From ad8263292a0521f2371533ff51947a9066bbc078 Mon Sep 17 00:00:00 2001
From: Voldart <74236937+bohdandash@users.noreply.github.com>
Date: Sun, 23 Apr 2023 16:04:48 +0300
Subject: [PATCH] Update

---
 csharp/GildedRose.cs | 129 ++++++++++++++++++++-----------------------
 1 file changed, 59 insertions(+), 70 deletions(-)

diff --git a/csharp/GildedRose.cs b/csharp/GildedRose.cs
index c60d97a0..dda83ab1 100644
--- a/csharp/GildedRose.cs
+++ b/csharp/GildedRose.cs
@@ -2,88 +2,77 @@
 
 namespace csharp
 {
-    public class GildedRose
+    namespace csharp
     {
-        IList<Item> Items;
-        public GildedRose(IList<Item> Items)
+        public class GildedRose
         {
-            this.Items = Items;
-        }
-
-        public void UpdateQuality()
-        {
-            for (var i = 0; i < Items.Count; i++)
+            IList<Item> Items;
+            public GildedRose(IList<Item> Items)
             {
-                if (Items[i].Name != "Aged Brie" && Items[i].Name != "Backstage passes to a TAFKAL80ETC concert")
+                this.Items = Items;
+            }
+
+            public void UpdateQuality()
+            {
+                foreach (var item in Items)
                 {
-                    if (Items[i].Quality > 0)
-                    {
-                        if (Items[i].Name != "Sulfuras, Hand of Ragnaros")
-                        {
-                            Items[i].Quality = Items[i].Quality - 1;
-                        }
-                    }
+                    UpdateItemQuality(item);
+                    UpdateItemSellIn(item);
                 }
-                else
+            }
+
+            private void UpdateItemQuality(Item item)
+            {
+                if (item.Name == "Sulfuras, Hand of Ragnaros")
+                    return;
+
+                if (item.Name == "Aged Brie")
                 {
-                    if (Items[i].Quality < 50)
-                    {
-                        Items[i].Quality = Items[i].Quality + 1;
-
-                        if (Items[i].Name == "Backstage passes to a TAFKAL80ETC concert")
-                        {
-                            if (Items[i].SellIn < 11)
-                            {
-                                if (Items[i].Quality < 50)
-                                {
-                                    Items[i].Quality = Items[i].Quality + 1;
-                                }
-                            }
-
-                            if (Items[i].SellIn < 6)
-                            {
-                                if (Items[i].Quality < 50)
-                                {
-                                    Items[i].Quality = Items[i].Quality + 1;
-                                }
-                            }
-                        }
-                    }
+                    IncreaseQuality(item);
+                    if (item.SellIn < 0)
+                        IncreaseQuality(item);
+                    return;
                 }
 
-                if (Items[i].Name != "Sulfuras, Hand of Ragnaros")
+                if (item.Name == "Backstage passes to a TAFKAL80ETC concert")
                 {
-                    Items[i].SellIn = Items[i].SellIn - 1;
+                    IncreaseQuality(item);
+
+                    if (item.SellIn <= 10)
+                        IncreaseQuality(item);
+
+                    if (item.SellIn <= 5)
+                        IncreaseQuality(item);
+
+                    if (item.SellIn < 0)
+                        item.Quality = 0;
+                    return;
                 }
 
-                if (Items[i].SellIn < 0)
-                {
-                    if (Items[i].Name != "Aged Brie")
-                    {
-                        if (Items[i].Name != "Backstage passes to a TAFKAL80ETC concert")
-                        {
-                            if (Items[i].Quality > 0)
-                            {
-                                if (Items[i].Name != "Sulfuras, Hand of Ragnaros")
-                                {
-                                    Items[i].Quality = Items[i].Quality - 1;
-                                }
-                            }
-                        }
-                        else
-                        {
-                            Items[i].Quality = Items[i].Quality - Items[i].Quality;
-                        }
-                    }
-                    else
-                    {
-                        if (Items[i].Quality < 50)
-                        {
-                            Items[i].Quality = Items[i].Quality + 1;
-                        }
-                    }
-                }
+                DecreaseQuality(item);
+
+                if (item.SellIn < 0)
+                    DecreaseQuality(item);
+            }
+
+            private void UpdateItemSellIn(Item item)
+            {
+                if (item.Name != "Sulfuras, Hand of Ragnaros")
+                    item.SellIn -= 1;
+            }
+
+            private void IncreaseQuality(Item item)
+            {
+                if (item.Quality < 50)
+                    item.Quality += 1;
+            }
+
+            private void DecreaseQuality(Item item)
+            {
+                if (item.Quality > 0)
+                    item.Quality -= 1;
             }
         }
     }
+
 }