"""
channel factory
"""
from common import const
from .channel import Channel


def create_channel(channel_type) -> Channel:
    """
    create a channel instance
    :param channel_type: channel type code
    :return: channel instance
    """
    ch = Channel()
    if channel_type == "wx":
        from channel.wechat.wechat_channel import WechatChannel
        ch = WechatChannel()
    # elif channel_type == "wxy":
    #     from channel.wechat.wechaty_channel import WechatyChannel
    #     ch = WechatyChannel()
    # elif channel_type == "terminal":
    #     from channel.terminal.terminal_channel import TerminalChannel
    #     ch = TerminalChannel()
    # elif channel_type == "wechatmp":
    #     from channel.wechatmp.wechatmp_channel import WechatMPChannel
    #     ch = WechatMPChannel(passive_reply=True)
    # elif channel_type == "wechatmp_service":
    #     from channel.wechatmp.wechatmp_channel import WechatMPChannel
    #     ch = WechatMPChannel(passive_reply=False)
    # elif channel_type == "wechatcom_app":
    #     from channel.wechatcom.wechatcomapp_channel import WechatComAppChannel
    #     ch = WechatComAppChannel()
    # elif channel_type == "wework":
    #     from channel.wework.wework_channel import WeworkChannel
    #     ch = WeworkChannel()
    # elif channel_type == const.FEISHU:
    #     from channel.feishu.feishu_channel import FeiShuChanel
    #     ch = FeiShuChanel()
    # elif channel_type == const.DINGTALK:
    #     from channel.dingtalk.dingtalk_channel import DingTalkChanel
    #     ch = DingTalkChanel()
    else:
        raise RuntimeError
    ch.channel_type = channel_type
    return ch