using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Entity;
using System.Linq;
using System.Net;
using System.Web;
using System.Web.Mvc;
using StockManMVC.Models;

namespace StockManMVC.Controllers
{
    public class ItemsController : Controller
    {
        private StockManEntities db = new StockManEntities();

        /// <summary>
        /// Selezione
        /// </summary>
        /// <param name="SearchVal"></param>
        /// <returns></returns>
        public static IEnumerable<Item> Select(string SearchVal)
        {
            StockManEntities db = new StockManEntities();
            var answ = db.Item.Where(s => s.Descr.Contains(SearchVal)
                                 || s.DescrExt.Contains(SearchVal)
                                 || s.ItemFamilyID.Contains(SearchVal)
                                 || s.ItemFamily.Descr.Contains(SearchVal)
                                 || s.CodInt.Contains(SearchVal)
                                 || s.CodExt.Contains(SearchVal)
                                );
            return answ;
        }
        /// <summary>
        /// Ricerca con selezione parametri
        /// </summary>
        /// <param name="SearchVal"></param>
        /// <param name="OrderBy"></param>
        /// <param name="Sort"></param>
        /// <returns></returns>
        public static IEnumerable<Item> Order(string SearchVal, string OrderBy, string Sort)
        {
            IEnumerable<Item> answ = Select(SearchVal);
            switch (OrderBy)
            {
                case "codint":
                    if (Sort == "dsc")
                    {
                        answ = answ.OrderByDescending(x => x.CodInt);
                    }
                    else
                    {
                        answ = answ.OrderBy(x => x.CodInt);
                    }
                    break;
                case "codext":
                    if (Sort == "dsc")
                    {
                        answ = answ.OrderByDescending(x => x.CodExt);
                    }
                    else
                    {
                        answ = answ.OrderBy(x => x.CodExt);
                    }
                    break;
                case "descrext":
                    if (Sort == "dsc")
                    {
                        answ = answ.OrderByDescending(x => x.DescrExt);
                    }
                    else
                    {
                        answ = answ.OrderBy(x => x.DescrExt);
                    }
                    break;
                case "family":
                    if (Sort == "dsc")
                    {
                        answ = answ.OrderByDescending(x => x.ItemFamilyID);
                    }
                    else
                    {
                        answ = answ.OrderBy(x => x.ItemFamilyID);
                    }
                    break;
                case "qtapend":
                    if (Sort == "dsc")
                    {
                        answ = answ.OrderByDescending(x => x.QtaPend);
                    }
                    else
                    {
                        answ = answ.OrderBy(x => x.QtaPend);
                    }
                    break;
                case "currvalue":
                    if (Sort == "dsc")
                    {
                        answ = answ.OrderByDescending(x => x.CurrValue);
                    }
                    else
                    {
                        answ = answ.OrderBy(x => x.CurrValue);
                    }
                    break;
                case "totval":
                    if (Sort == "dsc")
                    {
                        answ = answ.OrderByDescending(x => x.CurrValue * x.QtaPend);
                    }
                    else
                    {
                        answ = answ.OrderBy(x => x.CurrValue * x.QtaPend);
                    }
                    break;
                case "descr":
                default:
                    if (Sort == "dsc")
                    {
                        answ = answ.OrderByDescending(x => x.Descr);
                    }
                    else
                    {
                        answ = answ.OrderBy(x => x.Descr);
                    }
                    break;
            }
            return answ;
            //return Select(SearchVal).OrderBy(x => x.Descr);
        }
        /// <summary>
        /// Ricerca con paginazione
        /// </summary>
        /// <param name="SearchVal"></param>
        /// <param name="OrderBy"></param>
        /// <param name="Sort"></param>
        /// <param name="startRowIndex"></param>
        /// <param name="maximumRows"></param>
        /// <returns></returns>
        public static IEnumerable<Item> SelectPage(string SearchVal, string OrderBy, string Sort, int startRowIndex, int maximumRows)
        {
            return Order(SearchVal, OrderBy, Sort).Skip(startRowIndex * maximumRows).Take(maximumRows);
        }
        /// <summary>
        /// Elenco x famiglia ordine qta desc
        /// </summary>
        /// <param name="FamilyID"></param>
        /// <param name="startRowIndex"></param>
        /// <param name="maximumRows"></param>
        /// <returns></returns>
        public ActionResult ListByFamily(string FamilyID)
        {

            if (FamilyID == null) FamilyID = "";
            var item = db.Item.Where(s => s.ItemFamilyID == FamilyID).OrderByDescending(x=>x.QtaPend);
            return PartialView("ListByFamily", item);
        }

        // GET: Items/Consolidate/5?caller=callingController
        public ActionResult Consolidate(int? id, string caller)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            // chiamo stored x consolidamento flussi (da movimenti a giacenza confermata)
            using (var ctx = new StockManEntities())
            {
                // esegue stored procedure come function, SE id == 0 processa TUTTI...
                int rowMod = ctx.stp_ItemConsolidate(id);
            }

            // se non specificati rimando a /Items/Details
            if (caller == "") caller = "Items";

            // rimanda alla view principale da cui è stata fatta la chiamata...
            if (caller == "Items")
            {
                return RedirectToAction("Details", "Items", new { ID = id, StockItemID = id, FluxItemID = id });
            }
            else
            {
                return RedirectToAction("Index", "vItemFlux2Save");
            }
        }

