using System.Diagnostics;
using System.Linq;
using System.Collections.Generic;
using Zurnal.Date.LocalDate;
using Zurnal.Date.Repository;
using Zurnal.RemaDateBase.DateDao;
using System.Text.RegularExpressions;

namespace Zurnal.Data.Repository
{
    [DebuggerDisplay($"{{{nameof(GetDebuggerDisplay)}(),nq}}")]
    public class GroupRepositoryImpl : IGroupRepository
    {
        public List<GroupDao> AllGroup => GroupDao.Name.ToList();

        public IEnumerable<GroupDao> GetAllGroups()
        {
            return GroupDao.Name;
        }

        public void AddGroup(GroupDao group)
        {
            if (group == null)
            {
                throw new ArgumentNullException(nameof(group));
            }
            GroupDao.Name.Add(group);
        }

        public void UpdateGroupName(int groupId, string name)
        {
            var group = GroupDao.Name.FirstOrDefault(g => g.Id == groupId);
            if (group != null)
            {
                group.Name = name;
            }
        }

        public GroupDao GetGroupById(int id)
        {
            return GroupDao.groups.FirstOrDefault(g => g.Id == id);
        }

        private static string GetDebuggerDisplay()
        {
            return $"GroupRepository with {GroupDao.groups.Count} groups";
        }

        public bool RemoveGroupById(int groupId)
        {
            var group = GroupDao.groups.FirstOrDefault(g => g.Id == groupId);
            if (group != null)
            {
                GroupDao.groups.Remove(group);
                return true;
            }
            return false;
        }

        public IEnumerable<GroupDao> AllGroups()
        {
            return GroupDao.groups.Select(g => new GroupDao { GroupName = g.Name, Id = g.Id });
        }

        public bool UpdateGroupById(int groupId, GroupDao updatedGroup)
        {
            var group = GroupDao.groups.FirstOrDefault(g => g.Id == groupId);
            if (group != null)
            {
                group.Name = updatedGroup.GroupName;
                return true;
            }
            return false;
        }

        public void UpdateGroup(GroupDao group)
        {
            var existingGroup = GroupDao.groups.FirstOrDefault(g => g.Id == group.Id);
            if (existingGroup != null)
            {
                existingGroup.Name = group.GroupName;
            }
        }

        public void DeleteGroup(int id)
        {
            var group = GroupDao.groups.FirstOrDefault(g => g.Id == id);
            if (group != null)
            {
                GroupDao.groups.Remove(group);
            }
        }

        public bool AddGroup(GroupDao newGroup)
        {
            if (newGroup == null)
            {
                throw new ArgumentNullException(nameof(newGroup));
            }
            GroupDao.groups.Add(newGroup);
            return true;
        }

        public void AddGroupFromRegex(Group group)
        {
            throw new NotImplementedException();
        }

        IEnumerable<Group> IGroupRepository.AllGroups()
        {
            throw new NotImplementedException();
        }

        public void AddGroupFromRegex(Group group)
        {
            throw new NotImplementedException();
        }
    }
}