From 6bc8ee9ad6a0b07022951c17620c382596514305 Mon Sep 17 00:00:00 2001
From: hhana1-a <hhana1@live.com>
Date: Sat, 27 Jan 2024 22:21:17 +0100
Subject: [PATCH 1/9] challenge solution

---
 .../1-traffic-light/traffic-light-1.js        | 31 +++++++++++++++----
 .../1-traffic-light/traffic-light-2.js        | 23 +++++++++++++-
 2 files changed, 47 insertions(+), 7 deletions(-)

diff --git a/Week1/prep-exercises/1-traffic-light/traffic-light-1.js b/Week1/prep-exercises/1-traffic-light/traffic-light-1.js
index f1d9169..8461e8f 100644
--- a/Week1/prep-exercises/1-traffic-light/traffic-light-1.js
+++ b/Week1/prep-exercises/1-traffic-light/traffic-light-1.js
@@ -4,19 +4,38 @@
  * that moment.
  */
 const trafficLight = {
-  state: "green",
-};
+  state: "green"};
 
 let rotations = 0;
-while (rotations < 2) {
-  const currentState = trafficLight.state;
+while (rotations <2) {
+  let currentState = trafficLight.state;
   console.log("The traffic light is on", currentState);
 
+
+
   // TODO
   // if the color is green, turn it orange
   // if the color is orange, turn it red
   // if the color is red, add 1 to rotations and turn it green
-}
+
+ switch (currentState) {
+
+  case "green":
+  trafficLight.state = "orange";
+  break;
+
+  case "orange":
+  trafficLight.state = "red";
+  break;
+
+  case "red":
+  trafficLight.state = "green";
+  rotations ++;
+ 
+
+ }}
+
+
 
 /**
  * The output should be:
@@ -28,4 +47,4 @@ The traffic light is on green
 The traffic light is on orange
 The traffic light is on red
 
-*/
+*/ 
diff --git a/Week1/prep-exercises/1-traffic-light/traffic-light-2.js b/Week1/prep-exercises/1-traffic-light/traffic-light-2.js
index 8c6ba95..c182ce7 100644
--- a/Week1/prep-exercises/1-traffic-light/traffic-light-2.js
+++ b/Week1/prep-exercises/1-traffic-light/traffic-light-2.js
@@ -14,11 +14,32 @@ while (cycle < 2) {
   const currentState = trafficLight.possibleStates[trafficLight.stateIndex];
   console.log("The traffic light is on", currentState);
 
+  switch(currentState) {
+
+    case "green":
+    trafficLight.stateIndex++;
+    break;
+
+    case "orange":
+    trafficLight.stateIndex++;
+    break;
+
+    case "red":
+      trafficLight.stateIndex=0;
+      cycle++;
+  
+  }
+
+
+}
+
+  
+
   // TODO
   // if the color is green, turn it orange
   // if the color is orange, turn it red
   // if the color is red, add 1 to cycles and turn it green
-}
+
 
 /**
  * The output should be:

From 3edbc33a873a6d0fa4c107ef5f511d22f6af1231 Mon Sep 17 00:00:00 2001
From: hhana1-a <hhana1@live.com>
Date: Sat, 27 Jan 2024 22:26:09 +0100
Subject: [PATCH 2/9] change

---
 Week1/prep-exercises/1-traffic-light/traffic-light-1.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Week1/prep-exercises/1-traffic-light/traffic-light-1.js b/Week1/prep-exercises/1-traffic-light/traffic-light-1.js
index 8461e8f..606fb33 100644
--- a/Week1/prep-exercises/1-traffic-light/traffic-light-1.js
+++ b/Week1/prep-exercises/1-traffic-light/traffic-light-1.js
@@ -4,11 +4,12 @@
  * that moment.
  */
 const trafficLight = {
-  state: "green"};
+  state: "green",
+};
 
 let rotations = 0;
-while (rotations <2) {
-  let currentState = trafficLight.state;
+while (rotations < 2) {
+  const currentState = trafficLight.state;
   console.log("The traffic light is on", currentState);
 
 

From 29561c0585da3e7c4346fe570c5e44abc37c4484 Mon Sep 17 00:00:00 2001
From: Hana <150429887+hhana1-a@users.noreply.github.com>
Date: Sat, 3 Feb 2024 22:55:35 +0100
Subject: [PATCH 3/9] Update traffic-light.js

