using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using Tanshu.Accounts.Repository;
using Tanshu.Accounts.Contracts;
using System.Data;
using System.Collections.Specialized;

namespace Tanshu.Accounts.PointOfSale
{
    public partial class BeerConsumptionForm : Form
    {
        IList<BeerConsumptionDetail> _list;
        public BeerConsumptionForm()
        {
            InitializeComponent();
            dgvSale.AutoGenerateColumns = false;
        }

        private void dtpStart_ValueChanged(object sender, EventArgs e)
        {
            ShowStatement();
        }

        private void ShowStatement()
        {
            if (DateTime.Today.Subtract(dtpStart.Value.Date).Days > 5 && !Session.IsAllowed("Accounts Audit"))
                return;
            _list = ReportsBI.BeerConsumption(dtpStart.Value, dtpFinish.Value);
            dgvSale.DataSource = _list;
        }

        private void dtpFinish_ValueChanged(object sender, EventArgs e)
        {
            ShowStatement();
        }

        private void BeerConsumptionForm_Load(object sender, EventArgs e)
        {
            dtpStart.Value = DateTime.Today;
            dtpFinish.Value = DateTime.Today;
            ShowStatement();
        }

        private void btnPrint_Click(object sender, EventArgs e)
        {
            if (_list == null)
                return;
            var startDate = dtpStart.Value.Date.AddHours(6);
            var finishDate = dtpFinish.Value.Date.AddDays(1).AddHours(5);
            //Print.Thermal.PrintSale(Session.User.Name, _list, startDate, finishDate);
        }

        private void btnClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void btnExport_Click(object sender, EventArgs e)
        {
            var q = new decimal[_list.Select(x => x.Date.ToString("dd-MMM-yyyy")).Distinct().Count(), _list.Select(x => x.Name).Distinct().Count()];
            var dates = new List<string>();
            var names = new List<string>();
            string data;
            foreach (var item in _list)
            {
                var date = item.Date.ToString("dd-MMM-yyyy");
                if (!dates.Contains(date))
                {
                    dates.Add(date);
                }
                if (!names.Contains(item.Name))
                {
                    names.Add(item.Name);
                }
                q[dates.IndexOf(date), names.IndexOf(item.Name)] += item.Quantity;
            }

            if (_list == null)
                return;
            data = "Date";
            foreach (var item in names)
            {
                data += string.Format("\t{0}", item);
            }
            data += "\n";

            for (int i = 0; i < dates.Count; i++)
            {
                data += dates[i];
                for (int j = 0; j < names.Count; j++)
                {
                    data += string.Format("\t{0}", q[i, j]);
                }
                data += "\n";
            }
            Clipboard.SetText(data, TextDataFormat.Text);
        }
    }
}