from typing import Any, Dict

from fastapi import APIRouter, Depends

from ..auth import get_current_user
from ..runtime import get_runtime_settings

router = APIRouter(prefix="/site", tags=["site"])

_BANNER_TONES = {"info", "warning", "error", "maintenance"}


def _build_site_info(include_changelog: bool) -> Dict[str, Any]:
    runtime = get_runtime_settings()
    banner_message = (runtime.site_banner_message or "").strip()
    tone = (runtime.site_banner_tone or "info").strip().lower()
    if tone not in _BANNER_TONES:
        tone = "info"
    info = {
        "buildNumber": (runtime.site_build_number or "").strip(),
        "banner": {
            "enabled": bool(runtime.site_banner_enabled and banner_message),
            "message": banner_message,
            "tone": tone,
        },
    }
    if include_changelog:
        info["changelog"] = (runtime.site_changelog or "").strip()
    return info


@router.get("/public")
async def site_public() -> Dict[str, Any]:
    return _build_site_info(False)


@router.get("/info")
async def site_info(user: Dict[str, Any] = Depends(get_current_user)) -> Dict[str, Any]:
    return _build_site_info(True)