"""Shared filesystem locations. Works whether run from the repo or ~/.config."""

from __future__ import annotations

import os
from pathlib import Path

BASE_DIR = Path(__file__).resolve().parent
STYLE_DIR = BASE_DIR / "style"

# GApplication single-instance id (our own process). NOT the freedesktop
# notification name — that well-known name (org.freedesktop.Notifications) is
# owned separately in main.py, the same one dunst used to hold.
APP_ID = "eu.abdelbaki.mnotifd"

FDN_NAME = "org.freedesktop.Notifications"
FDN_PATH = "/org/freedesktop/Notifications"
FDN_IFACE = "org.freedesktop.Notifications"

# Custom interfaces colocated at FDN_PATH, same well-known bus name — mirrors
# dunst parking org.dunstproject.cmd0 alongside its own freedesktop interface
# rather than using a bespoke object path.
HISTORY_IFACE = "eu.abdelbaki.mnotifd.History1"
CONTROLS_IFACE = "eu.abdelbaki.mnotifd.Controls1"

# Notification history persists under XDG_CACHE_HOME, like the layouts
# registry's ~/.cache/astro-menu/layouts.json — NOT ~/.config/mnotifd, which
# config-updater wipes and re-copies on every dotfiles sync.
CACHE_DIR = Path(os.environ.get("XDG_CACHE_HOME", Path.home() / ".cache")) / "mnotifd"
HISTORY_FILE = CACHE_DIR / "history.json"

# User settings live under XDG_STATE_HOME, same rationale/convention as
# station-bar/paths.py (config-updater's rm -rf would wipe a hand-edited
# ~/.config/mnotifd/config.json otherwise).
STATE_DIR = Path(os.environ.get("XDG_STATE_HOME", Path.home() / ".local" / "state")) / "mnotifd"
CONFIG_FILE = STATE_DIR / "config.json"


def ensure_dirs() -> None:
    CACHE_DIR.mkdir(parents=True, exist_ok=True)
    STATE_DIR.mkdir(parents=True, exist_ok=True)