using Microsoft.Data.SqlClient;

namespace Library;

public class UserData
{
	public int ID = 0;
	public string Name = default!;
	public string Email = default!;
	public string SessionID = default!;
	public bool IsActive = true;
	public bool IsAdmin = false;

	public static UserData? FromSession( SqlConnection connection , string session_id )
	{
		using SqlDataReader reader = new SQLBuilder( connection , "EXEC [usp_user_session_validate] @session_id" )
			.AddParameter( "@session_id" , session_id )
			.ExecuteReader( );

		if ( reader == null || !reader.Read( ) )
			return null;

		int user_id = reader.Int( "id" , 0 );
		if ( user_id <= 0 )
			return null;

		return new( )
		{
			ID = user_id ,
			Name = reader.String( "display_name" ) ?? "" ,
			Email = reader.String( "email" ) ?? "" ,
			SessionID = session_id ,
			IsAdmin = reader.Int( "is_admin" , 0 ) == 1 ,
			IsActive = true
		};
	}

	public static UserData? FromID( SqlConnection connection , int id )
	{
		using SqlDataReader reader = new SQLBuilder( connection , "SELECT [id],[ime],[user_tip],[mail],[is_active] FROM [dom] WHERE [id]=@id" )
			.AddParameter( "@id" , id )
			.ExecuteReader( );

		if ( reader == null || !reader.Read( ) )
			return null;

		return FromReader( reader );
	}

	public static UserData? FromReader( SqlDataReader reader )
	{
		int user_id = reader.Int( "id" , 0 );
		if ( user_id <= 0 )
			return null;

		return new( )
		{
			ID = user_id ,
			Name = reader.String( "ime" ) ?? "" ,
			Email = reader.String( "mail" ) ?? "" ,
			IsAdmin = ( reader.String( "user_tip" ) ?? "" ) == "admin" ,
			IsActive = reader.Int( "is_active" , 0 ) != 0
		};
	}
}