#include <WiFi.h>
#include "DHTesp.h"
#include "ThingSpeak.h"
#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>

#define TFT_DC 2
#define TFT_CS 15
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

#define DHT_PIN 22
#define LDR 34

const char* WIFI_NOME = "Wokwi-GUEST";
const char* WIFI_PASSWORD = "";
const int meuNumeroCanal = 2706612;
const char* minhaApiKey = "OTQWL0JF5W7RPPKT";
const char* servidor = "api.thingspeak.com";

DHTesp dhtSensor;
WiFiClient client;


void setup() {
  Serial.begin(115200);
  Serial.println("Iniciando ...");

  tft.begin();
  tft.setRotation(0);
  tft.fillScreen(ILI9341_BLACK);

  pinMode(LDR, INPUT);

  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  WiFi.begin(WIFI_NOME, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED){
    delay(1000);
    Serial.println("Wifi nao conectado!");
    tft.setTextSize(2); 
    tft.setCursor(10, 20); 
    tft.setTextColor(ILI9341_WHITE); 
    tft.println("WiFi nao conectado!"); 
    delay(500);
  }
  Serial.println("Wifi conectado!");
  tft.fillScreen(ILI9341_BLACK);
  tft.setTextSize(2); 
  tft.setCursor(20, 20); 
  tft.setTextColor(ILI9341_WHITE); 
  tft.print("WiFi conectado!");
  Serial.println("IP Local: " + String(WiFi.localIP()));
  tft.setCursor(20, 40); 
  tft.println("IP Local: ");
  tft.setCursor(20, 60);
  tft.println(String(WiFi.localIP()));
  delay(500);

  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);
  analogReadResolution(10);
  tft.fillScreen(ILI9341_BLACK);

}

void loop() {
  int luminosidade = analogRead(LDR);
  int L = map(luminosidade, 1023, 0, 0, 100); // Mapeia de 0-1023 para 0-100%

  TempAndHumidity dados = dhtSensor.getTempAndHumidity();
  ThingSpeak.setField(1,dados.temperature);
  ThingSpeak.setField(2,dados.humidity);
  ThingSpeak.setField(3,L);
  
  int x = ThingSpeak.writeFields(meuNumeroCanal,minhaApiKey);
  
  Serial.println("Temperatura: " + String(dados.temperature, 2) + "°C");
  Serial.println("Umidade: " + String(dados.humidity, 1) + "%");
  Serial.println("Lumunosidade: " + String(L) + "%");

  tft.setTextColor(ILI9341_WHITE); 
  tft.setCursor(10, 80); 
  tft.print("Temperatura: ");
  tft.print(String(dados.temperature, 2));
  tft.print("C");
  tft.setCursor(10, 120); 
  tft.print("Humidade: ");
  tft.print(String(dados.humidity, 1));
  tft.print("%");
  tft.setCursor(10, 160); 
  tft.print("Luminosidade: ");
  tft.print(String(L));
  tft.print("%");
  
  
  if(x == 200){
    Serial.println("Dados enviados com sucesso!");
    tft.setTextColor(ILI9341_GREEN); 
    tft.setCursor(10, 20); 
    tft.println("Dados enviados com sucesso!");
  }else{
    Serial.println("Erro de envio " + String(x));
    tft.setTextColor(ILI9341_RED); 
    tft.setCursor(10, 20); 
    tft.print("Erro de envio: ");
    tft.println(String(x));
  }
  Serial.println("---");

  delay(10000);
  tft.fillScreen(ILI9341_BLACK);
}