import datetime

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

from TestLaboratory.settings import PLAN_ROOT, HTTP_HEAD
from apps.log.models import get_log, gen_log
from apps.plan.models import TestPlan
from apps.file.models import FileManager
from utils.util_add_id import get_id
from utils.util_file.util_fileio import write_file

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


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

    # view plan
    @staticmethod
    def get(request, plan_id, *args, **kwargs):
        plan = TestPlan.objects.filter(id=plan_id, delete=False)
        if not plan:
            logger.error("测试计划不存在")
            return HttpResponse(status=404, content='测试计划不存在')
        plan = plan[0]

        plan_sids = plan.statement_file.split('&&')

        file_names = []
        file_urls = []
        if plan_sids[0]:
            for statement_id in plan_sids:
                statement = FileManager.objects.get(id=statement_id)
                file_urls.append(PLAN_ROOT + statement.path)
                file_names.append(statement.path.split('/')[-1])

        tasks_info = []
        tasks = plan.testtask_set.filter(delete=False)
        if tasks:
            for task in tasks:
                tasks_info.append({
                    'id': task.id,
                    'title': task.title,
                    'description': task.description,
                    'state': task.state,
                    'executor': {'id': task.executor.id, 'name': task.executor.username},
                    'create_time': task.create_time,
                    'update_time': task.update_time
                })
        executor, action, method = get_log(request)
        gen_log(action, "测试计划", plan.title, method, executor)
        return Response({
            'software_id': plan.software.id,
            'software_name': plan.software.name,
            'version': plan.version,
            'creator_id': plan.creator.id,
            'creator': plan.creator.username,
            'id': plan.id,
            'title': plan.title,
            'description': plan.description,
            'state': plan.state,
            'tasks': tasks_info,
            'create_time': plan.create_time,
            'update_time': plan.update_time,
            'statements': [{'file_id': file_sid, 'name': file_name, 'url': HTTP_HEAD + file_url} for file_sid, file_name
                           , file_url in zip(plan_sids, file_names, file_urls)]
        })

    # delete plan_list
    @staticmethod
    def delete(request, plan_id, *args, **kwargs):
        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')
        plan = plan[0]

        plan_sids = plan.statement_file.split('&&')

        if plan_sids[0]:
            for statement_id in plan_sids:
                statement = FileManager.objects.get(id=statement_id)
                statement.delete = True
                statement.save()
        plan.delete = True
        plan.save()
        executor, action, method = get_log(request)
        gen_log(action, "测试计划", plan.title, method, executor)
        return HttpResponse("删除完成")


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

    # edit plan_list
    @staticmethod
    def post(request, plan_id, *args, **kwargs):
        title = request.POST.get('title')
        state = request.POST.get('state')
        description = request.POST.get('description')
        files = request.FILES.getlist('files')

        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')
        plan = plan[0]

        plan.title = title
        plan.state = state
        plan.description = description

        fids = ''
        for file in files:
            create_time = update_time = datetime.datetime.now()
            try:
                write_file(file,
                           PLAN_ROOT + "/" + plan_id + "/" + 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=plan_id + "/" + 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")
            fids += id_file + '&&'
        fids = fids[:-2]

        plan.statement_file += fids
        plan.save()
        executor, action, method = get_log(request)
        gen_log(action, "测试计划", plan.title, method, executor)
        return HttpResponse("编辑已保存")