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 EventEvent(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')

    @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