using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using Dalamud.Plugin;
using Dalamud.Plugin.Ipc;
using Dalamud.Plugin.Services;
using Newtonsoft.Json.Linq;

namespace QuestionableCompanion.Services;

public class AutoRetainerIPC : IDisposable
{
	private readonly IDalamudPluginInterface pluginInterface;

	private readonly IPluginLog log;

	private readonly IClientState clientState;

	private readonly ICommandManager commandManager;

	private readonly IFramework framework;

	private ICallGateSubscriber<List<ulong>>? getRegisteredCIDsSubscriber;

	private ICallGateSubscriber<ulong, object>? getOfflineCharacterDataSubscriber;

	private ICallGateProvider<string, object>? relogProvider;

	private ICallGateSubscriber<bool>? getMultiModeEnabledSubscriber;

	private ICallGateProvider<bool, object>? setMultiModeEnabledProvider;

	private Dictionary<ulong, string> characterCache = new Dictionary<ulong, string>();

	private HashSet<ulong> unknownCIDs = new HashSet<ulong>();

	private bool subscribersInitialized;

	private DateTime lastAvailabilityCheck = DateTime.MinValue;

	private const int AvailabilityCheckCooldownSeconds = 5;

	public bool IsAvailable { get; private set; }

	public AutoRetainerIPC(IDalamudPluginInterface pluginInterface, IPluginLog log, IClientState clientState, ICommandManager commandManager, IFramework framework)
	{
		this.pluginInterface = pluginInterface;
		this.log = log;
		this.clientState = clientState;
		this.commandManager = commandManager;
		this.framework = framework;
		InitializeIPC();
	}

	public void ClearCache()
	{
		characterCache.Clear();
		unknownCIDs.Clear();
		log.Information("[AutoRetainerIPC] Cache cleared");
	}

	private void InitializeIPC()
	{
		try
		{
			getRegisteredCIDsSubscriber = null;
			getOfflineCharacterDataSubscriber = null;
			relogProvider = null;
			getMultiModeEnabledSubscriber = null;
			setMultiModeEnabledProvider = null;
			IsAvailable = false;
			getRegisteredCIDsSubscriber = pluginInterface.GetIpcSubscriber<List<ulong>>("AutoRetainer.GetRegisteredCIDs");
			getOfflineCharacterDataSubscriber = pluginInterface.GetIpcSubscriber<ulong, object>("AutoRetainer.GetOfflineCharacterData");
			try
			{
				relogProvider = pluginInterface.GetIpcProvider<string, object>("AutoRetainer.Relog");
				log.Debug("[AutoRetainerIPC] Relog IPC provider initialized");
			}
			catch (Exception ex)
			{
				log.Debug("[AutoRetainerIPC] Failed to initialize Relog provider: " + ex.Message);
			}
			try
			{
				getMultiModeEnabledSubscriber = pluginInterface.GetIpcSubscriber<bool>("AutoRetainer.GetMultiModeEnabled");
				setMultiModeEnabledProvider = pluginInterface.GetIpcProvider<bool, object>("AutoRetainer.SetMultiModeEnabled");
				log.Debug("[AutoRetainerIPC] Multi-Mode IPC initialized");
			}
			catch (Exception ex2)
			{
				log.Debug("[AutoRetainerIPC] Failed to initialize Multi-Mode IPC: " + ex2.Message);
			}
			subscribersInitialized = true;
			log.Debug("[AutoRetainerIPC] IPC subscribers initialized (lazy-loading enabled)");
		}
		catch (Exception ex3)
		{
			IsAvailable = false;
			subscribersInitialized = false;
			log.Error("[AutoRetainerIPC] Failed to initialize subscribers: " + ex3.Message);
		}
	}

