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

namespace skydiveLogs_api.Infrastructure
{
    public class AircraftRepository : IAircraftRepository
    {
        #region Public Constructors

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

        #endregion Public Constructors

        #region Public Methods

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

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

            return result;
        }

        /// <summary>
        /// Retrieves all aircraft from the database
        /// </summary>
        /// <returns>A collection of all aircraft instances</returns>
        public IEnumerable<Aircraft> GetAll()
        {
            return _col.FindAll().ToList();
        }

        /// <summary>
        /// Retrieves an aircraft by its unique identifier
        /// </summary>
        /// <param name="id">The unique identifier of the aircraft</param>
        /// <returns>The aircraft instance or null if not found</returns>
        public Aircraft GetById(int id)
        {
            return _col.FindById(new BsonValue(id));
        }

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

        /// <summary>
        /// Updates an existing aircraft in the database
        /// </summary>
        /// <param name="aircraft">The aircraft instance to update</param>
        /// <returns>True if the update was successful, false otherwise</returns>
        public bool Update(Aircraft aircraft)
        {
            return _col.Update(aircraft);
        }

        #endregion Public Methods

        #region Private Fields

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

        #endregion Private Fields
    }
}