from odoo import api, fields, models, _
import requests
import json
from odoo.tools import html2plaintext
import logging

_logger = logging.getLogger(__name__)
class TelegramAPI(models.Model):
    _name = "base_telegram.api"
    _description = "Telegram API"

    code = fields.Char(string='Code Name', index=True)
    name = fields.Char(string='Name')
    chat_id = fields.Char(string='Chat ID')
    token = fields.Char(string='Bot Token')
    messages_html = fields.Html(string='Messages for Bot', compute='_compute_messages_html', store=False, readonly=True)

    @api.onchange('token')
    def _compute_messages_html(self):
        for rec in self:
            result = rec.get_updates() if rec.token else []
            rec.messages_html = self.render_template('base_telegram.get_updates', {'result': result} if result else {})

    def get_url(self, command):
        return "https://api.telegram.org/bot{token}/{command}".format(token = self.token, command = command)

    def send_message(self, message):
        cnt = 0
        for chat in self:
            #url = "https://api.telegram.org/bot{token}/sendMessage".format(token = chat.token)
            url = chat.get_url('sendMessage')
            info = {
                'chat_id': chat.chat_id,
                'text': message,
                'parse_mode': 'HTML'
            }
            try:
                response = requests.post(url, data=info)
                #response.raise_for_status()
                cnt += 1
            except requests.exceptions.RequestException as e:
               _logger.info(f"Error: {e}")
        return cnt

    def send_template(self, template, obj, data = dict()):
        return self.send_message(str(
            self.with_context(
                    lang=self.env.user.lang if self.env.user.lang else 'ru_RU',
                    tz=self.env.user.tz if self.env.user.tz else 'Europe/Moscow'
                ).render_template(template, obj, data)
        ))

    def get_updates(self):
        url = self.get_url('getUpdates')
        try:
            response = requests.post(url, data='')
        except requests.exceptions.RequestException as e:
           _logger.info(f"Error: {e}")
        return json.loads(response.content).get('result',[]) if response and response.content else []

    def render_template(self, template, obj = False, data = dict()):
        if not data:
            data = dict()
        data['object'] = obj
        data['html2plaintext'] = html2plaintext
        return self.env['ir.qweb']._render(template, data, lang='ru_RU')

    def button_get_messages(self):
        self.get_updates()
        self._compute_messages_html()
        return True

    def button_send_test(self):
        self.send_message(_('Test from Odoo'))
        return True