using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using WinFormDi.UserControls;
using WinFormDiApp.BL.Helpers;
using WinFormDiApp.BL.Models;
using WinFormDiApp.BLI;

namespace WinFormDiApp
{
    public partial class frmSearchData : Form
    {
        IEnumerable<AccountRecord>? foundRecs = null;
        private class AccCount
        {
            public AccountRecord? AcRec { get; set; }
            public int NoOfRecs { get; set; }
            public double SearchedSum { get; set; }
        }
        private readonly IAccountRecordRepository _accountRecordRepository;
        private readonly frmPayments _showPayments;

        public frmSearchData(IAccountRecordRepository accountRecordRepository,frmPayments showPayments)
        {
            InitializeComponent();
            _accountRecordRepository = accountRecordRepository;
            _showPayments = showPayments;
        }

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

        private void btnStartSearch_Click(object sender, EventArgs e)
        {
            flpPanel1.Controls.Clear();
            foundRecs = _accountRecordRepository.GetAllAccBetweenDates(dtpFrom.Value, dtpTo.Value);
            var aggregates = aggegateAccounts(foundRecs);
            foreach (var account in aggregates)
            {
                var ucCustV = createAndFillUCcv(account);
                flpPanel1.Controls.Add(ucCustV);
            }
        }

        private ucCustomerValue createAndFillUCcv(AccCount account)
        {
            var result = new ucCustomerValue(this);
            result.Amount = String.Format("{0:0.00}", account.SearchedSum).adjustRight();
            result.Receiver = account.AcRec.Mottagare;
            result.Number = Convert.ToString(account.NoOfRecs);
            result.Tag = account.AcRec.Konto;
            return result;
        }

        private IEnumerable<AccCount> aggegateAccounts(IEnumerable<AccountRecord> result)
        {
            List<AccCount> Localresult = new List<AccCount>();
            string oldMott = string.Empty;
            AccCount wrkRec = null;
            foreach (var accountRecord in result)
            {
                if (accountRecord.Mottagare == oldMott)
                {
                    wrkRec.SearchedSum += accountRecord.Belopp;
                    wrkRec.NoOfRecs++;
                }
                else
                {
                    oldMott = accountRecord.Mottagare;
                    if (wrkRec != null)
                    {
                        Localresult.Add(wrkRec);
                        wrkRec = AddAccountRecord(accountRecord);
                    }
                    else
                    {
                        wrkRec = AddAccountRecord(accountRecord);
                    }
                }
            }
            Localresult.Add(wrkRec);
            return Localresult;
        }

        private AccCount AddAccountRecord(AccountRecord accountRecord)
        {
            AccCount acc = new AccCount();
            acc.NoOfRecs = 1;
            acc.AcRec = accountRecord;
            acc.SearchedSum = accountRecord.Belopp;
            return acc;
        }

        public void ShowDetails(string accountNo)
        {
            IEnumerable<AccountRecord> detailRecs = foundRecs.Where(fr => fr.Konto==accountNo);
            _showPayments.CustomPayments = detailRecs;
            _showPayments.ShowDialog();
        }
    }
}