using System;
using System.Collections.Generic;
using System.Data;
using ChaosBot.Database.Entity;

namespace ChaosBot.Database.Repository
{
    public static class PointsRepository
    {
        private static readonly string Table = "PointsTable";

        public static Points[] All()
        {
            List<Points> pointsList = Points.Query().All();

            return pointsList.ToArray();
        }

        public static Points[] All(string guildId)
        {
            List<Points> pointsList = Points.Query().Where("guildId", guildId).All();

            return pointsList.ToArray();
        }


        public static int Total(string userId, string guildId)
        {
            Points userPoints = Points.Query().Where("userId", userId).Where("guildId", guildId).First();

            if (userPoints != null) 
                return userPoints.points;
            
            Points emptyUserPoints = new Points(userId, guildId, 0);
            Points.Query().Insert(emptyUserPoints);
            return 0;
        }


        public static int Count(string userId, string guildId)
        {
            return Points.Query().Where("userId", userId).Where("guildId", guildId).Count();
        }


        public static int Add(string userId, int points, string guildId)
        {
            Points userPoints = Points.Query().Where("userId", userId).Where("guildId", guildId).First();
            if (userPoints != null)
            {
                Points.Query().Where("userId", userId).Where("guildId", guildId).Set("points", userPoints.points + points).Update();
                return userPoints.points + points;

            }
            
            Points newUserPoints = new Points(userId, guildId, points);

            Points.Query().Insert(newUserPoints);
            return points;
        }

        public static int Remove(string userId, int points, string guildId)
        {
            Points userPoints = Points.Query().Where("userId", userId).Where("guildId", guildId).First();

            Points.Query().Where("userId", userId).Where("guildId", guildId).Set("points", userPoints.points - points).Update();

            return userPoints.points - points;
        }

        public static void Delete(int userId)
        {
            Points.Query().Where("userId", userId).Delete();
        }
    }
}