import datetime
import json
import os

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

from apps.file.models import FileManager
from apps.log.models import get_log, gen_log
from apps.plan.models import TestPlan
from apps.company.models import Company
from apps.software.models import Software
from apps.user.middleware.rolecontrol import RoleControl
from apps.user.models import User
from utils.util_add_id import gen_next_id, get_id
from TestLaboratory.settings import PLAN_ROOT

import logging

logger = logging.getLogger('django')


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

    # create plan
    @staticmethod
    @RoleControl
    def post(request, *args, **kwargs):
        software_id = request.POST.get('software_id')
        version_number = request.POST.get('version_number')
        title = request.POST.get('title')
        description = request.POST.get('description')
        files = request.FILES.getlist('files')
        creator_id = request.POST.get('creator')
        type = request.POST.get('type')
        company_id = request.POST.get('company_id')
        if company_id == '':
            company_id = -1
        # step1:判断所属软件及版本是否存在
        software = Software.objects.filter(id=software_id, delete=False)
        if not software:
            logger.error("软件已删除或不存在")
            return HttpResponse(status=404, content='软件已删除或不存在')
        software = software[0]

        # 判断版本是否存在
        software_version = software.version_set.filter(number=version_number, delete=False)
        if not software_version:
            logger.error("软件版本不存在或已删除，请重新选择")
            return HttpResponse(status=404, content='软件版本不存在或已删除，请重新选择')
        software_version = software_version[0]

        # 判断用户是否存在
        creator = User.objects.filter(id=creator_id, delete=False)
        if not creator:
            logger.error("用户不存在，创建失败")
            return HttpResponse(status=404, content='用户不存在，创建失败')
        creator = creator[0]

        # step5：设置创建时间和修改时间
        create_time = update_time = datetime.datetime.now()

        # step6:创建测试计划的数据库记录
        id_plan = get_id(TestPlan, "TestLaboratory_V1_Plan_1")

        # step7：创建文件的数据库字段
        fids = ''
        file_paths = []
        file_ids = []
        for file in files:
            try:
                file_dir = PLAN_ROOT + "/" + id_plan + "/" + str(create_time)
                if not os.path.exists(file_dir):
                    os.makedirs(file_dir)
                file_path = file_dir + "/" + file.name
                with open(file_path, 'wb') as f:
                    f.write(file.read())
                f.close()
            except:
                logger.error("文件上传失败")
                return HttpResponse(status=500, content="文件上传失败")

            if not FileManager.objects.last():
                id_file = "TestLaboratory_V1_File_1"
            else:
                id_file = gen_next_id(FileManager.objects.order_by('create_time').last().id)

            try:
                file_new = FileManager.objects.create(id=id_file, category="plan_statement",
                                                      path=id_plan + "/" + 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(PLAN_ROOT + file_new.path)
            fids += id_file + "&&"
        fids = fids[:-2]

        try:
            plan = TestPlan.objects.create(id=id_plan, title=title, description=description, state='0',
                                           creator=creator, software=software, version=software_version.number,
                                           statement_file=fids, type=type, company_id=company_id,
                                           create_time=create_time, update_time=update_time)
        except:
            logger.error("测试计划写入数据库失败")
            return HttpResponse(status=500, content='测试计划写入数据库失败')

        executor, action, method = get_log(request)
        gen_log(action, "测试计划", plan.title, method, executor)
        return Response({
            'software_id': software.id,
            'software_name': software.name,
            'version': version_number,
            'creator_id': creator.id,
            'creator': creator.username,
            'type': type,
            'id': plan.id,
            'title': title,
            'description': description,
            'state': '执行中',
            'files': [{'file_id': file_id, 'file_name': file.name, 'file_url': file_path} for (file_id, file, file_path)
                      in zip(file_ids, files, file_paths)]
        })

    # view plan_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')
        creator_id = request.GET.get('creator_id')
        company_id = request.GET.get('company_id')
        sort = request.GET.get('sort')

        plan_all = TestPlan.objects.order_by('-create_time')
        if title:
            plan_all = plan_all.filter(title__contains=title)
        if software_id:
            plan_all = plan_all.filter(software__id=software_id)
        if state:
            plan_all = plan_all.filter(state=state)
        if creator_id:
            plan_all = plan_all.filter(creator__id__contains=creator_id)
        if company_id:
            plan_all = plan_all.filter(company_id=company_id)
        """
        sort=update_time, -update_time, create_time, -create_time, title, -title, state
        """
        if sort:
            plan_all = plan_all.order_by(sort)
        plan_all = plan_all.filter(delete=False)

        if not plan_all:
            return Response([])

        info = []

        for plan in plan_all.all():
            company_name = ''
            try:
                company = Company.objects.get(id=plan.company_id)
                company_name = company.name
            except:
                pass
            info.append({
                'software_id': plan.software.id,
                'software_name': plan.software.name,
                'version': plan.version,
                'type': plan.type,
                'creator_id': plan.creator.id,
                'creator': plan.creator.username,
                'id': plan.id,
                'title': plan.title,
                'description': plan.description,
                'state': plan.state,
                'create_time': plan.create_time,
                'update_time': plan.update_time,
                'company_id': plan.company_id,
                'company_name': company_name
            })
        return Response(info)