import network
import urequests
import time

# Configuration
SSID = "Wokwi-GUEST"      # Change if needed
PASSWORD = ""             # Change if needed
THINGSPEAK_API_KEY = "CS1WH39RFSTPPWAM"  # Your API key

# WiFi connection
def connect_wifi():
    wlan = network.WLAN(network.STA_IF)
    wlan.active(True)
    wlan.connect(SSID, PASSWORD)
    
    print("Connecting to WiFi...")
    while not wlan.isconnected():
        print(".", end="")
        time.sleep(1)
    
    print("\n✅ Connected! IP:", wlan.ifconfig()[0])
    return wlan

# Send data to ThingSpeak
def send_to_thingspeak(value):
    try:
        url = f"https://api.thingspeak.com/update?api_key={THINGSPEAK_API_KEY}&field1={value}"
        print(f"Sending to ThingSpeak: Value={value}")
        response = urequests.get(url)
        
        if response.status_code == 200:
            print(f"✅ Data sent! Entry ID: {response.text}")
        else:
            print(f"❌ HTTP Error: {response.status_code}")
        
        response.close()
    except Exception as e:
        print("❌ Error:", e)

# Main program
print("📡 ThingSpeak Number Sender")
wlan = connect_wifi()

for i in range(101):   # 0 to 100
    if not wlan.isconnected():
        print("📶 WiFi disconnected, reconnecting...")
        wlan = connect_wifi()
    
    send_to_thingspeak(i)
    time.sleep(1)  # ThingSpeak free: min 15s between updates

print("✅ Finished sending 0–100")