();
            foreach (var member in PartyList)
            {
                members.Add((ulong)member.ContentId);
            }
            PartyMembers = members;
            SocketClientService.DispatchUpdate(true);
        }

        public class SharedMember
        {
            public required ulong CharacterId { get; set; }
            public string CharacterName => ResolveCharacterName(CharacterId);
            public bool IsHost { get; set; } = false;
            public bool IsMe { get; set; } = false;

        }

        public static string ResolveCharacterName(ulong characterId)
        {
            var member = SharedMembers.FirstOrDefault(m => m.CharacterId == characterId);
            if (member != null && member.CharacterName == "")
            {
                if (File.Exists(Path.Join(Plugin.PluginDataPath, "CharacterNames.json")))
                {
                    var characterNames = JsonConvert.DeserializeObject<Dictionary<ulong, string>>(File.ReadAllText(Path.Join(Plugin.PluginDataPath, "CharacterNames.json")));
                    if (characterNames != null && characterNames.ContainsKey(member.CharacterId))
                    {
                        return characterNames[member.CharacterId];
                    }
                }
                return member.CharacterName;
            }
            return "";
        }

        public static void SaveCharacterName(ulong characterId, string characterName)
        {
            if (File.Exists(Path.Join(Plugin.PluginDataPath, "CharacterNames.json")))
            {
                var characterNames = JsonConvert.DeserializeObject<Dictionary<ulong, string>>(File.ReadAllText(Path.Join(Plugin.PluginDataPath, "CharacterNames.json")));
                characterNames ??= [];
                characterNames[characterId] = characterName;
                File.WriteAllText(Path.Join(Plugin.PluginDataPath, "CharacterNames.json"), JsonConvert.SerializeObject(characterNames));
            }
            else
            {
                File.WriteAllText(Path.Join(Plugin.PluginDataPath, "CharacterNames.json"), JsonConvert.SerializeObject(new Dictionary<ulong, string> { { characterId, characterName } }));
            }
        }
    }

}