from django.http import JsonResponse
from utils.fbmsg import FBMsg
from django.contrib import auth
from django.contrib.auth.models import User
import json
from userprofile.models import Users
from staff.models import ListModel as staff
from operation_log.views import log_success_operation, log_failure_operation

def login(request, *args, **kwargs):
    post_data = json.loads(request.body.decode())
    data = {
        "name": post_data.get('name'),
        "password": post_data.get('password'),
    }
    ip = request.META.get('HTTP_X_FORWARDED_FOR') if request.META.get(
        'HTTP_X_FORWARDED_FOR') else request.META.get('REMOTE_ADDR')
    if User.objects.filter(username=str(data['name'])).exists():
       
        user = auth.authenticate(username=str(data['name']), password=str(data['password']))
        if user is None:
            # 记录登录失败日志
            try:
                log_failure_operation(
                    request=request,
                    operation_content=f"用户登录失败：密码错误 - 用户名：{data['name']}",
                    operation_level="login",
                    operator=data.get('name'),
                    module_name="用户登录"
                )
            except Exception:
                pass
            
            err_ret = FBMsg.err_ret()
            err_ret['data'] = data
            return JsonResponse(err_ret)
        else:
            
             
            staff_detail = staff.objects.filter(staff_name=str(data['name'])).first()
            if staff_detail.is_lock == 1:
                # 记录登录失败日志（账号被锁定）
                try:
                    log_failure_operation(
                        request=request,
                        operation_content=f"用户登录失败：账号已被锁定 - 用户名：{data['name']}",
                        operation_level="login",
                        operator=data.get('name'),
                        module_name="用户登录"
                    )
                except Exception:
                    pass
                
                err_ret = FBMsg.err_lock_staff()
                err_ret['data'] = data
                return JsonResponse(err_ret)
            else:
                    data = {
                        "name": data['name'],
                        'openid': staff_detail.openid,
                        "user_id": staff_detail.id,
                        "appid": staff_detail.appid,
                        "staff_type" : staff_detail.staff_type,
                    }
                    ret = FBMsg.ret()
                    ret['ip'] = ip
                    ret['data'] = data
                    auth.login(request, user)
                    
                    # 记录登录成功日志
                    try:
                        log_success_operation(
                            request=request,
                            operation_content=f"用户登录成功 - 用户名：{data['name']}，角色：{staff_detail.staff_type}",
                            operation_level="login",
                            operator=data.get('name'),
                            module_name="用户登录"
                        )
                    except Exception:
                        pass
                    
                    return JsonResponse(ret)
    
    else:
        # 记录登录失败日志（用户不存在）
        try:
            log_failure_operation(
                request=request,
                operation_content=f"用户登录失败：用户不存在 - 用户名：{data['name']}",
                operation_level="login",
                operator=data.get('name'),
                module_name="用户登录"
            )
        except Exception:
            pass
        
        err_ret = FBMsg.err_ret()
        err_ret['ip'] = ip
        err_ret['data'] = data
        return JsonResponse(err_ret)