import time
from calendar import monthrange

from netforce.model import Model, fields, get_model

class PaymentMatching(Model):
    _name="clinic.payment.matching"
    _string="Payment Matching"
    _transient=True


    _fields={
        'name': fields.Char("Name"),
        "date": fields.Date("Month"),
        "date_from": fields.Date("From", required=True),
        "date_to": fields.Date("To", required=True),
        'file_id': fields.Many2One('document','File',domain=[['categ_id.code','=','MP']]),
        "period_id": fields.Many2One("clinic.period.line","Period"),
        'department_id': fields.Many2One("clinic.department","Department"),
        'branch_id': fields.Many2One("clinic.branch","Branch"),
        "inv_state": fields.Selection([("draft","Draft"),("waiting_approval","Waiting Approval"),("waiting_payment","Waiting Payment"),("paid","Paid"),("voided","Voided")],"Status"),
        "view_type": fields.Selection([("invoice","Invoice"),("file","File")],"View Type"),
    }

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

    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,day)

    def default_get(self,field_names=None,context={},**kw):
        defaults=context.get("defaults",{})
        date_from=defaults.get("date_from", self._get_date_from())
        date_to=defaults.get("date_to", self._get_date_to())
        yearnow=date_from.split("-")[0]
        for period in get_model('clinic.period').search_browse([['name','=',yearnow]]):
            for line in period.lines:
                if line.state=='open':
                    period_id=line.id
                    date_from=line.date_start
                    date_to=line.date_stop
                    break
        res={
            'period_id': period_id,
            'date': time.strftime("%Y-%m-%d"),
            'date_from': date_from,
            'date_to': date_to,
            'inv_state': 'waiting_payment',
            'view_type': 'invoice',
        }
        return res

    def onchange_period(self,context={}):   
        data=context['data']
        period_id=data['period_id']
        period=get_model('clinic.period.line').browse(period_id)
        data['date_from']=period.date_start
        data['date_to']=period.date_stop
        return data

    def get_report_data(self,ids,context={}):
        defaults=self.default_get(context=context)
        print('defaults ', defaults)
        date_from=defaults.get('date_from')
        date_to=defaults.get('date_to')
        branch_id=None
        department_id=None
        inv_state=defaults.get('inv_state')
        view_type=defaults.get('view_type')
        if ids:
            obj=self.browse(ids)[0]
            date_from=obj.date_from
            date_to=obj.date_to
            branch_id=obj.branch_id.id
            department_id=obj.department_id.id
            inv_state=obj.inv_state
            view_type=obj.view_type
        lines=[]
        dom=[
            ['date','>=',date_from],
            ['date','<=',date_to],
            ['state','=',inv_state],
        ]
        if branch_id and not department_id:
            dom.append(['department_id.branch_id','=',branch_id])
        elif department_id:
            dom.append(['department_id','=',department_id])
        if view_type=='invoice':            
            field_names=['date','number','amount_due']
            for inv in get_model('account.invoice').search_read(dom,field_names):
                vals={}
                for field_name in field_names:
                    vals[field_name]=inv[field_name],
                lines.append(vals)
        data={
            'lines': lines,
            'date_from': date_from,
            'date_to': date_to,
            'total_inv': len(lines),
            'view_type': view_type,
        }
        return data


PaymentMatching.register()