From 5e318b83ec8151cf883c9850fb26b6e59b4a74b0 Mon Sep 17 00:00:00 2001
From: Ahmed Abdeen <abdeenahmed2002@hotmail.com>
Date: Wed, 15 Jan 2025 21:19:05 +0100
Subject: [PATCH] feat: conjured-items - Added all the strategies

---
 .../gildedrose/AgedBrieItemStrategyImpl.java  | 14 ++++++++++
 .../gildedrose/BackStageItemStrategyImpl.java | 26 +++++++++++++++++++
 .../gildedrose/ConjuredItemStrategyImpl.java  |  9 +++++++
 .../java/com/gildedrose/ItemStrategy.java     | 13 ++++++++++
 .../gildedrose/SulfurasItemStrategyImpl.java  |  8 ++++++
 5 files changed, 70 insertions(+)
 create mode 100644 Java/src/main/java/com/gildedrose/AgedBrieItemStrategyImpl.java
 create mode 100644 Java/src/main/java/com/gildedrose/BackStageItemStrategyImpl.java
 create mode 100644 Java/src/main/java/com/gildedrose/ConjuredItemStrategyImpl.java
 create mode 100644 Java/src/main/java/com/gildedrose/ItemStrategy.java
 create mode 100644 Java/src/main/java/com/gildedrose/SulfurasItemStrategyImpl.java

diff --git a/Java/src/main/java/com/gildedrose/AgedBrieItemStrategyImpl.java b/Java/src/main/java/com/gildedrose/AgedBrieItemStrategyImpl.java
new file mode 100644
index 00000000..acd67918
--- /dev/null
+++ b/Java/src/main/java/com/gildedrose/AgedBrieItemStrategyImpl.java
@@ -0,0 +1,14 @@
+package com.gildedrose;
+
+public class AgedBrieItemStrategyImpl implements ItemStrategy {
+    @Override
+    public void updateQuality(Item item) {
+        if (item.quality < 50) {
+            item.quality = item.quality + 1;
+        }
+        item.sellIn = item.sellIn - 1;
+        if (item.sellIn < 0) {
+            item.quality = item.quality < 50 ? item.quality + 1 : 50;
+        }
+    }
+}
diff --git a/Java/src/main/java/com/gildedrose/BackStageItemStrategyImpl.java b/Java/src/main/java/com/gildedrose/BackStageItemStrategyImpl.java
new file mode 100644
index 00000000..b9cf959e
--- /dev/null
+++ b/Java/src/main/java/com/gildedrose/BackStageItemStrategyImpl.java
@@ -0,0 +1,26 @@
+package com.gildedrose;
+
+public class BackStageItemStrategyImpl implements ItemStrategy {
+    @Override
+    public void updateQuality(Item item) {
+        if (item.quality < 50) {
+            item.quality = item.quality + 1;
+            if (item.sellIn < 11) {
+                if (item.quality < 50) {
+                    item.quality = item.quality + 1;
+                }
+            }
+
+            if (item.sellIn < 6) {
+                if (item.quality < 50) {
+                    item.quality = item.quality + 1;
+                }
+            }
+        }
+        item.sellIn = item.sellIn - 1;
+
+        if (item.sellIn < 0) {
+            item.quality = 0;
+        }
+    }
+}
diff --git a/Java/src/main/java/com/gildedrose/ConjuredItemStrategyImpl.java b/Java/src/main/java/com/gildedrose/ConjuredItemStrategyImpl.java
new file mode 100644
index 00000000..5b2ed3d1
--- /dev/null
+++ b/Java/src/main/java/com/gildedrose/ConjuredItemStrategyImpl.java
@@ -0,0 +1,9 @@
+package com.gildedrose;
+
+public class ConjuredItemStrategyImpl implements ItemStrategy {
+    @Override
+    public void updateQuality(Item item) {
+        item.quality = item.quality > 2 ? item.quality - 2 : 0;
+        item.sellIn = item.sellIn - 1;
+    }
+}
diff --git a/Java/src/main/java/com/gildedrose/ItemStrategy.java b/Java/src/main/java/com/gildedrose/ItemStrategy.java
new file mode 100644
index 00000000..29cff3fc
--- /dev/null
+++ b/Java/src/main/java/com/gildedrose/ItemStrategy.java
@@ -0,0 +1,13 @@
+package com.gildedrose;
+
+public interface ItemStrategy {
+    default void updateQuality(Item item) {
+        if (item.quality > 0) {
+            item.quality = item.quality - 1;
+        }
+        item.sellIn = item.sellIn - 1;
+        if (item.sellIn < 0 && item.quality > 0) {
+            item.quality = item.quality - 1;
+        }
+    }
+}
diff --git a/Java/src/main/java/com/gildedrose/SulfurasItemStrategyImpl.java b/Java/src/main/java/com/gildedrose/SulfurasItemStrategyImpl.java
new file mode 100644
index 00000000..fb053401
--- /dev/null
+++ b/Java/src/main/java/com/gildedrose/SulfurasItemStrategyImpl.java
@@ -0,0 +1,8 @@
+package com.gildedrose;
+
+public class SulfurasItemStrategyImpl implements ItemStrategy {
+    @Override
+    public void updateQuality(Item item) {
+        // Quality remains intact. Not for sel!
+    }
+}