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

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

  const ownerId = await getEffectiveOwnerId(user.id)

  const { id } = await params
  const data = await db.query.inspections.findFirst({
    where: and(eq(inspections.id, id), eq(inspections.user_id, ownerId)),
    with: {
      property: { columns: { name: true } },
      unit: { columns: { unit_number: true } },
    },
  })

  if (!data) return NextResponse.json({ error: "Not found" }, { status: 404 })
  return NextResponse.json(data)
}

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 inspections.$inferInsert> = {}
  if (body.status !== undefined) {
    if (body.status !== "draft" && body.status !== "complete") {
      return NextResponse.json({ error: "Invalid status" }, { status: 400 })
    }
    allowed.status = body.status
  }
  if (body.notes !== undefined) allowed.notes = body.notes
  if (body.items !== undefined) allowed.items = body.items
  if (body.date !== undefined) allowed.date = body.date

  try {
    const [data] = await db
      .update(inspections)
      .set(allowed)
      .where(and(eq(inspections.id, id), eq(inspections.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
  try {
    await db.delete(inspections).where(and(eq(inspections.id, id), eq(inspections.user_id, ownerId)))
    return NextResponse.json({ success: true })
  } catch (e) {
    return NextResponse.json({ error: (e as Error).message }, { status: 500 })
  }
}