import time
from threading import Thread

import requests
from rest_framework.exceptions import APIException, ParseError
from django.conf import settings

from apps.utils.errors import SP_REQUEST_ERROR
from apps.utils.tools import print_roundtrip

requests.packages.urllib3.disable_warnings()


class SpClient:
    """
    音响接口
    """

    def __init__(self, username=settings.SP_USERNAME,
                 password=settings.SP_PASSWORD) -> None:
        if not settings.SP_ENABLED:
            return None
        self.username = username
        self.password = password
        self.headers = {}
        self.isGetingToken = False
        self.isRuning = True
        self.t = None  # 线程
        self.setup()

    def _get_token_loop(self):
        while self.isRuning:
            params = {
                "user": {
                    "email": self.username,
                    "password": self.password
                }
            }
            r = requests.post(json=params,
                              url=settings.SP_BASE_URL + '/api/users/login', verify=False)
            if r.status_code == 200:
                ret = r.json()
                self.headers['Authorization'] = 'Bearer ' + ret['user']['token']
            time.sleep(3600)

    def get_token(self):
        self.isGetingToken = True
        params = {
            'grant_type': 'client_credentials',
            'client_id': self.client_id,
            'client_secret': self.client_secret
        }
        r = requests.post(params=params, url=settings.SP_BASE_URL + '/evo-apigw/evo-oauth/oauth/token', verify=False)
        if r.status_code == 200:
            ret = r.json()
            self.headers['Authorization'] = 'Bearer ' + ret['user']['token']
            self.isGetingToken = False

    def setup(self):
        t = Thread(target=self._get_token_loop, args=(), daemon=True)
        t.start()

    def __del__(self):
        """
        自定义销毁
        """
        self.isRuning = False
        # self.t.join()

    def request(self, url: str, method: str, params=dict(), json=dict(), timeout=10,
                file_path_rela=None, raise_exception=True):
        if self is None:
            raise ParseError('音响对接未启用')
        if self.isGetingToken:
            req_num = 0
            while True:
                time.sleep(0.5)
                if not self.isGetingToken:
                    self.request(url, method, params, json, timeout, file_path_rela, raise_exception)
                req_num = req_num + 1
                if req_num > 4:
                    break
        else:
            files = None
            if file_path_rela:  # 相对路径
                files = {'file': open(settings.BASE_DIR + file_path_rela, 'rb')}
            try:
                if params:
                    url = url.format(**params)
                r = getattr(requests, method)('{}{}'.format(settings.SP_BASE_URL, url),
                                              headers=self.headers, params=params, json=json,
                                              timeout=timeout, files=files, verify=False)
            except Exception:
                if raise_exception:
                    raise APIException(**SP_REQUEST_ERROR)
                return 'error', SP_REQUEST_ERROR
            # if settings.DEBUG:
            #     print_roundtrip(r)
            if r.status_code == 200:
                ret = r.json()
                if 'code' in ret and ret['code'] not in ['0', '100', '00000', '1000', 0, 100, 1000]:
                    detail = '音响错误:{}'.format(str(ret.get('msg', '')))
                    err_detail = dict(detail=detail, code='sp_'+str(ret['code']))
                    if raise_exception:
                        raise ParseError(**err_detail)
                    return 'fail', dict(detail=detail, code='sp_'+str(ret['code']))
                return 'success', ret
            else:
                ret = r.json()
                detail = '音响错误:{}-{}'.format(str(ret.get('type', '')), str(ret.get('message', '')))
                err_detail = dict(detail=detail, code='sp_'+str(ret['code']))
                if raise_exception:
                    raise ParseError(**err_detail)
                return 'fail', dict(detail=detail, code='sp_'+str(ret['code']))
        if raise_exception:
            raise APIException(**SP_REQUEST_ERROR)
        return 'error', SP_REQUEST_ERROR