"""Настройки приложения (LLM-ключи, дефолты пайплайна) — живут в Postgres,
переживают перезапуск контейнеров и перезагрузку страницы.
"""
from __future__ import annotations

from fastapi import APIRouter
from pydantic import BaseModel

from api.db.setting import get_all_settings, set_settings


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

_KEYS = (
    "llm_base_url",
    "llm_api_key",
    "llm_model",
    "summary_max_sentences",
    "keep_video",
    "vosk_model_path",
)


class SettingsPayload(BaseModel):
    llm_base_url: str | None = None
    llm_api_key: str | None = None
    llm_model: str | None = None
    summary_max_sentences: int | None = None
    keep_video: bool | None = None
    vosk_model_path: str | None = None


@router.get("/")
async def get_settings():
    db = await get_all_settings()
    return {
        "llm_base_url": db.get("llm_base_url", ""),
        "llm_api_key": db.get("llm_api_key", ""),
        "llm_model": db.get("llm_model", ""),
        "summary_max_sentences": int(db.get("summary_max_sentences") or 15),
        "keep_video": db.get("keep_video", "1") != "0",
        "vosk_model_path": db.get("vosk_model_path", "models/vosk-model-small-ru-0.22"),
    }


@router.put("/")
async def put_settings(body: SettingsPayload):
    values: dict[str, str] = {}
    for key in _KEYS:
        v = getattr(body, key)
        if v is None:
            continue
        if key == "keep_video":
            values[key] = "1" if v else "0"
        else:
            values[key] = str(v)
    if values:
        await set_settings(values)
    return await get_settings()