import { NextRequest, NextResponse } from "next/server";
import { getDb } from "@/lib/db";

export async function PUT(
  request: NextRequest,
  { params }: { params: Promise<{ productId: string; itemId: string }> }
) {
  const sql = getDb();
  const { itemId } = await params;
  const body = await request.json();
  const { component_id, quantity, reference_designator, notes } = body;

  const rows = await sql(
    `UPDATE bom_items SET
      component_id = $1, quantity = $2, reference_designator = $3, notes = $4
     WHERE id = $5
     RETURNING *`,
    [component_id, quantity || 1, reference_designator || null, notes || null, Number(itemId)]
  );

  if (rows.length === 0) {
    return NextResponse.json({ error: "BOM item not found" }, { status: 404 });
  }

  return NextResponse.json(rows[0]);
}

export async function DELETE(
  _request: NextRequest,
  { params }: { params: Promise<{ productId: string; itemId: string }> }
) {
  const sql = getDb();
  const { itemId } = await params;

  await sql(`DELETE FROM bom_items WHERE id = $1`, [Number(itemId)]);
  return NextResponse.json({ success: true });
}