# -*- coding: utf-8 -*-
# !/usr/bin/env python

import requests
import simplejson as json
import datetime
from hashlib import md5

from library.qiben.exceptions import QibenException

API_URL = 'http://www.tibiot.cn/api/'


class SimManager(object):
    def __init__(self, user = 'weifutong', password = 'yapaRxO3j0oz!evQ'):
        self.user = user
        self.password = password

    @property
    def time_key(self):
        return datetime.datetime.now().strftime("%Y%m%d%H%M%S")

    def encrypt_password(self, time_key):
        return md5('{}{}'.format(md5(self.password).hexdigest(), time_key)).hexdigest()

    def _get(self, endpoint, **kwargs):
        return self._request(
            method = 'get',
            endpoint = endpoint,
            **kwargs)

    def _post(self, endpoint, **kwargs):
        return self._request(
            method = 'post',
            endpoint = endpoint,
            **kwargs
        )

    def _decode_result(self, res):
        try:
            result = json.loads(res.content.decode('utf-8', 'ignore'), strict = False)
        except (TypeError, ValueError):
            return res

        return result

    def _handle_result(self, res, method = None, url = None,
                       result_processor = None, **kwargs):
        if not isinstance(res, dict):
            result = self._decode_result(res)
        else:
            result = res

        return result if not result_processor else result_processor(result)

    def _request(self, method, endpoint, **kwargs):
        url = '{base}{endpoint}'.format(
            base = API_URL,
            endpoint = endpoint
        )

        headers = {'Content-Type': 'application/json;charset=utf-8'}

        if isinstance(kwargs.get('data', ''), dict):
            body = json.dumps(kwargs['data'], ensure_ascii = False)
            body = body.encode('utf-8')
            kwargs['data'] = body

        kwargs['timeout'] = kwargs.get('timeout', 5)
        result_processor = kwargs.pop('result_processor', None)

        with requests.sessions.Session() as session:
            res = session.request(
                url = url,
                method = method,
                headers = headers,
                **kwargs
            )

            res.raise_for_status()

            return self._handle_result(
                res, method, url, result_processor, **kwargs
            )

    def get_card_info(self, iccid):
        tkey = self.time_key
        end_point = 'v1/card/getCardInfo?username={}&password={}&tkey={}&iccid={}'.format(
            self.user, self.encrypt_password(tkey), tkey, iccid)

        result = self._get(endpoint = end_point)
        if result['status'] != 0:
            raise QibenException(result['status'], result['message'])

        return result['data']

    def get_card_list(self, begin_iccid, end_iccid, card_type = 1):
        tkey = self.time_key

        data = {
            'userName': self.user,
            'passWord': self.encrypt_password(tkey),
            'tKey': tkey,
            'cardType': card_type,
            'pageNum': 1,
            'pageSize': 100,
            'iccid': '{}-{}'.format(begin_iccid, end_iccid)
        }

        result = self._post(endpoint = 'v1/card/batchQueryCardInfo', data = data)
        if 'status' not in result or result['status'] != 0:
            raise QibenException(result['status'], result['message'])

        return result['data']

    def get_pool_data(self, pool_id):
        tkey = self.time_key
        end_point = 'v1/getFlowPoolData?username={}&password={}&tkey={}&pool_id={}'.format(
            self.user, self.encrypt_password(tkey), tkey, pool_id)

        result = self._get(endpoint = end_point)
        if result['status'] != 0:
            raise QibenException(result['status'], result['message'])

        return result['data']

    def send_sms(self, iccid, content):
        tkey = self.time_key
        end_point = 'v1/card/sendSms?username={}&password={}&tkey={}&iccid={}&content={}'.format(
            self.user, self.encrypt_password(tkey), tkey, iccid, content)

        result = self._get(endpoint = end_point)
        if result['status'] != 0:
            raise QibenException(result['status'], result['message'])

        return result['data']