"""Public app metadata (display name + version) for the frontend brand
layer, the phase-59 docs-push flag (the "Save as doc" gating), and the
phase-62 UI customization strings (composer placeholder, footer line,
theme file name)."""
from __future__ import annotations

from fastapi import APIRouter, Depends

from app.config import Settings, get_settings

router = APIRouter(tags=["config"])


@router.get("/config")
def app_config(settings: Settings = Depends(get_settings)) -> dict[str, str | bool]:  # noqa: B008
    """Public app metadata for the frontend brand layer (phase 39) +
    the phase-59 ``docs_repo_configured`` flag + the phase-62 UI
    customization keys (``input_placeholder``, ``footer_text``,
    ``theme``) — all display strings, the SAME boot fetch (no new
    network surface) and the same public posture as ``app_name``
    (no secrets). Values are passed through verbatim: the frontend
    brand layer treats an empty string as "keep the template default"
    (the unset => byte-identical contract)."""
    return {
        "app_name": settings.app_name,
        "version": settings.app_version,
        "docs_repo_configured": settings.docs_configured,
        "input_placeholder": settings.input_placeholder,
        "footer_text": settings.footer_text,
        "theme": settings.theme,
    }