import sys

import time

import threading

from devcycle_python_sdk.models.user import DevCycleUser

from .devcycle import get_devcycle_client

"""

Since this is used outside of a request context, we define a service user.

This can contian properties unique to this service, and allows you to target

services in the same way you would target app users.

"""

SERVICE_USER = DevCycleUser(

user_id='api-service'

)

"""

Log the current DevCycle variation to the console.

"""

def log_variation():

devcycle_client = get_devcycle_client()

def render_frame(idx=0):

timeout = 500

if devcycle_client.is_initialized():

features = devcycle_client.all_features(SERVICE_USER)

variation_name = features['hello-togglebot'].variationName if 'hello-togglebot' in features else 'Default'

wink = devcycle_client.variable_value(SERVICE_USER, 'togglebot-wink', False)

speed = devcycle_client.variable_value(SERVICE_USER, 'togglebot-speed', 'off')

spin_chars = "◟◜◝◞" if speed == 'slow' else "◜◠◝◞◡◟"

spinner = '○' if speed == 'off' else spin_chars[idx % len(spin_chars)]

idx += 1

face = '(- ‿ ○)' if wink else '(○ ‿ ○)'

frame = '{} Serving variation: {} {}'.format(spinner, variation_name, face)

color = 'rainbow' if speed == 'surprise' else 'blue'

write_to_console(frame, color)

timeout = 100 if speed in ['fast', 'surprise', 'off-axis'] else 500

# Set timeout to render next frame

threading.Timer(

timeout / 1000,

lambda: render_frame(idx)

).start()

try:

render_frame()

except KeyboardInterrupt:

sys.stdout.write('\n')

sys.exit(0)

COLORS = {}

COLORS['red'] = '\033[91m'

COLORS['green'] = '\033[92m'

COLORS['yellow'] = '\033[93m'

COLORS['blue'] = '\033[94m'

COLORS['magenta'] = '\033[95m'

END_CHAR = '\033[0m'

def add_color(text, color):

colors = {}

colors.update(COLORS)

colors['rainbow'] = '\033[38;5;{}m'.format(int(time.time() * 1000) % 230)

if color in colors:

return colors[color] + text + END_CHAR

else:

return text

def write_to_console(frame, color):

frame = add_color(frame, color)

sys.stdout.write('\x1b[K ' + frame + '\r')