using System.Collections.Generic;
using System.IO;
using System.Reflection;
using System.Runtime.CompilerServices;
using BepInEx;
using crecheng.DSPModSave;
using NebulaAPI;
using NebulaAPI.Interfaces;

namespace Dustbin;

[BepInPlugin(PluginInfo.PLUGIN_GUID, PluginInfo.PLUGIN_NAME, PluginInfo.PLUGIN_VERSION)]
[BepInDependency(DSPModSavePlugin.MODGUID)]
[BepInDependency(NebulaModAPI.API_GUID, BepInDependency.DependencyFlags.SoftDependency)]
public class Dustbin : BaseUnityPlugin, IModCanSave, IMultiplayerMod
{
    public string Version => PluginInfo.PLUGIN_VERSION;

    public new static readonly BepInEx.Logging.ManualLogSource Logger =
        BepInEx.Logging.Logger.CreateLogSource(PluginInfo.PLUGIN_NAME);

    private static readonly int[] SandsFactors = new int[12001];

    public bool CheckVersion(string hostVersion, string clientVersion)
    {
        return hostVersion.Equals(clientVersion);
    }

    private void Awake()
    {
        var storageDustbin = Config.Bind("General", "StorageDustbin", true, "Can turn storages into dustbins").Value;
        var tankDustbin = Config.Bind("General", "TankDustbin", true, "Can turn tanks into dustbins").Value;
        var belgSignalDustbin = Config.Bind("General", "BeltSignalDustbin", true, "Add belt signal as dustbin").Value;
        var sandsFactorsStr = Config.Bind("General", "SandsFactors", "", "Soil piles get from different items\nFormat: id1:value1|id2:value2|...").Value;
        foreach (var s in sandsFactorsStr.Split('|'))
        {
            var sp = s.Split(':');
            if (sp.Length < 2) continue;
            if (!int.TryParse(sp[0], out var id) || id > 12000) continue;
            if (!int.TryParse(sp[1], out var factor)) continue;
            SandsFactors[id] = factor;
        }
        if (storageDustbin) StoragePatch.Enable(true);
        if (tankDustbin) TankPatch.Enable(true);
        if (belgSignalDustbin) BeltSignal.Enable(true);

        if (!BepInEx.Bootstrap.Chainloader.PluginInfos.ContainsKey("dsp.nebula-multiplayer") || (!storageDustbin && !tankDustbin)) return;
        NebulaModAPI.RegisterPackets(Assembly.GetExecutingAssembly());
        NebulaModAPI.OnPlanetLoadFinished += RequestPlanetDustbinData;
    }
    
    private void OnDestroy()
    {
        TankPatch.Enable(false);
        StoragePatch.Enable(false);
        BeltSignal.Enable(false);
        NebulaModAPI.OnPlanetLoadFinished -= RequestPlanetDustbinData;
    }

    [MethodImpl(MethodImplOptions.AggressiveInlining)]
    public static int CalcGetSands(int itemId, int count)
    {
        var sandsPerItem = itemId <= 12000 ? Dustbin.SandsFactors[itemId] : 0;
        if (sandsPerItem <= 0) return count;
        var player = GameMain.mainPlayer;
        var addCount = count * sandsPerItem;
        player.sandCount += addCount;
        return count;
    }

    #region IModCanSave 
    private const ushort ModSaveVersion = 1;

    public void Export(BinaryWriter w)
    {
        w.Write(ModSaveVersion);
        StoragePatch.Export(w);
        TankPatch.Export(w);
    }

    public void Import(BinaryReader r)
    {
        var version = r.ReadUInt16();
        if (version <= 0) return;
        StoragePatch.Import(r);
        TankPatch.Import(r);
    }

    public void IntoOtherSave()
    {
    }
    #endregion

    #region IMultiplayerMod
    public static byte[] ExportData(PlanetFactory factory)
    {
        var planetId = factory.planetId;
        var storageIds = new List<int>();
        var tankIds = new List<int>();

        var factoryStorage = factory.factoryStorage;
        var storagePool = factoryStorage.storagePool;
        for (var i = 1; i < factoryStorage.storageCursor; i++)
        {
            var storage = storagePool[i];
            if (storage == null || storage.id != i) continue;
            if (storage.IsDustbin)
                storageIds.Add(i);
        }

        var tankPool = factoryStorage.tankPool;
        for (var i = 1; i < factoryStorage.tankCursor; i++)
        {
            ref var tank = ref tankPool[i];
            if (tank.id != i) continue;
            if (tank.IsDustbin)
                tankIds.Add(i);
        }

        using var p = NebulaModAPI.GetBinaryWriter();
        using var w = p.BinaryWriter;
        w.Write(planetId);
        w.Write(storageIds.Count);
        foreach (var storageId in storageIds)
            w.Write(storageId);
        w.Write(tankIds.Count);
        foreach (var tankId in tankIds)
            w.Write(tankId);
        return p.CloseAndGetBytes();
    }

    public static void ImportData(byte[] bytes)
    {
        using var p = NebulaModAPI.GetBinaryReader(bytes);
        using var r = p.BinaryReader;
        var planetId = r.ReadInt32();
        var factory = GameMain.galaxy.PlanetById(planetId)?.factory;
        if (factory == null) return;

        var factoryStorage = factory.factoryStorage;
        var count = r.ReadInt32();
        var storagePool = factoryStorage.storagePool;
        var cursor = factoryStorage.storageCursor;
        for (var i = 1; i < cursor; i++)
        {
            var storage = storagePool[i];
            if (storage == null || storage.id != i) continue;
            storage.IsDustbin = false;
        }

        for (var i = 0; i < count; i++)
        {
            var id = r.ReadInt32();
            storagePool[id].IsDustbin = true;
        }

        count = r.ReadInt32();
        var tankPool = factoryStorage.tankPool;
        cursor = factoryStorage.tankCursor;
        for (var i = 1; i < cursor; i++)
        {
            ref var tank = ref tankPool[i];
            if (tank.id != i) continue;
            tank.IsDustbin = false;
        }

        for (var i = 0; i < count; i++)
        {
            var id = r.ReadInt32();
            if (id >= cursor) continue;
            ref var tank = ref tankPool[id];
            if (tank.id != id) continue;
            tank.IsDustbin = true;
        }
    }

    public void RequestPlanetDustbinData(int planetId)
    {
        if (NebulaModAPI.IsMultiplayerActive && NebulaModAPI.MultiplayerSession.IsClient)
            NebulaModAPI.MultiplayerSession.Network.SendPacket(new NebulaSupport.Packet.ToggleEvent(planetId, 0, false));
    }
    #endregion
}