# -*- coding: utf-8 -*-

from __future__ import division

from django.conf import settings
from django.db import transaction
from django.shortcuts import render
from django_logit import logit

from account.models import FranchiserInfo, SaleclerkInfo
from utils.error.errno_utils import FranchiserStatusCode, SaleclerkStatusCode
from utils.error.response_utils import response


def clerk_oauth(request):
    unionid = request.GET.get('unionid', '')

    chisers = FranchiserInfo.objects.filter(status=True)
    chisers = [chiser.data for chiser in chisers]

    try:
        clerk = SaleclerkInfo.objects.get(unionid=unionid)
    except SaleclerkInfo.DoesNotExist:
        clerk = None

    return render(request, 'page/clerk_oauth.html', {
        'domain': settings.DOMAIN,
        'chisers': chisers,
        'clerk_info': clerk and clerk.data,
        'modified': bool((not clerk) or (clerk and clerk.user_status in [SaleclerkInfo.UNVERIFIED, SaleclerkInfo.REFUSED])),  # 是否可以更改信息
    })


@logit
@transaction.atomic
def clerk_submit_api(request):
    """ 店员授权信息提交 """
    unionid = request.POST.get('unionid', '')
    openid = request.POST.get('openid', '')
    phone = request.POST.get('phone', '')
    chiser = request.POST.get('chiser', '')

    if SaleclerkInfo.objects.filter(clerk_phone=phone).exclude(unionid=unionid).exists():
        return response(SaleclerkStatusCode.CLERK_PHONE_ALREADY_EXISTS)

    try:
        franchiser = FranchiserInfo.objects.get(franchiser_id=chiser)
    except FranchiserInfo.DoesNotExist:
        return response(FranchiserStatusCode.CHISER_NOT_FOUND)

    fields = {
        'franchiser_id': chiser,
        'franchiser_name': franchiser.franchiser_name,
        'clerk_name': request.POST.get('name', ''),
        'clerk_sex': int(request.POST.get('sex', 1)),
        'clerk_phone': phone,
        'openid': openid,
        'user_status': SaleclerkInfo.UNVERIFIED,
    }

    lensman, created = SaleclerkInfo.objects.select_for_update().get_or_create(unionid=unionid, defaults=fields)
    # 状态为 UNVERIFIED 的允许修改, 其他需要登录摄影师 APP 进行信息的修改
    if lensman.user_status not in [SaleclerkInfo.UNVERIFIED, SaleclerkInfo.REFUSED]:
        return response(SaleclerkInfo.LENSMAN_ALREADY_NOT_UNVERIFIED)
    if not created:
        for key, value in fields.iteritems():
            setattr(lensman, key, value)
        lensman.save()

    return response(200, 'Submit Success', u'提交成功', {})