import { NextResponse } from "next/server"
import { desc, eq, sql } from "drizzle-orm"
import { db } from "@/lib/db"
import { properties } from "@/lib/db/schema"
import { getSessionUser } from "@/lib/session"
import { propertySchema } from "@/lib/validations"
import { getUserPlan } from "@/lib/plan-limits"
import { checkLimit } from "@/lib/stripe/plans"
import { getEffectiveOwnerId, getAccountContext } from "@/lib/account"
import { emitWebhookEvent } from "@/lib/webhooks/emit"
import { geocodeAddress } from "@/lib/geocoding"

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.query.properties.findMany({
    where: eq(properties.user_id, ownerId),
    with: { units: { columns: { id: true, status: true } } },
    orderBy: desc(properties.created_at),
  })

  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 = propertySchema.safeParse(body)
  if (!parsed.success) return NextResponse.json({ error: parsed.error.flatten() }, { status: 400 })

  // Check plan limit
  const [{ count }] = await db
    .select({ count: sql<number>`count(*)::int` })
    .from(properties)
    .where(eq(properties.user_id, ownerId))

  const plan = await getUserPlan(ownerId)
  if (!checkLimit(plan, "maxProperties", count)) {
    return NextResponse.json({ error: "Plan limit reached. Upgrade to add more properties." }, { status: 403 })
  }

  // Best-effort geocode so the property shows up on the map (never blocks save).
  const coords = await geocodeAddress(parsed.data)

  const [data] = await db
    .insert(properties)
    .values({ ...parsed.data, user_id: ownerId, ...(coords ?? {}) })
    .returning()

  await emitWebhookEvent({ ownerId, event: "property.created", data: { property: data } })

  return NextResponse.json(data, { status: 201 })
}