import time
from calendar import monthrange

from netforce.model import Model,fields,get_model
from netforce.access import get_active_company

from . import utils

class ReportDiscontinuePatient(Model):
    _name="clinic.report.discontinue.patient"
    _string="Report Discontinue Patient"
    _transient=True
    
    _fields={
        "date": fields.Date("Month"),
        "date_from": fields.Date("From", required=True),
        "date_to": fields.Date("To", required=True),
    }

    def _get_date_from(self,context={}):
        year,month=time.strftime("%Y-%m").split("-")
        return '%s-%s-01'%(year,month)

    def _get_date_to(self,context={}):
        year,month,day=time.strftime("%Y-%m-%d").split("-")
        weekday, total_day=monthrange(int(year), int(month))
        return "%s-%s-%s"%(year,month,total_day)

    _defaults={
        'date': lambda *a: time.strftime("%Y-%m-%d"),
        'date_from': _get_date_from,
        'date_to': _get_date_to,
    }
    
    def get_report_data(self,ids,context={}):
        company_id=get_active_company()
        company=get_model('company').browse(company_id)
        year, month=time.strftime("%Y-%m").split("-")
        weekday, total_day=monthrange(int(year), int(month))
        time_start='%s-%s-01'%(year,str(month).zfill(2))
        time_stop='%s-%s-%s'%(year,str(month).zfill(2),total_day)

        defaults=context.get('defaults')
        if defaults:
            year,month,day=defaults['date'].split("-")
            time_start='%s-%s-01'%(year,str(month).zfill(2))
            time_stop='%s-%s-%s'%(year,str(month).zfill(2),total_day)
        if ids:
            obj=self.browse(ids)[0]
            month=obj.date_from.split("-")[1]
            time_start=obj.date_from
            time_stop=obj.date_to
        # new patient of this month
        dom=[]
        dom.append(['resign_date','>=',time_start])
        dom.append(['resign_date','<=',time_stop])
        dom.append(['active','=',False])
        records=get_model('clinic.patient').search_browse(dom)
        lines=[]
        no=1
        for record in records:
            lines.append({
               'no': no,
               'name': record.name or '',
               'pid': record.id,
               'note': record.note or '',
               'resign_date': record.resign_date or '',
            })
            no+=1
            
        month_str=utils.MONTHS['th_TH'][int(month)]
        start=int(time_start[8:10])
        stop=int(time_stop[8:10])
        diff=stop-start
        data={
            'company_name': company.name or "",
            'parent_company_name': company.parent_id.name or "",
            'lines': lines,
            'month': month_str,
            'from': time_start,
            'to': time_stop,
            'is_duration': diff+1 < total_day,
            'year': year,
        }
        return data

    def onchange_date(self,context={}):
        data=context['data']
        date=data['date']
        year,month,day=date.split("-")
        weekday, total_day=monthrange(int(year), int(month))
        data['date_from']="%s-%s-01"%(year,month)
        data['date_to']="%s-%s-%s"%(year,month,total_day)
        return data

ReportDiscontinuePatient.register()