	private bool TryEnsureAvailable()
	{
		if (IsAvailable)
		{
			return true;
		}
		if (!subscribersInitialized)
		{
			return false;
		}
		DateTime now = DateTime.Now;
		if ((now - lastAvailabilityCheck).TotalSeconds < 5.0)
		{
			return false;
		}
		lastAvailabilityCheck = now;
		try
		{
			if (getRegisteredCIDsSubscriber == null)
			{
				return false;
			}
			List<ulong> testCids = getRegisteredCIDsSubscriber.InvokeFunc();
			if (!IsAvailable)
			{
				IsAvailable = true;
				log.Information($"[AutoRetainerIPC] ✅ AutoRetainer is now available ({testCids?.Count ?? 0} characters)");
			}
			return true;
		}
		catch (Exception ex)
		{
			log.Debug("[AutoRetainerIPC] AutoRetainer not yet available: " + ex.Message);
			IsAvailable = false;
			return false;
		}
	}

	public bool TryReinitialize()
	{
		log.Information("[AutoRetainerIPC] Manual IPC reinitialization requested");
		lastAvailabilityCheck = DateTime.MinValue;
		bool num = TryEnsureAvailable();
		if (num)
		{
			log.Information("[AutoRetainerIPC] IPC reinitialization successful");
			return num;
		}
		log.Warning("[AutoRetainerIPC] IPC still unavailable after reinitialization attempt");
		return num;
	}

	public List<string> GetRegisteredCharacters()
	{
		log.Debug("[AutoRetainerIPC] GetRegisteredCharacters called");
		TryEnsureAvailable();
		if (!IsAvailable || getRegisteredCIDsSubscriber == null)
		{
			log.Warning("[AutoRetainerIPC] Cannot get characters - IPC not available");
			log.Warning($"[AutoRetainerIPC] IsAvailable: {IsAvailable}, Subscriber: {getRegisteredCIDsSubscriber != null}");
			return new List<string>();
		}
		try
		{
			List<ulong> cids = getRegisteredCIDsSubscriber.InvokeFunc();
			if (cids == null || cids.Count == 0)
			{
				log.Warning("[AutoRetainerIPC] No CIDs returned from AutoRetainer");
				return new List<string>();
			}
			List<string> characters = new List<string>();
			foreach (ulong cid in cids)
			{
				string charName = GetCharacterNameFromCID(cid);
				if (!string.IsNullOrEmpty(charName))
				{
					characters.Add(charName);
					continue;
				}
				log.Debug($"[AutoRetainerIPC] Could not resolve name for CID: {cid}");
			}
			if (characters.Count == 0)
			{
				log.Warning("[AutoRetainerIPC] No character names could be resolved from CIDs");
			}
			return characters;
		}
		catch (Exception ex)
		{
			log.Error("[AutoRetainerIPC] GetRegisteredCharacters failed: " + ex.Message);
			log.Error("[AutoRetainerIPC] Stack trace: " + ex.StackTrace);
			return new List<string>();
		}
	}

