using System.Data.OleDb;
using System.Threading.Tasks;
using Compliance.Domain.Models;

namespace Compliance.Infrastructure.Repositories
{
    public class ClientRepository(string connectionString) : IClientRepository, IDisposable
    {
        private readonly string _connectionString = connectionString;
        private bool _disposed;

        public async Task<Client?> GetClientInformationAsync(string smartCode)
        {
            using var connection = new OleDbConnection(_connectionString);
            await connection.OpenAsync();

            var query = @"SELECT * FROM Dados_cadastrais WHERE Cod_Smart_unidade = @smartCode";

            using var command = new OleDbCommand(query, connection);
            command.Parameters.AddWithValue("@smartCode", smartCode);

            using var reader = await command.ExecuteReaderAsync();
            
            if (await reader.ReadAsync())
            {
                return new Client
                {
                    SmartCode = reader["Cod_Smart_unidade"].ToString()!,
                    Name = reader["Cliente"].ToString()!,
                    Management = reader["Gestao"].ToString()!,
                    Unit = reader["Unidade"].ToString()!,
                    ConsumerGroup = reader["Grupo"].ToString()!,
                    Subgroup = reader["Subgrupo"].ToString()!,
                    SupplyVoltage = reader["Tensao"].ToString()!
                };
            }

            return null;
        }

        public void Dispose()
        {
            Dispose(true);
            GC.SuppressFinalize(this);
        }

        protected virtual void Dispose(bool disposing)
        {
            if (!_disposed)
            {
                _disposed = true;
            }
        }
    }
}