using System.Collections.Generic;
using System;
using System.Globalization;
using System.Text;
using Newtonsoft.Json.Linq;
using System.Linq;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Logging;

namespace AyaNova.Biz
{
    public static class SqlSelectBuilder
    {

        //Build the SELECT portion of a list query based on the template, mini or full and the object key in question 
        public static string Build(string objectKey, string template, bool mini)
        {

            //parse the template
            var jtemplate = JObject.Parse(template);

            //get the fields list
            var FieldsList = ObjectFields.ObjectFieldsList(objectKey);

            //convert to strings array (https://stackoverflow.com/a/33836599/8939)
            string[] templateFieldList;
            if (mini)
            {
                templateFieldList = ((JArray)jtemplate["mini"]).ToObject<string[]>();
            }
            else
            {
                templateFieldList = ((JArray)jtemplate["full"]).ToObject<string[]>();
            }
           

            StringBuilder sb = new StringBuilder();

            sb.Append("SELECT ");

            foreach (string ColumnName in templateFieldList)
            {
                //NOPE, NOPE, NOPE....rather than this, it needs to get the names by consulting the ObjectFields list which may contain overrides for the sql name etc
                sb.Append(ColumnName);
            }

          

            return  sb.ToString();
        }



    }//eoc
}//ens