# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

import werkzeug
from werkzeug.exceptions import NotFound

from odoo import http, _
from odoo.addons.phone_validation.tools import phone_validation
from odoo.http import request


class MailingSMSController(http.Controller):

    def _check_trace(self, mailing_id, trace_code):
        try:
            mailing = request.env['mailing.mailing'].sudo().search([('id', '=', mailing_id)])
        except:
            mailing = False
        if not mailing:
            return {'error': 'mailing_error'}
        trace = request.env['mailing.trace'].sudo().search([
            ('trace_type', '=', 'sms'),
            ('sms_code', '=', trace_code),
            ('mass_mailing_id', '=', mailing.id)
        ])
        if not trace:
            return {'error': 'trace_error'}
        return {'trace': trace}

    @http.route(['/sms/<int:mailing_id>/<string:trace_code>'], type='http', website=True, auth='public')
    def blacklist_page(self, mailing_id, trace_code, **post):
        """ Main entry point for unsubscribe links. Verify trace code (should
        match mailing and trace), then check number can be sanitized. """
        check_res = self._check_trace(mailing_id, trace_code)
        found_traces = check_res.get('trace')
        if not found_traces:
            return request.redirect('/odoo')

        valid_trace = request.env['mailing.trace'].sudo()
        sanitized_number = False
        sms_number = post.get('sms_number', '').strip()
        if sms_number:
            country = request.env['res.country'].sudo()
            if country_code := request.geoip.country_code:
                country = request.env['res.country'].search([('code', '=', country_code)], limit=1)
            if not country:
                country = request.env.company.country_id
            try:
                # Sanitize the phone number
                sanitized_number = phone_validation.phone_format(
                    sms_number,
                    country.code,
                    country.phone_code,
                    force_format='E164',
                    raise_exception=True,
                )
            except Exception:  # noqa: BLE001
                sanitized_number = False

            if sanitized_number:
                valid_trace = found_traces.filtered(lambda t: t.sms_number == sanitized_number)

        # trace found -> number valid, code matching
        if valid_trace:
            return request.redirect(
                f'/sms/{mailing_id}/unsubscribe/{trace_code}?{werkzeug.urls.url_encode({"sms_number": sanitized_number})}'
            )

        # otherwise: generate error message, loop on same page
        unsubscribe_error = False
        if sms_number and not sanitized_number:
            unsubscribe_error = _('Oops! The phone number seems to be incorrect. Please make sure to include the country code.')
        if sanitized_number and not valid_trace:
            unsubscribe_error = _('Oops! Number not found')
        return request.render('mass_mailing_sms.blacklist_main', {
            'mailing_id': mailing_id,
            'sms_number': sms_number,
            'trace_code': trace_code,
            'unsubscribe_error': unsubscribe_error,
        })


    @http.route(['/sms/<int:mailing_id>/unsubscribe/<string:trace_code>'], type='http', website=True, auth='public')
    def blacklist_number(self, mailing_id, trace_code, **post):
        """ Effectively opt-out or enter number in block list. """
        check_res = self._check_trace(mailing_id, trace_code)
        if not check_res.get('trace'):
            return request.redirect('/odoo')
        # parse and validate number
        sms_number = post.get('sms_number', '').strip(' ')
        tocheck_number = sms_number

        trace = check_res['trace'].filtered(lambda r: r.sms_number == tocheck_number)[:1] if tocheck_number else False
        # compute opt-out / blacklist information
        lists_optout = request.env['mailing.list'].sudo()
        lists_optin = request.env['mailing.list'].sudo()
        if tocheck_number and trace:
            mailing_list_ids = trace.mass_mailing_id.contact_list_ids
            if mailing_list_ids:
                subscriptions = request.env['mailing.subscription'].sudo().search([
                    ('list_id', 'in', mailing_list_ids.ids),
                    ('contact_id.phone_sanitized', '=', tocheck_number),
                ])
                subscriptions.write({'opt_out': True})
                lists_optout = subscriptions.mapped('list_id')
            else:
                blacklist_rec = request.env['phone.blacklist'].sudo().add(tocheck_number)
                blacklist_rec._message_log(
                    body=_('Blacklist through SMS Marketing unsubscribe (mailing ID: %(mailing_id)s - model: %(model)s)',
                           mailing_id=trace.mass_mailing_id.id, model=trace.mass_mailing_id.mailing_model_id.display_name))
            lists_optin = request.env['mailing.subscription'].sudo().search([
                ('contact_id.phone_sanitized', '=', tocheck_number),
                ('list_id', 'not in', mailing_list_ids.ids),
                ('opt_out', '=', False),
            ]).mapped('list_id')

        return request.render('mass_mailing_sms.blacklist_number', {
            'mailing_id': mailing_id,
            'trace_code': trace_code,
            'sms_number': sms_number,
            'lists_optin': lists_optin,
            'lists_optout': lists_optout,
        })

    @http.route('/r/<string:code>/s/<int:sms_id_int>', type='http', auth="public")
    def sms_short_link_redirect(self, code, sms_id_int, **post):
        if sms_id_int:
            trace_id = request.env['mailing.trace'].sudo().search([('sms_id_int', '=', int(sms_id_int))]).id
        else:
            trace_id = False

        if not request.env['ir.http'].is_a_bot():
            request.env['link.tracker.click'].sudo().add_click(
                code,
                ip=request.httprequest.remote_addr,
                country_code=request.geoip.country_code,
                mailing_trace_id=trace_id
            )
        redirect_url = request.env['link.tracker'].get_url_from_code(code)
        if not redirect_url:
            raise NotFound()
        return request.redirect(redirect_url, code=301, local=False)