// app/api/devices/[id]/history/route.ts
import { NextResponse } from 'next/server';
import { prisma } from '@/lib/prisma';

export async function GET(
  _req: Request,
  { params }: { params: { id: string } },
) {
  // In der URL ist "id" = inventoryNumber
  const inventoryNumber = decodeURIComponent(params.id);

  try {
    const history = await prisma.deviceHistory.findMany({
      where: { deviceId: inventoryNumber },
      include: {
        changedBy: true,
      },
      orderBy: {
        changedAt: 'desc',
      },
    });

    // Auf das Format für DeviceHistorySidebar mappen
    const payload = history.map((entry) => ({
      id: entry.id,
      changeType: entry.changeType,
      changedAt: entry.changedAt.toISOString(),
      changedBy:
        entry.changedBy?.name ??
        entry.changedBy?.username ??
        entry.changedBy?.email ??
        null,
    }));

    // Auch bei leerer Liste 200 + [] zurückgeben
    return NextResponse.json(payload);
  } catch (err) {
    console.error('[GET /api/devices/[id]/history]', err);
    return NextResponse.json({ error: 'INTERNAL_ERROR' }, { status: 500 });
  }
}