import datetime

from django.http import HttpResponse
from rest_framework.response import Response
from rest_framework.views import APIView

from apps.project.models import RetrievalProject

import logging

from apps.task.models import RetrievalTask

logger = logging.getLogger('django')


class TaskListView(APIView):
    # create retrievalTask
    @staticmethod
    def post(request, *args, **kwargs):
        title = request.POST.get('title')
        description = request.POST.get('description')
        task_type = request.POST.get('type')
        project_id = request.POST.get('project_id')

        create_time = update_time = datetime.datetime.now()

        if not project_id:
            logger.error('未输入项目id，创建失败')
            return HttpResponse(status=500, content='未输入项目id，创建失败')

        project_id = int(project_id)

        project = RetrievalProject.objects.filter(id=project_id, delete=False)
        if not project:
            logger.error("项目已删除或不存在")
            return HttpResponse(status=500, content='项目已删除或不存在')
        project = project[0]

        if not title:
            logger.error('任务名称不能为空')
            return HttpResponse(status=500, content='任务名称不能为空')

        if not task_type:
            logger.error('任务类型不能为空')
            return HttpResponse(status=500, content='任务类型不能为空')

        task = RetrievalTask.objects.create(title=title, type=task_type, project=project, description=description,
                                            state=0, create_time=create_time, update_time=update_time, delete=False)

        return Response({
            'id': task.id,
            'title': task.title,
            'type': task.type,
            'description': task.description,
            'state': task.state,
            'create_time': create_time,
            'update_time': update_time
        })

    # get task list
    @staticmethod
    def get(request, *args, **kwargs):
        title = request.GET.get('title')
        state = request.GET.get('state')
        task_type = request.GET.get('type')
        sort = request.GET.get('sort')

        task_all = RetrievalTask.objects.order_by('id').filter(delete=False)
        if title:
            task_all = task_all.filter(title__contains=title)
        if task_type:
            task_all = task_all.filter(type__contains=task_type)
        if state:
            state = int(state)
            task_all = task_all.filter(state=state)
        if sort:
            task_all = task_all.order_by(sort)

        if not task_all:
            return Response([])

        info = []
        for task in task_all.all():
            info.append({
                'id': task.id,
                'title': task.title,
                'description': task.description,
                'state': task.state,
                'type': task.type,
                'create_time': task.create_time,
                'update_time': task.update_time
            })
        return Response(info)