#!/bin/bash

# Copyright (C) 2026 Red Hat, Inc.
# Written by:
#     Andrew John Hughes <gnu.andrew@redhat.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# Waive a gating issue

RHEL_VER=${1}
NVR=${2}
TESTCASE=${3}
COMMENT=${4}

CURL=$(command -v curl)
JSON_TOOL=$(command -v json_verify)
JSON_FORMAT=$(command -v jq)
JSON_FILE=$(mktemp --tmpdir waive.XXXXXX.json)
HEADER_FILE=$(mktemp --tmpdir waive.XXXXXX.headers)
JSON_OUT=$(mktemp --tmpdir out.XXXXXX.json)

CACERT=/etc/ssl/certs/2022-IT-Root-CA.pem
CACERT_DIR=$(dirname ${CACERT})
URL="https://waiverdb.engineering.redhat.com/api/v1.0/waivers/"

if test -z "${JSON_TOOL}" -o ! -x "${JSON_TOOL}" ; then
    echo "JSON verifier not found. Skipping verification.";
    SKIP_JSON=1;
else
    SKIP_JSON=0;
fi

if test "x${RHEL_VER}" = "x"; then
    echo "No RHEL version specified.";
    echo "${0} <RHEL_VER> <NVR> <TESTCASE> <COMMENT>";
    exit 1;
fi

if test "x${NVR}" = "x"; then
    echo "No NVR specified.";
    echo "${0} <RHEL_VER> <NVR> <TESTCASE> <COMMENT>";
    exit 2;
fi

if test "x${TESTCASE}" = "x"; then
    echo "No testcase specified.";
    echo "${0} <RHEL_VER> <NVR> <TESTCASE> <COMMENT>";
    exit 3;
fi

if test "x${COMMENT}" = "x"; then
    COMMENT="Gating broken";
    echo "Setting COMMENT to default of '${COMMENT}'"
fi

if test "${CURL}" = ""; then
    echo "curl not found";
    exit 4;
fi

if test "${JSON_FORMAT}" = ""; then
    echo "jq not found";
    exit 5;
fi

{
    echo "{";
    printf "\t\"subject_type\":\"brew-build\",\n";
    printf "\t\"subject_identifier\":\"%s\",\n" "${NVR}";
    printf "\t\"testcase\":\"%s\",\n" "${TESTCASE}";
    printf "\t\"waived\":true,\n";
    printf "\t\"product_version\":\"rhel-%d\",\n" "${RHEL_VER}"
    printf "\t\"comment\":\"%s\"\n" "${COMMENT}";
    echo "}"
} > "${JSON_FILE}"

if [ "${SKIP_JSON}" -eq 0 ] ; then
   "${JSON_TOOL}" < "${JSON_FILE}" || exit 6;
fi

CMD=("${CURL}" --silent --show-error --capath "${CACERT_DIR}" --negotiate -u :)

JSON_COMMAND="--json";
# Check --json is available
${CURL} ${JSON_COMMAND} 2> /dev/null
if [ $? -eq 2 ] ; then
    echo "--json unsupported; falling back on --data-binary";
    {
        echo "Content-Type: application/json";
        echo "Accept: application/json";
    } > "${HEADER_FILE}"
    echo "Header file:";
    cat "${HEADER_FILE}"
    CMD=("${CMD[@]}" --header "@${HEADER_FILE}" --data-binary);
else
    CMD=("${CMD[@]}" "${JSON_COMMAND}");
fi
CMD=("${CMD[@]}" "@${JSON_FILE}" "${URL}")

echo "Sending the following JSON...";
cat "${JSON_FILE}"

echo "${CMD[@]}"

if command "${CMD[@]}" > "${JSON_OUT}" ; then
    "${JSON_FORMAT}" < "${JSON_OUT}"
else
    echo "Failed to file waiver";
    exit 7;
fi

rm -v "${JSON_FILE}"
rm -v "${HEADER_FILE}"

# Local Variables:
# compile-command: "shellcheck waive_issue.sh"
# fill-column: 80
# indent-tabs-mode: nil
# sh-basic-offset: 4
# End: