import simplejson as json
import traceback
from concurrent.futures import ThreadPoolExecutor
from tornado.web import RequestHandler
from model.log import logger
import time
import base64
import pandas as pd
from model.DateUtils import DateUtils

log = logger()


class BaseHandler(RequestHandler, DateUtils):
    def __init__(self, application, request, **kwargs):
        RequestHandler.__init__(self, application, request, **kwargs)
        self._status_code = 200
        self.executor = ThreadPoolExecutor(200)
        self.set_default_headers()
        self._au = self.get_auth() if self.settings.get('auth') else True

    def options(self):
        # 返回方法1
        self.set_status(200)
        self.finish()

    def set_default_headers(self):
        super().set_default_headers()
        # 设置允许的请求头
        self.set_header("Access-Control-Allow-Methods", "GET,POST,PUT,DELETE,OPTIONS")
        self.set_header("X-XSS-Protecion", "1")
        self.set_header("Content-Security-Policy", "default-src 'self'")
        self.set_header("Access-Control-Allow-Credentials", "true")
        # 设置一些自己定义的请求头
        self.set_header("Access-Control-Allow-Headers",
                        "Content-Type, Depth, User-Agent, Token, Origin, X-Requested-With, Accept, Authorization")
        self.set_header("Content-Type", "application/json; charset=UTF-8")
        self.set_header("Access-Control-Allow-Origin", "*")

    def write_json_tmp_java(self, data, status_code=200, msg='SUCCESS', total=1, total_data={}):
        self.write(json.dumps({'code': status_code, 'data': data, 'msg': msg}))

    def write_json(self, data, status_code=200, msg='success', total=1, total_data={}):
        self.write(json.dumps(
            {'status': {'msg': msg, "RetCode": status_code}, 'total': total, 'data': data, "total_data": total_data}))

    def write_fail(self, code=400, msg='error'):
        self.write(json.dumps({'status': {'msg': msg, "RetCode": code}}))

    def write_download(self, filename, data):
        self.set_header('Content-Type', 'application/octet-stream')
        self.set_header('Content-Disposition', f'attachment; filename={filename}.csv')
        self.set_header("Pargam", "no-cache")
        self.set_header("Cache-Control", "no-cache")
        df = pd.DataFrame(data).to_csv(encoding='utf-8')
        # print(df)
        # with open(f'./{pitcher}_{start}_{end}.csv','w',newline='') as f:
        #     f.write(df)
        self.write(df)

    def get_args(self):
        di = json.loads(self.request.body.decode(encoding='utf-8'))
        if isinstance(di, str):
            di = json.loads(di)
        return di

    def write_error(self, status_code, msg=None, **kwargs):

        if self.settings.get("serve_traceback") and "exc_info" in kwargs:
            # in debug mode, try to send a traceback
            lines = []
            for line in traceback.format_exception(*kwargs["exc_info"]):
                lines.append(line)

            self.write_json(dict(traceback=''.join(lines)), status_code, self._reason)

        elif msg:
            self.write_json(None, status_code, msg)
        else:
            self.write_json(None, status_code, self._reason)

    def _authentication(self):
        """
        :return: True, 认证通过, False 认证不通过
        """
        return True
        log.info("author %s" % self.request.headers)
        # log.info(self.request.remote_ip)
        if self.request.headers.get("Gip_real") == '183.129.168.74':
            return True

        if not self.request.headers.get("Authorization"):

            return False
        else:
            # redis 中判断值是否存在
            # ur = UserRedisComm()
            # key = "admin_account_check%s" % (self.request.headers.get("Authorization"))
            # return True if ur.r.get(key) else False
            return True

    def get_auth(self):
        # 不需要验证的请求
        authless = ['/api/get_yangguang_data', '/api/git_hook/data_center', '/api/git_hook/qc_web']
        url = self.request.full_url().split(str(self.settings.get('port')) + '/')[1]
        if url in authless:
            return True
        else:
            Authorization = self.request.headers.get('Authorization')
            if not Authorization:
                return False
            print(Authorization)
            try:
                origStr = Authorization.split(' ')[1][::-1]
            except:
                return False

            origStr += (4 - len(origStr) % 4) * "="
            print(origStr)
            print(float(base64.b64decode(origStr.encode('utf-8')).decode(encoding='utf-8', errors='ignore')))
            b = str(float(base64.b64decode(origStr.encode('utf-8')).decode(encoding='utf-8', errors='ignore')) * int(
                self.now.day))[:10]
            print("b:", b)
            diff = int(time.mktime(time.localtime())) - int(b)
            print(diff)
            if diff < 10:
                return True
            else:
                return False