using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Threading.Tasks;
using LCU.API.Collections.RepoApi.Exceptions;
using LCU.API.Collections.RepoApi.Models;
using LCU.Shared.Collections.RepoApiLib.Exceptions;
using LCU.Shared.Collections.RepoApiLib.Models;
using LCU.Shared.Collections.RepoApiLib.Repositories;
using Serilog;

namespace LCU.API.Collections.RepoApi.Services
{
    public class ProcessingReceiptService : IProcessingReceiptService
    {
        private readonly IProcessingReceiptRepository _repository;
        private readonly IUnitOfWork _unitOfWork;

        public ProcessingReceiptService(
            IProcessingReceiptRepository repository,
            IUnitOfWork unitOfWork)
        {
            _repository = repository;
            _unitOfWork = unitOfWork;
        }

        public async Task<IReadOnlyCollection<ProcessingReceipt>> FindReceiptsAsync(string accountNo,
            string accountId = "", string caseId = "")
        {
            try
            {
                return await _repository.FindReceiptsAsync(accountNo, accountId, caseId);
            }
            catch (Exception ex)
            {
                Log.Error(ex, "Failure retrieving receipts");
                throw new ServerErrorException();
            }
        }
        
        public async Task<IReadOnlyCollection<ProcessingReceipt>> GetReceiptsByAccountNoAsync(string accountNo)
        {
            try
            {
                return await _repository.GetReceiptsByAccountNoAsync(accountNo);
            }
            catch (Exception ex)
            {
                Log.Error(ex, "Failure retrieving receipts by accountNo");
                throw new ServerErrorException();
            }
        }

        public async Task<IReadOnlyCollection<ProcessingReceipt>> GetRetryListAsync()
        {
            try
            {
                return await _repository.GetRetryListAsync();
            }
            catch (Exception ex)
            {
                Log.Error(ex, "Failure retrieving retry list of receipts");
                throw new ServerErrorException();
            }
        }

        public async Task SaveAsync(ProcessingReceipt receipt)
        {
            try
            {
                await _repository.AddOrUpdateAsync(receipt);
                await _unitOfWork.CompleteAsync();
            }
            catch (Exception ex)
            {
                Log.Error(ex, "Failure saving receipt");
                throw new ServerErrorException();
            }
        }

        public async Task SaveAllAsync(IReadOnlyCollection<ProcessingReceipt> receipts)
        {
            try
            {
                await _repository.SaveAllAsync(receipts);
                await _unitOfWork.CompleteAsync();
            } 
            catch (Exception ex)
            {
                Log.Error(ex, "Failure saving receipts");
                throw new ServerErrorException();
            }
        }
        
    }
}