from odoo import models, fields, api
from odoo.exceptions import UserError, ValidationError,Warning
from psycopg2 import sql, DatabaseError

from werkzeug import utils


import os.path
from google.oauth2 import service_account
from googleapiclient.discovery import build
from datetime import datetime, timedelta
import json

# IF YOU MODIFY THE SCOPE DELETE THE TOKEN.TXT FILE
SCOPES = ['https://www.googleapis.com/auth/calendar']
SERVICE_ACCOUNT_FILE = '/usr/lib/python3/dist-packages/odoo/kalachakra_module/kalachakra/models/creds.json' # You should make it an environment variable
SUBJECT = 'kalachakra-srv@kalachakra-351613.iam.gserviceaccount.com'


class EventTagCategory(models.Model):
    _inherit = "event.tag.category"
    _description = 'Event tag category'

    calendar_id=fields.Char('google calendar id')

class KalachakraEvent(models.Model):
    _inherit = "event.event"
    _description = 'Event'

    calendar_id=fields.Char('calendar id')
    calendar_event_id=fields.Char('event id')
    free_participation=fields.Boolean('Free participation')
    participation_product_id=fields.Many2one('product.product',string='participation product')
    participation_standard_price=fields.Monetary('Standard Price',currency_field='currency_id')
    participation_member_price=fields.Monetary('Member price',currency_field='currency_id')
    participation_super_member_price=fields.Monetary('Super member price',currency_field='currency_id')
    subscription_product_id=fields.Many2one('product.product',string='subscription product')
    subscription_standard_price=fields.Monetary('Standard Price',currency_field='currency_id')
    subscription_member_price=fields.Monetary('Member price',currency_field='currency_id')
    subscription_super_member_price=fields.Monetary('Super member price',currency_field='currency_id')

    recurring_event=fields.Boolean('Recurring event')
    recurring_event_newsletter_id=fields.Many2one('mailing.list',string='Recurring event Newsletter')
    online_event=fields.Boolean('Online event')
    online_link=fields.Char('link')
    online_id=fields.Char('id')
    online_password=fields.Char('password')
    
    booking_event = fields.Boolean(string="Booking event", tracking=True)
    question_ids=fields.One2many(
        'event.question',
        'event_id',
        string='Questions'
        
    )
    booking_option_ids=fields.One2many('booking.option','event_id','booking options')
    booking_price=fields.Monetary('Price',currency_field='currency_id')
    booking_member_price=fields.Monetary('Member price',currency_field='currency_id')
    booking_super_member_price=fields.Monetary('Super member price',currency_field='currency_id')
    booking_down_payment=fields.Monetary('Down payment',currency_field='currency_id')
    booking_product_id=fields.Many2one('product.product',string='booking product',domain="[('booking_product','=','True')]")

    @api.onchange('event_type_id')
    def onchange_state(self):
        self.booking_event=self.event_type_id.booking_event
        
        booking_option=self.env['booking.option'].search([('event_type_id','=',int(self.event_type_id))])
        if booking_option:
            #on supprime les options existantes:
            self.booking_option_ids=False

            #on rappatrie les options du modèle
            for option in booking_option:
                vals={}
                vals['event_id']=self.id
                vals['booking_option_id']=option.booking_option_id
                vals['booking_option_price']=option.booking_option_price
                vals['currency_id']=option.currency_id
                self.booking_option_ids = [(0, 0, vals)]
        
        
        if self.event_type_id.booking_questionnaire_id:
            
            #on supprime les question existantes:
            self.question_ids=False
            questions=self.env['booking.question'].search([('questionnaire_id','=',int(self.event_type_id.booking_questionnaire_id))])
            #on rappatrie les question
            for question in questions:
                vals={}
                vals['event_id']=self.id
                vals['sequence']=question.sequence
                vals['question']=question.question
                
                self.question_ids = [(0, 0, vals)]


    @api.model
    def _default_currency(self):
        company = self.env['res.company']._company_default_get(
            'event.event')
        return company.currency_id

    currency_id = fields.Many2one(
        'res.currency',
        string='Currency',
        required=True,
        track_visibility='onchange',
        ondelete='restrict',
        default=_default_currency
    )


    def add_event_to_google_agenda(self):

    
       credentials = service_account.Credentials.from_service_account_file(SERVICE_ACCOUNT_FILE, scopes=SCOPES)
       delegated_credentials = credentials.with_subject(SUBJECT)
       service = build('calendar', 'v3', credentials=delegated_credentials)
                
       d = datetime.utcnow().date()
       tomorrow = datetime(d.year, d.month, d.day, 10)+timedelta(days=1)
       start = tomorrow.isoformat()
       end = (tomorrow + timedelta(hours=1)).isoformat()
       
       start=self.date_begin.isoformat()
       end=self.date_end.isoformat()
       diff_date=self.date_end-self.date_begin
       if diff_date.days>0:
        date_param=self.date_begin.strftime('%Y-%m-%d')+'-'+self.date_end.strftime('%Y-%m-%d')+'-'+str(self.id)
       else:
        date_param=self.date_begin.strftime('%Y-%m-%d')+'-'+str(self.id)

       name_param=self.name.replace(' ','-')
       name_param=name_param.replace('\'','-')
       description='<a href="'+self.env['ir.config_parameter'].get_param('web.base.url')+'/event/'+name_param+'-'+date_param+'/register">Click here to register</a>'
       #str(self.date_begin.year())+'-'+str(self.date_begin.month())+'-'+self.date_begin.day()
       
       body={"summary": self.name, 
            "description": description,
            "start": {"dateTime": start, "timeZone": 'Europe/Paris'}, 
            "end": {"dateTime": end, "timeZone": 'Europe/Paris'},
            }

        #recherche de l'id calendar lié à l'étiquette de l'événément
       calendar_id=self.tag_ids.category_id.calendar_id
       if calendar_id:
            event = service.events().insert(calendarId=calendar_id, body=body).execute()

            self.calendar_event_id=event['id']
            self.calendar_id=calendar_id
       else:
            raise Warning('no calendar id, please check configuration tags') 

    def remove_event_to_google_agenda(self):
       credentials = service_account.Credentials.from_service_account_file(SERVICE_ACCOUNT_FILE, scopes=SCOPES)
       delegated_credentials = credentials.with_subject(SUBJECT)
       service = build('calendar', 'v3', credentials=delegated_credentials)
       
       
       event = service.events().get(calendarId=self.calendar_id, eventId=self.calendar_event_id).execute()
       #raise Warning(json.dumps(event, indent = 4) )
       if event['status'] != "cancelled" :
           service.events().delete(calendarId=self.calendar_id, eventId=self.calendar_event_id).execute()

       self.calendar_event_id=False
       self.calendar_id=False