/*  Rui Santos & Sara Santos - Random Nerd Tutorials - https://RandomNerdTutorials.com/esp32-lvgl-ebook/
    THIS EXAMPLE WAS TESTED WITH THE FOLLOWING HARDWARE:
    1) ESP32-2432S028R 2.8 inch 240×320 also known as the Cheap Yellow Display (CYD): https://makeradvisor.com/tools/cyd-cheap-yellow-display-esp32-2432s028r/
      SET UP INSTRUCTIONS: https://RandomNerdTutorials.com/cyd-lvgl/
    2) REGULAR ESP32 Dev Board + 2.8 inch 240x320 TFT Display: https://makeradvisor.com/tools/2-8-inch-ili9341-tft-240x320/ and https://makeradvisor.com/tools/esp32-dev-board-wi-fi-bluetooth/
      SET UP INSTRUCTIONS: https://RandomNerdTutorials.com/esp32-tft-lvgl/
    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files.
    The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*/
#define MAIN

/*  Install the "lvgl" library version 9.X by kisvegabor to interface with the TFT Display - https://lvgl.io/
    *** IMPORTANT: lv_conf.h available on the internet will probably NOT work with the examples available at Random Nerd Tutorials ***
    *** YOU MUST USE THE lv_conf.h FILE PROVIDED IN THE LINK BELOW IN ORDER TO USE THE EXAMPLES FROM RANDOM NERD TUTORIALS ***
    FULL INSTRUCTIONS AVAILABLE ON HOW CONFIGURE THE LIBRARY: https://RandomNerdTutorials.com/cyd-lvgl/ or https://RandomNerdTutorials.com/esp32-tft-lvgl/   */
#include <lvgl.h>

/*  Install the "TFT_eSPI" library by Bodmer to interface with the TFT Display - https://github.com/Bodmer/TFT_eSPI
    *** IMPORTANT: User_Setup.h available on the internet will probably NOT work with the examples available at Random Nerd Tutorials ***
    *** YOU MUST USE THE User_Setup.h FILE PROVIDED IN THE LINK BELOW IN ORDER TO USE THE EXAMPLES FROM RANDOM NERD TUTORIALS ***
    FULL INSTRUCTIONS AVAILABLE ON HOW CONFIGURE THE LIBRARY: https://RandomNerdTutorials.com/cyd-lvgl/ or https://RandomNerdTutorials.com/esp32-tft-lvgl/   */
#include <TFT_eSPI.h>


#include "Weifi.h"
#include "mqtt.h"
#include "handlebme280.h"
#include "grafik.h"
#include "main.h"

#define BMWREADTIME 10000
#define NTPREADTIME 1000

long bmeReadtimer = 0;
long ntpReadtimer = 0;

BME280Data bmedata;

int currentSecond = -1;

void showDateTime(struct tm tinfo);

void setup() {
//  String LVGL_Arduino = String("LVGL Library Version: ") + lv_version_major() + "." + lv_version_minor() + "." + lv_version_patch();
  delay (1000);
  String LVGL_Arduino = String("LVGL Library Version: ") + "9.0.0";
  Serial.begin(115200);
  Serial.println(LVGL_Arduino);

  initBME280();

  // Start LVGL
  setup_grafik();
  Serial.println("LVGL started");

  // Function to draw the GUI
  lv_create_main_gui();
  Serial.println("Main GUI created");

  setValuetoArc(arcTemp, 25.3);
  setValuetoArc(arcHum, 45.0);
  delay(1000);
  // Start WiFi
  connectToWifi();
  
  // Start MQTT
  connectToMqtt();
  Serial.println("MQTT started");

  timeinfo = gettheTime(NTPREADTIME);
  showDateTime(timeinfo);
  
  bmeReadtimer = millis();
  
  drawChart();

/*
  // Register print function for debugging
  lv_log_register_print_cb(log_print);
  Serial.println("Print function registered");

  // Function to draw the GUI
  lv_create_main_gui();
  Serial.println("Main GUI created");
  
  delay(1000);
  
  mqttReconnectTimer = xTimerCreate("mqttTimer", pdMS_TO_TICKS(2000), pdFALSE, (void*)0, reinterpret_cast<TimerCallbackFunction_t>(connectToMqtt));
  wifiReconnectTimer = xTimerCreate("wifiTimer", pdMS_TO_TICKS(2000), pdFALSE, (void*)0, reinterpret_cast<TimerCallbackFunction_t>(connectToWifi));
  WiFi.onEvent(WiFiEvent);
  mqttClient.onConnect(onMqttConnect);
  mqttClient.onDisconnect(onMqttDisconnect);
  mqttClient.onSubscribe(onMqttSubscribe);
  mqttClient.onUnsubscribe(onMqttUnsubscribe);
  mqttClient.onMessage(onMqttMessage);
  mqttClient.setServer(MQTT_HOST, MQTT_PORT);
  mqttClient.setCredentials(BROKER_USER, BROKER_PASS);
  connectToWifi();
*/
}

void loop() {
  timeinfo = gettheTime(NTPREADTIME);
  if (timeinfo.tm_sec == 0) {  // minute over
    showDateTime(timeinfo);
    printLocalTime();
  }
  if (millis() - bmeReadtimer > BMWREADTIME) {
    bmeReadtimer = millis();
    bmedata = readBME280();
    setValuetoArc(arcTemp, bmedata.temp);
    setValuetoArc(arcHum, bmedata.hum);
  }
  lv_task_handler();  // let the GUI do its work
  lv_tick_inc(5);     // tell LVGL how much time has passed
  delay(5);           // let this time pass
}

void showDateTime(struct tm tinfo) {
  char time[6];
  char date[50];
  strftime(time, 6, "%H:%M", &tinfo);
  strftime(date, 50, "%A, %d %B %Y", &tinfo);
  lv_label_set_text(time_label, time);
  lv_label_set_text(date_label, date);
}