import { NextResponse } from 'next/server'
import { createClient } from '@/lib/supabase/server'
import { stripe } from '@/lib/stripe/config'
import type { Database } from '@/types/database'

type Subscription = Database['public']['Tables']['subscriptions']['Row']

export async function POST() {
  try {
    const supabase = await createClient()
    const { data: { user } } = await supabase.auth.getUser()

    if (!user) {
      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
    }

    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    const { data: subscription } = await (supabase as any)
      .from('subscriptions')
      .select('stripe_customer_id')
      .eq('user_id', user.id)
      .single() as { data: Pick<Subscription, 'stripe_customer_id'> | null }

    if (!subscription?.stripe_customer_id) {
      return NextResponse.json({ error: 'No subscription found' }, { status: 404 })
    }

    const session = await stripe.billingPortal.sessions.create({
      customer: subscription.stripe_customer_id,
      return_url: `${process.env.NEXT_PUBLIC_SITE_URL}/dashboard/settings`,
    })

    return NextResponse.json({ url: session.url })
  } catch (error) {
    console.error('Portal error:', error)
    return NextResponse.json({ error: 'Failed to create portal session' }, { status: 500 })
  }
}