using System.Data;
using System.Text;
using Connected.Data.Schema;

namespace Connected.ServiceModel.Client.Data.Schema;
internal class TableTransaction : SynchronizationTransaction
{
	protected static string CreateColumnCommandText(ISchemaColumn column)
	{
		var builder = new StringBuilder();

		builder.AppendFormat($"{column.Name} {CreateDataTypeMetaData(column)} ");

		return builder.ToString();
	}

	protected static string CreateDataTypeMetaData(ISchemaColumn column)
	{
		return column.DataType switch
		{
			DbType.AnsiString => "text",
			DbType.Binary => "blob",
			DbType.Byte => "tinyint",
			DbType.Boolean => "boolean",
			DbType.Currency => "decimal",
			DbType.Date => "timestamp",
			DbType.DateTime => "timestamp",
			DbType.Decimal => "decimal",
			DbType.Double => "double",
			DbType.Guid => "uuid",
			DbType.Int16 => "smallint",
			DbType.Int32 => "int",
			DbType.Int64 => "bigint",
			DbType.Object => "blob",
			DbType.SByte => "smallint",
			DbType.Single => "float",
			DbType.String => "text",
			DbType.Time => "time",
			DbType.UInt16 => "int",
			DbType.UInt32 => "bigint",
			DbType.UInt64 => "float",
			DbType.VarNumeric => "decimal",
			DbType.AnsiStringFixedLength => "text",
			DbType.StringFixedLength => "text",
			DbType.Xml => "text",
			DbType.DateTime2 => "timestamp",
			DbType.DateTimeOffset => "timestamp",
			_ => throw new NotSupportedException(),
		};
	}
}