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

namespace ChaosBot.Database.Repository
{
    public static class RaffleRepository
    {
        private static readonly string Table = "RaffleTable"; 
        
        public static Raffle[] all()
        { 
            DataTable dataTable = Controller.SelectQuery(Table);
            
            List<Raffle> raffles = new List<Raffle>();
            foreach (DataRow row in dataTable.Rows)
            {
                int id = Convert.ToInt32((long) row["id"]);
                string userId = row["userId"].ToString();
                
                raffles.Add(new Raffle(id, userId));
            }

            return raffles.ToArray();
        } 
        
        public static int count()
        { 
            DataTable dataTable = Controller.SelectQuery(Table, "COUNT(*)");

            return Convert.ToInt32(dataTable.Rows[0]["COUNT(*)"]);
        }
        
        public static int count(string userId)
        { 
            Dictionary<string, object> filterDict = new Dictionary<string, object>();
            filterDict.Add("userId", userId);
            
            DataTable dataTable = Controller.SelectQuery(Table, "COUNT(*)", filterDict);

            return Convert.ToInt32(dataTable.Rows[0]["COUNT(*)"]);
        }
        
        public static Raffle[] selectUser(string userId)
        { 
            Dictionary<string, object> filterDict = new Dictionary<string, object>();
            filterDict.Add("userId", userId);
            
            DataTable dataTable = Controller.SelectQuery(Table, filterColumns: filterDict);
            
            List<Raffle> raffles = new List<Raffle>();
            foreach (DataRow row in dataTable.Rows)
            {
                int id = Convert.ToInt32((long) row["id"]);
                string userIdFetch = row["userId"].ToString();
                
                raffles.Add(new Raffle(id, userIdFetch));
            }

            return raffles.ToArray();
        }

        public static void insert(Raffle raffle)
        {
            Dictionary<string, object> dict = new Dictionary<string, object>();
            
            dict.Add("userId", raffle.userId);
            
            Controller.InsertQuery(Table, dict);
        }

        public static void massInsert(List<Raffle> raffles)
        {
            foreach (var raf in raffles)
            {
                Dictionary<string, object> dict = new Dictionary<string, object>();

                dict.Add("userId", raf.userId);
                Controller.InsertQuery(Table, dict);
            }
        }

        public static Raffle PickRandom()
        {
            DataTable dataTable = Controller.SelectQuery(Table, "*", orderByKey: "RANDOM()");

            if (dataTable.Rows.Count == 0) return null;
            DataRow row = dataTable.Rows[0];
            int idFetch = Convert.ToInt32((long)row["id"]);
            string userIdFetch = row["userId"].ToString();
            return new Raffle(idFetch, userIdFetch);
        }

        // public static void delete()
        // {
        //     
        // }
    }
}