using System;
using System.Collections.Generic;
using LCU.API.Collections.RepoApi.Domain.Extensions;
using LCU.API.Collections.RepoApi.Domain.Processing;
using LCU.API.Collections.RepoApi.Extensions;
using LCU.Shared.Collections.RepoApiLib.Models;

namespace LCU.API.Collections.RepoApi.Domain.AlertChecker
{
    public class SkipNotPaidChecker : IAlertChecker
    {
        private readonly int _dayCount;
        private readonly int _repeatDayCount;
        private const string O4RStatus = "O4R";
        private const string RepoSubStatusPaidSkip = "PSKP";


        public SkipNotPaidChecker(int dayCount = 30, int repeatDayCount = 0)
        {
            _dayCount = dayCount;
            _repeatDayCount = repeatDayCount;
        }

        public List<EventAlert> CheckForAlert(RepoAccountProcessingSlip slip)
        {
            var days = slip.UpdatedRepoAccount.GetDaysInStatus(O4RStatus);
            if (slip.UpdatedRepoAccount.Status == O4RStatus
                && days >= _dayCount && slip.UpdatedRepoAccount.IsCurrentlySkipClaim())
            {
                if (!string.IsNullOrWhiteSpace(slip.UpdatedRepoAccount.SubStatus) &&
                    slip.UpdatedRepoAccount.SubStatus.Trim().ToUpper() == RepoSubStatusPaidSkip)
                {
                    return null;
                }

                if ((days == _dayCount) || days >= _dayCount && ((days - _dayCount) % _repeatDayCount == 0))
                {
                    return new List<EventAlert>
                    {
                        new EventAlert()
                        {
                            RepoId = slip.UpdatedRepoAccount.RepoId,
                            AccountNo = slip.UpdatedRepoAccount.AccountNo,
                            Message = "Skip Not Paid",
                            CreatedBy = "Batch",
                            DateAdded = DateTime.Now
                        }
                    };
                }
            }

            return null;
        }
    }
}