"""map crash database names to CrashDatabase implementations and URLs"""

import datetime
import pathlib
import platform

# pylint: disable-next=invalid-name
default = "ubuntu"


def get_oem_project():
    """Determine OEM project name from Distribution Channel Descriptor

    Return None if it cannot be determined or does not exist.
    """
    try:
        dcd = pathlib.Path("/var/lib/ubuntu_dist_channel").read_text(encoding="utf-8")
        if dcd.startswith("canonical-oem-"):
            return dcd.split("-")[2]
    except IOError:
        return None
    return None


# pylint: disable-next=consider-using-namedtuple-or-dataclass
databases: dict[str, dict[str, str | list[str] | None]] = {
    "ubuntu": {
        "impl": "launchpad",
        "bug_pattern_url": (
            "http://people.canonical.com/~ubuntu-archive/bugpatterns/bugpatterns.xml"
        ),
        "dupdb_url": "http://people.canonical.com/~ubuntu-archive/apport-duplicates",
        "distro": "ubuntu",
        "escalation_tag": "bugpattern-needed",
        "escalated_tag": "bugpattern-written",
    },
    "canonical-oem": {
        "impl": "launchpad",
        "bug_pattern_url": (
            "http://people.canonical.com/~ubuntu-archive/bugpatterns/bugpatterns.xml"
        ),
        "project": get_oem_project(),
    },
    "snap-github": {
        "impl": "github",
        "repository_owner": None,
        "repository_name": None,
        "github_app_id": "bb74ee9268c04aeca4fa",
        "labels": ["apport"],
    },
    "ubuntu-wsl": {
        "impl": "github",
        "repository_owner": "ubuntu",
        "repository_name": "WSL",
        "github_app_id": "bb74ee9268c04aeca4fa",
        "labels": ["apport"],
    },
    "debug": {
        # for debugging
        "impl": "memory",
        "bug_pattern_url": "file:///tmp/bugpatterns.xml",
        "distro": "debug",
    },
}


def _is_ubuntu_stable_release() -> bool:
    """Check if the running system is a stable Ubuntu release."""
    info = platform.freedesktop_os_release()
    codename = info.get("VERSION_CODENAME")
    if info.get("ID") != "ubuntu" or codename is None:
        return False
    today = datetime.date.today()
    try:
        # pylint: disable-next=import-outside-toplevel
        import distro_info
    except ImportError:
        return False
    ubuntu_distro_info = distro_info.UbuntuDistroInfo()
    stable_releases = {
        d.series
        for d in ubuntu_distro_info.get_all(result="object")
        if d.release is not None and today >= d.release
    }
    return codename in stable_releases


if _is_ubuntu_stable_release():
    databases["ubuntu"]["problem_types"] = ["Bug", "Package"]