/**
   ESP32 + Moisture Sensor + Motor Switch Example for Wokwi
*/
#include <WiFi.h>
#include "ThingSpeak.h"

// Pin Definitions
const int MOISTURE_SENSOR_PIN = 34; // Analog input for moisture sensor
const int MOTOR_SWITCH_PIN = 5;     // GPIO pin for motor switch

// WiFi Credentials
const char* WIFI_NAME = "Wokwi-GUEST"; // Replace with your WiFi SSID
const char* WIFI_PASSWORD = "";        // Replace with your WiFi password

// ThingSpeak Configuration
const int myChannelNumber = 2833645;    // Replace with your ThingSpeak Channel ID
const char* myApiKey = "EJKBWBE6KY88FUWB"; // Replace with your Write API Key
const char* server = "api.thingspeak.com";

// WiFi Client
WiFiClient client;

void setup() {
  // Initialize Serial Monitor
  Serial.begin(9600);

  // Set up pins
  pinMode(MOTOR_SWITCH_PIN, INPUT_PULLUP); // Motor switch as input

  // Connect to WiFi
  WiFi.begin(WIFI_NAME, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("WiFi not connected");
  }
  Serial.println("WiFi connected!");
  Serial.println("Local IP: " + String(WiFi.localIP()));

  // Set WiFi mode to station
  WiFi.mode(WIFI_STA);

  // Initialize ThingSpeak
  ThingSpeak.begin(client);
}

void loop() {
  // Read Moisture Sensor
  int sensorValue = analogRead(MOISTURE_SENSOR_PIN);

  // Convert sensor value to percentage (adjust min/max values based on your sensor)
  float moisturePercentage = map(sensorValue, 1500, 3500, 100, 0); // Example range
  moisturePercentage = constrain(moisturePercentage, 0, 100); // Ensure it's between 0-100

  // Read Motor Switch State
  int motorState = digitalRead(MOTOR_SWITCH_PIN);

  // Print data to Serial Monitor
  Serial.println("Moisture: " + String(moisturePercentage, 1) + "%");
  Serial.println("Motor: " + String(motorState));

  // Send data to ThingSpeak
  ThingSpeak.setField(1, moisturePercentage); // Field1 for moisture percentage
  ThingSpeak.setField(2, motorState);         // Field2 for motor status

  int x = ThingSpeak.writeFields(myChannelNumber, myApiKey);

  if (x == 200) {
    Serial.println("Data pushed successfully");
  } else {
    Serial.println("Push error: " + String(x));
  }

  Serial.println("---");

  // Wait before next update
  delay(5000); // Update every 10 seconds
}