using Glamourer.Designs;
using Glamourer.Interop.Penumbra;
using Glamourer.State;
using Newtonsoft.Json.Linq;
using OtterGui.Services;
using Penumbra.GameData.Actors;
using Penumbra.GameData.Interop;

namespace Glamourer.Services;

public class PcpService : IRequiredService
{
    private readonly Configuration      _config;
    private readonly PenumbraService    _penumbra;
    private readonly ActorObjectManager _objects;
    private readonly StateManager       _state;
    private readonly DesignConverter    _designConverter;
    private readonly DesignManager      _designManager;

    public PcpService(Configuration config, PenumbraService penumbra, ActorObjectManager objects, StateManager state,
        DesignConverter designConverter, DesignManager designManager)
    {
        _config          = config;
        _penumbra        = penumbra;
        _objects         = objects;
        _state           = state;
        _designConverter = designConverter;
        _designManager   = designManager;

        _config.AttachToPcp = !_config.AttachToPcp;
        Set(!_config.AttachToPcp);
    }

    public void CleanPcpDesigns()
    {
        var designs = _designManager.Designs.Where(d => d.Tags.Contains("PCP")).ToList();
        Glamourer.Log.Information($"[PCPService] Deleting {designs.Count} designs containing the tag PCP.");
        foreach (var design in designs)
            _designManager.Delete(design);
    }

    public void Set(bool value)
    {
        if (value == _config.AttachToPcp)
            return;

        _config.AttachToPcp = value;
        _config.Save();
        if (value)
        {
            Glamourer.Log.Information("[PCPService] Attached to PCP handling.");
            _penumbra.PcpCreated += OnPcpCreation;
            _penumbra.PcpParsed  += OnPcpParse;
        }
        else
        {
            Glamourer.Log.Information("[PCPService] Detached from PCP handling.");
            _penumbra.PcpCreated -= OnPcpCreation;
            _penumbra.PcpParsed  -= OnPcpParse;
        }
    }

    private void OnPcpParse(JObject jObj, string modDirectory, Guid collection)
    {
        Glamourer.Log.Debug("[PCPService] Parsing PCP file.");
        if (jObj["Glamourer"] is not JObject glamourer)
            return;

        if (glamourer["Version"]!.ToObject<int>() is not 1)
            return;

        if (_designConverter.FromJObject(glamourer["Design"] as JObject, true, true) is not { } designBase)
            return;

        var actorIdentifier = _objects.Actors.FromJson(jObj["Actor"] as JObject);
        if (!actorIdentifier.IsValid)
            return;

        var time = new DateTimeOffset(jObj["Time"]?.ToObject<DateTime>() ?? DateTime.UtcNow);
        var design = _designManager.CreateClone(designBase,
            $"{_config.PcpFolder}/{actorIdentifier} - {jObj["Note"]?.ToObject<string>() ?? string.Empty}", true);
        _designManager.AddTag(design, "PCP");
        _designManager.SetWriteProtection(design, true);
        _designManager.AddMod(design, new Mod(modDirectory, modDirectory), new ModSettings([], 0, true, false, false));
        _designManager.ChangeDescription(design, $"PCP design created for {actorIdentifier} on {time}.");
        _designManager.ChangeResetAdvancedDyes(design, true);
        _designManager.SetQuickDesign(design, false);
        _designManager.ChangeColor(design, _config.PcpColor);

        Glamourer.Log.Debug("[PCPService] Created PCP design.");
        if (_state.GetOrCreate(actorIdentifier, _objects.TryGetValue(actorIdentifier, out var data) ? data.Objects[0] : Actor.Null,
                out var state))
        {
            _state.ApplyDesign(state!, design, ApplySettings.Manual);
            Glamourer.Log.Debug($"[PCPService] Applied PCP design to {actorIdentifier.Incognito(null)}");
        }
    }

    private void OnPcpCreation(JObject jObj, ushort index, string path)
    {
        Glamourer.Log.Debug("[PCPService] Adding Glamourer data to PCP file.");
        var actorIdentifier = _objects.Actors.FromJson(jObj["Actor"] as JObject);
        if (!actorIdentifier.IsValid)
            return;

        if (!_state.GetOrCreate(actorIdentifier, _objects.Objects[(int)index], out var state))
        {
            Glamourer.Log.Debug($"[PCPService] Could not get or create state for actor {index}.");
            return;
        }

        var design = _designConverter.Convert(state, ApplicationRules.All);
        jObj["Glamourer"] = new JObject
        {
            ["Version"] = 1,
            ["Design"]  = design.JsonSerialize(),
        };
    }
}