"""Helper for integrate sentry in stand-alone scripts"""
import json
import os
import subprocess

from contextlib import suppress
from pathlib import Path
from typing import List

import distro
import sentry_sdk

IMUNIFY360 = "imunify360"
IMUNIFYAV = "imunify-antivirus"
IMUNIFY360_PKG = "imunify360-firewall"
LICENSE = "/var/imunify360/license.json"
LICENSE_FREE = "/var/imunify360/license-free.json"
FREE_ID = "IMUNIFYAV"
UNKNOWN_ID = "UNKNOWN"
SENTRY_DSN_PATH = Path("/opt/imunify360/venv/share/imunify360/sentry")
SENTRY_DSN_DEFAULT = "https://6de77a2763bd40c58fc9e3a89285aaa8@im360.sentry.cloudlinux.com/3?timeout=20"  # noqa: E501


def get_sentry_dsn() -> str:
    """Return dsn from the file or the default one."""
    try:
        return SENTRY_DSN_PATH.read_text(encoding="ascii").strip()
    except (OSError, UnicodeDecodeError):
        return SENTRY_DSN_DEFAULT


def get_server_id() -> str:
    with suppress(Exception):
        for filename in [LICENSE, LICENSE_FREE]:
            with suppress(FileNotFoundError), open(filename) as file:
                return json.load(file)["id"]
    return UNKNOWN_ID


def collect_output(cmd: List[str]) -> str:
    try:
        cp = subprocess.run(
            cmd,
            stdin=subprocess.DEVNULL,
            stdout=subprocess.PIPE,
            stderr=subprocess.DEVNULL,
        )
    except OSError:
        return ""
    if cp.returncode != 0:
        return ""
    return os.fsdecode(cp.stdout)


def get_rpm_version(pkg: str) -> str:
    cmd = ["rpm", "-q", "--queryformat=%{VERSION}-%{RELEASE}", pkg]
    return collect_output(cmd)


def get_dpkg_version(pkg: str) -> str:
    cmd = ["dpkg-query", "--showformat=${Version}", "--show", pkg]
    return collect_output(cmd)


def get_current_os():
    platform_os = distro.linux_distribution()[0]
    return platform_os.lower()


def get_package_name():
    platform_os = get_current_os()
    service_name = IMUNIFY360_PKG
    if platform_os != "ubuntu" and get_rpm_version(IMUNIFYAV):
        service_name = IMUNIFYAV
    else:
        service_name = IMUNIFY360
    return service_name


def get_service_version(service_name) -> str:
    platform_os = get_current_os()
    if platform_os != "ubuntu":
        version = get_rpm_version(service_name)
    else:
        version = get_dpkg_version(service_name)
    return version


def configure_sentry():
    # using LoggingIntegration (contained in default Integrations)
    # logging event with *error* level will be reported to Sentry automatically
    sentry_sdk.init(dsn=get_sentry_dsn())
    with sentry_sdk.configure_scope() as scope:
        package = get_package_name()
        scope.user = {"id": get_server_id()}
        scope.set_tag("name", package)
        scope.set_tag("version", get_service_version(package))


def flush_sentry():
    client = sentry_sdk.Hub.current.client
    if client is not None:
        client.flush(timeout=2.0)