using System;
using System.Collections.Generic;
using System.Linq;
using GTANetworkAPI;
using Newtonsoft.Json;
using reallife_gamemode.Model;
using reallife_gamemode.Server.Entities;
using reallife_gamemode.Server.Events;
using reallife_gamemode.Server.Extensions;
using reallife_gamemode.Server.Services;
using reallife_gamemode.Server.Util;

/**
* @overview Life of German Reallife - Admin Commands (Admin.cs)
* @author VegaZ, hydrant
* @copyright (c) 2008 - 2018 Life of German
*/

namespace reallife_gamemode.Server.Commands
{
    public class Admin : Script
    {
        [Command("o", "~m~Benutzung: ~s~/o [Nachricht]", GreedyArg = true)]
        public void CmdAdminO(Client player, string message)
        {
            if (!player.GetUser()?.IsAdmin(AdminLevel.SUPPORTER) ?? true)
            {
                ChatService.NotAuthorized(player);
                return;
            }

            string publicMessage = "~b~(( " + player.Name + ": " + message + " ))";
            NAPI.Chat.SendChatMessageToAll(publicMessage);
        }

        [Command("veh", "~m~Benutzung: ~s~/veh [Fahrzeug] (Farbe 1) (Farbe 2)")]
        public void CmdAdminVeh(Client player, VehicleHash hash, int color1 = 111, int color2 = 111)
        {
            if (!player.GetUser()?.IsAdmin(AdminLevel.ADMIN) ?? true)
            {
                ChatService.NotAuthorized(player);
                return;
            }

            if (player.IsInVehicle) // Man darf keine Autos erstellen, wenn man selbst in einem sitzt (verhindert Bugs)
            {
                player.SendChatMessage("~r~[FEHLER]~s~ Du sitzt momentan schon in einem Fahrzeug.");
                return;
            }

            Vehicle v = NAPI.Vehicle.CreateVehicle(hash, player.Position, player.Rotation.Z, color1, color2);

            player.SetIntoVehicle(v.Handle, -1);
        }

        [Command("fixveh")]
        public void CmdAdminFixveh(Client player)
        {
            if (!player.GetUser()?.IsAdmin(AdminLevel.ADMIN) ?? true)
            {
                ChatService.NotAuthorized(player);
                return;
            }

            if (!player.IsInVehicle) // Man darf keine Autos erstellen, wenn man selbst in einem sitzt (verhindert Bugs)
            {
                player.SendChatMessage("~r~[FEHLER]~s~ Du sitzt momentan nicht in einem Fahrzeug.");
                return;
            }

            player.Vehicle.Repair();
        }

        [Command("delveh")]
        public void CmdAdminDelveh(Client player)
        {
            if (!player.GetUser()?.IsAdmin(AdminLevel.ADMIN) ?? true)
            {
                ChatService.NotAuthorized(player);
                return;
            }

            if (!player.IsInVehicle) // Man darf keine Autos erstellen, wenn man selbst in einem sitzt (verhindert Bugs)
            {
                player.SendChatMessage("~r~[FEHLER]~s~ Du sitzt momentan nicht in einem Fahrzeug.");
                return;
            }

            /* TODO: Checken, ob das Fahrzeug in einem System genutzt wird (Fraktions-Autos / Spieler-Auto)
             * Wenn Ja: Abbrechen und mitteilen, dass man den System-spezifischen Befehl zu nutzen hat */

            player.Vehicle.Delete();
        }

        [Command("goto", "~m~Benutzung: ~s~/goto [Name]")]
        public void CmdAdminGoto(Client player, string name)
        {
            if (!player.GetUser()?.IsAdmin(AdminLevel.SUPPORTER) ?? true)
            {
                ChatService.NotAuthorized(player);
                return;
            }

            Client target = ClientService.GetClientByName(name);

            if (target == null)
            {
                ChatService.PlayerNotFound(player);
                return;
            }

            player.Position = target.Position;
        }

        [Command("gotoxyz", "~m~Benutzung: ~s~/gotoxyz [X] [Y] [Z]")]
        public void CmdAdminGotoxyz(Client player, float x, float y, float z)
        {
            if (!player.GetUser()?.IsAdmin(AdminLevel.ADMIN) ?? true)
            {
                ChatService.NotAuthorized(player);
                return;
            }

            player.Position = new Vector3(x, y, z);
        }

        [Command("gethere", "~m~Benutzung: ~s~/goto [Name]")]
        public void CmdAdminGethere(Client player, string name)
        {
            if (!player.GetUser()?.IsAdmin(AdminLevel.SUPPORTER) ?? true)
            {
                ChatService.NotAuthorized(player);
                return;
            }

