import sys
import time
from datetime import datetime, timezone

from fastapi import APIRouter, Depends

from app.core.config import settings
from app.core.dependencies import verify_api_key

router = APIRouter()

_START_TIME = time.monotonic()


@router.get("/config")
async def get_app_config():
    """Récupère la configuration publique de l'application."""
    return {
        "debug_mode": bool(settings.debug_mode),
    }


@router.get("/config/version")
async def get_app_version(api_key_valid: bool = Depends(verify_api_key)):
    """Retourne la version de l'application, Python, et l'uptime."""
    uptime_seconds = int(time.monotonic() - _START_TIME)
    hours, remainder = divmod(uptime_seconds, 3600)
    minutes, seconds = divmod(remainder, 60)

    return {
        "app_version": settings.api_version,
        "app_title": settings.api_title,
        "python_version": sys.version,
        "python_executable": sys.executable,
        "timezone": settings.scheduler_timezone,
        "uptime": f"{hours}h {minutes}m {seconds}s",
        "uptime_seconds": uptime_seconds,
        "server_time": datetime.now(timezone.utc).isoformat(),
    }