from django.shortcuts import render

# Create your views here.

# Create your views here.
from django.http import JsonResponse
from .models import Teacher
from django.views.decorators.csrf import csrf_exempt
from io import BytesIO
from django.http.multipartparser import MultiPartParser
from django.http import QueryDict
import json
@csrf_exempt
def teacher(request):
    if request.method == "POST":
        teacher_information = Teacher()
        teacher_information.t_name = request.POST.get('t_name')
        teacher_information.t_sex = request.POST.get('t_sex')
        teacher_information.t_title = request.POST.get('t_title')
        teacher_information.t_education = request.POST.get('t_education')
        teacher_information.t_dept = request.POST.get('t_dept')
        teacher_information.save()
        print(teacher_information.t_name)
        return JsonResponse({'code': 200, 'msg': 'success',"data": teacher_information.to_dict()},  safe=False)

    elif request.method == "GET":
        t_name = request.GET.get('t_name')
        t_sex = request.GET.get('t_sex')
        t_title = request.GET.get('t_title')
        t_education = request.GET.get('t_education')
        t_dept = request.GET.get('t_dept')
        data = []
        if t_name:
            filtered = Teacher.objects.filter(t_name=t_name)
            for teacher_x in filtered:
                data.append(teacher_x.to_dict())
        elif t_sex:
            filtered = Teacher.objects.filter(t_sex=t_sex)
            for teacher_x in filtered:
                data.append(teacher_x.to_dict())
        elif t_title:
            filtered = Teacher.objects.filter(t_title=t_title)
            for teacher_x in filtered:
                data.append(teacher_x.to_dict())
        elif t_education:
            filtered = Teacher.objects.filter(t_education=t_education)
            for teacher_x in filtered:
                data.append(teacher_x.to_dict())
        elif t_dept:
            filtered = Teacher.objects.filter(t_dept=t_dept)
            for teacher_x in filtered:
                data.append(teacher_x.to_dict())
        else:
            all_objects = Teacher.objects.all()
            for teacher_x in all_objects:
                data.append(teacher_x.to_dict())
        return JsonResponse({'code': 200, 'msg': 'success', 'data': data}, safe=False)

    elif request.method == "DELETE":
        parser = MultiPartParser(request.META, BytesIO(request.body), request.upload_handlers, request.encoding)
        post_dict = parser.parse()
        print(post_dict)
        tid = int(post_dict[0]['tid'])
        print(tid)
        try:
            info = Teacher.objects.filter(tid=tid).get().to_dict()
            Teacher.objects.filter(tid=tid).delete()
            response = {"code": 200, "message": "删除成功！", "data": info}
            return JsonResponse(response)
        except:
            response = {"code": 200, "message": "删除失败，未找到老师信息！"}
            return JsonResponse(response)
    elif request.method == 'PUT':
        put = MultiPartParser(request.META, request, request.upload_handlers, request.encoding).parse()
        # request.PUT = put[0]
        print(put)
        tid = put[0]['tid']
        t_name = put[0]['t_name']
        t_sex = put[0]['t_sex']
        t_title = put[0]['t_title']
        t_education = put[0]['t_education']
        t_dept = put[0]['t_dept']
        Teacher.objects.filter(tid=tid).update(t_name=t_name)
        Teacher.objects.filter(tid=tid).update(t_sex=t_sex)
        Teacher.objects.filter(tid=tid).update(t_title=t_title)
        Teacher.objects.filter(tid=tid).update(t_education=t_education)
        Teacher.objects.filter(tid=tid).update(t_dept=t_dept)
        data = Teacher.objects.filter(tid=tid)[0].to_dict()
        return JsonResponse({'code': 200, 'msg': 'success','data':data}, safe=False)



def delete(request):
    tid = request.GET.get('tid')
    Teacher.objects.filter(tid = tid).delete()
    return JsonResponse({'code': 200, 'msg': 'success'}, safe=False)