# -*- coding: utf-8 -*-
# Copyright (c) 2022, Alexei Znamensky <russoz@gmail.com>
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later

from __future__ import absolute_import, division, print_function
__metaclass__ = type


import os

from ansible_collections.community.general.plugins.module_utils.cmd_runner import CmdRunner, cmd_runner_fmt


_PUPPET_PATH_PREFIX = ["/opt/puppetlabs/bin"]


def get_facter_dir():
    if os.getuid() == 0:
        return '/etc/facter/facts.d'
    else:
        return os.path.expanduser('~/.facter/facts.d')


def _puppet_cmd(module):
    return module.get_bin_path("puppet", False, _PUPPET_PATH_PREFIX)


# If the `timeout` CLI command feature is removed,
# Then we could add this as a fixed param to `puppet_runner`
def ensure_agent_enabled(module):
    runner = CmdRunner(
        module,
        command="puppet",
        path_prefix=_PUPPET_PATH_PREFIX,
        arg_formats=dict(
            _agent_disabled=cmd_runner_fmt.as_fixed(['config', 'print', 'agent_disabled_lockfile']),
        ),
        check_rc=False,
    )

    rc, stdout, stderr = runner("_agent_disabled").run()
    if os.path.exists(stdout.strip()):
        module.fail_json(
            msg="Puppet agent is administratively disabled.",
            disabled=True)
    elif rc != 0:
        module.fail_json(
            msg="Puppet agent state could not be determined.")


def puppet_runner(module):

    # Keeping backward compatibility, allow for running with the `timeout` CLI command.
    # If this can be replaced with ansible `timeout` parameter in playbook,
    # then this function could be removed.
    def _prepare_base_cmd():
        _tout_cmd = module.get_bin_path("timeout", False)
        if _tout_cmd:
            cmd = ["timeout", "-s", "9", module.params["timeout"], _puppet_cmd(module)]
        else:
            cmd = ["puppet"]
        return cmd

    def noop_func(v):
        _noop = cmd_runner_fmt.as_map({
            True: "--noop",
            False: "--no-noop",
        })
        return _noop(module.check_mode or v)

    _logdest_map = {
        "syslog": ["--logdest", "syslog"],
        "all": ["--logdest", "syslog", "--logdest", "console"],
    }

    @cmd_runner_fmt.unpack_args
    def execute_func(execute, manifest):
        if execute:
            return ["--execute", execute]
        else:
            return [manifest]

    runner = CmdRunner(
        module,
        command=_prepare_base_cmd(),
        path_prefix=_PUPPET_PATH_PREFIX,
        arg_formats=dict(
            _agent_fixed=cmd_runner_fmt.as_fixed([
                "agent", "--onetime", "--no-daemonize", "--no-usecacheonfailure",
                "--no-splay", "--detailed-exitcodes", "--verbose", "--color", "0",
            ]),
            _apply_fixed=cmd_runner_fmt.as_fixed(["apply", "--detailed-exitcodes"]),
            puppetmaster=cmd_runner_fmt.as_opt_val("--server"),
            show_diff=cmd_runner_fmt.as_bool("--show-diff"),
            confdir=cmd_runner_fmt.as_opt_val("--confdir"),
            environment=cmd_runner_fmt.as_opt_val("--environment"),
            tags=cmd_runner_fmt.as_func(lambda v: ["--tags", ",".join(v)]),
            certname=cmd_runner_fmt.as_opt_eq_val("--certname"),
            noop=cmd_runner_fmt.as_func(noop_func),
            use_srv_records=cmd_runner_fmt.as_map({
                True: "--usr_srv_records",
                False: "--no-usr_srv_records",
            }),
            logdest=cmd_runner_fmt.as_map(_logdest_map, default=[]),
            modulepath=cmd_runner_fmt.as_opt_eq_val("--modulepath"),
            _execute=cmd_runner_fmt.as_func(execute_func),
            summarize=cmd_runner_fmt.as_bool("--summarize"),
            debug=cmd_runner_fmt.as_bool("--debug"),
            verbose=cmd_runner_fmt.as_bool("--verbose"),
        ),
        check_rc=False,
    )
    return runner