riversong code showcase

Source/Riversong/Game/UI/Helpers/TextFormatHelper.cs

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+using System;
+using System.Text;
+
+namespace DanieleMarotta.RiversongCodeShowcase
+{
+    public class TextFormatHelper
+    {
+        public string Pluralize(int value, string singular, string plural)
+        {
+            return value == 1 ? singular : plural;
+        }
+
+        public string FormatImportantText(string text)
+        {
+            return $"<b>{text}</b>";
+        }
+
+        public void FormatImportantText(StringBuilder sb, string text)
+        {
+            sb.Append("<b>");
+            sb.Append(text);
+            sb.Append("</b>");
+        }
+
+        public void FormatUnlockConditions(UnlockDefinition unlock, StringBuilder sb)
+        {
+            if (unlock.Type != UnlockType.UnlockBuilding || unlock.Conditions.Count <= 0) return;
+
+            sb.Append("To unlock the ");
+            FormatImportantText(sb, unlock.Building.BuildingName);
+            sb.AppendLine(", your village needs a little more:");
+
+            foreach (var condition in unlock.Conditions)
+            {
+                sb.AppendLine();
+                FormatUnlockCondition(sb, condition);
+            }
+        }
+
+        private void FormatUnlockCondition(StringBuilder sb, UnlockCondition condition)
+        {
+            sb.Append("\u2022 ");
+
+            switch (condition.Type)
+            {
+                case UnlockConditionType.BuildingPlaced:
+                    sb.Append("Add a ");
+                    FormatImportantText(sb, condition.Building.BuildingName);
+                    sb.Append(" to your village");
+                    return;
+
+                case UnlockConditionType.HouseCountAtTierOrAbove:
+                    sb.Append("Grow ");
+                    sb.Append(condition.HouseCount);
+                    sb.Append(' ');
+                    sb.Append(Pluralize(condition.HouseCount, "house", "houses"));
+                    sb.Append(" to tier ");
+                    sb.Append(condition.MinHouseTierIndex + 1);
+                    return;
+
+                default:
+                    throw new ArgumentOutOfRangeException();
+            }
+        }
+    }
+}