/* Hello Wokwi! */

#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 20, 4);

int potpin = 0;  // analog pin used to connect the potentiometer
int val;    // variable to read the value from the analog pin
int jump_state = 0; //0 = about to jump, 1 = jumping, 2 = post-jump
int threshold = 500;
long int jump_start = 0;
long int jump_end = 0;
long int jump_time = 0;
long int display_delay = 5000; //time to display jump in milliseconds


void setup() {
  Serial.begin(115200); // Any baud rate should work
  //Serial.println("Hello Arduino\n");

  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("Hello, Wokwi!");
  lcd.setCursor(0, 0);
  lcd.print("Time:         ");
}

void loop() {
  //delay(100);
  //Serial.println("\n");



  lcd.setCursor(6, 0);
  lcd.print(millis() / 1000);
  lcd.print("  ");
  lcd.print(val);
  lcd.print(" ");
  lcd.setCursor(15, 0);
  lcd.print(jump_state);

  val = analogRead(potpin);            // reads the value of the potentiometer (value between 0 and 1023)
  Serial.println(val);

  if(jump_state == 0) {
    //Serial.println("Jump state = 0");
    
    lcd.setCursor(0, 1);
    lcd.print("Ready to record");

    if (val>threshold) {
      jump_state = 1;
      jump_start = millis();
      lcd.setCursor(0, 1);
      lcd.print("               ");
    }

  } else if (jump_state == 1) {
    //Serial.println("Jump state = 1");
    lcd.setCursor(0, 1);
    lcd.print("Jumping!");

    if (val<threshold) {
      //Serial.println("  val_low");
      jump_state = 2;
      jump_end = millis();
      jump_time = jump_end-jump_start;
    }

  } else if (jump_state == 2) {
    //Serial.println("Jump state = 1");
    lcd.setCursor(0, 1);
    lcd.print("Jump = ");
    lcd.print(jump_time);
    if (millis() - jump_end > display_delay){
      jump_state = 0;
    }
  }

  //Serial.println("   ");
  
  //Serial.println(jump_state);
}