property-management-network/app/api/vendors/[id]/route.ts

import { NextResponse } from "next/server"
import { and, eq } from "drizzle-orm"
import { db } from "@/lib/db"
import { vendors } from "@/lib/db/schema"
import { getSessionUser } from "@/lib/session"
import { ownsProperty } from "@/lib/db/ownership"
import { getAccountContext } from "@/lib/account"

export async function PATCH(request: Request, { params }: { params: Promise<{ id: string }> }) {
  const user = await getSessionUser()
  if (!user) return NextResponse.json({ error: "Unauthorized" }, { status: 401 })

  const ctx = await getAccountContext(user.id)
  const ownerId = ctx.ownerId
  if (!ctx.canWrite) return NextResponse.json({ error: "Forbidden" }, { status: 403 })

  const { id } = await params
  const body = await request.json()

  const allowed: Partial<typeof vendors.$inferInsert> = {}
  if (body.name !== undefined) allowed.name = body.name
  if (body.trade !== undefined) allowed.trade = body.trade || null
  if (body.phone !== undefined) allowed.phone = body.phone || null
  if (body.email !== undefined) allowed.email = body.email || null
  if (body.notes !== undefined) allowed.notes = body.notes || null
  if (body.property_id !== undefined) allowed.property_id = body.property_id || null

  if (!(await ownsProperty(ownerId, allowed.property_id))) {
    return NextResponse.json({ error: "Invalid reference" }, { status: 403 })
  }

  try {
    const [data] = await db
      .update(vendors)
      .set(allowed)
      .where(and(eq(vendors.id, id), eq(vendors.user_id, ownerId)))
      .returning()

    return NextResponse.json(data)
  } catch (e) {
    return NextResponse.json({ error: (e as Error).message }, { status: 500 })
  }
}

export async function DELETE(_: Request, { params }: { params: Promise<{ id: string }> }) {
  const user = await getSessionUser()
  if (!user) return NextResponse.json({ error: "Unauthorized" }, { status: 401 })

  const ctx = await getAccountContext(user.id)
  const ownerId = ctx.ownerId
  if (!ctx.canWrite) return NextResponse.json({ error: "Forbidden" }, { status: 403 })

  const { id } = await params
  await db.delete(vendors).where(and(eq(vendors.id, id), eq(vendors.user_id, ownerId)))
  return NextResponse.json({ ok: true })
}