using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Timers;
using GTANetworkAPI;
using Microsoft.Extensions.Logging;
using ReallifeGamemode.Database.Entities;
using ReallifeGamemode.Database.Models;
using ReallifeGamemode.Server.Extensions;
using ReallifeGamemode.Server.Inventory.Interfaces;
using ReallifeGamemode.Server.Inventory.Items;
using ReallifeGamemode.Server.Services;
using ReallifeGamemode.Server.Util;

namespace ReallifeGamemode.Server.Managers
{
  public class HanfManager : BaseScript
  {
    /// <summary>
    /// Punkte zum Samen kaufen
    /// </summary>
    private readonly static List<Vector3> _seedsBuyPoints = new List<Vector3>();

    /// <summary>
    /// Aktueller Samen-Preis
    /// </summary>
    public static int SEED_PRICE = 50;

    /// <summary>
    /// Wie viele Joints man aus einem Cannabis bekommt
    /// </summary>
    public static int CANNABIS_TO_JOINT_RATIO = 3;

    /// <summary>
    /// Flag, ob der Verarbeiter aktuell benutzt wird
    /// </summary>
    private static bool _manufacturerCurrentlyUsed = false;

    /// <summary>
    /// Marihuana -> Joint
    /// </summary>
    private readonly static Vector3 _jointManufacturerPoint = new Vector3(-127.726105, 1921.5142, 197.31104);

    /// <summary>
    /// Animations-ID des Verarbeitens
    /// </summary>
    private const string _manufacturerAnim = "manufacturJoint";

    private static Timer _manufacturerDoneTimer = new Timer(TimeSpan.FromSeconds(10).TotalMilliseconds);

    static HanfManager()
    {
      _manufacturerDoneTimer.Elapsed += ManufacturerDoneTimerCallback;
    }

    /// <summary>
    /// Ladefunktion zum 
    /// </summary>
    public static void Load()
    {
      _seedsBuyPoints.Add(new Vector3(-30.21876, -585.3222, 17.917326));
      _seedsBuyPoints.Add(new Vector3(-680.89386, -634.6783, 25.29923));
      _seedsBuyPoints.Add(new Vector3(-1310.743, -608.9064, 29.382874));
      _seedsBuyPoints.Add(new Vector3(-758.6156, -1595.2686, 6.302392));
      _seedsBuyPoints.Add(new Vector3(-441.0504, 1595.4435, 358.4195));

      ColShape colShape = null;

      foreach (Vector3 buyPoint in _seedsBuyPoints)
      {
        colShape = NAPI.ColShape.CreateSphereColShape(buyPoint, 20.0f);
        colShape.OnEntityEnterColShape += OnSeedBuyRangeColShapeEnter;
      }
    }

    private static void OnSeedBuyRangeColShapeEnter(ColShape colShape, Player player)
    {
      ChatService.SendMessage(player, $"Fremder sagt: Pssst.. Willst paar Samen erwerben?");
    }

    internal static bool IsPlayerNearSeedBuyPoint(Player player)
    {
      return _seedsBuyPoints.Any(p => player.Position.DistanceTo(p) <= 2.5f);
    }

    internal static bool IsPlayerNearJointManufacturer(Player player)
    {
      return _jointManufacturerPoint.DistanceTo(player.Position) <= 2.5f;
    }

    [RemoteEvent("CLIENT:Hanf_BuySeeds")]
    public void HanfManagerBuySeeds(Player player, int amount)
    {
      if (!player.IsLoggedIn())
      {
        return;
      }

      using var dbContext = new DatabaseContext();
      var user = player.GetUser(dbContext);

      IItem seedItem = InventoryManager.GetItem<CannabisSeeds>();
      var newAmount = seedItem.Gewicht * amount;

      if (!InventoryManager.CanPlayerHoldMoreWeight(player, newAmount))
      {
        player.TriggerEvent("~r~So viele Samen passen nicht mehr in deine Hosentasche");
        return;
      }

      var price = amount * SEED_PRICE;

      if (user.Handmoney < price)
      {
        player.SendNotification("~r~Du hast nicht genug Geld dafür");
        return;
      }

      logger.LogInformation("Player {0} bought {1} cannabis seeds for {2} dollars (price per seed: {3})", player.Name, amount, price, SEED_PRICE); // <-- WICHTIG LOGS

      user.Handmoney -= price;
      dbContext.SaveChanges();

      InventoryManager.AddItemToInventory(player, seedItem.Id, amount);

      player.SendNotification($"Du hast {amount} Hanfsamen gekauft");
    }

    internal static void BuildJointsFromCannabis(Player player)
    {
      if(player.HasAnimation(_manufacturerAnim) || _manufacturerCurrentlyUsed)
      {
        return;
      }

      using var dbContext = new DatabaseContext();
      var user = player.GetUser(dbContext);
      var userItems = InventoryManager.GetUserItems(player, dbContext);

      IItem cannabisItem = InventoryManager.GetItem<Cannabis>();
      IItem jointItem = InventoryManager.GetItem<Joint>();

      var addWeight = jointItem.Gewicht * CANNABIS_TO_JOINT_RATIO - cannabisItem.Gewicht;

      if (!InventoryManager.CanPlayerHoldMoreWeight(player, addWeight))
      {
        player.SendNotification("~r~Für die Verarbeitung hast du nicht genug Platz im Rucksack");
        return;
      }

      UserItem userCannabisItem = userItems.Where(i => i.ItemId == cannabisItem.Id).FirstOrDefault();
      if (userCannabisItem == null)
      {
        player.SendNotification("~r~Du hast kein Cannabis dabei");
        return;
      }

      _manufacturerCurrentlyUsed = true;
      _manufacturerDoneTimer.Start();

      player.SyncAnimation(_manufacturerAnim);

      InventoryManager.RemoveUserItem(user, userCannabisItem, 1);
      InventoryManager.AddItemToInventory(player, jointItem.Id, CANNABIS_TO_JOINT_RATIO);

      player.SendNotification($"Du hast 1 Cannabis in {CANNABIS_TO_JOINT_RATIO} Joints verarbeitet");

      NAPI.ClientEvent.TriggerClientEventInRange(player.Position, 100.0f, "SERVER:Hanf_PlayManufacturerAnim", _manufacturerAnim);
    }

    private static void ManufacturerDoneTimerCallback(object sender, EventArgs args)
    {
      _manufacturerDoneTimer.Stop();
      _manufacturerCurrentlyUsed = false;
    }
  }
}