using System.Linq.Expressions;
using Connected.Expressions;
using Connected.Expressions.Languages;
using Connected.Expressions.Translation;
using Connected.Expressions.Translation.Rewriters;

namespace Connected.ServiceModel.Client.Data;

internal class CqlLinguist : Linguist
{

	public CqlLinguist(ExpressionCompilationContext context, CqlLanguage language, Translator translator)
		 : base(context, language, translator)
	{
	}

	public override Expression Translate(Expression expression)
	{
		/*
	    * fix up any order-by's
	    */
		expression = OrderByRewriter.Rewrite(Language, expression);

		expression = base.Translate(expression);
		/*
	    * convert skip/take info into RowNumber pattern
	    */
		expression = SkipToRowNumberRewriter.Rewrite(Language, expression);
		/*
	    * fix up any order-by's we may have changed
	    */
		expression = OrderByRewriter.Rewrite(Language, expression);

		return expression;
	}

	public override string Format(Expression expression)
	{
		return CqlFormatter.Format(Context, expression, Language);
	}
}