import uPyConfig
import init_sample

hw = uPyConfig.esp8266(variant='d1-r2')
#print family, variant and IP address (using oled, if available on-board)
init_sample.init_sample(hw)

# Main app
from uPySensor import LM75A, SHT21
thsen=SHT21(hw.i2c.bus)
tsen=LM75A(hw.i2c.bus)
json={
    'sht21_t': '{"temperature":"%0.3f"}',
    'sht21_h': '{"humidity":"%0.3f"}',
    'sht21':   '{"temperature":"%0.3f","humidity":"%0.3f"}',
    'lm75a_t': '{"temperature":"%0.1f"}',
    'lm75a':   '{"temperature":"%0.1f"}',
}
json_all='{"sht21":{"temperature":"%0.3f","humidity":"%0.3f"},"lm75a":{"temperature":"%0.1f"}}'

def header():
    return "HTTP/1.1 200 OK\r\n" \
           "Content-Type: application/json\r\n" \
           "Server: horny\r\n" \
           "\r\n"

def get():
    return json_all % (thsen.read_tempC(), thsen.read_hum(), tsen.read_tempC())

def get_sht21_t():
    return json['sht21_t'] % (thsen.read_tempC())

def get_sht21_h():
    return json['sht21_h'] % (thsen.read_hum())

def get_sht21():
    return json['sht21'] % (thsen.read_tempC(), thsen.read_hum())

def get_lm75a_t():
    return json['lm75a_t'] % (tsen.read_tempC())

def get_lm75a():
    return json['lm75a'] % (tsen.read_tempC())

#begin web
import socket
wssock=socket.getaddrinfo("0.0.0.0",80)[0][-1]
wss=socket.socket()
wss.bind(wssock)
wss.listen(1)

print("Server started on 0.0.0.0:80")

#main loop
while True:
    wcl, wcsock = wss.accept()
    print("Client connected")
    wclfh = wcl.makefile('rwb', 0)
    jsn=''
    while True:
        wcline = wclfh.readline()
        if not wcline or wcline == b'\r\n': break
        wcline=wcline.split(b' ')
        if len(wcline) == 3 and wcline[2].startswith('HTTP'):
            if wcline[0] != b'GET': wcl.close()
            elif wcline[1] == b'/': jsn=get()
            elif wcline[1] == b'/sht21': jsn=get_sht21()
            elif wcline[1] == b'/lm75a': jsn=get_lm75a()
    wcl.send(header()+jsn)
    wcl.close()