from odoo import models, fields, api
from odoo.exceptions import UserError, ValidationError, Warning
from psycopg2 import sql, DatabaseError
from dateutil.relativedelta import relativedelta
from datetime import datetime
from werkzeug import utils
import json

class EventRegistration(models.Model):
    _inherit = 'event.registration'

    online=fields.Boolean(string='Online participation')
    onthespot_payment=fields.Boolean(string='On the spot payment')
    free_participation=fields.Boolean(related='event_id.free_participation')
    with_membership=fields.Boolean('with membership')

    def action_generate_participation_invoice(self,id_registration=None,payment_mode=None,membership=False):
        
        if not id_registration:id_registration=int(self.id)
        reg=self.env['event.registration'].search([('id','=',id_registration)])
        event=self.env['event.event'].search([('id','=',int(reg.event_id))])

        if membership:
             membership_product=self.env['product.product'].search([('membership_product','=',True)],limit=1)
             if not membership_product: raise UserError(_('No membership product, please add one'))

        #Prix à appliquer au produit en fonction du statut de l'inscrit
        status=reg.partner_id.member_status
        
        if status=='not member':product_price=event.participation_standard_price
        if status=='member':product_price=event.participation_member_price
        if status=='super member':product_price=event.participation_super_member_price
        product_id=event.participation_product_id

        
        #création de la facture
        vals={}
        
        vals['partner_id']=int(reg.partner_id)
        vals['invoice_date']=datetime.now()

        #mode de paiement CB
        if payment_mode=='CB':
            electronic_method=self.env['account.payment.method'].search([('code','=','electronic')],limit=1)
            if electronic_method:
                    cb_mode=self.env['account.payment.mode'].search([('payment_method_id','=',int(electronic_method.id))],limit=1)
                    if cb_mode:
                        vals['payment_mode_id']=cb_mode.id
                    else:
                        raise Warning('please configure credit card mode')

        vals['move_type']='out_invoice'
        vals['state']='draft'
        
        invoice=self.env['account.move'].create(vals)
        
        #invoice.state='posted'
        invoice.name='REC'+str(invoice.id)
        invoice.payment_reference=invoice.name
        #creation des écritures comptable
        name=event.participation_product_id.name
        if membership and status=='not member':
            product_price=product_price+membership_product.list_price
            name=event.participation_product_id.name+"+"+membership_product.name
        vals={}
        account_credit=self.env['account.account'].search([('code','=','707100')])
        account_debit=self.env['account.account'].search([('code','=','411100')])
        
        vals['move_id']=invoice.id
        vals['product_id']=int(event.participation_product_id)
        vals['quantity']=1
        vals['price_unit']=product_price
        vals['name']=name
        
        vals['account_id']=int(account_credit.id)

        invoice_line=self.env['account.move.line'].with_context(check_move_validity=False).create(vals)
  
        # #debit_line 
        vals_d={}        
        vals_d['move_id']=invoice.id
        vals_d['debit']=product_price
        vals_d['credit']=0
        vals_d['date']=datetime.now()
        vals_d['partner_id']=int(reg.partner_id)
        vals_d['product_id']=int(event.participation_product_id)
        vals_d['name']=name
        vals_d['account_id']=int(account_debit.id)
        vals_d['quantity']=1
        vals_d['price_unit']=product_price
        vals_d['exclude_from_invoice_tab']=True
                    
        invoice_line=self.env['account.move.line'].with_context(check_move_validity=False).create(vals_d)
        l=self.env['account.move.line'].search([('move_id','=',invoice.id),('balance','<',0)])
        l.partner_id=int(reg.partner_id)
        reg.invoice_id=invoice.id

        return invoice.id