import { putPaperAllocationsBulk, saveLiveStrategySettings } from './backendApi';
import { pinStrategyEvaluationTimeframes } from './strategyTimeframePin';
import type { VirtualSessionConfig, VirtualTargetItem } from './virtualTradingStorage';
import { resolveVirtualTargetStrategyId } from './virtualTargetStrategy';

/**
 * 가상투자 대상 → 백엔드 live strategy·모의 한도 동기화.
 * 전략 평가·모의 자동 체결은 BarClose/LiveStrategyScheduler → OrderExecutionQueue 에서만 수행.
 */
export async function syncVirtualTargetsToBackend(
  targets: VirtualTargetItem[],
  session: VirtualSessionConfig,
  isLiveCheck: boolean,
): Promise<void> {
  if (targets.length === 0) return;

  const shared = {
    isLiveCheck,
    executionType: session.executionType,
    positionMode: session.positionMode,
    skipWatchlistSync: true,
  } as const;

  if (isLiveCheck && session.globalStrategyId != null) {
    await saveLiveStrategySettings({
      market: targets[0].market,
      strategyId: session.globalStrategyId,
      isLiveCheck: true,
      executionType: session.executionType,
      positionMode: session.positionMode,
      skipWatchlistSync: true,
    });
  }

  const pinJobs = targets.map(async t => {
    const strategyId = resolveVirtualTargetStrategyId(t, session.globalStrategyId);
    if (strategyId == null) return;
    await pinStrategyEvaluationTimeframes(t.market, strategyId);
  });
  await Promise.all(pinJobs);

  await Promise.all(
    targets.map(t =>
      saveLiveStrategySettings({
        market: t.market,
        strategyId: resolveVirtualTargetStrategyId(t, session.globalStrategyId),
        isPinned: !!t.pinned,
        skipGlobalTemplate: true,
        ...shared,
      }),
    ),
  );

  try {
    await putPaperAllocationsBulk(
      targets.map((t, i) => ({
        symbol: t.market,
        koreanName: t.koreanName,
        strategyId: resolveVirtualTargetStrategyId(t, session.globalStrategyId),
        pinned: !!t.pinned,
        sortOrder: i,
        isActive: true,
      })),
    );
  } catch {
    /* paper allocation sync best-effort */
  }
}

/** 가상투자 중지 — 대상 종목 체크 해제 + 전역 liveStrategyCheck OFF */
export async function stopVirtualLiveOnBackend(
  targets: VirtualTargetItem[],
  session: VirtualSessionConfig,
): Promise<void> {
  if (targets.length === 0) {
    await saveLiveStrategySettings({
      market: 'KRW-BTC',
      strategyId: session.globalStrategyId,
      isLiveCheck: false,
      executionType: session.executionType,
      positionMode: session.positionMode,
      skipWatchlistSync: true,
    });
    return;
  }

  await syncVirtualTargetsToBackend(targets, session, false);
}