import { NextResponse } from 'next/server';
import { reconstructPortfolioHistory } from '@/actions/snapshots';
import { revalidatePath } from 'next/cache';

export const dynamic = 'force-dynamic';
export const runtime = 'nodejs';
export const maxDuration = 3600;

export async function POST(req: Request) {
  const rebuildSecret = process.env.REBUILD_SECRET || process.env.CRON_SECRET;
  const authHeader = req.headers.get('Authorization');

  if (!rebuildSecret) {
    return NextResponse.json(
      { error: 'REBUILD_SECRET or CRON_SECRET not configured' },
      { status: 500 }
    );
  }

  if (authHeader !== `Bearer ${rebuildSecret}`) {
    return NextResponse.json(
      { error: 'Unauthorized' },
      { status: 401 }
    );
  }

  try {
    console.log('[Rebuild Snapshots] Starting full rebuild...');

    const result = await reconstructPortfolioHistory();

    console.log('[Rebuild Snapshots] Rebuild complete:', result);

    // 清除整个大盘页面的所有服务端缓存
    revalidatePath('/', 'layout');
    revalidatePath('/dashboard', 'page');

    return NextResponse.json({
      success: true,
      message: '历史快照全量重建完成',
      daysReconstructed: result.daysReconstructed,
    });
  } catch (error) {
    console.error('[Rebuild Snapshots] Rebuild failed:', error);
    return NextResponse.json(
      {
        error: '重建失败',
        details: String(error),
      },
      { status: 500 }
    );
  }
}