import { getUiPreferences, patchUiPreferences } from './uiPreferencesDb';
import {
  normalizeStartCandleType,
  STRATEGY_CANDLE_TYPE_OPTIONS,
} from './strategyStartNodes';
import {
  DEFAULT_TRADE_NOTIFICATION_GRID_PRESET,
  normalizeTradeNotificationGridPreset,
  type TradeNotificationGridPresetId,
} from './tradeNotificationGridPresets';

export type TradeNotificationListLayout = 'list' | 'grid';

/** 알림 목록 정렬 */
export type TradeNotificationListSort = 'market' | 'newest' | 'oldest';

export function loadTradeNotificationListLayout(): TradeNotificationListLayout {
  const v = getUiPreferences().tradeNotifications?.listLayout;
  return v === 'grid' ? 'grid' : 'list';
}

export function saveTradeNotificationListLayout(layout: TradeNotificationListLayout): void {
  patchUiPreferences({ tradeNotifications: { listLayout: layout } });
}

export function loadTradeNotificationGridPreset(): TradeNotificationGridPresetId {
  return normalizeTradeNotificationGridPreset(
    getUiPreferences().tradeNotifications?.gridPreset ?? DEFAULT_TRADE_NOTIFICATION_GRID_PRESET,
  );
}

export function saveTradeNotificationGridPreset(preset: TradeNotificationGridPresetId): void {
  patchUiPreferences({ tradeNotifications: { gridPreset: preset } });
}

export function loadTradeNotificationListSort(): TradeNotificationListSort {
  const v = getUiPreferences().tradeNotifications?.listSort;
  if (v === 'market' || v === 'oldest') return v;
  return 'newest';
}

export function saveTradeNotificationListSort(sort: TradeNotificationListSort): void {
  patchUiPreferences({ tradeNotifications: { listSort: sort } });
}

export type TradeNotificationReadFilter = 'all' | 'unread';

export const TRADE_NOTIFICATION_READ_FILTER_OPTIONS: {
  value: TradeNotificationReadFilter;
  label: string;
}[] = [
  { value: 'all', label: '전체' },
  { value: 'unread', label: '미확인' },
];

export const TRADE_NOTIFICATION_SORT_OPTIONS: {
  value: TradeNotificationListSort;
  label: string;
}[] = [
  { value: 'market', label: '종목순' },
  { value: 'newest', label: '최신시간순' },
  { value: 'oldest', label: '이전시간순' },
];

/** 알림 목록 시간봉 필터 — '' = 전체 */
export type TradeNotificationCandleFilter = '' | (typeof STRATEGY_CANDLE_TYPE_OPTIONS)[number]['value'];

export function loadTradeNotificationCandleFilter(): TradeNotificationCandleFilter {
  const raw = getUiPreferences().tradeNotifications?.candleFilter;
  if (raw == null || raw === '') return '';
  const n = normalizeStartCandleType(raw);
  return STRATEGY_CANDLE_TYPE_OPTIONS.some(o => o.value === n)
    ? (n as TradeNotificationCandleFilter)
    : '';
}

export function saveTradeNotificationCandleFilter(filter: TradeNotificationCandleFilter): void {
  patchUiPreferences({ tradeNotifications: { candleFilter: filter || '' } });
}

export { STRATEGY_CANDLE_TYPE_OPTIONS as TRADE_NOTIFICATION_CANDLE_FILTER_OPTIONS };