#define BLYNK_TEMPLATE_ID   "TMPL6QgPZV8WB"
#define BLYNK_TEMPLATE_NAME "BynkHW2"
#define BLYNK_AUTH_TOKEN    "_3P3f-b_3jrgW5q2cx7Ug-mShq8zXIPt"

#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

char ssid[] = "Wokwi-GUEST";
char pass[] = "";

// ===== Choose pins (you can change, but keep consistent with Wokwi wiring) =====
const int LED_PIN = 23;
const int SW1_PIN = 18;
const int SW2_PIN = 19;
const int POT_PIN = 34;   // ADC

// ===== Virtual pins (MUST match Blynk Datastreams) =====
#define VPIN_LED   V0
#define VPIN_SW1   V1
#define VPIN_SW2   V2
#define VPIN_SOIL  V3

BlynkTimer timer;

BLYNK_CONNECTED() {
  Serial.println("✅ Blynk connected!");
}

// LED button from Blynk (V0)
BLYNK_WRITE(VPIN_LED) {
  int state = param.asInt();   // 0/1
  digitalWrite(LED_PIN, state);
  Serial.print("LED=");
  Serial.println(state);
}

// Send buttons + pot to Blynk
void sendInputs() {
  int sw1 = (digitalRead(SW1_PIN) == LOW) ? 1 : 0;  // pressed=1
  int sw2 = (digitalRead(SW2_PIN) == LOW) ? 1 : 0;

  int pot = analogRead(POT_PIN);                    // 0..4095
  int soil = map(pot, 0, 4095, 0, 100);            // 0..100
  if (soil < 0) soil = 0;
  if (soil > 100) soil = 100;

  Blynk.virtualWrite(VPIN_SW1, sw1);
  Blynk.virtualWrite(VPIN_SW2, sw2);
  Blynk.virtualWrite(VPIN_SOIL, soil);

  Serial.print("SW1=");
  Serial.print(sw1);
  Serial.print(" SW2=");
  Serial.print(sw2);
  Serial.print(" Soil=");
  Serial.println(soil);
}

void setup() {
  Serial.begin(115200);

  pinMode(LED_PIN, OUTPUT);
  pinMode(SW1_PIN, INPUT_PULLUP);
  pinMode(SW2_PIN, INPUT_PULLUP);

  Serial.println("Connecting to Blynk...");
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);

  timer.setInterval(500L, sendInputs);
}

void loop() {
  Blynk.run();
  timer.run();
}