using System.Collections.Generic;
using System.Linq;

namespace Maki
{
    internal sealed class MemberManager : BaseManager<DiscordMember>
    {
        internal MemberManager()
        {
        }

        public DiscordMember Id(ulong user)
        {
            lock (Collection)
                return Collection.Where(x => x.Server == null && x.User.Id == user).FirstOrDefault();
        }

        public DiscordMember Id(ulong server, ulong user)
        {
            lock (Collection)
                return Collection.Where(x => x.Server.Id == server && x.User.Id == user).FirstOrDefault();
        }

        public DiscordMember Id(DiscordServer server, ulong user)
        {
            lock (Collection)
                return Collection.Where(x => x.Server == server && x.User.Id == user).FirstOrDefault();
        }

        public DiscordMember Id(DiscordServer server, DiscordUser user)
        {
            lock (Collection)
                return Collection.Where(x => x.Server == server && x.User == user).FirstOrDefault();
        }

        public IEnumerable<DiscordMember> Server(DiscordServer server)
        {
            lock (Collection)
                return Collection.Where(x => x.Server == server);
        }

        public IEnumerable<DiscordMember> Role(DiscordRole role)
        {
            lock (Collection)
                return Collection.Where(x => x.HasRole(role.Id));
        }
    }
}