from netforce.model import Model, fields, get_model

class ChangeVisit(Model):
    _name="clinic.change.visit"
    _transient=True

    _fields={
        "visit_id": fields.Many2One("clinic.visit","Visit",required=True,on_delete="cascade"),
        "time_start": fields.DateTime("Start Time",required=True),
        "time_stop": fields.DateTime("End Time",required=True),
        "patient_id": fields.Many2One("clinic.patient","Patient",required=True,search=True,domain=[['state','=','admit']]),
        "doctor_id": fields.Many2One("clinic.staff","Doctor", domain=[['type','=','doctor']],search=True),
        "department_id": fields.Many2One("clinic.department", "Department",search=True),
        'branch_id': fields.Many2One("clinic.branch","Branch"),
        "cycle_id": fields.Many2One("clinic.cycle","Cycle"),
        'visit_date': fields.Date('Date',required=True),
        'note': fields.Text('Note'),
    }

    def default_get(self,field_names=None,context={},**kw):
        print("clinic.change.visit.default")
        #defaults=context.get("defaults",{})
        refer_id=context.get("refer_id")
        res={}
        if refer_id:
            refer_id=int(refer_id)
            obj=get_model("clinic.visit").browse(refer_id)
            res={
                'visit_id': refer_id,
                'patient_id': obj.patient_id.id,
                'doctor_id': obj.doctor_id.id,
                'department_id': obj.department_id.id,
                'branch_id': obj.department_id.branch_id.id,
                'cycle_id': obj.cycle_id.id,
                'time_start': obj.time_start,
                'time_stop': obj.time_stop,
                'visit_date': obj.visit_date,
            }
        print(res)
        return res

    def do_change(self,ids,context):
        obj=self.browse(ids)[0]
        context['branch_id']=obj.department_id.branch_id.id
        dom=[
            ['visit_date','=',obj.visit_date],
            ['patient_id','=',obj.patient_id.id],
            ['cycle_id','=',obj.cycle_id.id], #XXX
            ['department_id','=',obj.department_id.id],
        ]
        res=get_model("clinic.visit").search(dom)
        if res:
            raise Exception("This visit already exist in the system!")
        new_id=get_model("clinic.visit").create({
            'patient_id': obj.patient_id.id,
            'doctor_id': obj.doctor_id.id,
            'department_id': obj.department_id.id,
            'branch_id': obj.department_id.branch_id.id,
            'cycle_id': obj.cycle_id.id,
            'time_start': obj.time_start,
            'time_stop': obj.time_stop,
            'visit_date': obj.visit_date,
            'state': 'pending',
        },context=context)
        obj.visit_id.to_draft()
        obj.visit_id.cancel()
        visit=get_model("clinic.visit").browse(new_id)
        return {
            'next': {
                'name': 'clinic_visit',
                'mode': 'form',
                'active_id': new_id,
            },
            'flash': 'Copy visit %s to %s has been successfully'%(obj.visit_id.visit_date, visit.visit_date)
        }

    def onchange_date(self,context={}):
        data=context['data']
        date=data['visit_date']
        time_start=data['time_start'][11:]
        time_stop=data['time_stop'][11:]
        data['time_start']='%s %s'%(date,time_start)
        data['time_stop']='%s %s'%(date,time_stop)
        return data

    def onchange_department(self,context={}):
        data=context['data']
        dpt_id=data['department_id']
        if dpt_id:
            dpt=get_model("clinic.department").browse(dpt_id)
            data['branch_id']=dpt.branch_id.id
        return data

    def onchange_cycle(self,context={}):
        data=context['data']
        cycle_id=data['cycle_id']
        date=data['visit_date']
        if not date:
            date=data['time_start'][0:10]
        if cycle_id:
            cycle=get_model('clinic.cycle').browse(cycle_id)
            data['time_start']=date+' %s:00'%cycle.time_start
            data['time_stop']=date+' %s:00'%cycle.time_stop
        return data

    def onchange_datefrom(self,context={}):
        data=context['data']
        data['visit_date']=data['time_start'][0:10]
        return data

    def onchange_patient(self,context={}):
        data=context['data']
        patient_id=data['patient_id']
        patient=get_model("clinic.patient").browse(patient_id)
        doctor=patient.doctor_id
        visits=self.search_browse([['patient_id','=',patient_id]],order="number desc")
        if visits:
            visit=visits[0]
            department_id=None
            if visit.department_id:
                department_id=visit.department_id.id
            elif patient.department_id:
                department_id=patient.department_id.id
            branch_id=None
            if visit.branch_id:
                branch_id=visit.branch_id.id
            elif patient.branch_id:
                branch_id=patient.branch_id.id
            data['department_id']=department_id
            data['branch_id']=branch_id
        else:
            department=patient.department_id
            branch=patient.branch_id
            data['department_id']=department.id
            data['branch_id']=branch.id
        data['doctor_id']=doctor.id
        return data 

ChangeVisit.register()