From 9bf38a1487c760f9ad8b65839baaca55b4b9e574 Mon Sep 17 00:00:00 2001
From: fdlt3817 <can.hacioglu@lt.hs-fulda.de>
Date: Fri, 10 Feb 2023 15:12:49 +0100
Subject: [PATCH] Create function to set saving goal

---
 src/interestCalculator.c | 25 ++++++++++++++++++++++---
 src/interestCalculator.h |  1 +
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/src/interestCalculator.c b/src/interestCalculator.c
index 6998887..0764a39 100644
--- a/src/interestCalculator.c
+++ b/src/interestCalculator.c
@@ -20,6 +20,24 @@ void troubleshoot(int errorCode){
     }
 }
 
+void askForSavingGoal(float principalAmount, float accInterestPerYear){
+    char c;
+    float goal;
+    float timeForGoal;
+    printf("\nWould you like to set a saving goal?");
+    scanf(" %c",&c);
+    
+    if(c=='y'||c=='Y'){
+        printf("\nPlease enter your goal amount in €:");
+        scanf("%f",&goal);
+        timeForGoal=(goal-principalAmount)/accInterestPerYear;
+        printf("In %.1f years you will reach your goal of %f.\n", timeForGoal, goal);
+    }else{
+        //error
+    }
+
+}
+
 float initiateInterest(float principalAmount, float interest, float time){
     return principalAmount*(1+(interest*time));
 }
@@ -67,6 +85,7 @@ void calculateYearlyInterest(){
 
     float result= initiateInterest(principalAmount,interestDecimal,timeInYears);
     printf("\nAmount with the interest is %.2f€.",result);
+    askForSavingGoal(principalAmount,principalAmount*interestDecimal);
 }
 void calculateMonthlyInterest(){
     float principalAmount;
@@ -123,8 +142,8 @@ void initiateCalculator(){
     }
 }
 
-// int main(){
+int main(){
 
-//     initiateCalculator();
+    initiateCalculator();
 
-// }
+}
diff --git a/src/interestCalculator.h b/src/interestCalculator.h
index 9dfb731..0c9c3b9 100644
--- a/src/interestCalculator.h
+++ b/src/interestCalculator.h
@@ -5,6 +5,7 @@
 
 void calculateYearlyInterest();
 void calculateMonthlyInterest();
+void askForSavingGoal(float principalAmount, float accInterestPerYear);
 float initiateInterest(float principalAmount, float interest, float time);
 void troubleshoot(int errorCode);
 #endif
\ No newline at end of file