using GreenTree.Nachtragsmanagement.Services.Appendix;
using GreenTree.Nachtragsmanagement.Services.Deviation;
using GreenTree.Nachtragsmanagement.Web.Framework.Authorization;
using GreenTree.Nachtragsmanagement.Web.Models.Appendix;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;

namespace GreenTree.Nachtragsmanagement.Web.Controllers
{
    public class AppendixController : Controller
    {
        private readonly IDeviationService _deviationSerivce;
        private readonly IAppendixService _appendixService;

        public AppendixController(
            IDeviationService deviationService,
            IAppendixService appendixService)
        {
            _deviationSerivce = deviationService;
            _appendixService = appendixService;

            ViewData["AllDeviations"] = _deviationSerivce.GetAllDeviations();
            ViewData["AllCategories"] = _appendixService.GetAllCategories();
        }

        #region Appendices

        /// <summary>
        /// Basic appendix view function
        /// </summary>
        [FunctionAuthorize(true, "Appendix-Appendices")]
        public ActionResult ViewAppendices()
        {
            var appendices = _appendixService.GetAllAppendices();
            var appendixModels = appendices
                .Select(u => AppendixDataModel.FromAppendix(u, false))
                .ToList();

            return View("~/Views/Appendices/View.cshtml", appendixModels);
        }

        /// <summary>
        /// Get JSON data of specific appendix
        /// </summary>
        /// <param name="id">Appendix id.</param>
        public ActionResult GetAppendix(int id = -1)
        {
            var appendix = _appendixService.GetAppendixById(id);
            if (appendix == null)
                return new JsonResult
                {
                    Data = "notFound",
                    JsonRequestBehavior = JsonRequestBehavior.AllowGet
                };

            var appendixModel = AppendixDataModel.FromAppendix(appendix, false);

            return new JsonResult
            {
                Data = JsonConvert.SerializeObject(appendixModel),
                JsonRequestBehavior = JsonRequestBehavior.AllowGet
            };
        }

        /// <summary>
        /// Callback result for appendix grid
        /// </summary>
        public ActionResult PartialAppendices()
        {
            var appendices = _appendixService.GetAllAppendices();
            var appendixModels = appendices
                .Select(u => AppendixDataModel.FromAppendix(u, false))
                .ToList();

            return PartialView("~/Views/Appendices/_AppendixGridPartial.cshtml", appendixModels);
        }

        /// <summary>
        /// Partial edit for editing of existing or for new appendix
        /// </summary>
        /// <param name="id">Id for existing appendix, otherweise -1.</param>
        public ActionResult EditAppendix(int id = -1)
        {
            var appendix = _appendixService.GetAppendixById(id);
            var appendixModel = AppendixDataModel.FromAppendix(appendix, true);

            return PartialView("~/Views/Appendices/_AppendixEditPartial.cshtml", appendixModel);
        }

        /// <summary>
        /// Partial edit result if ModelState is valid, otherwise simple JSON result for success
        /// </summary>
        /// <param name="appendixModel">Appendix model to be saved.</param>
        [HttpPost, ValidateInput(false)]
        public ActionResult EditAppendix(AppendixDataModel appendixModel)
        {
            if (!ModelState.IsValid)
                return PartialView("~/Views/Appendices/_AppendixEditPartial.cshtml", appendixModel);

            if (appendixModel.Id == -1)
            {
                var appendix = appendixModel.ToAppendix();

                _appendixService.InsertAppendix(appendix);
            }
            else
            {
                var appendix = _appendixService.GetAppendixById(appendixModel.Id);

                appendix.CustomNumber = appendixModel.CustomNumber;
                appendix.Lot = appendixModel.Lot;
                appendix.Probability = appendixModel.Probability;
                appendix.OfferingNumber = appendixModel.OfferingNumber;
                appendix.OfferingDate = appendixModel.OfferingDate;
                appendix.NegotiationDate = appendixModel.NegotiationDate;
                appendix.NegotiationValue = appendixModel.NegotiationValue;
                appendix.ProtocolExists = appendixModel.ProtocolExists;
                appendix.OrderNumber = appendixModel.OrderNumber;
                appendix.OrderDate = appendixModel.OrderDate;
                appendix.Comment = appendixModel.Comment;
                appendix.SiteId = appendixModel.SiteId;