	private string GetCharacterNameFromCID(ulong cid)
	{
		if (characterCache.TryGetValue(cid, out string cachedName))
		{
			if (cachedName.Contains("@"))
			{
				return cachedName;
			}
			log.Debug($"[AutoRetainerIPC] Removing invalid cache entry for CID {cid}: '{cachedName}'");
			characterCache.Remove(cid);
		}
		if (unknownCIDs.Contains(cid))
		{
			return $"Unknown (CID: {cid})";
		}
		if (getOfflineCharacterDataSubscriber == null)
		{
			log.Debug("[AutoRetainerIPC] OfflineCharacterData subscriber is null");
			return string.Empty;
		}
		try
		{
			object data = getOfflineCharacterDataSubscriber.InvokeFunc(cid);
			if (data == null)
			{
				if (!unknownCIDs.Contains(cid))
				{
					log.Warning($"[AutoRetainerIPC] No data returned for CID {cid}");
					unknownCIDs.Add(cid);
				}
				return $"Unknown (CID: {cid})";
			}
			string resolvedName = null;
			FieldInfo nameField = data.GetType().GetField("Name");
			FieldInfo worldField = data.GetType().GetField("World");
			if (nameField != null && worldField != null)
			{
				string name = nameField.GetValue(data)?.ToString();
				string world = worldField.GetValue(data)?.ToString();
				log.Warning($"[AutoRetainerIPC] Field values for CID {cid} - Name: '{name}', World: '{world}'");
				if (!string.IsNullOrEmpty(name) && name != "Unknown")
				{
					if (string.IsNullOrEmpty(world) && clientState.IsLoggedIn && clientState.LocalPlayer != null && clientState.LocalPlayer.Name.ToString() == name)
					{
						world = clientState.LocalPlayer.HomeWorld.Value.Name.ToString();
						log.Information("[AutoRetainerIPC] Resolved world from ClientState for " + name + ": " + world);
					}
					if (!string.IsNullOrEmpty(world))
					{
						resolvedName = name + "@" + world;
						characterCache[cid] = resolvedName;
						return resolvedName;
					}
					log.Warning($"[AutoRetainerIPC] World is empty for CID {cid}, cannot create full name");
				}
				else
				{
					log.Warning($"[AutoRetainerIPC] Name is empty/invalid for CID {cid}");
				}
			}
			PropertyInfo nameProperty = data.GetType().GetProperty("Name");
			PropertyInfo worldProperty = data.GetType().GetProperty("World");
			if (nameProperty != null && worldProperty != null)
			{
				string name2 = nameProperty.GetValue(data)?.ToString();
				string world2 = worldProperty.GetValue(data)?.ToString();
				if (!string.IsNullOrEmpty(name2) && !string.IsNullOrEmpty(world2) && name2 != "Unknown")
				{
					resolvedName = name2 + "@" + world2;
					characterCache[cid] = resolvedName;
					log.Debug($"[AutoRetainerIPC] CID {cid} resolved to {resolvedName} (via properties)");
					return resolvedName;
				}
			}
			if (data is JToken jToken)
			{
				resolvedName = ParseJTokenCharacterData(jToken, cid);
				if (!string.IsNullOrEmpty(resolvedName))
				{
					characterCache[cid] = resolvedName;
					log.Debug($"[AutoRetainerIPC] CID {cid} resolved to {resolvedName} (via JSON)");
					return resolvedName;
				}
			}
			if (!unknownCIDs.Contains(cid))
			{
				log.Warning($"[AutoRetainerIPC] Could not resolve name for CID {cid}");
				LogDataStructure(data, cid);
				unknownCIDs.Add(cid);
			}
			return $"Unknown (CID: {cid})";
		}
		catch (Exception ex)
		{
			if (!unknownCIDs.Contains(cid))
			{
				log.Warning($"[AutoRetainerIPC] Exception resolving CID {cid}: {ex.Message}");
				log.Debug("[AutoRetainerIPC] Stack trace: " + ex.StackTrace);
				unknownCIDs.Add(cid);
			}
			return $"Unknown (CID: {cid})";
		}
	}

	private string? ParseJTokenCharacterData(JToken jToken, ulong cid)
	{
		try
		{
			JToken nameToken = jToken.SelectToken("Name") ?? jToken.SelectToken("name") ?? jToken.SelectToken("Value.Name");
			JToken worldToken = jToken.SelectToken("World") ?? jToken.SelectToken("world") ?? jToken.SelectToken("Value.World");
			if (nameToken != null && worldToken != null)
			{
				string name = nameToken.Value<string>();
				string world = worldToken.Value<string>();
				if (!string.IsNullOrEmpty(name) && !string.IsNullOrEmpty(world))
				{
					return name + "@" + world;
				}
				if (!string.IsNullOrEmpty(name))
				{
					log.Warning($"[AutoRetainerIPC] JSON has Name but World is empty for CID {cid}");
				}
			}
			string[] array = new string[4] { "NameWithWorld", "nameWithWorld", "[\"NameWithWorld\"]", "Value.NameWithWorld" };
			foreach (string path in array)
			{
				if (string.IsNullOrEmpty(path))
				{
					continue;
				}
				JToken token = jToken.SelectToken(path);
				if (token != null && token.Type == JTokenType.String)
				{
					string value = token.Value<string>();
					if (!string.IsNullOrEmpty(value) && value.Contains("@"))
					{
						log.Information("[AutoRetainerIPC] Found name via JSON path '" + path + "': " + value);
						return value;
					}
				}
			}
		}
		catch (Exception ex)
		{
			log.Warning($"[AutoRetainerIPC] Error parsing JToken for CID {cid}: {ex.Message}");
		}
		return null;
	}

