using SampleWorkflowWeb.Models;
using SampleWorkflowWeb.Models.Transfer;
using SampleWorkflowWeb.Services;
using Caspian.WorkflowFramework.Contracts;
using PackageNS = Caspian.WorkflowFramework.Models;
using Elsa.Common.Models;
using Microsoft.AspNetCore.Mvc;
using San.MongoLogger;
using Newtonsoft.Json;
using Microsoft.AspNetCore.Http;

namespace SampleWorkflowWeb.Controllers
{
    public class TransferController : Controller, ILoggable
    {
        #region Fields
        private readonly ILogger<HomeController> _logger;
        private readonly ICardService _cardService;
        private readonly IWorkflowService _workflowService;
        #endregion

        #region Ctor
        public TransferController(ILogger<HomeController> logger,
            ICardService cardService,
            IWorkflowService workflowService)
        {
            _logger = logger;
            _cardService = cardService;
            _workflowService = workflowService;
        }
        #endregion

        #region Index
        public IActionResult Index()
        {
            return View();
        }
        #endregion

        #region TransferAmount
        [HttpGet]
        public async Task<IActionResult> TransferAmount(long userId)
        {
            var response = await _workflowService.CreateAndExecuteAsync(new PackageNS.CreateAndExecuteWorkflowModel()
            {
                Name = "TransfersWorkflow",
                UserId = userId,
                Version = VersionOptions.Published
            });

            if (response != null && response.Status == 0)
            {
                var input = new SelectionViewModel()
                {
                    WorkflowId = response.Data?.InstanceId,
                    PageEventName = response.Data?.NextPageEventName
                };

              

                HttpContext.Session.SetObject("SelectionSession", input);

                //return View(response.Data?.NextPageUrl, input);
                return RedirectToAction(response.Data?.NextPageUrl);
            }
            else
            {
                return RedirectToAction("Error", response);
            }
        }
        #endregion

        #region Selection
        public async Task<IActionResult> Selection()
        {
            // Retrieve from session
            var model = HttpContext.Session.GetObject<SelectionViewModel>("SelectionSession");
            HttpContext.Session.Remove("SelectionSession");

            ViewBag.SourceCards = _cardService.GetSourceCardsService();
            ViewBag.DestinationCards = _cardService.GetDestinationCardsService();

            return View(model);
        }

        [HttpPost]
        public async Task<IActionResult> Selection(SelectionViewModel input)
        {
            if (!ModelState.IsValid)
            {
                ViewBag.SourceCards = _cardService.GetSourceCardsService();
                ViewBag.DestinationCards = _cardService.GetDestinationCardsService();

                return View(input);
            }

            var publishModel = new PackageNS.PublishEventModel()
            {
                EventName = input.PageEventName,
                WorkflowInstanceId = input.WorkflowId,
                EventData = JsonConvert.SerializeObject(input)
            };

            var response = await _workflowService.PublishEventAsync(publishModel);

            if (response != null && response.Status == 0)
            {
                if (response.Data?.NextPageUrl == "Confirm")
                {
                    var fromPan = _cardService.GetCardService(input.From)?.PAN;
                    var fromFullName = _cardService.GetCardOwnerService(input.From);

                    var toPan = _cardService.GetCardService(input.To)?.PAN;
                    var toFullName = _cardService.GetCardOwnerService(input.To);

                    var confirmViewModel = new ConfirmViewModel()
                    {
                        From = input.From,
                        FromPan = fromPan,
                        FromFullName = fromFullName,
                        To = input.To,
                        ToPan = toPan,
                        ToFullName = toFullName,
                        Amount = input.Amount,
                        PersonType = input.PersonType,
                        WorkflowId = response.Data?.InstanceId,
                        PageEventName = response.Data?.NextPageEventName
                    };

                    HttpContext.Session.SetObject("ConfirmSession", confirmViewModel);

                    //return View(response.Data?.NextPageUrl, confirmViewModel);
                    return RedirectToAction(response.Data?.NextPageUrl);
                }
                else if (response.Data?.NextPageUrl == "Cartable")
                {
                    var viewModel = new CartableViewModel()
                    {
                        From = input.From,
                        To = input.To,
                        Amount = input.Amount,
                        PersonType = input.PersonType,
                        WorkflowId = response.Data?.InstanceId,
                        PageEventName = response.Data?.NextPageEventName
                    };

