import re
try:
 import usocket as socket        #importing socket
except:
 import socket
 
from io_state import state

css_file = open('style.css', 'r')
css = css_file.read()
css_file.close()

html_file = open("index.html", "r")
html = html_file.read()
html_file.close()



def web_page():
    return html \
    .replace("{day_light_class}", "" if state.is_day_on() else "grayscale") \
    .replace("{night_light_class}", "" if state.is_night_on() else "grayscale") \
    .replace("{time_h}", str(state.get_time_h())) \
    .replace("{time_m}", str(state.get_time_m())) \
    .replace("{time_s}", str(state.get_time_s())) \
    .replace("{mode_auto}", "checked" if state.is_auto_mode() else "") \
    .replace("{mode_manual}", "" if state.is_auto_mode() else "checked") \
    .replace("{day_on_time}", f"{state.get_day_on_time()[0]:02}:{state.get_day_on_time()[1]:02}") \
    .replace("{night_on_time}", f"{state.get_day_off_time()[0]:02}:{state.get_day_off_time()[1]:02}") \


s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)   #creating socket object
s.bind(('0.0.0.0', 80))
s.listen(5)
s.settimeout(0.5)

def accept_connection():
    try: 
        global s
        conn, addr = s.accept()
        request = str(conn.recv(1024))

        if request.find('/style.css') >= 0:
            conn.send(css)
            conn.close()
            return
        elif request.find('/update_mode/auto/') >= 0:
            print("Update mode to auto.")
            state.set_auto_mode(True)
        elif request.find('/update_mode/manual/') >= 0:
            print("Update mode to manual.")
            state.set_auto_mode(False)

        elif request.find('/stime/') >= 0:
            timestamp_regex = re.compile(r'stime\/(\d+):(\d+):(\d+)\/')
            h = int(timestamp_regex.search(request).group(1))
            m = int(timestamp_regex.search(request).group(2))
            _s = int(timestamp_regex.search(request).group(3))
            print(f"Changing current time to: {h}:{m}:{_s}")
            state.set_time(h, m, _s)

        elif request.find('/toggle_day/') >= 0:
            print("toggle day")
            state.set_auto_mode(False)
            state.toggle_day()
        elif request.find('/toggle_night/') >= 0:
            print("toggle night.")
            state.set_auto_mode(False)
            state.toggle_night()

        elif request.find('/set_day_time/') >= 0:
            times_regex = re.compile(r'time\/(\d+)\/(\d+)/')
            h = int(times_regex.search(request).group(1))
            m = int(times_regex.search(request).group(2))
            print(f'Changing time for day_on to {h}:{m}')
            state.set_times(True, h, m)
        elif request.find('/set_night_time/') >= 0:
            times_regex = re.compile(r'time\/(\d+)\/(\d+)/')
            h = int(times_regex.search(request).group(1))
            m = int(times_regex.search(request).group(2))
            print(f'Changing time for day_off to {h}:{m}')
            state.set_times(False, h, m)

        response = web_page()
        conn.send(response)
        conn.close()
    except OSError as e:
        try:
            conn.close()
            print(f'ERROR: connection closed: {e}')
        except:
            pass
    except Exception as e:
        pass