"""Resolve project resource paths for editable and packaged runs."""

from __future__ import annotations

import sys
from pathlib import Path


def is_frozen() -> bool:
    return bool(getattr(sys, "frozen", False))


def app_root() -> Path:
    """Return the editable repo root or frozen executable directory."""
    if is_frozen():
        return Path(sys.executable).resolve().parent
    return Path(__file__).resolve().parents[2]


def resource_root() -> Path:
    """Return bundled resource root for editable and PyInstaller runs."""
    if is_frozen():
        return Path(getattr(sys, "_MEIPASS", app_root())).resolve()
    return app_root()


def project_root() -> Path:
    """Return the editable repo root or frozen executable directory."""
    return app_root()


def default_options_path() -> Path:
    external = app_root() / "config" / "options.json"
    if external.exists():
        return external
    return resource_root() / "config" / "options.json"


def default_steps_path() -> Path:
    external = app_root() / "steps" / "default.json"
    if external.exists():
        return external
    return resource_root() / "steps" / "default.json"


def default_locales_dir() -> Path:
    external = app_root() / "config" / "locales"
    if external.exists():
        return external
    return resource_root() / "config" / "locales"


def default_recordings_dir() -> Path:
    path = app_root() / "recordings"
    path.mkdir(parents=True, exist_ok=True)
    return path


def default_orisys_sdk_root() -> Path:
    """Sibling ``orisys-sdk`` checkout when sensor-bench lives next to it."""
    sibling = app_root().parent / "orisys-sdk"
    if sibling.exists():
        return sibling
    return Path(r"D:\repo\orisys-sdk")


def default_ddjx01_config() -> str:
    if is_frozen():
        return "ddjx01"
    path = default_orisys_sdk_root() / "config" / "ddjx01.json"
    if path.exists():
        return str(path)
    return "ddjx01"


def default_ddjx01_calibration() -> Path:
    external = app_root() / "config" / "ddjx01.npy"
    if external.exists():
        return external
    return default_orisys_sdk_root() / "config" / "ddjx01.npy"