//
// (very simple) CLI
//

// Define the command prompt
#define CLI_PROMPT "CLI> "

// Declare the functions you want to associate with commands
void function1() {  // Implementation of function 1
  Serial.println("Function 1 executed.");
}

void function2() {  // Implementation of function 2
  Serial.println("Function 2 executed.");
}

void function3() {  // Implementation of function 3
  Serial.println("Function 3 executed.");
}

// Define a structure to store command and function
struct CommandFunction {
  const char* command;
  void (*function)();
};

// Create an array with corresponding commands and functions
CommandFunction commands[] = {
  {"command1", function1},
  {"command2", function2},
  {"command3", function3},
  {NULL, NULL} // Marks the end of the array
};

// Function to execute the command
void executeCommand(const char* command) {
  for (int i = 0; commands[i].command != NULL; i++) {
    if (strcmp(command, commands[i].command) == 0) {
      commands[i].function(); // Calls the corresponding function
      return;
    }
  }
  Serial.println("Unknown command.");
}

void setup() {
  // Initialize serial communication
  Serial.begin(9600);
  Serial.println("\nWelcome to Arduino CLI\n");
  Serial.print(CLI_PROMPT); // Display the initial prompt
}

void loop() {
  if (Serial.available() > 0) {
    String inputCmd = Serial.readStringUntil('\n');
    inputCmd.trim(); // Remove any leading or trailing whitespace
    if (inputCmd != "") {
      // Call the function corresponding to the entered command
      executeCommand(inputCmd.c_str());
    }
    Serial.print(CLI_PROMPT); // Display the prompt again after processing the command
  }
}