import time
import board
import adafruit_dht
from http.server import BaseHTTPRequestHandler, HTTPServer

sensor = adafruit_dht.DHT22(board.D21)

hostName = "0.0.0.0"
serverPort = 7070

class MyServer(BaseHTTPRequestHandler):
    def do_GET(self):
        try:
            # Print the values to the serial port
            temperature_c = sensor.temperature
            temperature_f = temperature_c * (9 / 5) + 32
            humidity = sensor.humidity
            self.send_response(200)
            self.send_header("Content-type", "text/plain")
            self.end_headers()
            self.wfile.write(bytes("# TYPE target_info gauge\n", "utf-8"))
            self.wfile.write(bytes("humidity{{location=\"beddroom\"}} {}\n".format(humidity), "utf-8"))

            self.wfile.write(bytes("# TYPE temperature gauge\n", "utf-8"))
            self.wfile.write(bytes("temperature{{location=\"beddroom\"}} {}\n".format(temperature_f), "utf-8"))

        except RuntimeError as error:
            # Errors happen fairly often, DHT's are hard to read, just keep going
            self.send_response(500)
            print(error.args[0])
        except Exception as error:
            self.send_response(500)
            sensor.exit()
            raise error

if __name__ == "__main__":
    webServer = HTTPServer((hostName, serverPort), MyServer)
    print("Server started http://%s:%s" % (hostName, serverPort))

    try:
        webServer.serve_forever()
    except KeyboardInterrupt:
        pass

    webServer.server_close()
    print("Server stopped.")