import network
import urequests
import time
import random
from machine import Pin

# -------- Wi-Fi 設定 --------
SSID = "Wokwi-GUEST" # "你的WiFi名稱"
PASSWORD = "" # "你的WiFi密碼"

wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect(SSID, PASSWORD)

while not wlan.isconnected():
    time.sleep(0.5)
print('WiFi connected:', wlan.ifconfig())

# -------- Blynk 設定 --------
BLYNK_AUTH = '' #'你的Blynk Auth Token'
BLYNK_LED_URL  = 'http://blynk.cloud/external/api/v1/{}/update/V0?value={}'
BLYNK_TEMP_URL = 'http://blynk.cloud/external/api/v1/{}/update/V1?value={}'
BLYNK_HUMI_URL = 'http://blynk.cloud/external/api/v1/{}/update/V2?value={}'

# -------- 硬體設定 --------
led = Pin(15, Pin.OUT)

# -------- 主程式 --------
while True:
    # LED 閃爍並上傳狀態到 Blynk
    led.value(1)
    try:
        urequests.get(BLYNK_LED_URL.format(BLYNK_AUTH, 1))
    except Exception as e:
        print("LED ON update error:", e)
    time.sleep(1)
    
    led.value(0)
    try:
        urequests.get(BLYNK_LED_URL.format(BLYNK_AUTH, 0))
    except Exception as e:
        print("LED OFF update error:", e)
    time.sleep(1)

    # 模擬溫濕度數據
    temp = random.randint(20, 35)  # 假設攝氏 20~35℃
    humi = random.randint(40, 80)  # 假設濕度 40~80%
    print('Temp:', temp, 'Humi:', humi)

    # 上傳隨機數據到 Blynk
    try:
        urequests.get(BLYNK_TEMP_URL.format(BLYNK_AUTH, temp))
        urequests.get(BLYNK_HUMI_URL.format(BLYNK_AUTH, humi))
    except Exception as e:
        print("Sensor upload error:", e)
    
    time.sleep(2)