            Client target = ClientService.GetClientByName(name);

            if (target == null)
            {
                ChatService.PlayerNotFound(player);
                return;
            }

            target.Position = player.Position;
        }

        [Command("ipl", "~m~Benutzung: ~s~/ipl [Load / Remove] [Name]")]
        public void CmdAdminIpl(Client player, string option, string name)
        {
            if (!player.GetUser()?.IsAdmin(AdminLevel.ADMIN) ?? true)
            {
                ChatService.NotAuthorized(player);
                return;
            }

            option = option.ToLower();

            if (option == "load")
            {
                NAPI.World.RequestIpl(name);
                player.SendChatMessage("~g~Das IPL ~s~" + name + " ~g~wurde erfolgreich geladen");
            }
            else if (option == "remove")
            {
                NAPI.World.RemoveIpl(name);
                player.SendChatMessage("~g~Das IPL ~s~" + name + " ~g~wurde erfolgreich entladen");
            }
            else
            {
                player.SendChatMessage("~m~Benutzung: ~s~/ipl [Load / Remove] [Name]");
            }
        }

        [Command("giveweapon", "~m~Benutzung: ~s~/giveweapon [Spieler] [Waffe] [Munition]")]
        public void CmdAdminGiveweapon(Client player, string name, string weapon, int ammo)
        {
            if (!player.GetUser()?.IsAdmin(AdminLevel.ADMIN) ?? true)
            {
                ChatService.NotAuthorized(player);
                return;
            }

            if (ammo <= 0)
            {
                player.SendChatMessage("~r~[FEHLER]~s~ Es muss mindestens 1 Munition vergeben werden.");
                return;
            }

            Client target = ClientService.GetClientByName(name);
            if (target == null)
            {
                ChatService.PlayerNotFound(target);
                return;
            }

            WeaponHash wHash = NAPI.Util.WeaponNameToModel(weapon);

            if (wHash == default(WeaponHash))
            {
                player.SendChatMessage("~r~[FEHLER]~s~ Diese Waffe existiert nicht.");
                return;
            }

            target.GiveWeapon(wHash, ammo);
        }

        [Command("factionlist", "~m~Benutzung: ~s~/factionlist")]
        public void CmdAdminFactionlist(Client player)
        {
            if (!player.GetUser()?.IsAdmin(AdminLevel.ADMIN) ?? true)
            {
                ChatService.NotAuthorized(player);
                return;
            }

            using(var dbContext = new DatabaseContext())
            {
                player.SendChatMessage("~m~__________ ~s~Fraktionen ~m~__________");
                foreach(Entities.Faction f in dbContext.Factions)
                {
                    player.SendChatMessage(f.Id.ToString().PadRight(3) + " | " + f.Name);
                }
            }
        }

        [Command("ainvite", "~m~Benutzung: ~s~/ainvite [Name] [Fraktion]")]
        public void CmdAdminAinvite(Client player, string name, int faction)
        {
            if (!player.GetUser()?.IsAdmin(AdminLevel.ADMIN) ?? true)
            {
                ChatService.NotAuthorized(player);
                return;
            }

            Client target = ClientService.GetClientByName(name);
            if (target == null)
            {
                ChatService.PlayerNotFound(player);
                return;
            }

            using (var dbContext = new DatabaseContext())
            {
                Entities.Faction f = dbContext.Factions.FirstOrDefault(x => x.Id == faction);
                if (f == null && faction != 0)
                {
                    player.SendChatMessage("~r~[FEHLER]~s~ Diese Fraktion existiert nicht (Liste: ~m~/factionlist).");
                    return;
                }

                User u = dbContext.Users.SingleOrDefault(x => x.Name == target.Name);

                if (faction != 0)
                {
                    u.FactionId = f.Id;
                    u.FactionRankId = dbContext.FactionRanks.
                        OrderBy(x => x.Order)
                        .FirstOrDefault(r => r.FactionId == f.Id)?.Id ?? null;

                    player.SendChatMessage("~b~[ADMIN]~s~ Du hast hast den Spieler ~y~" + target.Name + "~s~ administrativ in die Fraktion ~o~" + f.Name + "~s~ eingeladen.");
                    target.SendChatMessage("~b~[ADMIN]~s~ Du wurdest von ~y~" + player.Name + "~s~ administrativ in die Fraktion ~o~" + f.Name + "~s~ eingeladen.");
                }
                else
                {
                    u.FactionId = null;
                    u.FactionRankId = null;
                    player.SendChatMessage("~b~[ADMIN]~s~ Du hast hast den Spieler ~y~" + target.Name + "~s~ administrativ aus seiner Fraktion geworfen.");
                    target.SendChatMessage("~b~[ADMIN]~s~ Du wurdest von ~y~" + player.Name + "~s~ administrativ aus deiner Fraktion geworfen.");
                }
                
