'use server'

import { revalidatePath } from 'next/cache'
import { redirect } from 'next/navigation'
import { auth } from '@/lib/auth'
import { supabaseAdmin } from '@/lib/supabaseAdmin'

async function requireAdmin() {
  const session = await auth()
  if (!session || (session.user as any)?.role !== 'ADMIN') {
    throw new Error('Yetkisiz erişim')
  }
}

export async function updateSettingsAction(formData: FormData) {
  await requireAdmin()

  const trialDaysRaw = String(formData.get('trial_days') || '').trim()
  const trialDays = parseInt(trialDaysRaw, 10)
  if (!trialDaysRaw || isNaN(trialDays) || trialDays < 1) {
    redirect('/admin/settings?error=' + encodeURIComponent('Deneme süresi 1 veya daha büyük bir tam sayı olmalı'))
  }

  const { error } = await supabaseAdmin
    .from('app_settings')
    .update({ trial_days: trialDays, updated_at: new Date().toISOString() })
    .eq('id', true)

  if (error) {
    redirect('/admin/settings?error=' + encodeURIComponent(error.message))
  }

  revalidatePath('/admin/settings')
  redirect('/admin/settings?success=1')
}