feat: initial prototype (#3)

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Reviewed-on: #3
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>

src/modules/generateScore.ts

@@ -0,0 +1,27 @@
+/**
+ * @copyright NHCarrigan
+ * @license Naomi's Public License
+ * @author Naomi Carrigan
+ */
+
+import { Score } from "../interfaces/score.js";
+
+/**
+ * Uses our odds spread to calculate the result of
+ * a throw, returning the appropriate score from the
+ * enum.
+ * @returns The number of points the user earned.
+ */
+export const generateScore = (): number => {
+  const random = Math.floor(Math.random() * 100);
+  if (random < 10) {
+    return Score.COUNTER;
+  }
+  if (random < 50) {
+    return Score.FAIL;
+  }
+  if (random < 95) {
+    return Score.SUCCEED;
+  }
+  return Score.BONUS;
+};