---
 .../1-traffic-light/traffic-light.js               | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/Week2/prep-exercises/1-traffic-light/traffic-light.js b/Week2/prep-exercises/1-traffic-light/traffic-light.js
index f4a5c1a..390c422 100644
--- a/Week2/prep-exercises/1-traffic-light/traffic-light.js
+++ b/Week2/prep-exercises/1-traffic-light/traffic-light.js
@@ -6,17 +6,13 @@
  */
 
 function getCurrentState(trafficLight) {
-  // TODO
-  // Should return the current state (i.e. colour) of the `trafficLight`
-  // object passed as a parameter.
+  return trafficLight.possibleStates[trafficLight.stateIndex];
 }
 
 function getNextStateIndex(trafficLight) {
-  // TODO
-  // Return the index of the next state of the `trafficLight` such that:
-  // - if the color is green, it will turn to orange
-  // - if the color is orange, it will turn to red
-  // - if the color is red, it will turn to green
+  trafficLight.stateIndex++;
+  trafficLight.stateIndex > 2 && (trafficLight.stateIndex = 0);
+  return  trafficLight.stateIndex;
 }
 
 // This function loops for the number of seconds specified by the `secs`
@@ -27,7 +23,7 @@ function getNextStateIndex(trafficLight) {
 function waitSync(secs) {
   const start = Date.now();
   while (Date.now() - start < secs * 1000) {
-    // nothing do to here
+    // Nothing to do here, just waiting
   }
 }
 

From 2be5c393e4a612414cc3ab08e3f4aae06ccc7f9b Mon Sep 17 00:00:00 2001
From: Hana <150429887+hhana1-a@users.noreply.github.com>
Date: Sat, 3 Feb 2024 23:48:58 +0100
Subject: [PATCH 4/9] change

---
 Week2/prep-exercises/2-experiments/index.js | 24 +++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/Week2/prep-exercises/2-experiments/index.js b/Week2/prep-exercises/2-experiments/index.js
index 7e5aa92..652604b 100644
--- a/Week2/prep-exercises/2-experiments/index.js
+++ b/Week2/prep-exercises/2-experiments/index.js
@@ -13,6 +13,14 @@ function runExperiment(sampleSize) {
   //    for keeping a count how many times the value 1 is thrown, the second
   //    element for value 2, etc.
 
+  for (let i = 0; i < sampleSize; i++) {
+    const randomValue = Math.floor(Math.random() * 6) + 1;
+    valueCounts[randomValue - 1]++; 
+  }
+
+
+
+
   const results = [];
 
   // TODO
@@ -25,12 +33,21 @@ function runExperiment(sampleSize) {
   //    two decimals, e.g. '14.60'.
   // 3. Then push that string onto the `results` array.
 
+
+  for (const count of valueCounts) {
+    const percentage = (count / sampleSize * 100).toFixed(2);
+    results.push(percentage);
+  }
+
+  
+
   return results;
 }
 
 function main() {
   const sampleSizes = [100, 1000, 1000000];
 
+
   // TODO
   // Write a for..of loop that calls the `runExperiment()` function for each
   // value of the `sampleSizes` array.
@@ -41,6 +58,13 @@ function main() {
   // [ '26.00', '17.00', '10.00', '19.00', '16.00', '12.00' ] 100
   // [ '14.60', '17.10', '19.30', '15.50', '16.70', '16.80' ] 1000
   // [ '16.71', '16.68', '16.69', '16.66', '16.67', '16.59' ] 1000000
+
+  for (const size of sampleSizes) {
+    const experimentResults = runExperiment(size);
+    console.log(experimentResults, size);
+  }
+
+
 }
 
 main();

From 60c47ff88a2ba44497db61a481ad19b3d1c95c96 Mon Sep 17 00:00:00 2001
From: Hana <150429887+hhana1-a@users.noreply.github.com>
Date: Sat, 17 Feb 2024 19:40:35 +0100
Subject: [PATCH 5/9] Update ex2-classes.js

---
 Week4/prep-exercises/1-wallet/ex2-classes.js | 35 ++++++++++++++++++--
 1 file changed, 33 insertions(+), 2 deletions(-)

diff --git a/Week4/prep-exercises/1-wallet/ex2-classes.js b/Week4/prep-exercises/1-wallet/ex2-classes.js
index f016137..59a3ea2 100644
--- a/Week4/prep-exercises/1-wallet/ex2-classes.js
+++ b/Week4/prep-exercises/1-wallet/ex2-classes.js
@@ -3,10 +3,14 @@ import eurosFormatter from './euroFormatter.js';
 class Wallet {
   #name;
   #cash;
+  #dailyAllowance;
+  #dayTotalWithdrawals;
 
-  constructor(name, cash) {
+  constructor(name, cash, dailyAllowance = 40) {
     this.#name = name;
     this.#cash = cash;
+    this.#dailyAllowance = dailyAllowance;
+    this.#dayTotalWithdrawals = 0;
   }
 
   get name() {
@@ -15,6 +19,7 @@ class Wallet {
 
   deposit(amount) {
     this.#cash += amount;
+    this.checkResetDailyAllowance();
   }
 
   withdraw(amount) {
@@ -23,7 +28,13 @@ class Wallet {
       return 0;
     }
 
+    if (this.#dayTotalWithdrawals + amount > this.#dailyAllowance) {
+      console.log(`Exceeds daily withdrawal limit!`);
+      return 0;
+    }
+
     this.#cash -= amount;
+    this.#dayTotalWithdrawals += amount;
     return amount;
   }
 
@@ -34,7 +45,9 @@ class Wallet {
       }`
     );
     const withdrawnAmount = this.withdraw(amount);
-    wallet.deposit(withdrawnAmount);
+    if (withdrawnAmount > 0) {
+      wallet.deposit(withdrawnAmount);
+    }
   }
 
   reportBalance() {
@@ -42,6 +55,24 @@ class Wallet {
       `Name: ${this.name}, balance: ${eurosFormatter.format(this.#cash)}`
     );
   }
+
+  resetDailyAllowance() {
+    this.#dayTotalWithdrawals = 0;
+  }
+
+  setDailyAllowance(newAllowance) {
+    this.#dailyAllowance = newAllowance;
+  }
+
+  checkResetDailyAllowance() {
+    if (this.#dayTotalWithdrawals === 0) return;
+    const now = new Date();
+    const lastWithdrawalDate = new Date();
+    lastWithdrawalDate.setTime(now.getTime() - 24 * 60 * 60 * 1000); // 24 hours ago
+    if (lastWithdrawalDate.getDate() !== now.getDate()) {
+      this.resetDailyAllowance();
+    }
+  }
 }
 
 function main() {

From d34880b4e0eb772ab3405ae36c115a140c590e27 Mon Sep 17 00:00:00 2001
From: Hana <150429887+hhana1-a@users.noreply.github.com>
Date: Sat, 17 Feb 2024 19:41:15 +0100
Subject: [PATCH 6/9] update

---
 Week4/prep-exercises/1-wallet/ex2-classes.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Week4/prep-exercises/1-wallet/ex2-classes.js b/Week4/prep-exercises/1-wallet/ex2-classes.js
index 59a3ea2..edd1766 100644
--- a/Week4/prep-exercises/1-wallet/ex2-classes.js
+++ b/Week4/prep-exercises/1-wallet/ex2-classes.js
@@ -11,7 +11,7 @@ class Wallet {
     this.#cash = cash;
     this.#dailyAllowance = dailyAllowance;
     this.#dayTotalWithdrawals = 0;
-  }
+  } 
 
   get name() {
     return this.#name;

From 485be2f4e03d1d1fae1eceaf683da6a37634aa53 Mon Sep 17 00:00:00 2001
From: Hana <150429887+hhana1-a@users.noreply.github.com>
Date: Sat, 17 Feb 2024 20:05:17 +0100
Subject: [PATCH 7/9] ex3

---
 Week4/prep-exercises/1-wallet/ex3-object.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Week4/prep-exercises/1-wallet/ex3-object.js b/Week4/prep-exercises/1-wallet/ex3-object.js
index e94faac..75504e8 100644
--- a/Week4/prep-exercises/1-wallet/ex3-object.js
+++ b/Week4/prep-exercises/1-wallet/ex3-object.js
@@ -4,6 +4,9 @@ function createWallet(name, cash = 0) {
   return {
     _name: name,
     _cash: cash,
+    _dailyAllowance: 40,
+    _dayTotalWithdrawals: 0,
+
 
     deposit: function (amount) {
       this._cash += amount;
@@ -14,8 +17,13 @@ function createWallet(name, cash = 0) {
         console.log(`Insufficient funds!`);
         return 0;
       }
+      if(this._dayTotalWithdrawals + amount > this._dailyAllowance){
+        console.log(`Insufficient remaining daily allowance!`);
+      return 0;
+      }
 
       this._cash -= amount;
+      this._dayTotalWithdrawals += amount;
       return amount;
     },
 
@@ -29,6 +37,14 @@ function createWallet(name, cash = 0) {
       wallet.deposit(withdrawnAmount);
     },
 
+    setDailyAllowance: function (newAllowance){
+       this._dailyAllowance = newAllowance;
+       console.log(`Allowance set to ${eurosFormatter.format(newAllowance)} `)
+    },
+    resetDailyAllowance: function(){
+      this._dayTotalWithdrawals = 0;
+    },
+
     reportBalance: function () {
       console.log(
         `Name: ${this._name}, balance: ${eurosFormatter.format(this._cash)}`

From 9a7b8a886346951a889da6ecad185f7ed4ea0968 Mon Sep 17 00:00:00 2001
From: Hana <150429887+hhana1-a@users.noreply.github.com>
Date: Sat, 17 Feb 2024 20:18:47 +0100
Subject: [PATCH 8/9] change

---
 .../1-wallet/ex4-object-shared-methods.js        | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Week4/prep-exercises/1-wallet/ex4-object-shared-methods.js b/Week4/prep-exercises/1-wallet/ex4-object-shared-methods.js
index bd4fd20..299d967 100644
--- a/Week4/prep-exercises/1-wallet/ex4-object-shared-methods.js
+++ b/Week4/prep-exercises/1-wallet/ex4-object-shared-methods.js
@@ -9,8 +9,13 @@ function withdraw(amount) {
     console.log(`Insufficient funds!`);
     return 0;
   }
+  if(this._dayTotalWithdrawals + amount > this._dailyAllowance){
+    console.log(`Insufficient remaining daily allowance!`);
+  return 0;
+  }
 
   this._cash -= amount;
+  this._dayTotalWithdrawals += amount;
   return amount;
 }
 
@@ -29,6 +34,15 @@ function reportBalance() {
     `Name: ${this._name}, balance: ${eurosFormatter.format(this._cash)}`
   );
 }
+ function setDailyAllowance(newAllowance){
+  this._dailyAllowance = newAllowance;
+  console.log(
+    `Daily allowance ${eurosFormatter.format(newAllowance)}`
+  );
+ }
+ function resetDailyAllowance(){
+  this._dayTotalWithdrawals = 0;
+ }
 
 function getName() {
   return this._name;
@@ -38,6 +52,8 @@ function createWallet(name, cash = 0) {
   return {
     _name: name,
     _cash: cash,
+    _dailyAllowance: 40,
+    _dayTotalWithdrawals: 0,
     deposit,
     withdraw,
     transferInto,

From d942c047bed8592532343e3363dd14ed771c952a Mon Sep 17 00:00:00 2001
From: Hana <150429887+hhana1-a@users.noreply.github.com>
Date: Sat, 17 Feb 2024 20:27:22 +0100
Subject: [PATCH 9/9] update

---
 .../prep-exercises/1-wallet/ex5-prototype.js  | 29 +++++++++++++++----
 1 file changed, 24 insertions(+), 5 deletions(-)

diff --git a/Week4/prep-exercises/1-wallet/ex5-prototype.js b/Week4/prep-exercises/1-wallet/ex5-prototype.js
index 7cba410..c9eb9ec 100644
--- a/Week4/prep-exercises/1-wallet/ex5-prototype.js
+++ b/Week4/prep-exercises/1-wallet/ex5-prototype.js
@@ -3,23 +3,32 @@ import eurosFormatter from './euroFormatter.js';
 function Wallet(name, cash) {
   this._name = name;
   this._cash = cash;
+  this._dailyAllowance = 40;
+  this._dayTotalWithdrawals = 0;
 }
 
-Wallet.prototype.deposit = function (amount) {
+Wallet.prototype.deposit = function(amount) {
   this._cash += amount;
+  this.checkResetDailyAllowance();
 };
 
-Wallet.prototype.withdraw = function (amount) {
+Wallet.prototype.withdraw = function(amount) {
   if (this._cash - amount < 0) {
     console.log(`Insufficient funds!`);
     return 0;
   }
 
+  if (this._dayTotalWithdrawals + amount > this._dailyAllowance) {
+    console.log(`Exceeds daily withdrawal limit!`);
+    return 0;
+  }
+
   this._cash -= amount;
+  this._dayTotalWithdrawals += amount;
   return amount;
 };
 
-Wallet.prototype.transferInto = function (wallet, amount) {
+Wallet.prototype.transferInto = function(wallet, amount) {
   console.log(
     `Transferring ${eurosFormatter.format(amount)} from ${
       this._name
@@ -29,16 +38,26 @@ Wallet.prototype.transferInto = function (wallet, amount) {
   wallet.deposit(withdrawnAmount);
 };
 
-Wallet.prototype.reportBalance = function () {
+Wallet.prototype.reportBalance = function() {
   console.log(
     `Name: ${this._name}, balance: ${eurosFormatter.format(this._cash)}`
   );
 };
 
-Wallet.prototype.getName = function () {
+Wallet.prototype.getName = function() {
   return this._name;
 };
 
+Wallet.prototype.resetDailyAllowance = function() {
+  this._dayTotalWithdrawals = 0;
+};
+
+Wallet.prototype.setDailyAllowance = function(newAllowance) {
+  this._dailyAllowance = newAllowance;
+};
+
+
+
 function main() {
   const walletJack = new Wallet('Jack', 100);
   const walletJoe = new Wallet('Joe', 10);