# encoding:utf-8

import os
from config import conf, load_config
from channel import channel_factory
from common.log import logger
from plugins import *
import signal
import sys
import config
import gradio as gr
from io import BytesIO
from PIL import Image
from concurrent.futures import ThreadPoolExecutor
thread_pool = ThreadPoolExecutor(max_workers=8)

def getImage(bytes):
    bytes_stream = BytesIO(bytes)
    image = Image.open(bytes_stream)
    return image

def getLoginUrl():
    # load config
    config.load_config()
    # create channel
    bot = channel_factory.create_channel("wx")
    thread_pool.submit(bot.startup)
    while (True):
            if bot.getQrCode():
                return getImage(bot.getQrCode())

def sigterm_handler_wrap(_signo):
    old_handler = signal.getsignal(_signo)
    def func(_signo, _stack_frame):
        logger.info("signal {} received, exiting...".format(_signo))
        conf().save_user_datas()
        return old_handler(_signo, _stack_frame)
    signal.signal(_signo, func)

def run():
    try:
        # load config
        load_config()
        # ctrl + c
        sigterm_handler_wrap(signal.SIGINT)
        # kill signal
        sigterm_handler_wrap(signal.SIGTERM)

        # create channel
        channel_name=conf().get('channel_type', 'wx')
        if channel_name == 'wxy':
            os.environ['WECHATY_LOG']="warn"
            # os.environ['WECHATY_PUPPET_SERVICE_ENDPOINT'] = '127.0.0.1:9001'

        channel = channel_factory.create_channel(channel_name)
        if channel_name in ['wx','wxy','wechatmp']:
            PluginManager().load_plugins()

        # startup channel
        channel.startup()
    except Exception as e:
        logger.error("App startup failed!")
        logger.exception(e)

if __name__ == '__main__':
    #run()
    try:
        
        with gr.Blocks() as demo:
            with gr.Row():
                with gr.Column():
                    btn = gr.Button(value="生成二维码")
                with gr.Column():
                    outputs=[gr.Pil()]
                btn.click(getLoginUrl, outputs=outputs)

        demo.launch()


    except Exception as e:
        logger.error("App startup failed!")
        logger.exception(e)