        // GET: Items/ShrinkHistory/5?caller=callingController
        public ActionResult ShrinkHistory(int? id, string caller)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            // chiamo stored x consolidamento flussi (da movimenti a giacenza confermata)
            using (var ctx = new StockManEntities())
            {
                // esegue stored procedure come function, SE id == 0 processa TUTTI...
                int rowMod = ctx.stp_ItemShrinkHist(id);
            }

            // se non specificati rimando a /Items/Details
            if (caller == "") caller = "Items";

            // rimanda alla view principale da cui è stata fatta la chiamata...
            if (caller == "Items")
            {
                return RedirectToAction("Details", "Items", new { ID = id, StockItemID = id, FluxItemID = id });
            }
            else
            {
                return RedirectToAction("Index", "vItemFlux2Save");
            }
        }

        /// <summary>
        /// calcolo num risultati
        /// </summary>
        /// <param name="SearchVal"></param>
        /// <returns></returns>
        public static int SelectCount(string SearchVal)
        {
            return Select(SearchVal).Count();
        }

        // GET: Items
        public ActionResult Index(int? id)
        {
            var item = db.Item.Include(i => i.ItemFamily);
            if (id == null) id = 0;
            ViewBag.ItemID = (int)id;
            return View(item.ToList());
        }


        public ActionResult Grid()
        {
            var item = db.Item.Include(i => i.ItemFamily);
            return View(item.ToList());
        }

        // GET: Items/Details/5
        public ActionResult Details(int? id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            Item item = db.Item.Find(id);
            if (item == null)
            {
                return HttpNotFound();
            }
            return View(item);
        }


        // GET: Items/CurrItemDetail/5
        public ActionResult CurrItemDetail(int? id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            Item item = db.Item.Find(id);
            if (item == null)
            {
                return HttpNotFound();
            }
            return PartialView("_ItemDetail", item);
        }


        // GET: Items/Create
        public ActionResult Create()
        {
            ViewBag.ItemFamilyID = new SelectList(db.ItemFamily, "ID", "Descr");
            return View();
        }

        // POST: Items/Create
        // To protect from overposting attacks, please enable the specific properties you want to bind to, for 
        // more details see http://go.microsoft.com/fwlink/?LinkId=317598.
        [HttpPost]
        [ValidateAntiForgeryToken]
        public ActionResult Create([Bind(Include = "ID,Descr,CodInt,ItemFamilyID,CodExt,DescrExt,QtaMin,QtaBatch,CurrValue")] Item item)
        {
            if (ModelState.IsValid)
            {
                db.Item.Add(item);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            ViewBag.ItemFamilyID = new SelectList(db.ItemFamily, "ID", "Descr", item.ItemFamilyID);
            return View(item);
        }


        // GET: Items/Duplicate/5
        public ActionResult Duplicate(int? id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            int newId = 0;
            // ora chiamo stored e recupero nuovo ID del record duplicato
            using (var ctx = new StockManEntities())
            {
                // esegue stored procedure come function, recuperando nuovo ID creato...
                var newItem = ctx.stp_ItemDuplicate(id).ToList<Item>();
                newId = newItem[0].ID;
            }

            // rimando in editing!
            return RedirectToAction("Edit", "Items", new { ID = newId, mode = "full" });
        }

        // GET: Items/Edit/5
        public ActionResult Edit(int? id, string mode)
        {

            if (mode == null)
            {
                mode = "std";
            }
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            Item item = db.Item.Find(id);
            if (item == null)
            {
                return HttpNotFound();
            }
            ViewBag.ItemFamilyID = new SelectList(db.ItemFamily, "ID", "Descr", item.ItemFamilyID);
            ViewBag.mode = mode;
            if (mode == "std")
            {
                return PartialView("_Edit", item);
            }
            else
            {
                return View("Edit", item);
            }
        }

#if false
        // GET: Items/Edit/5
        public ActionResult EditFull(int? id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            Item item = db.Item.Find(id);
            if (item == null)
            {
                return HttpNotFound();
            }
            ViewBag.ItemFamilyID = new SelectList(db.ItemFamily, "ID", "Descr", item.ItemFamilyID);
            return View("Edit", item);
        } 
#endif

        // POST: Items/Edit/5
        // To protect from overposting attacks, please enable the specific properties you want to bind to, for 
        // more details see http://go.microsoft.com/fwlink/?LinkId=317598.
        [HttpPost]
        [ValidateAntiForgeryToken]
        public ActionResult Edit([Bind(Include = "ID,Descr,CodInt,ItemFamilyID,CodExt,DescrExt,QtaMin,QtaBatch,CurrValue")] Item item)
        {
            if (ModelState.IsValid)
            {
                db.Entry(item).State = EntityState.Modified;
                db.SaveChanges();
                return RedirectToAction("Details", "Items", new { ID = item.ID, StockItemID = item.ID, FluxItemID = item.ID });
            }
            ViewBag.ItemFamilyID = new SelectList(db.ItemFamily, "ID", "Descr", item.ItemFamilyID);
            return View("Edit", item);
        }

        // GET: Items/Delete/5
        public ActionResult Delete(int? id)
        {
            if (id == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }
            Item item = db.Item.Find(id);
            if (item == null)
            {
                return HttpNotFound();
            }
            return View(item);
        }

        // POST: Items/Delete/5
        [HttpPost, ActionName("Delete")]
        [ValidateAntiForgeryToken]
        public ActionResult DeleteConfirmed(int id)
        {
            Item item = db.Item.Find(id);
            db.Item.Remove(item);
            db.SaveChanges();
            return RedirectToAction("Index");
        }

        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                db.Dispose();
            }
            base.Dispose(disposing);
        }
    }
}