#include <WiFi.h>
#include <HTTPClient.h>

// Wi-Fi
#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""

// Firebase
#define databaseURL "esp32led-7d8ee-default-rtdb.europe-west1.firebasedatabase.app"
#define apiKey "AIzaSyCiGPDCRIm-MODVbEbo6UxLCI8ulHlFAl0"

// LEDs
#define LED_1_PIN 12
#define LED_2_PIN 14

bool led1State = false;
bool led2State = false;

void setup() {
  Serial.begin(115200);
  pinMode(LED_1_PIN, OUTPUT);
  pinMode(LED_2_PIN, OUTPUT);

  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  Serial.println("Connexion au Wi-Fi...");
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connexion au Wi-Fi...");
  }
  Serial.println("Connecté au Wi-Fi !");
  Serial.print("Adresse IP : "); Serial.println(WiFi.localIP());
}

void loop() {
  getLedStateFromFirebase();

  // Appliquer la logique : LED2 = inverse de LED1
  digitalWrite(LED_1_PIN, led1State ? HIGH : LOW);
  digitalWrite(LED_2_PIN, led1State ? LOW : HIGH);

  Serial.print("LED ROUGE : "); Serial.println(led1State ? "ON" : "OFF");
  Serial.print("LED VERT : "); Serial.println(led1State ? "OFF" : "ON");

  delay(2000);
}

void getLedStateFromFirebase() {
  String url = String("https://") + databaseURL + "/Test_iot.json?auth=" + apiKey;
  Serial.println("URL Firebase : " + url);

  HTTPClient http;
  http.begin(url);
  int httpResponseCode = http.GET();

  if (httpResponseCode > 0) {
    String payload = http.getString();
    Serial.println("Réponse Firebase : " + payload);

    // LED 1 contrôlée par le bouton ON/OFF dans l'app
    if (payload.indexOf("\"LED_STTUS\":\"1\"") != -1) {
      led1State = true;  // ON
    } else if (payload.indexOf("\"LED_STTUS\":\"0\"") != -1) {
      led1State = false; // OFF
    }

  } else {
    Serial.println("Échec de la requête !");
    Serial.println("Code HTTP : " + String(httpResponseCode));
  }

  http.end();
}