using System;
using System.Linq.Expressions;
using System.Reflection;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Query.Expressions;
using Microsoft.EntityFrameworkCore.Query.ExpressionTranslators;

namespace Luticate2.Utils.DataAccess.Npgsql
{
    public class NpgsqlStoredProcTranslator : IMethodCallTranslator
    {
        private readonly Type _declaringType = typeof(DbContext);

        public Expression Translate(MethodCallExpression methodCallExpression)
        {
            if (_declaringType.IsAssignableFrom(methodCallExpression.Method.DeclaringType))
            {
                return new SqlFunctionExpression(methodCallExpression.Method.Name, methodCallExpression.Type, methodCallExpression.Arguments);
            }
            return null;
        }
    }
}