import time
from netforce.model import Model, fields, get_model
from netforce.access import get_active_user, set_active_user
'''
    lines:
        patient, location -> text
    patient:
        share location
'''

class NewPatient(Model):
    _name="new.patient"
    _transient=True

    _fields={
        'name': fields.Char("Patient Name", required=True),
        'date': fields.Date("Date"),
        'lines': fields.One2Many("new.patient.line","new_id","Lines"),
        'state': fields.Selection([['step1','Step1'],['step2','Step2']], 'State'),

        'location_from_id': fields.Many2One("clinic.department","From Location"),
        'location_to_id': fields.Many2One("clinic.department","To Location"),
    }

    _defaults={
        'state': 'step1',
        'date': lambda *a: time.strftime("%Y-%m-%d")
    }

    def find_patient(self, ids, context={}):
        user_id=get_active_user()
        set_active_user(1)

        obj=self.browse(ids)[0]
        get_model("new.patient.line").delete([l.id for l in obj.lines])
        lines=[]
        cond=[
            ['name','ilike',obj.name],
        ]
        for patient in get_model("clinic.patient").search_browse(cond+[["dispose","=",True]]):
            vals={
                'patient_id': patient.id,
                'department_id': patient.department_id.id,
                'patient_name': patient.name,
                'department_name': patient.department_id.name,
            }
            lines.append(('create',vals))
        if not lines:
            for patient_id in get_model("clinic.patient").search(cond):
                return {
                    'next': {
                        'name': "clinic_patient",
                        "mode": "form",
                        "active_id": patient_id,
                    },
                    'flash': "ผู้ป่วยนี้มีอยู่แล้วในระบบ",
                }

        if len(lines)==1:
            lines[0][1]['choose']=True
        obj.write({
            'lines': lines,
        })

        set_active_user(user_id)

    def step1(self, ids, context={}):
        obj=self.browse(ids)[0]
        res=obj.find_patient()
        if res:
            return res
        obj.write({
            'state': 'step2',
        })

    def back_step1(self, ids, context={}):
        obj=self.browse(ids)[0]
        obj.write({
            'state': 'step1',
        })
        print("back step1")

    def step2(self, ids, context={}):
        print("step2")
        location_to_id=get_model("clinic.patient")._get_department(context)
        user_id=get_active_user()
        set_active_user(1)

        obj=self.browse(ids)[0]
        if not obj.lines:
            res=obj.name.split(" ")
            fname=''
            lname=''
            if len(res)>1:
                fname=res[0]
                lname=res[1]
            else:
                fname=obj.name
            return {
                'next': {
                    'name': 'clinic_patient',
                    'mode': 'form',
                    'defaults': {
                        'first_name': fname,
                        'last_name': lname,
                    },
                }
            }
        else:
            select_lines=[]
            for line in obj.lines:
                if line.choose:
                    select_lines.append(line)
            if not select_lines:
                raise Exception("Please choose patient!")
            if len(select_lines)>1:
                raise Exception("Can not select patient more than 1!")

            line=[line for line in obj.lines if line.choose][0]
            patient=line.patient_id
            patient_id=patient.id

            #default location from
            #1. find in patient profile
            location_code=patient.location.split(",")[-1]
            location_from_id=None
            for location_id in get_model("clinic.department").search([['code','=',location_code]]):
                location_from_id=location_id
            obj.write({
                'state': 'step3',
                'location_from_id': location_from_id,
                'location_to_id': location_to_id,
            })
        set_active_user(user_id)

    def back_step2(self, ids, context={}):
        obj=self.browse(ids)[0]
        obj.write({
            'state': 'step2',
        })
        print("back step2")

    def confirm(self, ids, context={}):
        user_id=get_active_user()
        set_active_user(1)

        obj=self.browse(ids)[0]
        line=[line for line in obj.lines if line.choose][0]
        patient=line.patient_id

        #share location here

        location=patient.location.split(",")+[obj.location_to_id.code or '']
        sloc=list(set(location))
        location=','.join([loc for loc in sloc if loc])
        patient.write({
            'location': location,
        })

        set_active_user(user_id)

        patient_id=patient.id
        
        vals={
            'patient_id': patient_id,
            'location_from_id': obj.location_from_id.id,
            'location_to_id': obj.location_to_id.id,
            'state': 'new',
            'date': obj.date,
        }

        get_model("clinic.patient.move").create(vals)

        patient.write({
            'dispose': False,
        })

        return {
            'next': {
                'name': 'clinic_patient',
                'mode': 'form',
                'active_id': patient.id,
            },
            'flash': "New patient successful!",
        }


NewPatient.register()