import logging

import requests

from odoo import models, fields, _
from odoo.tools import config
from datetime import datetime, timedelta

_logger = logging.getLogger(__name__)


class CRMLeadCronJob(models.Model):
    _inherit = "crm.lead"
    _facebook_base_url = "https://graph.facebook.com"
    _config: dict = config.misc.get('crm_sync_data')

    # -------------------------------------------------------------------------
    # CRON
    # -------------------------------------------------------------------------

    def _auto_get_facebook_lead_entries(self):
        """ This method is called from a cron job.
        """
        _logger.info("RUNNING get lead entries from facebook")
        check_valid_token = self._check_expire_facebook_token()
        if not check_valid_token:
            _logger.info("Lỗi: Get Facebook lead, token không hợp lệ")
            return
        data = self._get_data_facebook_lead()
        if data is None:
            return

        print(data)

        # moves = self.search([
        #     ('state', '=', 'draft'),
        #     ('date', '<=', fields.Date.context_today(self)),
        #     ('auto_post', '!=', 'no'),
        #     ('to_check', '=', False),
        # ], limit=100)
        #
        # try:  # try posting in batch
        #     with self.env.cr.savepoint():
        #         moves._post()
        # except UserError:  # if at least one move cannot be posted, handle moves one by one
        #     for move in moves:
        #         try:
        #             with self.env.cr.savepoint():
        #                 move._post()
        #         except UserError as e:
        #             move.to_check = True
        #             msg = _('The move could not be posted for the following reason: %(error_message)s', error_message=e)
        #             move.message_post(body=msg, message_type='comment')
        #
        # if len(moves) == 100:  # assumes there are more whenever search hits limit
        #     self.env.ref('account.ir_cron_auto_post_draft_entry')._trigger()

    # -------------------------------------------------------------------------
    # HELPER METHODS
    # -------------------------------------------------------------------------

    def _refresh_facebook_token(self):
        url = f"{self._facebook_base_url}/v14.0/oauth/access_token"

        params = {
            'grant_type': 'fb_exchange_token',
            'client_id': self._config.get("facebook_app_id"),
            'client_secret': self._config.get("facebook_app_secret"),
            'fb_exchange_token': self._config.get("facebook_access_token"),
        }

        response = requests.get(url, params=params)

        if response.status_code == 200:
            config.misc['crm_sync_data']['facebook_access_token'] = response.json().get('access_token')
            config.save()
            return True
        _logger.warning("Gọi API refresh facebook token lỗi")
        _logger.warning(response.text)
        return False

    def _check_expire_facebook_token(self):
        url = f"{self._facebook_base_url}/v14.0/debug_token"
        params = {
            'access_token': self._config.get("facebook_access_token"),
            'input_token': self._config.get("facebook_access_token")
        }

        response = requests.get(url, params=params)

        if response.status_code == 200:
            token_expires_at = datetime.fromtimestamp(response.json().get('data').get('expires_at'))
            print("token_expires_at =", token_expires_at)
            if token_expires_at - timedelta(days=7) < datetime.now():
                self._refresh_facebook_token()
            return True

        _logger.warning("Lỗi: facebook access token đã hết hạn")
        _logger.warning(response.text)
        return False

    def _get_data_facebook_lead(self):
        url = f"{self._facebook_base_url}/v14.0/{self._config.get('facebook_page_id')}/leads"
        params = {'access_token': self._config.get("facebook_access_token")}
        response = requests.get(url, params=params)

        if response.status_code == 200:
            return response.json()
        _logger.info("Lỗi: Get Facebook lead, không lấy được data lead")
        return None