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 EventAlert = LCU.Shared.Collections.RepoApiLib.Models.EventAlert;

namespace LCU.API.Collections.RepoApi.Domain.AlertChecker
{
    public class TimeInStatusChecker : IAlertChecker
    {
        private readonly string _checkStatus;
        private readonly int _dayCount;
        private readonly int _repeatDayCount;

        public TimeInStatusChecker(string checkStatus, int dayCount = 30, int repeatDayCount = 0)
        {
            _checkStatus = checkStatus;
            _dayCount = dayCount;
            _repeatDayCount = repeatDayCount;
        }

        public List<EventAlert> CheckForAlert(RepoAccountProcessingSlip slip)
        {
            var status = slip.UpdatedRepoAccount.Status.ToUpper().Trim();
            var days = slip.UpdatedRepoAccount.GetDaysInStatus(status);
            if (days <= 0 || status != _checkStatus)
            {
                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 = days + " days in " + _checkStatus,
                        CreatedBy = "Batch",
                        DateAdded = DateTime.Now
                    }
                };
            }

            return null;
        }
    }
}