import { IConnectionOptions } from "./IConnectionOptions";

export function CreateConnectionString(Connection: IConnectionOptions): string
{
	let ConnectionString = "mongodb://";
	if(Connection.User)
	{
		ConnectionString += encodeURIComponent(Connection.User);
	}
	if(Connection.Password)
	{
		ConnectionString += ":" + encodeURIComponent(Connection.Password);
	}
	if(Connection.Hostname)
	{
		if(Connection.User)
		{
			ConnectionString += "@";
		}
		ConnectionString += Connection.Hostname;
	}
	if(Connection.ReplicaSet && Connection.Replicas)
	{
		if(Connection.User)
		{
			ConnectionString += "@";
		}

		for(let Replica of Connection.Replicas)
		{
			ConnectionString += Replica.Hostname;
			ConnectionString += ":" + Replica.Port + ",";
		}
		ConnectionString = ConnectionString.slice(0, -1);
	}
	if(Connection.Port)
	{
		ConnectionString += ":" + Connection.Port;
	}

	if(Connection.Database)
	{
		ConnectionString += "/" + Connection.Database;
	}
	if(Connection.ReplicaSet)
	{
		ConnectionString += "?replicaSet=" + Connection.ReplicaSet
	}
	
	return ConnectionString;
}