using MongoDB.Driver;
using System;

namespace EnVisage.MongoDbMigration.DataAccess
{
    public class MongoAccessorsContainer
    {
        #region Private Members

        private IMongoDatabase _database = null;

        private IMigrationsAccessor _migrationAccessor = null;

        #endregion

        #region Public Members

        public IMigrationsAccessor MigrationAccessor
        {
            get
            {
                if (_migrationAccessor == null)
                    _migrationAccessor = new MigrationsAccessor(_database);

                return _migrationAccessor;
            }
        }

        #endregion

        public MongoAccessorsContainer(string connectionString, string databaseName)
        {
            if (string.IsNullOrWhiteSpace(connectionString))
                throw new ArgumentNullException("connectionString");

            if (string.IsNullOrWhiteSpace(databaseName))
                throw new ArgumentNullException("databaseName");

            _database = (new MongoClient(connectionString)).GetDatabase(databaseName);
        }
    }
}