using System.Collections.Generic;
using System.Linq;
using _0_Framework.Application;
using AccountManagement.Application.Contracts.Media;
using AccountManagement.Domain.MediaAgg;
using Company.Domain.BankAgg;
using CompanyManagment.App.Contracts.Bank;

namespace CompanyManagment.Application
{
	public class BankApplication : IBankApplication
	{
		private readonly IBankRepository _bankRepository;
		private readonly IMediaApplication _mediaApplication;

		private const string _basePath = "BankLogos";

		public BankApplication(IBankRepository bankRepository, IMediaApplication mediaApplication)
		{
			_bankRepository = bankRepository;
			_mediaApplication = mediaApplication;
		}

		public BankViewModel GetBy(long id)
		{
			var entity = _bankRepository.Get(id);
			if (entity == null)
				return new();
			var media = _mediaApplication.Get(entity.BankLogoMediaId);
			return new BankViewModel()
			{
				Id = entity.id,
				BankName = entity.BankName,
				BankLogoPicturePath = media.Path
			};
		}

		public OperationResult Remove(long id)
		{
			OperationResult op = new();
			var entity = _bankRepository.Get(id);
			if (entity == null)
				return op.Failed(ApplicationMessages.RecordNotFound);
			_bankRepository.Remove(entity);
			_bankRepository.SaveChanges();
			return op.Succcedded();
		}

		public OperationResult Create(CreateBank command)
		{
			OperationResult op = new();
			if (string.IsNullOrWhiteSpace(command.BankName))
				return op.Failed("فیلد نام بانک نمی تواند خالی باشد");
			long mediaId = 0;
			if(command.BankLogoPictureFile  != null && command.BankLogoPictureFile.Length >0 )
			{
				var uploadResult = _mediaApplication.UploadFile(command.BankLogoPictureFile, command.BankName,
					_basePath, 10, [".jpg", ".jpeg", ".png",".svg"], "Bank");
				if (uploadResult.IsSuccedded == false)
					return uploadResult;
				mediaId = uploadResult.SendId;
			}
			var newEntity = new Bank(command.BankName, mediaId);
			_bankRepository.Create(newEntity);
			_bankRepository.SaveChanges();

			return op.Succcedded();
		}

		public OperationResult Edit(EditBank command)
		{
			OperationResult op = new();
			if (string.IsNullOrWhiteSpace(command.BankName))
				return op.Failed("فیلد نام بانک نمی تواند خالی باشد");

			var entity = _bankRepository.Get(command.Id);
			if (entity == null)
				return op.Failed(ApplicationMessages.RecordNotFound);

			long mediaId = entity.BankLogoMediaId;
			if (command.BankLogoPictureFile != null && command.BankLogoPictureFile.Length > 0)
			{
				var uploadResult = _mediaApplication.UploadFile(command.BankLogoPictureFile, command.BankName,
					_basePath, 10, [".jpg", ".jpeg", ".png",".svg"], "Bank");
				if (uploadResult.IsSuccedded == false)
					return uploadResult;
				_mediaApplication.DeleteFile(entity.BankLogoMediaId);
				mediaId = uploadResult.SendId;
			}
			entity.Edit(command.BankName,mediaId);
			_bankRepository.SaveChanges();

			return op.Succcedded();
		}

		public List<BankViewModel> Search(string name)
		{
			var banks =  _bankRepository.Search(name);
			var medias = _mediaApplication.GetRange(banks.Select(x => x.BankLogoPictureMediaId));
			return banks.Select(x=> new BankViewModel()
			{
				BankLogoPicturePath = medias.FirstOrDefault(y=>y.Id == x.BankLogoPictureMediaId)?.Path ??"",
				BankName = x.BankName,
				Id = x.Id
			}).ToList();
		}
	}
}