                u.FactionLeader = false;

                dbContext.SaveChanges();
            }
        }

        [Command("makeleader", "~m~Benutzung: ~s~/makeleader [Name] [Fraktion]")]
        public void CmdAdminMakeleader(Client player, string name, int faction)
        {
            if (!player.GetUser()?.IsAdmin(AdminLevel.ADMIN) ?? true)
            {
                ChatService.NotAuthorized(player);
                return;
            }

            Client target = ClientService.GetClientByName(name);
            if (target == null)
            {
                ChatService.PlayerNotFound(player);
                return;
            }

            using (var dbContext = new DatabaseContext())
            {
                Entities.Faction f = dbContext.Factions.FirstOrDefault(x => x.Id == faction);
                if (f == null)
                {
                    player.SendChatMessage("~r~[FEHLER]~s~ Diese Fraktion existiert nicht (Liste: ~m~/factionlist).");
                    return;
                }

                User u = dbContext.Users.SingleOrDefault(x => x.Name == target.Name);
                
                u.FactionId = f.Id;
                u.FactionRankId = dbContext.FactionRanks.
                    OrderByDescending(x => x.Order)
                    .FirstOrDefault(r => r.FactionId == f.Id)?.Id ?? null;
                u.FactionLeader = true;

                player.SendChatMessage("~b~[ADMIN]~s~ Du hast hast den Spieler ~y~" + target.Name + "~s~ zum Leader der Fraktion Fraktion ~o~" + f.Name + "~s~ ernannt.");
                target.SendChatMessage("~b~[ADMIN]~s~ Du wurdest von ~y~" + player.Name + "~s~ zum Leader der Fraktion ~o~" + f.Name + "~s~ ernannt.");

                dbContext.SaveChanges();
            }
        }

        [Command("save", "~m~Benutzung: ~s~/save [Typ = ~g~Blip, ~r~Marker, Ped, Pickup, TextLabel, ~g~Vehicle")]
        public void CmdAdminSave(Client player, string typ)
        {
            switch (typ)
            {
                case "Blip":
                    player.TriggerEvent("saveBlip");
                    break;
                case "Ped":

                    break;
                case "Vehicle":
                    if (player.IsInVehicle)
                    {
                        Vehicle vehicle = player.Vehicle;
                        SaveData.SaveVehicleData((VehicleHash) vehicle.Model, vehicle.Position, vehicle.Heading, vehicle.NumberPlate,
                            Convert.ToByte(vehicle.PrimaryColor), Convert.ToByte(vehicle.SecondaryColor), vehicle.Locked, vehicle.EngineStatus, Convert.ToByte(vehicle.Dimension));
                    }
                    else player.SendChatMessage("~m~Du sitzt in keinem Fahrzeug!");
                    break;
            }
        }

        [Command("managefactionranks", "~m~Benutzung: ~s~/managefactionranks [Fraktions-ID]")]
        public void CmdFactionManageFactionRanks(Client player, int factionID)
        {
            if(!player.GetUser()?.IsAdmin(AdminLevel.ADMIN) ?? true)
            {
                ChatService.NotAuthorized(player);
                return;
            }

            using (var context = new DatabaseContext())
            {
                Entities.Faction f = context.Factions.FirstOrDefault(id => id.Id == factionID);
                if (f == null)
                {
                    player.SendChatMessage("~r~[FEHLER]~s~ Diese Fraktion existiert nicht (Liste: ~m~/factionlist).");
                    return;
                }

                List<FactionRank> factionRanks = context.FactionRanks.ToList().FindAll(r => r.FactionId == f.Id).OrderByDescending(o => o.Order).ToList();
                List<Rank> rankList = new List<Rank>();

                factionRanks.ForEach(r =>
                {
                    rankList.Add(new Rank
                    {
                        Id = r.Id,
                        Name = r.RankName
                    });
                });

                FactionRankHelper helper = new FactionRankHelper
                {
                    FactionId = f.Id,
                    Ranks = rankList
                };
                string json = JsonConvert.SerializeObject(helper, Formatting.None);
                Console.WriteLine(json);
                player.TriggerEvent("manageFactionRanks", json);
            }
        }
    }
}