from rest_framework.generics import GenericAPIView
from rest_framework.response import Response
import re
import math

from .serializers import ZhiBaoSelectViewSerializer
from utils.JWTAuthentication_diy import MyJWTAuthentication
from utils.permissions import ModulePermission

from utils.db_utils import MongoDBTools
from utils.all_dict import insect_dict
from django.conf import settings


class PestSelectView(GenericAPIView):
    authentication_classes = [MyJWTAuthentication]
    permission_classes = [ModulePermission]
    serializer_class = ZhiBaoSelectViewSerializer

    def get(self, request, *args, **kwargs):
        serializer = self.get_serializer(data=request.query_params)
        serializer.is_valid(raise_exception=True)
        data = serializer.validated_data
        identify_model = data["identify_model"]
        start_time = data["start_time"]
        end_time = data["end_time"]
        page = data["page"]
        page_size = data["page_size"]
        select_name = data.get("pest_name",'')

        if select_name:
            key_list=list(insect_dict.keys())
            val_list=list(insect_dict.values())
            ind = val_list.index(select_name)
            key = key_list[ind]+","   # 1665772530,1666125101
            wheres = {
                "photo_status": 1,
                "addtime": {
                    "$gte": start_time,
                    "$lt": end_time
                },
                "indentify_result": re.compile("#{}|^{}".format(key,key))
            }
        else:
            wheres = {
                "photo_status": 1,
                "addtime":{
                    "$gte": start_time,
                    "$lt": end_time
                },
                "indentify_result": {
                    "$nin": ["", "0", None]
                }
            }
        project = {
            "device_id":"$device_id",
            "addr":"$addr",
            "indentify_photo":"$indentify_photo",
            "indentify_result": "$indentify_result",
            "addtime":"$addtime"
        }
        skip = (page-1)*page_size
        limit = page_size
        model = MongoDBTools(db_name='smartfarming', table_name='sa_device_cbdphoto') if identify_model == "A" else MongoDBTools(db_name='smartfarming', table_name='sa_device_cbdphoto_b')
        photo_data = model.find_many(wheres=wheres, options=project, skip=skip, limit=limit)
        if photo_data:
            total_counts = photo_data.count()
        else:
            total_counts = 0
        data = {"total_page":math.ceil(total_counts/page_size), "total_counts":total_counts, "page_size":page_size, "current_page":page, "current_counts":0, "items":[]}
        d_id_list = []
        items = []
        for i in photo_data:
            d_id_list.append(int(i["device_id"]))
            items.append(i)
            data["current_counts"] += 1

        wheres = {
            "device_type_id":3,
            "id": {
                "$in": d_id_list
            }
        }
        project = {
            'id': "$id",
            'device_id': '$device_id',
            'device_name': '$device_name',
            'device_code': '$device_code',
            'province': '$province',
            'city': '$city',
            'district': '$district'
        }
        m = MongoDBTools(db_name='smartfarming', table_name='sa_device')
        device_data = m.find_many(wheres=wheres, options=project)
        d_id_dicts = {}
        for device_item in device_data:
            d_id_dicts[device_item["id"]] = {"location":device_item["province"]+device_item["city"]+device_item["district"],
                                            "device_id":device_item["device_id"],
                                            "device_code":device_item["device_code"],
                                            "device_name":device_item["device_name"] if device_item["device_name"] else "测报灯"
                                            }
        pest_image_data = []
        for photo_object in items:
            indentify_result = photo_object["indentify_result"]
            pest_string = ""
            pest_dict = {}
            for index,result in enumerate(indentify_result.split("#")) :
                if index != 0:
                    pest_string += "、"
                tuple_result = result.split(",")
                pest_name = insect_dict.get(tuple_result[0],"未命名")
                pest_string+=pest_name
                pest_dict[pest_name] = int(tuple_result[1])

            addtime = photo_object["addtime"]
            d_id = int(photo_object["device_id"])
            device_code = d_id_dicts.get(d_id,{"device_code":0}).get("device_code",0)
            
            img_path = settings.CONFIG["image_url"]["image"]
            if identify_model == "A":
                indentify_path = settings.CONFIG["image_url"]["discern"]
            elif identify_model == "B" and device_code == 4:    # 水稻
                indentify_path = settings.CONFIG["image_url"]["discern"]
            else:
                indentify_path = settings.CONFIG["image_url"]["discernB"]
            if photo_object["addr"].startswith("http"):
                img_url = photo_object["addr"] 
            elif photo_object["addr"].startswith('/'):
                img_url = img_path + photo_object["addr"]
            else:
                img_url = img_path + "/" + photo_object["addr"]
            if photo_object["indentify_photo"]:
                if photo_object["indentify_photo"].startswith("http"):
                    indentify_photo = photo_object["indentify_photo"]
                elif photo_object["indentify_photo"].startswith('/'):
                    indentify_photo = indentify_path + photo_object["indentify_photo"]
                else:
                    indentify_photo = indentify_path + "/" + photo_object["indentify_photo"]
            else:
                indentify_photo = ""
            pest_image_data.append({"deviceId":d_id_dicts.get(d_id,{"device_id":d_id})["device_id"],
                                    "deviceName":d_id_dicts.get(d_id,{"device_name":"测报灯"})["device_name"],
                                    "pestName":pest_string,
                                    "addtime":addtime,
                                    "location":d_id_dicts.get(d_id,{"location":""})["location"],
                                    "img_url":img_url,
                                    "indentify_photo":indentify_photo,
                                    "pest_dict":pest_dict
            })
        data["items"] = pest_image_data
        return Response(data)