"""Runtime path helpers.

All mutable runtime data is resolved from the executable directory when the
program is frozen, and from the project root while running from source.
"""

from __future__ import annotations

import os
import sys
from pathlib import Path


def app_root() -> Path:
    if getattr(sys, "frozen", False):
        return Path(sys.executable).resolve().parent
    return Path(__file__).resolve().parents[2]


APP_ROOT = app_root()
CONFIG_DIR = APP_ROOT / "config"
DATA_DIR = APP_ROOT / "data"
WEB_DIR = APP_ROOT / "web"
LOG_DIR = APP_ROOT / "logs"
INTEGRATIONS_DIR = APP_ROOT / "integrations"
VENDOR_DIR = APP_ROOT / "vendor"
DOTS_TTS_SRC = VENDOR_DIR / "dots.tts-main" / "src"


def project_path(value: str | os.PathLike, *, base: Path | None = None) -> Path:
    path = Path(value)
    if path.is_absolute():
        return path
    return (base or APP_ROOT) / path


def ensure_runtime_dirs() -> None:
    for path in (CONFIG_DIR, DATA_DIR, WEB_DIR, LOG_DIR):
        path.mkdir(parents=True, exist_ok=True)