# type: ignore
"""
ticket role
~~~~~~~~~~~

An interpreted text role to link docs to tickets issues.

:copyright: Copyright 2013 by Daniele Varrazzo.
:copyright: Copyright 2021 The Psycopg Team
"""

import re

from docutils import nodes, utils
from docutils.parsers.rst import roles


def ticket_role(name, rawtext, text, lineno, inliner, options={}, content=[]):
    cfg = inliner.document.settings.env.app.config
    if cfg.ticket_url is None:
        msg = inliner.reporter.warning(
            "ticket not configured: please configure ticket_url in conf.py"
        )
        prb = inliner.problematic(rawtext, rawtext, msg)
        return [prb], [msg]

    rv = [nodes.Text(name + " ")]
    tokens = re.findall(r"(#?\d+)|([^\d#]+)", text)
    for ticket, noise in tokens:
        if ticket:
            num = int(ticket.replace("#", ""))

            url = cfg.ticket_url % num
            roles.set_classes(options)
            node = nodes.reference(
                ticket, utils.unescape(ticket), refuri=url, **options
            )

            rv.append(node)

        else:
            assert noise
            rv.append(nodes.Text(noise))

    return rv, []


def setup(app):
    app.add_config_value("ticket_url", None, "env")
    app.add_role("ticket", ticket_role)
    app.add_role("tickets", ticket_role)
