From defdc35cf8803f75898ebfc85c4bd77d93751b5f Mon Sep 17 00:00:00 2001
From: Elwin Hammer <elwinhamer@gmail.com>
Date: Mon, 15 Apr 2024 16:42:28 +0200
Subject: First setup of a vault puzzle prototype

---
 main/puzzle/vault/vault.cpp | 130 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 main/puzzle/vault/vault.cpp

(limited to 'main')

diff --git a/main/puzzle/vault/vault.cpp b/main/puzzle/vault/vault.cpp
new file mode 100644
index 0000000..3566b3e
--- /dev/null
+++ b/main/puzzle/vault/vault.cpp
@@ -0,0 +1,130 @@
+#include <iostream>
+#include <string>
+#include <array>
+
+// Definitions for puzzle requirements
+constexpr int TOTAL_LEVELS = 5;
+
+// Enumeration for the states of the puzzle
+enum PuzzleState {
+    STATE_UNINITIALIZED,
+    STATE_RESET,
+    STATE_PLAYING,
+    STATE_SOLVED,
+    STATE_ERROR
+};
+
+// This array maps each level to the correct button press
+const std::array<std::string, TOTAL_LEVELS> validButtons = {"A3", "F1", "U4", "C2", "L1"};
+
+PuzzleState puzzleState = STATE_UNINITIALIZED;
+int currentLevel = 0;
+
+// Function prototypes
+void displayCode(int level);
+void sendI2CUpdate(PuzzleState state);
+
+// Simulate sending an I2C update
+void sendI2CUpdate(PuzzleState state) {
+    std::cout << "Sending state " << state << " to main controller via I2C.\n";
+}
+
+// Simulate checking if the vault door is closed
+bool isVaultClosed() {
+    return true; // Return true if the door sensor indicates closed
+}
+
+// Function to display a code on the 7-segment display
+void displayCode(int level) {
+    std::cout << "Displaying code for level " << level << " on the 7-segment display.\n";
+}
+
+// Function to initialize the puzzle
+void initializePuzzle() {
+    if (isVaultClosed()) {
+        puzzleState = STATE_RESET;
+        currentLevel = 1;  // Start at level 1
+        std::cout << "Puzzle initialized. Starting at level " << currentLevel << ".\n";
+        displayCode(currentLevel); // Show the first code
+    } else {
+        std::cout << "Vault door is open. Please close the door to start the puzzle.\n";
+    }
+}
+
+// Function to lock the vault
+void lockVault() {
+    std::cout << "Vault locked.\n";
+}
+
+// Function to unlock the vault
+void unlockVault() {
+    std::cout << "Vault unlocked!\n";
+}
+
+// Function to simulate the buzzer sound
+void playErrorSound() {
+    std::cout << "Playing error sound.\n";
+}
+
+// Function to simulate blinking the 7-segment display
+void blinkDisplay() {
+    std::cout << "7-segment display is blinking to indicate an error.\n";
+}
+
+// Validate the button press for the current level
+bool isValidButtonPress(const std::string& button, int level) {
+    return button == validButtons[level - 1];
+}
+
+// Function to update the state of the puzzle based on the current level
+void updateStateAfterButtonPress(bool validPress) {
+    if (validPress) {
+        if (currentLevel >= TOTAL_LEVELS) {
+            puzzleState = STATE_SOLVED;
+            unlockVault();
+        } else {
+            puzzleState = STATE_PLAYING;
+            displayCode(currentLevel);
+        }
+    } else {
+        puzzleState = STATE_ERROR;
+        playErrorSound();
+        blinkDisplay();
+        lockVault();
+        currentLevel = 1;  // Reset to level 1
+        displayCode(currentLevel);
+    }
+    sendI2CUpdate(puzzleState);  // Notify main controller of the state change
+}
+
+int main() {
+    initializePuzzle();
+    
+    std::string buttonInput;
+
+    while (puzzleState != STATE_SOLVED) {
+        std::cout << "Enter the button pressed for level " << currentLevel << " (format Xn, e.g., A3): ";
+        std::getline(std::cin, buttonInput);
+
+        if (!buttonInput.empty() && isValidButtonPress(buttonInput, currentLevel)) {
+            currentLevel++;
+            if (currentLevel > TOTAL_LEVELS) {
+                puzzleState = STATE_SOLVED;
+                unlockVault();
+                std::cout << "The puzzle is solved and the vault is open!\n";
+            } else {
+                displayCode(currentLevel);
+            }
+        } else {
+            playErrorSound();
+            blinkDisplay();
+            lockVault();
+            puzzleState = STATE_RESET;
+            currentLevel = 1;
+            displayCode(currentLevel);
+        }
+        sendI2CUpdate(puzzleState);
+    }
+
+    return 0;
+}
-- 
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