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

export async function GET() {
  const user = await getSessionUser()
  if (!user) return NextResponse.json({ error: "Unauthorized" }, { status: 401 })

  const ownerId = await getEffectiveOwnerId(user.id)

  const data = await db
    .select()
    .from(vendors)
    .where(eq(vendors.user_id, ownerId))
    .orderBy(asc(vendors.name))

  return NextResponse.json(data)
}

export async function POST(request: Request) {
  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 body = await request.json()
  const parsed = vendorSchema.safeParse(body)
  if (!parsed.success) {
    return NextResponse.json({ error: parsed.error.issues[0]?.message ?? "Invalid input" }, { status: 400 })
  }

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

  try {
    const [data] = await db
      .insert(vendors)
      .values({
        user_id: ownerId,
        name: parsed.data.name,
        trade: parsed.data.trade || null,
        phone: parsed.data.phone || null,
        email: parsed.data.email || null,
        notes: parsed.data.notes || null,
        property_id: parsed.data.property_id || null,
      })
      .returning()

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