#include "Weather.h"
#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>
#include <LiquidCrystal_I2C.h>
#include <Keypad.h>
#include <ESP32Servo.h>

// Tanımlanacak
#include "Clock.h"
#include "Weather.h"

#define I2C_ADDR 0x27
#define Lcd_columns 16
#define Lcd_lines 4
uint8_t state;
unsigned long ClockTimer;
unsigned long weatherAPItimer;
unsigned long weatherDisplayTimer;
uint8_t valIndex;
uint8_t cursorPos;

const char* password = "";
const char* wid = "Wokwi-GUEST";
char entered_value [6];
const uint8_t ROWS = 4;
const uint8_t COLS = 4;
char keys[ROWS][COLS] = {
  { '1', '2', '3', 'A' },
  { '4', '5', '6', 'B' },
  { '7', '8', '9', 'C' },
  { '*', '0', '#', 'D' }
};
uint8_t colPins[COLS] = { 21, 20, 19, 18 };
uint8_t rowPins[ROWS] = { 35, 34, 33, 26 };
LiquidCrystal_I2C lcd(I2C_ADDR, Lcd_columns, Lcd_lines);
Clock rtc(&lcd);
Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);
Servo servo;




void setup() {
 
  Wire.begin(15,16);
  lcd.init();
  lcd.backlight();
  WiFi.begin(wid,password);
  servo.attach(14, 500, 2400);
  while (WiFi.status() != WL_CONNECTED)
  {
    lcd.print(".");
    delay(1000);
  }
  lcd.clear();

  if(!rtc.setTimeFromAPI())
  {
    char t [] = __TIME__;
    char compileTime [] = { t[0], t[1], t[3], t[4], t[6], t[7] };
    rtc.setTime(compileTime);
    getWeather(lcd);
    printWeather(lcd);
  }


}

void loop() {
  if (state == 0)
  {
    unsigned long millisNow;
    if (millisNow - ClockTimer >= 1000)
    {
      ClockTimer = millisNow;
      rtc.updateClock();
    }
        if (millisNow - weatherDisplayTimer >= 10000)
    {
      weatherDisplayTimer = millisNow;
      printWeather(lcd);
    }
    if (millisNow - weatherAPItimer >= 3600000)
    {
      weatherAPItimer = millisNow;
      getWeather(lcd);
    }
  }
  getInput(); 

  }
  

void getInput()
{
  switch (state)
  {
    case 0:
      keyPadState0();
      break;
    case 1:
      keyPadState1();
      break;
    case 2:
      keyPadState2();
      break;
  }
}

void keyPadState0()
{
  char key = keypad.getKey();
  switch(key)
  {
    case 'A':
      enterAlarm();
      break;
    case 'C':
      enterTime();
      break;
    case '#':
      rtc.silence();
      break;
    case '*':
      rtc.addToSnooze();
      break;
  }
}

void keyPadState1()
{
  char key = keypad.getKey();
  switch(key)
  {
    case '#':
      rtc.setTime(entered_value);
      state = 0;
      break;
    case '*':
      eraseChar();
      break;
    default:
      if (isDigit(key))
      {
        nextChar(key);
      }
      break;
  }
}

void keyPadState2()
{
  char key = keypad.getKey();
  switch(key)
  {
    case '#':
      rtc.setAlarm(entered_value);
      state = 0;
      break;
    case '*':
      eraseChar();
      break;
    default:
      if (isDigit(key))
      {
        nextChar(key);
      }
      break;
  }
}

void enterAlarm()
{
  state = 2;
  memset(&entered_value[0],0,sizeof(entered_value));
  cursorPos = 0;
  valIndex = 0;
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Alarm Saatini Gir");
  lcd.setCursor(0,1);
  lcd.print("kayıt icin #");
  delay(3000);
  lcd.clear();
}

void enterTime()
{
  state = 1;
  memset(&entered_value[0], 0, sizeof(entered_value));
  cursorPos = 0;
  valIndex = 0;
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Saati Ayarla  ");
  lcd.setCursor(0, 1);
  lcd.print("kayıt icin #");
  delay(3000);
  lcd.clear();
}

void nextChar(char key)
{
  if (valIndex < 6)
  {
    entered_value[valIndex] = key;
    lcd.setCursor(0, 0);
    lcd.print(entered_value);
    cursorPos++;
    valIndex++;
  }
}

void eraseChar()
{
  if (valIndex > 0 )
  {
    valIndex--;
    cursorPos--;
    entered_value[valIndex] = '\0';
    lcd.setCursor(cursorPos, 0);
    lcd.print(' ');
    lcd.setCursor(cursorPos, 0);
  }
}