using Microsoft.AspNetCore.Cors.Infrastructure;
using Microsoft.AspNetCore.Mvc.Rendering;
using System;
using SampleWorkflowWeb.Models;

namespace SampleWorkflowWeb.Services
{
    public class CardService : ICardService
    {
        #region Fields
        private List<CardModel> _cards; 
        #endregion

        #region Ctor
        public CardService()
        {
            _cards = new List<CardModel>();
            _cards.Add(new CardModel() { Id = 1, PAN = "6221-0612-2862-5721", BankName = "پارسیان", FullName = "بهزاد علیزاده" });
            _cards.Add(new CardModel() { Id = 2, PAN = "6221-0612-2577-8317", BankName = "پارسیان", FullName = "بهزاد علیزاده" });
            _cards.Add(new CardModel() { Id = 3, PAN = "6037-6915-6533-2053", BankName = "صادرات", FullName = "ذکربا تاجمیری" });
            _cards.Add(new CardModel() { Id = 4, PAN = "6037-6915-6533-2053", BankName = "ملی", FullName = "مصطفی حسنی کلشتری" });
            _cards.Add(new CardModel() { Id = 5, PAN = "6219-8619-9535-2407", BankName = "سامان", FullName = "علی محمدی" });
            _cards.Add(new CardModel() { Id = 6, PAN = "5022-2910-9783-9243", BankName = "پاسارگاد", FullName = "اکبر وفایی مزید" });
            _cards.Add(new CardModel() { Id = 7, PAN = "6037-6916-2463-8961", BankName = "صادرات", FullName = "رضا پازوکی" });
            _cards.Add(new CardModel() { Id = 8, PAN = "5892-1016-2042-8678", BankName = "سپه", FullName = "حسن بهرامی" });
        } 
        #endregion

        #region GetSourceCardsService
        public SelectList GetSourceCardsService()
        {
            var myCards = _cards
                .Select(x => new { Id = x.Id, Title = $"{x.PAN}" })
                .Take(2);

            return new SelectList(myCards, "Id", "Title");
        }
        #endregion

        #region GetDestinationCardsService
        public SelectList GetDestinationCardsService()
        {
            var cards = _cards
                .Select(x => new { Id = x.Id, Title = $"{x.PAN}" })
                .Skip(2);

            return new SelectList(cards, "Id", "Title");
        }
        #endregion

        #region GetCardService
        public CardModel? GetCardService(int id)
        {
            var card = _cards
                .FirstOrDefault(x => x.Id == id);

            return card;
        }
        #endregion

        #region GetCardOwnerService
        public string? GetCardOwnerService(int id)
        {
            var fullName = _cards
                .FirstOrDefault(x => x.Id == id)?
                .FullName;

            return fullName;
        }
        #endregion

        #region TransferAsync
        public async Task<bool> TransferAsync(string sourcePan, string destinationPan, long? amount)
        {
            return true;
        } 
        #endregion
    }

    public interface ICardService
    {
        SelectList GetSourceCardsService();
        SelectList GetDestinationCardsService();
        CardModel? GetCardService(int id);
        string? GetCardOwnerService(int id);
        Task<bool> TransferAsync(string sourcePan, string destinationPan, long? amount);
    }
}