                    HttpContext.Session.SetObject("CartableSession", viewModel);

                    return RedirectToAction(response.Data?.NextPageUrl);
                }
                else
                {
                    ViewBag.SourceCards = _cardService.GetSourceCardsService();
                    ViewBag.DestinationCards = _cardService.GetDestinationCardsService();

                    return View(input);
                }
            }
            else
            {

                return RedirectToAction("Error", response);
            }
        }
        #endregion

        #region Cartable
        public async Task<IActionResult> Cartable()
        {
            // Retrieve from session
            var model = HttpContext.Session.GetObject<CartableViewModel>("CartableSession");
            HttpContext.Session.Remove("CartableSession");

            return View(model);
        }

        [HttpPost]
        public async Task<IActionResult> Cartable(CartableViewModel input)
        {
            if (!ModelState.IsValid)
            {
                //ViewBag.SourceCards = _cardService.GetSourceCardsService();
                //ViewBag.DestinationCards = _cardService.GetDestinationCardsService();

                return View(input);
            }

            var publishModel = new PackageNS.PublishEventModel()
            {
                EventName = input.PageEventName,
                WorkflowInstanceId = input.WorkflowId,
                EventData = JsonConvert.SerializeObject(input)
            };

            var response = await _workflowService.PublishEventAsync(publishModel);

            if (response != null && response.Status == 0)
            {
                var fromPan = _cardService.GetCardService(input.From)?.PAN;
                var fromFullName = _cardService.GetCardOwnerService(input.From);

                var toPan = _cardService.GetCardService(input.To)?.PAN;
                var toFullName = _cardService.GetCardOwnerService(input.To);

                var viewModel = new ConfirmViewModel()
                {
                    From = input.From,
                    FromPan = fromPan,
                    FromFullName = fromFullName,
                    To = input.To,
                    ToPan = toPan,
                    ToFullName = toFullName,
                    Amount = input.Amount,
                    PersonType = input.PersonType,
                    WorkflowId = response.Data?.InstanceId,
                    PageEventName = response.Data?.NextPageEventName
                };

                HttpContext.Session.SetObject("ConfirmSession", viewModel);

                return RedirectToAction(response.Data?.NextPageUrl);
            }
            else
            {
                return RedirectToAction("Error", response);
            }
        }
        #endregion

        #region Confirm
        public async Task<IActionResult> Confirm()
        {
            // Retrieve from session
            var model = HttpContext.Session.GetObject<ConfirmViewModel>("ConfirmSession");
            HttpContext.Session.Remove("ConfirmSession");

            return View(model);
        }

        [HttpPost]
        public async Task<IActionResult> Confirm(ConfirmViewModel input)
        {
            input.FromPan = _cardService.GetCardService(input.From)?.PAN;
            input.FromFullName = _cardService.GetCardOwnerService(input.From);

            input.ToPan = _cardService.GetCardService(input.To)?.PAN;
            input.ToFullName = _cardService.GetCardOwnerService(input.To);

            if (!ModelState.IsValid)
            {
                return View(input);
            }

            //انتقال
            var result = await _cardService.TransferAsync(input.FromPan, input.ToPan, input.Amount);

            var publishModel = new PackageNS.PublishEventModel()
            {
                EventName = input.PageEventName,
                WorkflowInstanceId = input.WorkflowId,
                EventData = JsonConvert.SerializeObject(input)
            };

            var response = await _workflowService.PublishEventAsync(publishModel);

            if (response != null && response.Status == 0)
            {
                var receiptInput = new ReceiptViewModel()
                {
                    From = input.From,
                    FromPan = input.FromPan,
                    FromFullName = input.FromFullName,
                    To = input.To,
                    ToPan = input.ToPan,
                    ToFullName = input.ToFullName,
                    Amount = input.Amount,
                    WorkflowId = response.Data?.InstanceId,
                    PageEventName = response.Data?.NextPageEventName
                };

                HttpContext.Session.SetObject("ReceiptSession", receiptInput);

                return RedirectToAction(response.Data?.NextPageUrl);
            }
            else
            {
                return RedirectToAction("Error", response);
            }
        }
        #endregion

        #region Confirm
        public async Task<IActionResult> Receipt()
        {
            // Retrieve from session
            var model = HttpContext.Session.GetObject<ReceiptViewModel>("ReceiptSession");
            HttpContext.Session.Remove("ReceiptSession");

            return View(model);
        }
        #endregion

        #region Error
        public IActionResult Error(WorkflowResponse<object> input)
        {
            return View(input);
        }
        #endregion
    }
}