import network
from time import sleep
import usocket as socket
from machine import Pin, SoftI2C,PWM
import gc
import ssd1306
import dht 
gc.collect()

sensor = dht.DHT22(Pin(27))
i2c = SoftI2C(scl=Pin(22), sda=Pin(21))
oled = ssd1306.SSD1306_I2C( 128, 64, i2c)

def obter_arquivo(arquivo):
    conteudo = ''
    a = open(arquivo,'rb')
    conteudo = a.read()
    return conteudo
estacao = network.WLAN(network.STA_IF)
estacao.active(True)
estacao.connect("Wokwi-GUEST","")
while estacao.isconnected() == False:
    pass
oled.fill(0) 
oled.text(str(estacao.ifconfig()[0]),2,5,1)
oled.rect(0,0,128,64,1)  
oled.rect(0,1,128,15,1)   
oled.show()

print('Conexao realizada')
print(estacao.ifconfig()[0])


s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.bind(('',80))
s.listen(5)


try:
    while True:
       
        sensor.measure()
        temp = sensor.temperature()
        hum = sensor.humidity()
        conexao, endereco = s.accept()
        #print('Conexao de %s' % str(endereco))
        requisicao = conexao.recv(1024)
        requisicao = str(requisicao)
        #print('Conteudo = %s' % requisicao)
        
        
        #hum = sensor.humidity()
        #print(temp)
     
        if requisicao.find('obter/temperatura') != -1:
            html = str(temp)
            
       
        elif requisicao.find('obter/umidade') != -1:
            html = str(hum)
            
        elif requisicao.find('/') != -1:
             html = obter_arquivo('dht22WebServer.txt')
        oled.fill(0)
        oled.text(str(estacao.ifconfig()[0]),2,5,1)
        oled.text("Temperatura(C):",2,20,1)
        oled.text(str(temp),2,30,1)
        oled.text("Umidade(%):",2,40,1)
        oled.text(str(hum),2,50,1)
        oled.rect(0,0,128,64,1)  
        oled.rect(0,1,128,15,1)   
        oled.show() 
        
        conexao.send('HTTP/1.1 200 OK\n')
        conexao.send('Content-Type: text/html\n')
        conexao.send('Connection: close\n\n')
        conexao.sendall(html)
        conexao.close()
      
except KeyboardInterrupt:
    s.close()
    estacao.active(False)