                _appendixService.UpdateAppendix(appendix);
            }

            return new JsonResult
            {
                Data = "success"
            };
        }

        /// <summary>
        /// Simple JSON result for deleting a specific appendix
        /// </summary>
        /// <param name="id">Appendix id.</param>
        [HttpPost]
        public ActionResult DeleteAppendix(int id)
        {
            var appendix = _appendixService.GetAppendixById(id);

            if (appendix != null)
                _appendixService.DeleteAppendix(appendix);

            return new JsonResult
            {
                Data = "success"
            };
        }

        #endregion

        #region Categories

        /// <summary>
        /// Basic category view function
        /// </summary>
        [FunctionAuthorize(true, "Appendix-Categories")]
        public ActionResult ViewCategories()
        {
            var categories = _appendixService.GetAllCategories();
            var categoryModels = categories
                .Select(u => CategoryDataModel.FromCategory(u, false))
                .ToList();

            return View("~/Views/Appendix/Categories.cshtml", categoryModels);
        }

        /// <summary>
        /// Get JSON data of specific category
        /// </summary>
        /// <param name="id">Category id.</param>
        public ActionResult GetCategory(int id = -1)
        {
            var category = _appendixService.GetCategoryById(id);
            if (category == null)
                return new JsonResult
                {
                    Data = "notFound",
                    JsonRequestBehavior = JsonRequestBehavior.AllowGet
                };

            var categoryModel = CategoryDataModel.FromCategory(category, false);

            return new JsonResult
            {
                Data = JsonConvert.SerializeObject(categoryModel),
                JsonRequestBehavior = JsonRequestBehavior.AllowGet
            };
        }

        /// <summary>
        /// Callback result for category grid
        /// </summary>
        public ActionResult PartialCategories()
        {
            var categories = _appendixService.GetAllCategories();
            var categoryModels = categories
                .Select(u => CategoryDataModel.FromCategory(u, false))
                .ToList();

            return PartialView("~/Views/Admin/Categories/_CategoryListPartial.cshtml", categoryModels);
        }

        /// <summary>
        /// Partial edit for editing of existing or for new category
        /// </summary>
        /// <param name="id">Id for existing category, otherweise -1.</param>
        public ActionResult EditCategory(int id = -1)
        {
            var category = _appendixService.GetCategoryById(id);
            var categoryModel = CategoryDataModel.FromCategory(category, true);

            return PartialView("~/Views/Admin/Categories/_CategoryEditPartial.cshtml", categoryModel);
        }

        /// <summary>
        /// Partial edit result if ModelState is valid, otherwise simple JSON result for success
        /// </summary>
        /// <param name="categoryModel">Category model to be saved.</param>
        [HttpPost, ValidateInput(false)]
        public ActionResult EditCategory(CategoryDataModel categoryModel)
        {
            if (!ModelState.IsValid)
                return PartialView("~/Views/Deviations/_CategoryEditPartial.cshtml", categoryModel);

            if (categoryModel.Id == -1)
            {
                var claim = categoryModel.ToCategory();

                _appendixService.InsertCategory(claim);
            }
            else
            {
                var disturbance = _appendixService.GetCategoryById(categoryModel.Id);

                disturbance.Description = categoryModel.Description;

                _appendixService.UpdateCategory(disturbance);
            }

            return new JsonResult
            {
                Data = "success"
            };
        }

        /// <summary>
        /// Simple JSON result for deleting a specific category
        /// </summary>
        /// <param name="id">Category id.</param>
        [HttpPost]
        public ActionResult DeleteCategory(int id)
        {
            var category = _appendixService.GetCategoryById(id);

            if (category != null)
                _appendixService.DeleteCategory(category);

            return new JsonResult
            {
                Data = "success"
            };
        }

        #endregion
    }
}