adding conditon to handle differents options

Author: Grajales-K

Sprint-3/implement/get-card-value.js

@@ -6,19 +6,23 @@
 
 // Acceptance criteria:
 
-// Given a card string in the format "A♠" (representing a card in blackjack - the last character will always be an emoji for a suit, and all characters before will be a number 2-10, or one letter of J, Q, K, A),
+// Given a card string in the format "A♠" (representing a card in blackjack - 
+// the last character will always be an emoji for a suit, and all characters
+// before will be a number 2-10, or one letter of J, Q, K, A),
 // When the function getCardValue is called with this card string as input,
 // Then it should return the numerical card value
 
 // Handle Number Cards (2-10):
 // Given a card with a rank between "2" and "9",
 // When the function is called with such a card,
-// Then it should return the numeric value corresponding to the rank (e.g., "5" should return 5).
+// Then it should return the numeric value corresponding to the rank 
+// (e.g., "5" should return 5).
 
 // Handle Face Cards (J, Q, K):
 // Given a card with a rank of "10," "J," "Q," or "K",
 // When the function is called with such a card,
-// Then it should return the value 10, as these cards are worth 10 points each in blackjack.
+// Then it should return the value 10, as these cards are worth 10 points each
+//  in blackjack.
 
 // Handle Ace (A):
 // Given a card with a rank of "A",
@@ -29,3 +33,33 @@
 // Given a card with an invalid rank (neither a number nor a recognized face card),
 // When the function is called with such a card,
 // Then it should throw an error indicating "Invalid card rank."
+
+
+function IdentifyNumberCard (input){
+  //we validate and convert into str and upperCase before to compare with our local var
+  const chain = input.toString().toUpperCase();
+
+  //Option that we want to check
+  const faceCards = ["K", "J", "Q", "10"];
+  const ace = "A";
+  const numberCards = [1, 2, 3, 4, 5, 6, 7, 8, 9];
+  const suits = ["♠", "♥", "♣", "♦"];
+
+  if (faceCards.includes(chain)) {
+    return 10;
+  }
+  //!isNaN(chain) ensures that chain is a valid number or a string representation of a number.
+  //to validate the string and verify is a number or string ("abc")=> false, ("1")=>true
+  //!isNaN is not a number? true is number. && convert the chain into number and compare if the input is the NumberCard
+  if (!isNaN(chain) && numberCards.includes(Number(chain))) {
+    return Number(chain);
+  }
+
+  if (chain === ace) {
+    return 11;
+  }
+  //Handle Invalid Cards:
+  throw new Error("Invalid card rank."); // throw does no return values only parameter that does not include the functions
+}
+
+console.log(IdentifyNumberCard(2));