	private void LogDataStructure(object data, ulong cid)
	{
		try
		{
			if (data is JToken jToken)
			{
				log.Debug($"[AutoRetainerIPC] JSON structure for CID {cid}:");
				log.Debug(jToken.ToString());
				return;
			}
			PropertyInfo[] properties = data.GetType().GetProperties();
			log.Debug($"[AutoRetainerIPC] Object structure for CID {cid}:");
			foreach (PropertyInfo prop in properties.Take(10))
			{
				try
				{
					object value = prop.GetValue(data);
					log.Debug($"  {prop.Name} = {value ?? "(null)"}");
				}
				catch
				{
					log.Debug("  " + prop.Name + " = (error reading value)");
				}
			}
		}
		catch
		{
		}
	}

	public string? GetCurrentCharacter()
	{
		try
		{
			string result = null;
			framework.RunOnFrameworkThread(delegate
			{
				try
				{
					if (!clientState.IsLoggedIn)
					{
						result = null;
					}
					else if (clientState.LocalPlayer == null)
					{
						result = null;
					}
					else
					{
						string text = clientState.LocalPlayer.Name.ToString();
						string text2 = clientState.LocalPlayer.HomeWorld.Value.Name.ToString();
						if (string.IsNullOrEmpty(text) || string.IsNullOrEmpty(text2))
						{
							result = null;
						}
						else
						{
							result = text + "@" + text2;
						}
					}
				}
				catch (Exception ex2)
				{
					log.Debug("[AutoRetainerIPC] GetCurrentCharacter inner failed: " + ex2.Message);
					result = null;
				}
			}).Wait();
			return result;
		}
		catch (Exception ex)
		{
			log.Debug("[AutoRetainerIPC] GetCurrentCharacter failed: " + ex.Message);
			return null;
		}
	}

	public bool SwitchCharacter(string characterNameWithWorld)
	{
		if (string.IsNullOrEmpty(characterNameWithWorld))
		{
			log.Warning("[AutoRetainerIPC] Character name is null or empty");
			return false;
		}
		TryEnsureAvailable();
		if (!IsAvailable)
		{
			log.Warning("[AutoRetainerIPC] AutoRetainer not available");
			return false;
		}
		try
		{
			log.Information("[AutoRetainerIPC] Requesting relog to: " + characterNameWithWorld);
			string command = "/ays relog " + characterNameWithWorld;
			bool success = false;
			framework.RunOnFrameworkThread(delegate
			{
				try
				{
					commandManager.ProcessCommand(command);
					success = true;
					log.Information("[AutoRetainerIPC] Relog command executed: " + command);
				}
				catch (Exception ex2)
				{
					log.Error("[AutoRetainerIPC] Failed to execute relog command: " + ex2.Message);
					success = false;
				}
			}).Wait();
			return success;
		}
		catch (Exception ex)
		{
			log.Error("[AutoRetainerIPC] Failed to switch character: " + ex.Message);
			return false;
		}
	}

	public bool GetMultiModeEnabled()
	{
		TryEnsureAvailable();
		if (!IsAvailable || getMultiModeEnabledSubscriber == null)
		{
			log.Debug("[AutoRetainerIPC] Multi-Mode IPC not available");
			return false;
		}
		try
		{
			return getMultiModeEnabledSubscriber.InvokeFunc();
		}
		catch (Exception ex)
		{
			log.Error("[AutoRetainerIPC] GetMultiModeEnabled failed: " + ex.Message);
			return false;
		}
	}

	public bool SetMultiModeEnabled(bool enabled)
	{
		TryEnsureAvailable();
		if (!IsAvailable || setMultiModeEnabledProvider == null)
		{
			log.Warning("[AutoRetainerIPC] Multi-Mode IPC not available");
			return false;
		}
		try
		{
			setMultiModeEnabledProvider.SendMessage(enabled);
			log.Information($"[AutoRetainerIPC] Multi-Mode set to: {enabled}");
			return true;
		}
		catch (Exception ex)
		{
			log.Error("[AutoRetainerIPC] SetMultiModeEnabled failed: " + ex.Message);
			return false;
		}
	}

	public void Dispose()
	{
		IsAvailable = false;
		characterCache.Clear();
		unknownCIDs.Clear();
		log.Information("[AutoRetainerIPC] Service disposed");
	}
}