# SPDX-License-Identifier: Apache-2.0
#
# Modifications by Apache Solr contributors; see git log for details.
# Licensed under the Apache License, Version 2.0.
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#	http://www.apache.org/licenses/LICENSE-2.0
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import logging

from solrorbit import exceptions
from solrorbit.utils import jvm


def java_home(cluster_config_runtime_jdks, specified_runtime_jdk=None):
    def determine_runtime_jdks():
        if specified_runtime_jdk:
            return [specified_runtime_jdk]
        else:
            return allowed_runtime_jdks

    def detect_jdk(jdks):
        major, java_home = jvm.resolve_path(jdks)
        logger.info("Detected JDK with major version [%s] in [%s].", major, java_home)
        return major, java_home

    logger = logging.getLogger(__name__)

    try:
        allowed_runtime_jdks = [int(v) for v in cluster_config_runtime_jdks.split(",")]

    except ValueError:
        raise exceptions.SystemSetupError(
            "ClusterConfigInstance config key \"runtime.jdk\" is invalid: \"{}\" (must be int)".format(
                cluster_config_runtime_jdks))

    runtime_jdk_versions = determine_runtime_jdks()

    logger.info("Allowed JDK versions are %s.", runtime_jdk_versions)
    return detect_jdk(runtime_jdk_versions)