############################################################################
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
############################################################################

# Depends on CWD - Sphinx plugin

import json
from pathlib import Path

import parsegrammar


misc_path = Path(__file__).resolve().parent.parent.parent / "misc"
options_path = misc_path / "options"


def read_zone():
    zone_grammars = {}
    for file in misc_path.glob("*.zoneopt"):
        # in-view is not really a zone type
        if file.stem == "in-view":
            zone_type = "in-view"
        else:
            zone_type = f"type {file.stem}"

        with file.open(encoding="ascii") as fp:
            zonegrammar = parsegrammar.parse_mapbody(fp)
            assert len(zonegrammar) == 1
            assert "zone" in zonegrammar
            zone_grammars[zone_type] = zonegrammar["zone"]
            zone_grammars[zone_type]["_pprint_name"] = "zone"

    return {"zone": {"_mapbody": zone_grammars, "_ignore_this_level": True}}


def read_main():
    with options_path.open(encoding="ascii") as fp:
        optgrammar = parsegrammar.parse_mapbody(fp)
    return optgrammar


def combine():
    zones = read_zone()
    assert zones
    rest = read_main()
    assert rest
    rest.update(zones)

    # this is a terrible hack
    # but cfg_test cannot print zone grammars inside view
    rest["view"]["_mapbody"].update(zones)

    return rest


if __name__ == "__main__":
    full_grammar = combine()
    print(json.dumps(full_grammar))
