from urllib3.util import parse_url
from urllib3.exceptions import LocationParseError

from odoo import fields, models, _
from odoo.exceptions import ValidationError


class BlockedThirdPartyDomains(models.TransientModel):
    _name = "website.custom_blocked_third_party_domains"
    _description = "User list of blocked 3rd-party domains"

    content = fields.Text(default=lambda s: s.env['website'].get_current_website().custom_blocked_third_party_domains)

    def action_save(self):
        # Can't be a set since we want to keep comment order, this will just
        # ignore people adding the same domain multiple times.
        domains = []
        if self.content:
            for line in self.content.split('\n'):
                domain = line.strip().lower()
                if not domain:
                    continue

                if domain[0] == '#':
                    # Allow a line to start with '#' indicating a comment (also
                    # see #ignore_default).
                    domains.append(domain)
                    continue

                try:
                    # Remove protocol, path and query + check that domain is
                    # valid.
                    domain = parse_url(domain).host
                except LocationParseError:
                    raise ValidationError(_("The following domain is not valid:") + '\n' + domain)
                if domain:
                    domains.append(domain)

        self.env['website'].get_current_website().custom_blocked_third_party_domains = '\n'.join(domains)
        return {'type': 'ir.actions.act_window_close'}