#include <LiquidCrystal.h>
#include <SPI.h>
#include <Wire.h>
LiquidCrystal lcd(7, 6, 5, 4, 3, 2);
String importent_message = "spaghetti";
int Switch = 0;
byte volume = 0x27;
const int sckpin = 13;
const int dinpin = 11;
const int cspin = 10;
const int joystickXPin = A0;
const int joystickYPin = A1;
int joystickXValue = 0;
int joystickYValue = 0;
const int joystickThreshold = 5;
double fmfake = 88.0;

void setup() {
  pinMode(49, INPUT);
  pinMode(sckpin, OUTPUT);
  pinMode(dinpin, OUTPUT);
  pinMode(cspin, OUTPUT);
  pinMode(SS, OUTPUT);
  SPI.begin();
  lcd.begin(16, 2);
  digitalWrite(cspin, LOW);
  Serial.begin(9600);
  pinMode(joystickXPin, INPUT);
  lcd.setCursor(1, 0);
  lcd.print("fakefm");
  pinMode(joystickYPin, INPUT);
  lcd.setCursor(8, 0);
  lcd.print(fmfake);
  lcd.setCursor(1, 1);
  lcd.print(volume);
  Wire.begin();
  lcd.setCursor(1, 6);
  lcd.print("volume");
}

void loop() {
  joystickXValue = analogRead(joystickXPin);
  joystickYValue = analogRead(joystickYPin);

  if (Switch == 0) {
    if (joystickXValue < 512 - joystickThreshold) {
      fmfake += 0.1;
      lcd.setCursor(8, 0);
      lcd.print(fmfake);
      Serial.println("Joystick moved left");
    } else if (joystickXValue > 512 + joystickThreshold) {
      fmfake -= 0.1;
      lcd.setCursor(8, 0);
      lcd.print(fmfake);
      Serial.println("Joystick moved right");
    }

    if (joystickYValue < 512 - joystickThreshold) {
      Serial.println("Joystick moved down");
      Switch += 1;
    } else if (joystickYValue > 512 + joystickThreshold) {
      Serial.println("Joystick moved up");
      Switch -= 1;
    }
  } else {
    if (joystickXValue < 512 - joystickThreshold) {
      Serial.println("Joystick moved left");
      volume += 1;
    } else if (joystickXValue > 512 + joystickThreshold) {
      volume -= 1;
      Serial.println("Joystick moved right");
    }
    lcd.setCursor(1, 1);
    lcd.print(volume);

    if (joystickYValue < 512 - joystickThreshold) {
      Serial.println("Joystick moved down");
      Switch += 1;
    } else if (joystickYValue > 512 + joystickThreshold) {
      Serial.println("Joystick moved up");
      Switch -= 1;
    }
  }
  
  if (Switch < 0) {
    Switch = 0; 
  } else if (Switch == 2) {
    Switch = 1; 
  }
  if (Switch == 1) {
    lcd.setCursor(0, 1);
    lcd.print(">");
    lcd.setCursor(0, 0);
    lcd.print(" ");
  } else if (Switch == 0) {
    lcd.setCursor(0, 0);
    lcd.print(">");
    lcd.setCursor(0, 1);
    lcd.print(" ");
  }
  Serial.print(Switch);
  delay(75);
}