using LiteDB;
using skydiveLogs_api.Domain;
using skydiveLogs_api.DomainService.Repositories;
using skydiveLogs_api.Infrastructure.Interfaces;
using System.Collections.Generic;

namespace skydiveLogs_api.Infrastructure
{
    public class FavoriteDropZoneRepository : IFavoriteDropZoneRepository
    {
        #region Public Constructors

        /// <summary>
        /// Initializes a new instance of the <see cref="FavoriteDropZoneRepository"/> class
        /// </summary>
        /// <param name="dataProvider">The data provider to use for data access</param>
        public FavoriteDropZoneRepository(IDataProvider dataProvider)
        {
            _dataProvider = dataProvider;
            _col = _dataProvider.CollOfFavoriteDropZone;
        }

        #endregion Public Constructors

        #region Public Methods

        /// <summary>
        /// Adds a new favorite drop zone to the database
        /// </summary>
        /// <param name="favoriteToAdd">The favorite drop zone instance to add</param>
        /// <returns>The number of rows affected (0 if insert failed)</returns>
        public int Add(FavoriteDropZone favoriteToAdd)
        {
            int result;

            try
            {
                var tmp = _col.Insert(favoriteToAdd);
                result = tmp.AsInt32;
            }
            catch
            {
                result = 0;
            }

            return result;
        }

        /// <summary>
        /// Deletes a favorite drop zone by drop zone ID and user ID
        /// </summary>
        /// <param name="dropZoneId">The unique identifier of the drop zone</param>
        /// <param name="userId">The unique identifier of the user</param>
        /// <returns>The number of rows affected (0 if delete failed)</returns>
        public int Delete(int dropZoneId, int userId)
        {
            return _col.DeleteMany(d => d.DropZone.Id == dropZoneId && d.User.Id == userId);
        }

        /// <summary>
        /// Retrieves all favorite drop zones for a specific user
        /// </summary>
        /// <param name="user">The user whose favorite drop zones to retrieve</param>
        /// <returns>A collection of favorite drop zone instances belonging to the user</returns>
        public IEnumerable<FavoriteDropZone> GetAll(User user)
        {
            return _col.Query()
                       .Where(j => j.User.Id == user.Id)
                       .ToList();
        }

        /// <summary>
        /// Retrieves all favorite drop zones from the database
        /// </summary>
        /// <returns>A collection of all favorite drop zone instances</returns>
        public IEnumerable<FavoriteDropZone> GetAll()
        {
            throw new System.NotImplementedException();
        }

        /// <summary>
        /// Retrieves a favorite drop zone by its unique identifier
        /// </summary>
        /// <param name="id">The unique identifier of the favorite drop zone</param>
        /// <returns>The favorite drop zone instance or null if not found</returns>
        public FavoriteDropZone GetById(int id)
        {
            throw new System.NotImplementedException();
        }

        /// <summary>
        /// Gets the total count of favorite drop zones in the database
        /// </summary>
        /// <returns>The total number of favorite drop zones</returns>
        public int GetCount()
        {
            throw new System.NotImplementedException();
        }

        /// <summary>
        /// Updates an existing favorite drop zone in the database
        /// </summary>
        /// <param name="updated">The favorite drop zone instance to update</param>
        /// <returns>True if the update was successful, false otherwise</returns>
        public bool Update(FavoriteDropZone updated)
        {
            throw new System.NotImplementedException();
        }

        #endregion Public Methods

        #region Private Fields

        private readonly ILiteCollection<FavoriteDropZone> _col;
        private readonly IDataProvider _dataProvider;

        #endregion Private Fields
    }
}