from django.forms import model_to_dict
# from django.forms.models import model_to_dict
from django.http import JsonResponse
from django.views.decorators.csrf import csrf_exempt
from .model_handler import PartHandler, VendorHandler
from .models import VendorAttachment
from Info.model_handler import CompanyHandler, UserHandler
from Info.func import file_upload, get_file


def code_check(request):
    company = CompanyHandler.get_by_id(request.session.get('company_id'))
    result = {'code': 1, 'content': None}
    if request.method == 'GET':
        vendor = VendorHandler.get_by_code(request.GET.get('vendor_code'), company)
        if vendor:
            result = {'code': 1, 'content': "这个供应商编号已经使用了。"}
        else:
            result = {'code': 0, 'content': None }
        
        return JsonResponse(result)


@csrf_exempt
def file(request):
    result = {'code': 1, 'content': None}
    company = CompanyHandler.get_by_id(request.session.get('company_id'))
    user = UserHandler.get_by_id(request.session.get('user_id'))
    if request.method == 'GET':
        return get_file(request)
    if request.method == 'POST':
        upload_result = file_upload(request, ['BOM', 'vendor'])
        if upload_result['code'] == 0:
            v_attachment = VendorAttachment()
            v_attachment.company = company
            v_attachment.creator = user
            v_attachment.display_name = upload_result['target_file_name']
            v_attachment.url = upload_result['target_file_path'] + upload_result['target_file_name']
            v_attachment.save()
            content = {'id':v_attachment.id , 'url': v_attachment.url, 'display_name': v_attachment.display_name}
            result['code'] = 0
            result['content'] = content
        else:
            result['content'] = '上传失败'
        
        return JsonResponse(result)


def search_vendor(request):
    if request.method == 'GET':
        result = {'code': 1, 'content': None, 'msg':None}
        company = CompanyHandler.get_by_id(request.session.get('company_id'))
        vendor_name_keyword = request.GET.get('vendor_name')
        vendors = VendorHandler.search_like_name(vendor_name_keyword, company)
        vendor_list = []
        for v in vendors:
            vendor_list.append(model_to_dict(v))
        result['code'] = 0
        result['content'] = vendor_list
        return JsonResponse(result)