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

namespace ChaosBot.Database.Repository
{
    public static class RaffleRepository
    {
        private static readonly string Table = "RaffleTable"; 
        
        /// <summary>
        /// Fetch all <c>Raffle</c>s
        /// </summary>
        /// <returns>List of raffles</returns>
        public static Raffle[] All()
        { 
            var raffles = Raffle.Query().All();

            return raffles.ToArray();
        } 
        
        /// <summary>
        /// Fetch all <c>Raffle</c>s filtered by guildId
        /// </summary>
        /// <param name="guildId"></param>
        /// <returns>List of raffles</returns>
        public static Raffle[] All(long guildId)
        {
            var raffles = Raffle.Query().Where("guildId", guildId).All();

            return raffles.ToArray();
        } 
        
        /// <summary>
        /// Count amount of <c>Raffle</c>s
        /// </summary>
        /// <returns>Amount of raffles</returns>
        public static int Count()
        {
            return Raffle.Query().Count();
        }
        
        /// <summary>
        /// Count amount of <c>Raffle</c>s filtered by guildId
        /// </summary>
        /// <param name="guildId"></param>
        /// <returns>Amount of raffles</returns>
        public static int Count(long guildId)
        {
            return Raffle.Query().Where("guildId", guildId).Count();
        }

        /// <summary>
        /// Count amount of <c>Raffle</c>s filtered by guildId
        /// </summary>
        /// <param name="userId"></param>
        /// <param name="guildId"></param>
        /// <returns>Amount of raffles</returns>
        public static int Count(long userId, long guildId)
        {
            return Raffle.Query().Where("userId", userId).Where("guildId", guildId).Count();
        }
        
        /// <summary>
        /// Get all <c>Raffle</c>s from a user
        /// </summary>
        /// <param name="userId"></param>
        /// <returns>List of raffles</returns>
        public static Raffle[] SelectUser(long userId)
        {
            List<Raffle> raffles = Raffle.Query().Where("userId", userId).Get();
            
            return raffles.ToArray();
        }
        
        /// <summary>
        /// Get all <c>Raffle</c>s from a user filtered by guild
        /// </summary>
        /// <param name="userId"></param>
        /// <param name="guildId"></param>
        /// <returns>List of raffles</returns>
        public static Raffle[] SelectUser(long userId, long guildId)
        {
            List<Raffle> raffles = Raffle.Query().Where("userId", userId).Where("guildId", guildId).Get();

            return raffles.ToArray();
        }

        /// <summary>
        /// Insert a <c>Raffle</c> into the database
        /// </summary>
        /// <param name="raffle"></param>
        public static void Insert(Raffle raffle)
        {
            Raffle.Query().Insert(raffle);
        }

        /// <summary>
        /// Insert a <c>List</c> of <c>Raffle</c>s into the database
        /// </summary>
        /// <param name="raffles"></param>
        public static void MassInsert(List<Raffle> raffles)
        {
            foreach (var raf in raffles)
            {
                Raffle.Query().Insert(raf);
            }
        }

        /// <summary>
        /// Pick a random raffle from the database filtered to a guild
        /// </summary>
        /// <param name="guildId"></param>
        /// <returns>Random raffle</returns>
        public static Raffle PickRandom(long guildId)
        {
            return Raffle.Query().Where("guildId", guildId).OrderBy("RANDOM()").First();
        }

        /// <summary>
        /// Clear all <c>Raffle</c>s for a given guild
        /// </summary>
        /// <param name="guildId"></param>
        public static void ClearRaffle(long guildId)
        {
            Raffle.Query().Where("guildId", guildId).Delete();
        }
        
        /// <summary>
        /// Delete a <c>Raffle</c> by id
        /// </summary>
        /// <param name="id"></param>
        public static void Delete(long id)
        {
            Raffle.Query().Where("id", id).Delete();
        }
    }
}