'use server'

import { z } from 'zod'
import { db } from '@/lib/db'
import { rounds } from '@/lib/db/schema'
import { eq } from 'drizzle-orm'
import { auth } from '@/lib/auth'
import { headers } from 'next/headers'
import { inviteToRound } from './rounds'

export async function inviteFromLobby(roundId: string, email: string) {
  const parsed = z.object({ roundId: z.string().uuid(), email: z.string().email() })
    .safeParse({ roundId, email })
  if (!parsed.success) return { error: 'Invalid email address' }

  const session = await auth.api.getSession({ headers: await headers() })
  if (!session) return { error: 'Not authenticated' }

  const [round] = await db
    .select({ status: rounds.status, createdBy: rounds.createdBy })
    .from(rounds)
    .where(eq(rounds.id, roundId))
    .limit(1)

  if (!round) return { error: 'Round not found' }
  if (round.createdBy !== session.user.id) return { error: 'Only the round creator can invite players' }
  if (round.status !== 'lobby') return { error: 'Cannot invite after the round has started' }

  return inviteToRound(roundId, email, session.user.id)
}