using Dapper;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using Npgsql;
using ProjectFuel.Entities;
using ProjectFuel.Repositories;

namespace ProjectFuel.Repositories.Implementations;

public class TripRepository : ITripRepository
{
    private readonly IConnectionString _connectionString;

    private readonly ILogger<TripRepository> _logger;

    public TripRepository(IConnectionString connectionString, ILogger<TripRepository> logger)
    {
        _connectionString = connectionString;
        _logger = logger;
    }
    public void CreateTrip(Trip trip)
    {
        _logger.LogInformation("Добавление объекта");
        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(trip));

        try
        {
            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
            connection.Open();
            using var transaction = connection.BeginTransaction();
            var queryInsert = @"
                INSERT INTO Trip (Start_Date, End_Date, Shift, Fuel_Consumption, Car_ID, Driver_ID)
                VALUES (@Start_Date, @End_Date, @Shift, @Fuel_Consumption, @Car_ID, @Driver_ID);
                SELECT MAX(Trip_ID) FROM Trip";
            var tripId = connection.QueryFirst<int>(queryInsert, trip, transaction);
            var querySubInsert = @"
                INSERT INTO Trip_Route (Trip_ID, Route_ID)
                VALUES (@tripId, @Route_ID)";
            foreach (var elem in trip.Routes)
            {
                connection.Execute(querySubInsert, new
                {
                    tripId,
                    elem.Route_ID
                }, transaction);
            }
            transaction.Commit();
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "Ошибка при добавлении объекта");
            throw;
        }
    }
    

    public IEnumerable<Trip> ReadTrips(DateTime? dateFrom = null, DateTime? dateTo = null, int? carId = null, int? driverId = null, int? routeId = null)
    {
        _logger.LogInformation("Получение всех объектов");
        try
        {
            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
            var querySelect = "SELECT * FROM Trip";
            var trips = connection.Query<Trip>(querySelect);
            _logger.LogDebug("Полученные объекты: {json}",
            JsonConvert.SerializeObject(trips));
            return trips;
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "Ошибка при чтении объектов");
            throw;
        }
    }
}