import time
from datetime import datetime, timedelta
from calendar import monthrange

from netforce.model import Model, fields, get_model
from netforce.utils import get_file_path
from . import utils

class ImportPayment(Model):
    _name="import.clinic.payment"
    _string="Clinic Payment"
    
    def _get_name(self,ids,context={}):
        res={}
        for obj in self.browse(ids):
            res[obj.id]=obj.type_id.name
        return res

    _fields={
        'name': fields.Char("Name",function="_get_name"),
        'type_id': fields.Many2One("clinic.patient.type","Patient Type",required=True),
        'hcode_id': fields.Many2One("clinic.hospital", "Hospital",required=True),
        'date': fields.Date("Date"),
        'date_from': fields.Date("From"),
        'date_to': fields.Date("To"),
        'file': fields.File("File"),
        'max_row': fields.Integer("Max Row"),
        'remain_row': fields.Integer("Pending"),
        'total_row': fields.Integer("Total Record"),
        'est_time': fields.Float("Estimate Time",scale=4),
        'msg': fields.Text("Message"),
        'done_qty': fields.Integer("Success"),
        'fail_qty': fields.Integer("Fail"),
        'match_qty': fields.Integer("Match"),
        'unmatch_qty': fields.Integer("UnMatch"),
        'state': fields.Selection([['draft','Draft'],['confirmed','Confirmed'],['fail','Fail'],['success','Success']],'State'),
        'match_lines': fields.One2Many("import.clinic.payment.line","import_payment_id","Match",domain=[["state","=","match"]]),
        'unmatch_lines': fields.One2Many("import.clinic.payment.line","import_payment_id","UnMatch",domain=[["state","=","unmatch"]]),
        'payment_id': fields.Many2One("account.payment","Payment"),
    }
    
    def get_hcode_id(self,context={}):
        hp_ids=get_model("clinic.hospital").search([])
        hp_id=None
        if hp_ids:
            hp_id=hp_ids[0]
        return hp_id
    
    def _get_date_from(self,context={}):
        datenow=time.strftime("%Y-%m-%d")
        year,month,day=datenow.split("-")
        return '%s-%s-01'%(year,month)

    def _get_date_to(self,context={}):
        datenow=datetime.now().strftime("%Y-%m-%d")
        year,month,day=datenow.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,
        'hcode_id': get_hcode_id,
        'max_row': 50,
        'state': 'draft',
    }

    def import_payment(self,ids,context={}):
        fmt='%Y-%m-%d %H:%M:%S'
        start_time=time.strftime(fmt)
        obj=self.browse(ids)[0]
        fname=obj.file
        fpath=get_file_path(fname)
        patient_type=obj.type_id
        if patient_type.code in ('PKS'):
            lines=utils.read_excel(fpath,show_datetime=False)
        else:
            lines=utils.read_xml(fpath,show_datetime=False)
        if not lines:
            raise Exception("Wrong File")
        msg=""
        count=0
        nofound=0
        did=0
        blank=0
        fail_qty=0
        done_qty=0
        match_qty=0
        unmatch_qty=0

        msg+=""*10; msg+="hcode,hn,name\n"
        
        print("getting invoice")
        dom=[]
        dom.append(['state','=','waiting_payment'])
        invoices={}
        for inv in get_model("account.invoice").search_browse(dom):
            hd_case=inv.related_id
            patient=hd_case.patient_id
            key=(inv.date,patient.id)
            invoices[key]={
                'id': inv.id,
                'amount_due': inv.amount_due,
                'hd_case_id': hd_case.id,
            } 
        
        print("getting patient")
        patients={}
        for pt in get_model("clinic.patient").search_read([[]],['hn','hn_num']):
            key=pt['hn_num']
            patients[key]={
                'id': pt['id'],
            }
        
        print("getting hd case")
        # need to optimize -> from, to
        hd_cases={}
        for hd_case in get_model("clinic.hd.case").search_read([[]],['patient_id','date']):
            patient_id=hd_case['patient_id'][0]
            date=hd_case['date']
            key=(date,patient_id)
            hd_cases[key]={
                'id': hd_case['id'],
            }

        def get_hn_num(hn=""):
            return ''.join(h for h in hn if h.isdigit())

        mlines=[] 
        umlines=[] 
        for line in lines:
            name=line.get("name14")
            hn=line.get('hn',"")
            hn_num=get_hn_num(hn)
            hct=line.get("hct","")
            inv_date=line.get("dttran")
            amount=line.get('amount23')
            hcode=line.get('hcode18','0')
            if not hcode:
                hcode='0'
            hcode=int(hcode)
            hcode=str(hcode)
            if not obj.hcode_id.code==hcode:
                if hcode:
                    nofound+=1
                    if hcode!='0':
                        msg+="not found %s, %s, %s \n"%(hcode,hn,name)
                        fail_qty+=1
                else:
                    blank+=1
                continue

            if patients.get(hn_num):
                patient_id=patients[hn_num]['id']
                key=(inv_date,patient_id) 
                if invoices.get(key):
                    inv=invoices[key]
                    mlines.append(('create',{
                        'date': inv_date,
                        'invoice_id': inv['id'],
                        'hd_case_id': inv['hd_case_id'],
                        'patient_id': patient_id,
                        'amount': inv['amount_due'] or 0.0,
                        'state': 'match',
                    }))
                    match_qty+=1
                else:
                    hd_case=hd_cases.get(key)
                    vals={
                        'date': inv_date,
                        'patient_id': patient_id,
                        'amount': amount,
                    }
                    if hd_case:
                        vals['hd_case_id']=hd_case['id']
                    umlines.append(('create',vals))
                    unmatch_qty+=1

        for mline in obj.match_lines:
            mline.delete()
        for umline in obj.unmatch_lines:
            umline.delete()

        stop_time=time.strftime(fmt)
        est_time=datetime.strptime(stop_time,fmt)-datetime.strptime(start_time,fmt)

        remain_row=len(lines)-blank-did-count
        if remain_row <= 0:
            msg="Nothing to import"
        obj.write({
            'total_row': len(lines),
            'remain_row': remain_row-match_qty,
            'msg': msg,
            'done_qty': match_qty+unmatch_qty,
            'fail_qty': fail_qty,
            'match_qty': match_qty,
            'unmatch_qty': unmatch_qty,
            'est_time': est_time.seconds/3600,
            'match_lines': mlines,
            'unmatch_lines': umlines,
        })
        print("Done!")


ImportPayment.register()