namespace SCHALE.Common.Database.ModelExtensions
{
    public static class AccountExtensions
    {
        public static List<CharacterDB> AddCharacters(this AccountDB account, SCHALEContext context, params CharacterDB[] characters)
        {
            foreach (var character in characters)
            {
                character.AccountServerId = account.ServerId;
                context.Characters.Add(character);
            }
            
            return [.. characters];
        }

        public static List<EquipmentDB> AddEquipment(this AccountDB account, SCHALEContext context, params EquipmentDB[] equipmentDB)
        {
            foreach (var equipment in equipmentDB)
            {
                equipment.AccountServerId = account.ServerId;

                var existingEquipment = account.Equipment.FirstOrDefault(x => x.UniqueId == equipment.UniqueId);

                if (existingEquipment != null && equipment.BoundCharacterServerId == default)
                    existingEquipment.StackCount += equipment.StackCount;
                else
                    context.Equipment.Add(equipment);
            }

            return [.. equipmentDB];
        }

        public static List<WeaponDB> AddWeapons(this AccountDB account, SCHALEContext context, params WeaponDB[] weapons)
        {
            foreach (var weapon in weapons)
            {
                weapon.AccountServerId = account.ServerId;
                context.Weapons.Add(weapon);
            }

            return [.. weapons];
        }

        public static List<ItemDB> AddItems(this AccountDB account, SCHALEContext context, params ItemDB[] items)
        {
            foreach (var item in items)
            {
                item.AccountServerId = account.ServerId;

                var existingItem = account.Items.FirstOrDefault(x => x.UniqueId == item.UniqueId);

                if (existingItem != null)
                {
                    existingItem.StackCount += item.StackCount;
                    item.ServerId = existingItem.ServerId;
                } else
                    context.Items.Add(item);

                context.SaveChanges();
            }

            return [.. items];
        }

        public static List<GearDB> AddGears(this AccountDB account, SCHALEContext context, params GearDB[] gears)
        {
            foreach (var gear in gears)
            {
                gear.AccountServerId = account.ServerId;
                context.Gears.Add(gear);

                var targetCharacter = account.Characters.FirstOrDefault(x => x.ServerId == gear.BoundCharacterServerId);
                targetCharacter.EquipmentServerIds.Add(gear.ServerId);
            }

            return [.. gears];
        }

        public static List<EchelonDB> AddEchelons(this AccountDB account, SCHALEContext context, params EchelonDB[] echelons)
        {
            foreach (var echelon in echelons)
            {
                echelon.AccountServerId = account.ServerId;
                context.Echelons.Add(echelon);
            }

            return [.. echelons];
        }

        public static List<MemoryLobbyDB> AddMemoryLobbies(this AccountDB account, SCHALEContext context, params MemoryLobbyDB[] memoryLobbies)
        {
            foreach (var lobby in memoryLobbies)
            {
                lobby.AccountServerId = account.ServerId;
                context.MemoryLobbies.Add(lobby);
            }

            return [.. memoryLobbies];
        }

        public static List<ScenarioHistoryDB> AddScenarios(this AccountDB account, SCHALEContext context, params ScenarioHistoryDB[] scenarios)
        {
            foreach (var scenario in scenarios)
            {
                scenario.AccountServerId = account.ServerId;
                context.Scenarios.Add(scenario);
            }

            return [.. scenarios];
        }

        public static List<CafeDB> AddCafes(this AccountDB account, SCHALEContext context, params CafeDB[] cafes)
        {
            foreach (var cafe in cafes)
            {
                cafe.AccountServerId = account.ServerId;
                context.Cafes.Add(cafe);
            }

            return [.. cafes];
        }

        public static List<FurnitureDB> AddFurnitures(this AccountDB account, SCHALEContext context, params FurnitureDB[] furnitures)
        {
            foreach (var furniture in furnitures)
            {
                furniture.AccountServerId = account.ServerId;
                account.Furnitures.Add(furniture);
            }

            return [.. furnitures];
        }

        public static List<FurnitureDB> RemoveFurnitures(this AccountDB account, SCHALEContext context, params FurnitureDB[] furnitures)
        {
            context.Furnitures.RemoveRange(furnitures);

            return [.. furnitures];
        }

    }
}