import datetime

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

from TestLaboratory.settings import TASK_ROOT, CASE_TEMPLATE_ROOT, HTTP_HEAD
from apps.file.models import FileManager
from apps.log.models import get_log, gen_log
from apps.plan.models import TestPlan
from apps.task.models import TestTask, TestCase
from apps.user.middleware.rolecontrol import RoleControl
from apps.user.models import User
from utils.util_add_id import get_id
from utils.util_file.util_fileio import write_file

import logging
logger = logging.getLogger('django')


class TaskListView(APIView):
    # 登录权限验证
    authentication_classes = []

    # create task
    @staticmethod
    @RoleControl
    def post(request, *args, **kwargs):
        plan_id = request.POST.get('plan_id')
        title = request.POST.get('title')
        description = request.POST.get('description')
        executors_id = request.POST.get('executors').split('&&')
        statement_files = request.FILES.getlist('files')

        # step1:判断所属软件及版本是否存在
        plan = TestPlan.objects.filter(id=plan_id, delete=False)
        if not plan:
            logger.error("测试计划已删除或不存在")
            return HttpResponse(status=404, content='测试计划已删除或不存在')

        # step1：创建文件的数据库字段
        fids = ''
        file_paths = []
        file_ids = []
        for file in statement_files:
            create_time = update_time = datetime.datetime.now()
            try:
                write_file(file, TASK_ROOT + "/" + str(create_time))
            except:
                logger.error("文件上传失败")
                return HttpResponse(status=500, content="文件上传失败")

            id_file = get_id(FileManager, "TestLaboratory_V1_File_1")

            try:
                file_new = FileManager.objects.create(id=id_file, category="plan_statement",
                                                      path=str(create_time) + "/" + file.name,
                                                      create_time=create_time,
                                                      update_time=update_time)
            except:
                logger.error("文件路径写入数据库失败")
                return HttpResponse(status=500, content="文件路径写入数据库失败")
            file_ids.append(id_file)
            file_paths.append(TASK_ROOT + file_new.path)
            fids += id_file + '&&'
        fids = fids[:-2]

        task_files = {'case-template': CASE_TEMPLATE_ROOT, 'statement-fids': fids}

        create_time = update_time = datetime.datetime.now()
        return_value = []
        for executor_id in executors_id:
            executor = User.objects.filter(id=executor_id, delete=False)
            if not executor:
                logger.error("执行者用户不存在")
                return HttpResponse(status=404, content='执行者用户不存在')

            task_id = get_id(TestTask, 'TestLaboratory_V1_Task_1')
            task = TestTask.objects.create(id=task_id, title=title, description=description, state=0, plan_id=plan_id,
                                           statement_file=fids, executor_id=executor_id,
                                           create_time=create_time, update_time=update_time)
            executor, action, method = get_log(request)
            gen_log(action, "测试任务", task.title, method, executor)
            return_value.append({
                'software_id': task.plan.software.id,
                'software_name': task.plan.software.name,
                'version': task.plan.version,
                'id': task.id,
                'executor_id': executor_id,
                'title': title,
                'description': description,
                'state': 0,
                'files': [{'file_id': id_file, 'file_name': file.name, 'file_url': HTTP_HEAD + file_path} for
                          (id_file, file, file_path)
                          in zip(file_ids, statement_files, file_paths)],
                'case_template': HTTP_HEAD + CASE_TEMPLATE_ROOT
            })
        return Response(return_value)

    # view task_list
    @staticmethod
    @RoleControl
    def get(request, *args, **kwargs):
        title = request.GET.get('title')
        software_id = request.GET.get('software_id')
        state = request.GET.get('state')
        executor_id = request.GET.get('executor_id')
        sort = request.GET.get('sort')

        task_all = TestTask.objects.order_by('-create_time')
        if title:
            task_all = task_all.filter(title__contains=title)
        if software_id:
            task_all = task_all.filter(plan__software__id=software_id)
        if state:
            task_all = task_all.filter(state=state)
        if executor_id:
            task_all = task_all.filter(executor_id=executor_id)
        """
        sort=update_time, -update_time, create_time, -create_time, title, -title, state
        """
        if sort:
            task_all = task_all.order_by(sort)
        task_all = task_all.filter(delete=False)

        if not task_all:
            return Response([])

        info = []
        for task in task_all.all():
            fail_num = len(TestCase.objects.filter(task=task, state=2, delete=False))
            info.append({
                'software_id': task.plan.software.id,
                'software_name': task.plan.software.name,
                'version': task.plan.version,
                # 'executor_id': task.executor_id,
                'executor': {'id': task.executor.id, 'name': task.executor.username},
                'plan_name': task.plan.title,
                'id': task.id,
                'title': task.title,
                'description': task.description,
                'state': task.state,
                'fail_num': fail_num,
                'create_time': task.create_time,
                'update_time': task.update_time,
            })
        return Response(info)