from fastapi import APIRouter, Depends, HTTPException, Request
from sqlmodel import Session

from api.platform_shared import apply_platform_runtime_changes
from core.database import get_session
from schemas.platform import PlatformSettingsPayload, SystemSettingPayload
from services.platform_settings_service import (
    create_or_update_system_setting,
    delete_system_setting,
    get_platform_settings,
    list_system_settings,
    save_platform_settings,
)

router = APIRouter()


@router.get("/api/platform/settings")
def get_platform_settings_api(session: Session = Depends(get_session)):
    return get_platform_settings(session).model_dump()


@router.put("/api/platform/settings")
def update_platform_settings_api(
    payload: PlatformSettingsPayload,
    request: Request,
    session: Session = Depends(get_session),
):
    result = save_platform_settings(session, payload).model_dump()
    apply_platform_runtime_changes(request)
    return result


@router.get("/api/platform/system-settings")
def get_system_settings(search: str = "", session: Session = Depends(get_session)):
    return {"items": list_system_settings(session, search=search)}


@router.post("/api/platform/system-settings")
def create_system_setting(payload: SystemSettingPayload, request: Request, session: Session = Depends(get_session)):
    try:
        result = create_or_update_system_setting(session, payload)
        apply_platform_runtime_changes(request)
        return result
    except ValueError as exc:
        raise HTTPException(status_code=400, detail=str(exc)) from exc


@router.put("/api/platform/system-settings/{key}")
def update_system_setting(
    key: str,
    payload: SystemSettingPayload,
    request: Request,
    session: Session = Depends(get_session),
):
    try:
        result = create_or_update_system_setting(session, payload.model_copy(update={"key": key}))
        apply_platform_runtime_changes(request)
        return result
    except ValueError as exc:
        raise HTTPException(status_code=400, detail=str(exc)) from exc


@router.delete("/api/platform/system-settings/{key}")
def remove_system_setting(key: str, request: Request, session: Session = Depends(get_session)):
    try:
        delete_system_setting(session, key)
        apply_platform_runtime_changes(request)
    except ValueError as exc:
        raise HTTPException(status_code=400, detail=str(exc)) from exc
    return {"status": "deleted", "key": key}