import time
from datetime import datetime
from calendar import monthrange

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

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

    def _get_partner(self,ids,context={}):
        res={}
        for obj in self.browse(ids):
            ptype=obj.type_id
            contact_id=None
            if ptype:
                contact=ptype.contact_id
                if contact:
                    contact_id=contact.id
            res[obj.id]=contact_id
        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"),
        'est_time': fields.Float("Estimate Time",scale=4),
        'msg': fields.Text("Message"),
        'done_qty': fields.Integer("Success"),
        'fail_qty': fields.Integer("Other"),
        'match_qty': fields.Integer("Match"),
        'unmatch_qty': fields.Integer("UnMatch"),
        'state': fields.Selection([['draft','Draft'],['confirmed','Confirmed'],['fail','Fail'],['success','Success']],'State'),
        'payment_id': fields.Many2One("account.payment","Payment"),
        'company_id': fields.Many2One("company","Company"),
        'partner_id': fields.Many2One("partner","Fee Contact",function="_get_partner"),
    }
    
    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)
    
    def _get_patient_type(self,context={}):
        st=get_model('clinic.setting').browse(1)
        ptype=st.patient_type_id
        ptype_id=None
        if ptype:
            ptype_id=ptype.id 
        return ptype_id

    _defaults={
        'date': lambda *a: time.strftime("%Y-%m-%d"),
        'date_from': _get_date_from,
        'date_to': _get_date_to,
        'hcode_id': get_hcode_id,
        'company_id': lambda *a: get_active_company(),
        'type_id': _get_patient_type,
        'max_row': 50,
        'state': 'draft',
        'is_uc': 0,
        'node': 'HDBills',
        'match_qty': 0,
        'unmatch_qty': 0,
    }
    
    def get_patient_invoice(self,state="waiting_payment"):
        print("getting patient invoice")
        dom=[]
        dom.append(['state','=',state])
        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,
            } 
        return invoices
    
    def get_patient_expense(self):
        # XXX date_from, date_to
        print("getting expense")
        expenses={}
        for exp in get_model("clinic.hd.case.expense").search_browse([]):
            patient=exp.patient_id
            hd_case=exp.hd_case_id
            key=(exp.date,patient.id)
            expenses[key]={
                'id': exp.id,
                'amount': exp.amount,
                'patient_id': patient.id,
                'hd_case_id': hd_case.id,
            } 
            invoice=exp.invoice_id
            if invoice:
                expenses[key]['invoice_id']=invoice.id
            payment=exp.payment_id
            if payment:
                expenses[key]['payment_id']=payment.id

        return expenses

    def get_all_patient(self):
        print("getting patient")
        patients={}
        for pt in get_model("clinic.patient").search_read([[]],['name','hn','hn_no']):
            key=pt['hn_no']
            patients[key]={
                'id': pt['id'],
                'name': pt['name'],
            }
        return patients
        
    
    def get_hd_case(self):
        print("getting hd case")
        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'],
            }
        return hd_cases

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

    def import_payment_pks(self,ids,context={}):
        '''
            step to import
            1. select period : date from/to
            2. select hospital code
            2. select patient type
            3. select file
                - pks=> excel
                - uc => xml

        '''
        obj=self.browse(ids)[0]
        fname=obj.file
        fpath=get_file_path(fname)
        lines=utils.read_excel(fpath,show_datetime=False)
        if not lines:
            raise Exception("No data to import")
        msg=""
        dom=[]
        dom.append(['date','>=',obj.date_from])
        dom.append(['date','<=',obj.date_to])
        expenses=get_model("clinic.hd.expense").search_browse(dom)
        for line in lines:
            pass
        obj.write({
            'total_row': len(lines),
            'msg': msg,
        })

        return {
            'next': {
                'name': 'import_clinic_payment',
                'mode': 'form',
                'active_id': obj.id,
            },
            'flash': 'Import successfully'
        }
    
    def get_invoice_epobills(self,lines):
        for line in lines:
            hn=line.get('hn',"")
            hn_no=self.get_hn_no(hn)
            print(hn_no)
        return lines

    def get_invoice_hdbills(self,lines):
        for line in lines:
            date,time=line.get("dttran").split("T")
            invno=line.get("invno")
            hdrate=float(line.get("hdrate","0"))
            hn=line.get('hn',"")
            hn_no=self.get_hn_no(hn)
            print(hn_no)
        return lines

    def import_payment_uc(self,ids,context={}):
        obj=self.browse(ids)[0]
        fname=obj.file
        if "_" not in fname and len(fname.split("_")) <3:
            raise Exception("File name should be HCODE_[EURSTM or UOCDSTM]_YYYYMMDD")
        fpath=get_file_path(fname)
        hcode,itype,date=fname.split("_")
        node=''
        if itype=='EURSTM':
            node='EPOBills'
        elif itype=='UOCDSTM':
            node='HDBills'
        else:
            node='HDBills'

        lines=utils.read_xml(fpath,node=node)
        if itype=='EURSTM':
            lines=self.get_invoice_epobills(lines)
        elif itype=='UOCDSTM':
            lines=self.get_invoice_hdbills(lines)
        else:
            lines=[]
        if not lines:
            raise Exception("No Data to import")
        return {
            'next': {
                'name': 'import_clinic_payment',
                'mode': 'form',
                'active_id': obj.id,
            },
            'flash': 'Import succeffully',
        }

    def import_payment(self,ids,context={}):
        obj=self.browse(ids)[0]
        fname=obj.file
        if not fname:
            raise Exception("File not found")
        patient_type=obj.type_id
        res={}
        if patient_type.code in ('S'):
            res=self.import_payment_pks(ids,context)
        elif patient_type.code in ('U'):
            res=self.import_payment_uc(ids,context)
        else:
            raise Exception("No script to import payment for type %s"%patient_type.name)
        return res

    def approve(self,ids,context={}):
        obj=self.browse(ids)[0]
        partner=obj.partner_id
        if not partner:
            raise Exception("No contact on this patient")
        company_id=get_active_company()
        account_receivable_id=partner.account_receivable_id
        if not account_receivable_id:
            st=get_model('settings').browse(1)
            account_receivable_id=st.account_receivable_id
            if not account_receivable_id:
                raise Exception("Not found account recieveable in account setting")
            account_id=account_receivable_id.id
        datenow=time.strftime("%Y-%m-%d")
        vals={
            "partner_id": partner.id,
            "company_id": company_id,
            "type": "in",
            "pay_type": "invoice",
            'date': datenow,
           "account_id": account_id,
           'related_id': "import.clinic.payment,%s"%obj.id,
           'invoice_lines': [],
        }
        
        for mline in obj.match_lines:
            inv=mline.invoice_id
            if inv:
                amt=inv.amount_due or 0.0
                vals['invoice_lines'].append(('create',{
                    'type': 'invoice',
                    'account_id': account_id,
                    'invoice_id': inv.id,
                    'amount': amt,
                }))

        for umline in obj.unmatch_lines:
            inv=mline.invoice_id
            if inv:
                amt=inv.amount_due or 0.0
                vals['invoice_lines'].append(('create',{
                    'type': 'invoice',
                    'account_id': account_id,
                    'invoice_id': inv.id,
                    'amount': amt,
                }))

        payment=obj.payment_id
        if payment:
            for inv_line in payment.invoice_lines:    
                inv_line.delete()
            payment.write(vals)
        else:
            payment_id=get_model("account.payment").create(vals,context={"type":"in"})
            vals['payment_id']=payment_id
            obj.write({
                'payment_id': payment_id,
                'state': 'approved',
            })

        #payment=get_model('account.payment').browse(payment_id)
        #payment.post()
        return {
            'next': {
                'name': 'import_clinic_payment',
                'mode': 'form',
                'active_id': obj.id,
            },
            'flash': '%s has been paid'%obj.type_id.name,
        }
    
    def to_draft(self,ids,context={}):
        obj=self.browse(ids)[0]
        obj.write({
            'state': 'draft',
        })
    
    def onchange_type(self,context={}):
        data=context['data']
        is_uc=0
        type_id=data['type_id']
        ptype=get_model('clinic.patient.type').browse(type_id)
        if ptype.code=='U':
            is_uc=1
        data['is_uc']=is_uc
        return data

ImportPayment.register()