<%@ WebHandler Language="C#" Class="MobileHandler" %>

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;
using Common;
using Newtonsoft.Json;

public class MobileHandler : IHttpHandler
{
    private HttpContext c;

    private string inputStream = string.Empty;
    public string InputStream
    {
        get
        {
            if (!string.IsNullOrEmpty(inputStream)) return inputStream;
            inputStream = new StreamReader(HttpContext.Current.Request.InputStream, HttpContext.Current.Request.ContentEncoding).ReadToEnd();
            return inputStream;
        }
    }

    public bool IsReusable
    {
        get
        {
            return false;
        }
    }

    public void ProcessRequest(HttpContext context)
    {
        c = context;
        context.Response.ContentType = "application/json";
        context.Response.Write(Process());
    }

    public string Process()
    {
        var j = JsonConvert.DeserializeObject<MobileRequest>(InputStream);
        if (inputStream == null || j == null || string.IsNullOrEmpty(inputStream)) return JsonResult.Json(false, "Error", "Missing parameters");
        if (string.IsNullOrEmpty(j.a)) return JsonResult.Json(false, "Error", "Missing action parameter");

        c.Trace.Warn("UserId", j.u);
        c.Trace.Warn("CustomerId", j.c.ToString());
        c.Trace.Warn("Marker", JsonConvert.SerializeObject(j.m));

        using (var db = new DataModel())
        {
            var location = db.Locations.FirstOrDefault(f => f.Address == j.m.address && f.Lat == j.m.lat && f.Lng == j.m.lng);
            if (location == null)
            {
                location = new Location { Address = j.m.address, Lat = j.m.lat, Lng = j.m.lng };
                db.Locations.Add(location);
                db.SaveChanges();
            }

            var action = db.DriverActions.FirstOrDefault(f => f.Action == j.a);
            if (action == null)
            {
                action = new DriverAction { Action = j.a };
                db.DriverActions.Add(action);
                db.SaveChanges();
            }

            var operatorLogin = db.OperatorLogins.FirstOrDefault(f => f.Username == j.u);
            if (operatorLogin == null) return JsonResult.Json(false, "Error", "Unknown Operator");

            var log = db.DriverLogs.Add(new DriverLog
            {
                CustomerId = j.c,
                DriverActionId = action.DriverActionId,
                LocationId = location.LocationId,
                OperatorLoginId = operatorLogin.OperatorLoginId,
                TimeStamp = DateTime.Now
            });

            db.DriverLogs.Add(log);
            db.SaveChanges();

            if (j.a != "Bag") return JsonResult.Json(true);
            
            c.Trace.Warn("BagId", j.b.ToString());

            var bag = db.CustomerWorkloadBags.FirstOrDefault(f => f.WorkloadBagId == j.b);
            if (bag == null) return JsonResult.Json(false, "Error", "Unknown Bag");

            c.Trace.Warn("CustomerId", j.c.ToString());
            c.Trace.Warn("UniqueReference", bag.UniqueReference);
            c.Trace.Warn("OperatorLoginId", operatorLogin.OperatorLoginId.ToString());
            
            var acceptedBag = db.AcceptCustomerBag(j.c, bag.UniqueReference, operatorLogin.OperatorLoginId);
            return acceptedBag == null ? JsonResult.Json(false, "Error", "Unknown Bag") : JsonResult.Json(true);
        }
    }
}