# -*- coding: utf-8 -*-
###############################################################################
#
#    Cybrosys Technologies Pvt. Ltd.
#
#    Copyright (C) 2023-TODAY Cybrosys Technologies(<https://www.cybrosys.com>)
#    Author: Cybrosys Techno Solutions (Contact : odoo@cybrosys.com)
#
#    You can modify it under the terms of the GNU AFFERO
#    GENERAL PUBLIC LICENSE (AGPL v3), Version 3.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU AFFERO GENERAL PUBLIC LICENSE (AGPL v3) for more details.
#
#    You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
#    (AGPL v3) along with this program.
#    If not, see <http://www.gnu.org/licenses/>.
#
###############################################################################
import requests
import urllib.parse as parse
from twilio.rest import Client
from odoo import fields, models


class SendWhatsappMessage(models.TransientModel):
    """ This function helps to send a message to a user."""
    _name = 'send.whatsapp.message'
    _description = "Helps to send messages using different way"

    sale_user_id = fields.Many2one('res.partner',
                                   string="Partner Name",
                                   default=lambda self: self.env[
                                       self._context.get('active_model')]
                                   .browse(self.env.context.get('active_ids'))
                                   .partner_id,
                                   help="Select the partner associated with "
                                        "the sale.")
    whatsapp_mobile_number = fields.Char(related='sale_user_id.mobile',
                                         required=True,
                                         help="The mobile number associated"
                                              " with the selected partner.")
    whatsapp_message = fields.Text(string="WhatsApp Message",
                                   help="Enter the message to be sent via "
                                        "WhatsApp.")
    send_mode = fields.Selection([('twilio', 'Twilio'),
                                  ('web', 'WhatsApp Web'),
                                  ('cloud', 'Cloud WhatsApp')],
                                 string="Send Using", default='web',
                                 help="Select the mode to send the WhatsApp"
                                      " message.")
    attachment_ids = fields.Many2many('ir.attachment',
                                      'whatsapp_attachment_rel',
                                      'email_template_id',
                                      'attachment_id',
                                      string='Attachments',
                                      help="Attachments to include in the"
                                           " WhatsApp message.")
    message_type = fields.Selection(string='Message Type',
                                    selection=[('text', 'Text'),
                                               ('document', 'Document')],
                                    default='text')

    def action_send_custom_message(self):
        """This function helps to send a message to a user."""
        base_url = self.get_base_url()
        attachment = self.env['ir.attachment'].browse(
            self.attachment_ids.ids[0])
        attachment.public = True
        file_link = base_url + ('/web/content/?model=ir.attachment&id='
                                '446&download=true')
        number = self.sale_user_id.mobile
        if self.send_mode == 'twilio':
            if " " in number:
                number = number.replace(" ", "")
            account_sid = self.env['ir.config_parameter'].sudo().get_param(
                'all_in_one_whatsapp_integration.account_sid')
            auth_token = self.env['ir.config_parameter'].sudo().get_param(
                'all_in_one_whatsapp_integration.auth_token')
            twilio_whatsapp = self.env['ir.config_parameter'].sudo().get_param(
                'all_in_one_whatsapp_integration.twilio_whatsapp')
            client = Client(account_sid, auth_token)
            message = client.messages.create(
                from_='whatsapp:' + twilio_whatsapp,
                body=self.whatsapp_message,
                to='whatsapp:' + str(number),
            )
            return message
        elif self.send_mode == 'web':
            message_string = parse.quote(self.whatsapp_message)
            message_string = message_string[:(len(message_string) - 3)]
            number = self.sale_user_id.mobile
            link = "https://web.whatsapp.com/send?phone=" + number
            send_msg = {
                'type': 'ir.actions.act_url',
                'url': link + "&text=" + message_string,
                'target': 'new',
                'res_id': self.id,
            }
            return send_msg
        elif self.send_mode == 'cloud':
            var = 'body'
            bearer_token = self.env['ir.config_parameter'].sudo().get_param(
                'all_in_one_whatsapp_integration.bearer_token')
            whatsapp_no = self.env['ir.config_parameter'].sudo().get_param(
                'all_in_one_whatsapp_integration.whatsapp_no')
            payload = {
                "messaging_product": "whatsapp",
                "recipient_type": "individual",
                "to": number,
                "type": self.message_type,
                "preview_url": False,
            }
            if self.message_type == 'text':
                payload["text"] = {
                    "preview_url": False,
                    var: self.whatsapp_message
                }
            elif self.message_type == 'document':
                payload["document"] = {
                    "link": file_link
                }
            headers = {
                'Content-Type': 'application/json',
                'Authorization': f'Bearer {bearer_token}'
            }
            response = requests.post(
                f"https://graph.facebook.com/v17.0/{whatsapp_no}/messages",
                json=payload,
                headers=headers
            )
            return response