using System;
using System.Collections.Generic;
using System.Globalization;
using System.Windows.Forms;
using Tanshu.Accounts.Repository;
using Tanshu.Accounts.Contracts;

namespace Tanshu.Accounts.Management
{
    public partial class QuantityForm : Form
    {
        public QuantityForm()
        {
            InitializeComponent();
        }

        private void ShowStatement()
        {

        }

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

        private void btnGo_Click(object sender, EventArgs e)
        {
            int baseCode = 0;
            if (rbLight.Checked)
            {
                baseCode = 1;
            }
            else if (rbPremium.Checked)
            {
                baseCode = 2;
            }
            else if (rbWheat.Checked)
            {
                baseCode = 3;
            }
            else if (rbDark.Checked)
            {
                baseCode = 4;
            }
            else if (rbFestival.Checked)
            {
                baseCode = 5;
            }
            dtpStart.Value = dtpStart.Value.Date.AddHours(7);
            dtpFinish.Value = dtpFinish.Value.Date.AddDays(1).AddHours(7);
            var quantity = GetQuantity(baseCode);
            var newQuantity = Convert.ToDecimal(txtQuantity.Text);
            if (MessageBox.Show(quantity.ToString(), "Quantity of Beer", MessageBoxButtons.YesNo, MessageBoxIcon.Information, MessageBoxDefaultButton.Button2) == DialogResult.Yes && quantity > newQuantity)
            {
                MessageBox.Show(SetQuantity(baseCode, newQuantity).ToString());
            }
        }
        private decimal GetQuantity(int baseCode)
        {
            using (var bi = new ManagementBI())
                return bi.GetQuantity(baseCode, dtpStart.Value, dtpFinish.Value);
        }
        private decimal SetQuantity(int baseCode, decimal quantity)
        {
            using (var bi = new ManagementBI())
                return bi.SetQuantity(baseCode, quantity, dtpStart.Value, dtpFinish.Value);
        }

        private void btnGetClipboard_Click(object sender, EventArgs e)
        {
            //Clipboard format -- Date,BaseCode,Quantity"
            var fmtCsv = DataFormats.CommaSeparatedValue;

            // read the CSV
            var dataobject = Clipboard.GetDataObject();
            if (dataobject == null)
            {
                MessageBox.Show(@"No Data in clipboard");
                return;
            }
            var stream = (System.IO.Stream)dataobject.GetData(fmtCsv);
            var enc = new System.Text.UTF8Encoding();

            IFormatProvider culture = new CultureInfo("en-US", true);

            using (var reader = new System.IO.StreamReader(stream, enc))
            {
                using (var bi = new ManagementBI())
                {
                    string line;
                    while ((line = reader.ReadLine()) != null)
                    {
                        DateTime startDate;
                        int baseCode;
                        decimal quantity;
                        var data = line.Split(',');
                        if (!DateTime.TryParseExact(data[0], "dd-MMM-yyyy", culture, DateTimeStyles.NoCurrentDateDefault, out startDate))
                            continue;
                        var finishDate = startDate.AddDays(1).AddHours(7);
                        startDate = startDate.AddHours(7);
                        if (!int.TryParse(data[1], out baseCode))
                            continue;
                        if (baseCode <=0)
                            continue;
                        if (!decimal.TryParse(data[2], out quantity))
                            continue;

                        bi.SetQuantity(baseCode, quantity, startDate, finishDate);
                    }
                }
            }
        }
    }
}