#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import os
import traceback

from django.utils.decorators import method_decorator
from django.views.decorators.csrf import csrf_exempt
from django.views.generic.base import View

from Ansjer.config import BASE_DIR
from Object.ResponseObject import ResponseObject
from Object.TokenObject import TokenObject


class FAQUploadView(View):
    @method_decorator(csrf_exempt)
    def dispatch(self, request, *args, **kwargs):
        return super(FAQUploadView, self).dispatch(request, *args, **kwargs)

    def get(self, request, *args, **kwargs):
        request.encoding = 'utf-8'
        request_dict = request.GET
        fileName = request.FILES.get('fileName', None)
        return self.validate(fileName, request_dict)

    def post(self, request, *args, **kwargs):
        request.encoding = 'utf-8'
        request_dict = request.POST
        fileName = request.FILES.get('fileName', None)
        return self.validate(fileName, request_dict)

    def validate(self, fileName, request_dict):
        token = TokenObject(request_dict.get('token', None))

        response = ResponseObject()
        if token.code != 0:
            return response.json(token.code)

        try:
            path = '/'.join((BASE_DIR, 'static/FAQImages')).replace('\\', '/') + '/'
            if not os.path.exists(path):
                os.makedirs(path)
                file_name = path + str(fileName)
                if os.path.exists(file_name):
                    os.remove(file_name)
                destination = open(file_name, 'wb+')
                for chunk in fileName.chunks():
                    destination.write(chunk)
                destination.close()
            else:
                file_name = path + str(fileName)
                if os.path.exists(file_name):
                    os.remove(file_name)

                destination = open(file_name, 'wb+')
                for chunk in fileName.chunks():
                    destination.write(chunk)
                destination.close()
        except Exception as e:
            errorInfo = traceback.format_exc()
            print('上传文件错误: %s' % errorInfo)
            return response.json(700, {'details': repr(e)})
        else:
            index = file_name.find('static/')
            filePath = file_name[index:]
            return response.json(0, {'filePath': filePath})


class FAQView(View):

    @method_decorator(csrf_exempt)
    def dispatch(self, *args, **kwargs):
        return super(FAQView, self).dispatch(*args, **kwargs)

    def post(self, request, *args, **kwargs):
        request.encoding = 'utf-8'
        request_dict = request.POST
        operation = kwargs.get('operation', None)
        return self.validate(request_dict, operation)

    def get(self, request, *args, **kwargs):
        request.encoding = 'utf-8'
        request_dict = request.GET
        operation = kwargs.get('operation', None)
        return self.validate(request_dict, operation)

    def validate(self, request_dict, operation):
        return