/***************************************************
Created By [email protected]
Midi Controller for sending CC and codes to synths and pedals
 ****************************************************/
#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
//#include "MIDI.h" < find library

// MIDI Serial Connections
//#define MIDI_IN 0 // labled RX
//#define MIDI_OUT 1 // labled TX

// Encoder Pins
#define Encoder_CLK 2
#define Encoder_DT 3
#define Encoder_Button 4

// Footswitch Pin
#define Foot_Switch 5

// TFT TOUCH Pins
//#define TFT_TOUCH_CS 6
//#define TFT_TOUCH_IRQ 7

#define TFT_DC 9
#define TFT_CS 10
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC); //for Arduino Uno
//#define TFT_MOSI 16
//#define TFT_CLK 15
//#define TFT_RST 8 //important!!
//#define TFT_MISO 14
//Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_CLK, TFT_RST, TFT_MISO);

// TFT LED Pin for Brightness control
//#define TFT_LED 18 // Labeled A0

// Toogle Switch
//#define Toggle_Switch 19 // labeled A1 for Pro Micro
#define Toggle_Switch A1 // for Wowki

// Piezo Buzzer
#define PiezoBuzzer 21 // labled A3

bool commandChanged;
bool debugMode;
bool stateChanged;
int commandMargins = 8;
int lastClk = LOW;
int lastButtonState = HIGH;
int lastFSState = HIGH;
int lastTSState = HIGH;
int guiState; // 0=Menu 1=Page_1_Preset 2=Page_2_Preset 3=Page_3_Preset 4=Page_4_Preset 5=CC_and_Controls
//char commandString[15]; // doesnt work!!

unsigned long lastDebounceTime = 0;  // the last time the output pin was toggled
unsigned long debounceDelay = 50;    // the debounce time; increase if the output flickers

void setup() {
  Serial.begin(9600);
  Serial.println("MIDI Controller Init"); 
  Serial.println("Set Variables"); 
  pinMode(Encoder_CLK, INPUT);
  pinMode(Encoder_DT, INPUT);
  pinMode(Encoder_Button, INPUT_PULLUP);
  pinMode(Foot_Switch, INPUT_PULLUP);
  pinMode(Toggle_Switch, INPUT_PULLUP);
  attachInterrupt(digitalPinToInterrupt(Encoder_CLK), readEncoder, FALLING);
  Serial.println("Screen Setup"); 
  tft.begin();
  tft.setRotation(0);
  Serial.println("Sending Startup Logo"); 
  drawLogo();
  stateChanged = true;
  guiState = 1;
  Serial.println("Checking for startup mods"); 
  checkDebugState();
  int lastTSState = digitalRead(Toggle_Switch);
  toggleMode();
  Serial.println("Moving to Main Menu");
}

void loop(void) {
  buttonRead();
  if (stateChanged == true) {
    Serial.println("Refreshing Display");
    drawMain();
    buttonRead();
    stateChanged = false;
  }
}

void checkDebugState() {
  int newFSState = digitalRead(Foot_Switch);
  if (newFSState != HIGH) {
    Serial.println("FootSwitch press detected during boot.");
    delay(3000);
    if (newFSState != HIGH) {
    debugMode = true;
    Serial.println("FootSwitch held for 3 seconds.");
    Serial.println("Entering Debug Mode.");
    }
  }
}