from django.contrib import auth
from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework import status
from rest_framework.authtoken.models import Token
from rest_framework.authentication import BasicAuthentication, TokenAuthentication
from .serializers import UserRegisterSerializer

from django.middleware.csrf import get_token
from django.contrib.auth import login

from api.utils import *
from api.models import File, Mission, Plan, Result
import requests

import json, csv

class RawDataTrans(APIView):
    authentication_classes = []
    permission_classes = []

    def get(self, request):
        if request.user:
            # 用户从前端发来请求
            return success("测试返回图数据")
        else:
            # 进程管理器发来请求
            # mission = Mission.objects.get(id=int(request.data.get('missionId')))
            plan = Plan.objects.get(id=int(request.data.get('planId')))
            return success("测试返回图数据")
    def post(self, request):
        mission = Mission.objects.get(id=int(request.data.get('missionId')))
        plan = Plan.objects.get(id=int(request.data.get('planId')))
        nodes = request.data.get('nodes')
        edges = request.data.get('edges')
        for param in [mission, plan, nodes, edges]:
            if not param:
                print("结果传递参数不足")
                return failed(message="缺少结果参数")
        try:
            result = plan.own_result
            print("PLAN结果数据已存在，是否重复提交？")
            return failed(message="重复提交结果")
        except Result.DoesNotExist:
            # 读取nodes和edges，生成结果文件
            nodeFile = File(type='csv', usage='result', content='node', user=plan.user)
            nodeFile.save()
            if not nodeFile.generate(nodes) == OK:
                return failed(message="保存结果文件失败")
            edgeFile = File(type='csv', usage='result', content='edge', user=plan.user)
            edgeFile.save()
            if not edgeFile.generate(edges) == OK:
                return failed(message="保存结果文件失败")
            nodeFile.associate = edgeFile
            edgeFile.associate = nodeFile
            nodeFile.save()
            edgeFile.save()

            result = Result()
            result.plan = plan
            result.mission = mission
            result.user = plan.user
            result.nodeFile = nodeFile
            result.edgeFile = edgeFile
            result.save()

            return success(message="保存结果文件成功")