# coding:utf8
import requests

from . import helpers


def use(broker, host, port=1430, **kwargs):
    return RemoteClient(broker, host, port)


class RemoteClient:
    def __init__(self, broker, host, port=1430, **kwargs):
        self._s = requests.session()
        self._api = 'http://{}:{}'.format(host, port)
        self._broker = broker

    def prepare(self, config_path=None, user=None, password=None, exe_path=None, comm_password=None,
                **kwargs):
        """
        登陆客户端
        :param config_path: 登陆配置文件，跟参数登陆方式二选一
        :param user: 账号
        :param password: 明文密码
        :param exe_path: 客户端路径类似 r'C:\\htzqzyb2\\xiadan.exe', 默认 r'C:\\htzqzyb2\\xiadan.exe'
        :param comm_password: 通讯密码
        :return:
        """
        params = locals().copy()
        params.pop('self')

        if config_path is not None:
            account = helpers.file2dict(config_path)
            params['user'] = account['user']
            password['password'] = account['password']

        params['broker'] = self._broker

        response = self._s.post(self._api + '/prepare', json=params)
        if response.status_code >= 300:
            raise Exception(response.json()['error'])
        return response.json()

    @property
    def balance(self):
        return self.common_get('balance')

    @property
    def position(self):
        return self.common_get('position')

    @property
    def today_entrusts(self):
        return self.common_get('today_entrusts')

    @property
    def today_trades(self):
        return self.common_get('today_trades')

    @property
    def cancel_entrusts(self):
        return self.common_get('cancel_entrusts')

    def exit(self):
        return self.common_get('exit')

    def common_get(self, endpoint):
        response = self._s.get(self._api + '/' + endpoint)
        if response.status_code >= 300:
            raise Exception(response.json()['error'])
        return response.json()

    def buy(self, security, price, amount, **kwargs):
        params = locals().copy()
        params.pop('self')

        response = self._s.post(self._api + '/buy', json=params)
        if response.status_code >= 300:
            raise Exception(response.json()['error'])
        return response.json()

    def sell(self, security, price, amount, **kwargs):
        params = locals().copy()
        params.pop('self')

        response = self._s.post(self._api + '/sell', json=params)
        if response.status_code >= 300:
            raise Exception(response.json()['error'])
        return response.json()

    def cancel_entrust(self, entrust_no):
        params = locals().copy()
        params.pop('self')

        response = self._s.post(self._api + '/cancel_entrust', json=params)
        if response.status_code >= 300:
            raise Exception(response.json()['error'])
        return response.json()
