//#include <MIDI.h>
#include <ArduinoJson.h>
#include <SD.h>
#include <SPI.h>
#include <ButtonGestures.h>
#include <LCD_I2C.h>


#define MIDI_CHANNEL_GLOBAL 1
#define BUTTON_A 2
#define BUTTON_B 3
#define BUTTON_C 4
#define BUTTON_D 5
#define BUTTON_E 6
#define BUTTON_F 7
#define BUTTON_CONFIG 8 // botão config
#define CS_PIN 10
#define pinFxPot A0 // potenciômetro do pedal de expressão

LCD_I2C lcd(0x27, 16, 2); // Default address of most PCF8574 modules, change according

#define MODE_CLICK 0
#define MODE_CONFIG 1
byte currentMode = MODE_CLICK;

// --- Variáveis Globais ---
int menuNumber = 1;       
bool subMenu = 0;

int banks[10][6] {
  {0,1,2,3,4,5},
  {6,7,8,9,10,11},
  // {12,13,14,15,16,17},
  // {18,19,20,21,22,23},
  // {24,25,26,27,28,29},
  // {30,31,32,33,34,35},
  // {36,37,38,39,40,41},
  // {42,43,44,45,46,47},
  // {48,49,50,51,52,53},
  // {54,55,56,57,58,59},
};

int presets[10][6] {
  {0,1,2,3,4,5},
  {6,7,8,9,10,11},
  {12,13,14,15,16,17},
  {18,19,20,21,22,23},
  {24,25,26,27,28,29},
  {30,31,32,33,34,35},
  {36,37,38,39,40,41},
  {42,43,44,45,46,47},
  {48,49,50,51,52,53},
  {54,55,56,57,58,59},
};



int bank = 0;
int bankPosition = 0;
int lastStateFxPot;

// Arduino pin | Active HIGH/LOW | Input Mode
ButtonGestures buttonA(BUTTON_A, LOW, INPUT_PULLUP);
ButtonGestures buttonB(BUTTON_B, LOW, INPUT_PULLUP);
ButtonGestures buttonC(BUTTON_C, LOW, INPUT_PULLUP);
ButtonGestures buttonD(BUTTON_D, LOW, INPUT_PULLUP);
ButtonGestures buttonE(BUTTON_E, LOW, INPUT_PULLUP);
ButtonGestures buttonF(BUTTON_F, LOW, INPUT_PULLUP);
ButtonGestures buttonConfig(BUTTON_CONFIG, LOW, INPUT_PULLUP);

// Configuration that we'll store on disk
struct Config {
  char hostname[64];
  int port;
};

const char *filename = "/config.txt";  // <- SD library uses 8.3 filenames
Config config;                         // <- global configuration object

File dataFile;

void changeDisplay(int bankValue) {
  lcd.setCursor(0, 0);
  lcd.print(F(">"));
}

void report_button(const uint8_t state, const uint8_t button)  {
    switch (state) {
        case SINGLE_PRESS_SHORT: 
          Serial.println(F("Single click"));
          execClick(button, 1);
          break;
        case SINGLE_PRESS_LONG:  
          Serial.println(F("Single click and hold"));
          execClick(button, 2);
          break;
        case DOUBLE_PRESS_SHORT: 
          execClick(button, 3);
          Serial.println(F("Double click"));   
          break;
        case DOUBLE_PRESS_LONG: 
          Serial.println(F("Double click and hold"));
          execClick(button, 4);
          break;
        case TRIPLE_PRESS_SHORT: 
          Serial.println(F("Triple click"));
          execClick(button, 5);
          break;
        case TRIPLE_PRESS_LONG:
          Serial.println(F("Triple click and hold"));
          execClick(button, 6);
          break;
        case NOT_PRESSED:
        default:
          return;
    }

}

//executar o clique
void execClick(const uint8_t button, const uint8_t clickType) {
  Serial.println(button);
  Serial.println(clickType);
  // 1 recuperar os dados do clique em questão para executar
  // qual banco
  // qual footswitch
  // qual tipo de clique



  // 2 executar
}

void setup(void) {
  Serial.begin(9600);

  //MIDI.begin(MIDI_CHANNEL_OMNI);

  pinMode(pinFxPot,INPUT);
  lastStateFxPot = constrain(map(analogRead(pinFxPot), 0, 1023, 0, 127), 0, 127);

  Serial.println(F("123123123"));

  while (!Serial) continue;

  // Initialize SD library
  while (!SD.begin()) {
    Serial.println(F("Failed to initialize SD library"));
    delay(1000);
  }

  // Should load default config if run for the first time
  Serial.println(F("Loading configuration..."));
  loadConfiguration(filename, config);

  // Dump config file
  Serial.println(F("Print config file..."));
  printFile(filename);

  // Create configuration file
  Serial.println(F("Saving configuration..."));
  saveConfiguration(filename, config);

  // Dump config file
  Serial.println(F("Print config file..."));
  printFile(filename);



}


void loop(void) {
    report_button(buttonA.check_button(), 1);
    report_button(buttonB.check_button(), 2);
    report_button(buttonC.check_button(), 3);
    report_button(buttonD.check_button(), 4);
    report_button(buttonE.check_button(), 5);
    report_button(buttonF.check_button(), 6);
    report_button(buttonConfig.check_button(), 7);
    
    int mapPot = constrain(map(analogRead(pinFxPot), 0, 1023, 0, 127), 0, 127); 

    if (abs(mapPot - lastStateFxPot) > 1) {
      Serial.print("Leitura = ");
      Serial.print(mapPot);
      Serial.print(" | Ultimo = ");
      Serial.println(lastStateFxPot);
    }

    lastStateFxPot = constrain(map(analogRead(pinFxPot), 0, 1023, 0, 127), 0, 127);    
}