using RestSharp;
using System;
using System.Collections.Generic;
using Tanshu.Accounts.Contracts;
using Tanshu.Accounts.Entities;
using Tanshu.Common.Helpers;

namespace Tanshu.Accounts.Repository
{
    public class CheckoutBI
    {
        public Dictionary<SettleOption, int> amounts = new Dictionary<SettleOption, int>();
        public Dictionary<SettleOption, string> info = new Dictionary<SettleOption, string>();
        private User _cashier;
        public IList<User> Cashiers { get; private set; }

        public DateTime StartDate { get; private set; }
        public DateTime FinishDate { get; private set; }

        public string Manager
        {
            get { return Session.User.Name; }
        }

        public CheckoutBI(DateTime startDate, DateTime finishDate)
        {
            StartDate = startDate.Date.AddHours(6);
            FinishDate = finishDate.Date.AddDays(1).AddHours(5);
            Cashiers = GetActiveCashiers();
        }
        public User Cashier
        {
            get
            {
                return _cashier;
            }
            set
            {
                _cashier = value;
                GetBillDetails();
            }
        }
        public string ActiveCashiers
        {
            get
            {
                var cashiers = "";
                foreach (var item in Cashiers)
                    cashiers += item.Name + ", ";
                return cashiers;
            }
        }
        public void GetBillDetails()
        {
            if (FinishDate <= StartDate)
                return;

            var request = new RestRequest();
            request.Resource = "Checkout/{id}.json";
            request.AddParameter("id", Cashier.UserID, ParameterType.UrlSegment);
            request.AddQueryParameter("s", StartDate.ToString("dd-MMM-yyyy HH:mm"));
            request.AddQueryParameter("f", FinishDate.ToString("dd-MMM-yyyy HH:mm"));
            var data = JsonStore.Execute<dynamic>(request);

            foreach (var item in data)
            {
                var setOp = (SettleOption)int.Parse(item.Key);
                if (!amounts.ContainsKey(setOp))
                {
                    amounts.Add(setOp, 0);
                    info.Add(setOp, string.Format("\n\r--- {0} ", setOp.Display()).PadRight(44, '-'));
                }
                foreach (var so in item.Value)
                {
                    string customer = "";
                    string billID = "";
                    string date = "";
                    int amount = 0;
                    foreach (var items in so)
                    {
                        if (items.Key == "Date")
                            date = items.Value;
                        else if (items.Key == "BillID")
                            billID = items.Value;
                        else if (items.Key == "Customer")
                            customer = items.Value;
                        else if (items.Key == "Amount")
                            amount = (int)items.Value;
                    }
                    amounts[setOp] += amount;
                    info[setOp] += string.Format("\n\r{0} {1} {2}", date, billID, customer);
                    info[setOp] += string.Format("\n\rAmount: {0:#0.00}", amount);
                    info[setOp] += "\n\r------------------------------------------";
                }

            }
        }
        private List<User> GetActiveCashiers()
        {
            var request = new RestRequest();
            request.Resource = "Cashiers.json";
            request.AddQueryParameter("s", StartDate.ToString("dd-MMM-yyyy HH:mm"));
            request.AddQueryParameter("f", FinishDate.ToString("dd-MMM-yyyy HH:mm"));
            return JsonStore.Execute<List<User>>(request);
        }
    }
}