#include <TM1637Display.h>

#define CLK 2  // Define CLK pin
#define DIO 3  // Define DIO pin

TM1637Display display(CLK, DIO);

#define PLAYER1_BUTTON 4
#define PLAYER2_BUTTON 5
#define RESET_BUTTON 6
//#define BUZZER_PIN 7

unsigned long player1Time = 300;
unsigned long startTime;



unsigned long player2Time = 300;
bool player1Turn = true;

void setup() {
  Serial.begin(115200);
  pinMode(PLAYER1_BUTTON, INPUT);
  pinMode(PLAYER2_BUTTON, INPUT);
  pinMode(RESET_BUTTON, INPUT);
  // Set up other pin modes for buzzer if needed
  startTime = millis(); // Record the starting time
  display.setBrightness(7); 
}

void loop() {
  if (digitalRead(PLAYER1_BUTTON) == LOW && !player1Turn) {
    player2Time += millis() - player1Time;
    player1Turn = true;
    Serial.println("1");
    // Provide feedback with the buzzer if needed
  }

  if (digitalRead(PLAYER2_BUTTON) == LOW && player1Turn) {
    player1Time += millis() - player1Time;
    player1Turn = false;
    Serial.println("2");
    // Provide feedback with the buzzer if needed
  }

  if (digitalRead(RESET_BUTTON) == LOW) {
    player1Time = 60;
    player2Time = 60;
    player1Turn = true;
    Serial.println("hi");
    // Provide feedback with the buzzer if needed
  }

  displayTime(player1Time, 0);  // Display player 1 time
  delay(1000);  // Optional: add delay to make it easier to read
  displayTime(player2Time, 1);  // Display player 2 time
  delay(1000);  // Optional: add delay to make it easier to read
}

void displayTime(unsigned long time, int player) {
   unsigned long elapsedTime = (millis() - startTime) / 1000; // Calculate elapsed time in seconds

  if (elapsedTime <= player1Time) {
    unsigned long remainingTime = player1Time - elapsedTime;

    // Display remaining time in Minutes:Seconds format
    unsigned int minutes = remainingTime / 60;
    unsigned int seconds = remainingTime % 60;
    display.showNumberDecEx(minutes * 100 , 0b01000000, true);

    if (remainingTime == 0) {
      // Start blinking when countdown reaches 00:00
      while (true) {
        display.showNumberDecEx(0, 0b01000000, true); // Display "00:00"
        delay(500);
        display.clear(); // Clear the display
        delay(500);
      }
    }
  }

  delay(1000);
}