namespace LaaProduction.Web.Controllers
{
    using LaaProduction.Personalization;
    using LaaProduction.Web.App_Infrastructure;
    using LaaProduction.Services.Interfaces;
    using LaaProduction.Services.Models;
    using LaaProductionDI;

    using System.Web.Mvc;
    using System.Collections.Generic;
    using System.Linq;

    [AllowedRoles(EmployeesRoles.WEB_QAP)]
    public class ProtocolController : Controller
    {
        public const string MessagePDF = nameof(MessagePDF);
        public const string Succeeded = nameof(Succeeded);

        private readonly IProtocolService protocolService;

        public ProtocolController() 
            => this.protocolService = LaaServiceProvider.GetService<IProtocolService>();

        [HttpGet]
        public ActionResult Index(int orderId = 0)
        {
            var model = this.protocolService.FindOrder(orderId);

            return this.View(model);
        }

        [HttpPost]
        public ActionResult Index(int orderId, int clientId/*OrderClientModel model*/)
        {
            if (orderId > 0 && clientId > 0)
            {
                var files = this.Request.Files;

                if (files.Count > 0)
                {
                    var file = files.Get(0);

                    if (file.ContentType == "application/pdf")
                    {
                        var savedId = this.protocolService.SaveFile(file.InputStream, clientId, orderId);

                        if (savedId != 0)
                        {
                            if (savedId > 0)
                            {
                                this.TempData[MessagePDF] = $"Der PDF Datei wurde erfolgreich hochgeladen.";
                                this.TempData[Succeeded] = true;
                            }
                            else if (savedId < 0)
                            {
                                this.TempData[MessagePDF] = $"Der PDF Datei ist bereits hochgeladen.";
                            }
                        }
                        else
                        {
                            this.TempData[MessagePDF] = $"Der PDF Datei könte nicht hochgeladen werden.";
                        }
                    }
                    else
                    {
                        this.TempData[MessagePDF] = $"Bitte, PDF Datei hochladen.";
                    }
                }
                else
                {
                    this.TempData[MessagePDF] = "Kein PDF Datei wurde ausgewählt.";
                }
            }
            else
            {
                this.TempData[MessagePDF] = $"Bitte Auftrag auswählen.";
            }
            
            return this.RedirectToAction(nameof(Index), new { orderId });
        }

        [HttpGet]
        public ActionResult Files(int orderId, int? fileId = null)
        {
            var files = this.protocolService.GetFiles(orderId);

            if (!files.Any())
            {
                return this.RedirectToAction(nameof(Index), new { orderId });
            }

            var selectedFile = default(KeyValuePair<int, string>);

            if (fileId is null || !files.ContainsKey(fileId.Value))
            {
                selectedFile = files.FirstOrDefault();

                fileId = selectedFile.Key;
            }
            else
            {
                selectedFile = files.FirstOrDefault(x => x.Key == fileId.Value);
            }

            var model = new OrderFiles
            {
                OrderId = orderId,
                FileId = fileId.Value,
                FileContent = selectedFile.Value,
                Files = files.Select(x => x.Key)
            };

            return this.View(model);
        }

        [HttpGet]
        public ActionResult DeleteFile(int fileId, int orderId)
        {
            this.protocolService.DeleteFile(fileId);

            return this.RedirectToAction(nameof(this.Files), new { orderId });
        }

        public ActionResult Clients(string search = null)
        {
            var clientsOrders = this.protocolService.FindOrdersByClient(search);

            return this.PartialView(clientsOrders);
        }
        
        public ActionResult Orders(int search = 0)
        {
            var clientsOrders = this.protocolService.FindOrdersById(search);

            return this.PartialView(clientsOrders);
        }

        [HttpPost]
        public ActionResult Print(int orderId = 0, short[] positions = null)
        {
            var model = this.protocolService.FindOrder(orderId);

            if (positions?.Any() ?? false)
            {
                foreach (var position in model.Positions.Keys.ToArray())
                {
                    model.Positions[position] = false;
                }

                foreach (var position in positions)
                {
                    model.Positions[position] = true;
                }

                model.Results = model
                    .Results
                    .Where(x => positions.Contains(x.PosNr));
            }

            return this.View(model);
        }
    }
}