using MongoDB.Bson;
using MongoDB.Driver;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace AIAHTML5.API.Models
{
    public class PixelLocator
    {

        internal static dynamic GetBodyRegionsPixelData(string layerNumber, string bodyViewIndex, string systemNumber, string zoom)
        {
            try
            {
                //var client = new MongoClient("mongodb://192.168.90.43:27017");
                var client = new MongoClient();
                var db = client.GetDatabase("AIAHTML5");

                var col = db.GetCollection<BsonDocument>("DAImages");

                var pipeline = new BsonDocument[] 
            {
                new BsonDocument{{"$unwind", "$terms"}},
                new BsonDocument{ { "$match", new BsonDocument("terms.SystemNumbers", Convert.ToInt32(systemNumber)).Add("bodyViewIndex", Convert.ToInt32(bodyViewIndex)).Add("layerNumber", Convert.ToInt32(layerNumber)).Add("zoom", Convert.ToInt32(zoom)) }},
                new BsonDocument { {"$project", new BsonDocument()
                    .Add("_id", 0)
                    .Add("terms", 1)
                    .Add("bodyRegionId", 1)
                    } }
            };


                var pixelData = col.Aggregate<BsonDocument>(pipeline).ToList();

                return pixelData.ToJson();
            }
            catch (Exception e)
            {
                //string error = e.Message + "..STACKTRACE: " + e.StackTrace;
                string error = "InternalServerError";
                return error;
            }
        }
    }
}