'use client'

import { Suspense, useState } from 'react'
import Link from 'next/link'
import { useSearchParams } from 'next/navigation'
import { Mail, ArrowLeft, Sparkles } from 'lucide-react'
import { useLanguage } from '@/lib/i18n'
import { resendSignupVerification } from '@/app/actions/auth-verify'
import { toast } from 'sonner'

function CheckEmailContent() {
  const { t, language } = useLanguage()
  const searchParams = useSearchParams()
  const initialEmail = searchParams.get('email') ?? ''
  const [email, setEmail] = useState(initialEmail)
  const [sending, setSending] = useState(false)

  const handleResend = async () => {
    const target = email.trim()
    if (!target) {
      toast.error(t('auth.verifyMissingEmail'))
      return
    }
    setSending(true)
    const result = await resendSignupVerification(target, language)
    setSending(false)
    if (result.success) {
      toast.success(t('auth.verifyResent'))
    } else {
      toast.error(t('auth.verifyResendFailed'))
    }
  }

  return (
    <div className="bg-white dark:bg-[var(--background)]/50 border border-[var(--border)] p-8 md:p-10 rounded-[48px] shadow-2xl">
      <div className="space-y-8 text-center">
        <div className="w-14 h-14 mx-auto rounded-2xl bg-[var(--color-brand-accent)]/10 flex items-center justify-center">
          <Mail size={28} className="text-[var(--color-brand-accent)]" />
        </div>
        <div className="space-y-2">
          <h1 className="text-2xl md:text-3xl font-serif font-bold">
            {t('auth.checkEmailTitle')}
          </h1>
          <p className="text-[var(--muted-foreground)] text-sm font-light leading-relaxed">
            {initialEmail
              ? t('auth.checkEmailDescription', { email: initialEmail })
              : t('auth.checkEmailDescriptionGeneric')}
          </p>
        </div>

        <div className="space-y-1.5 text-start">
          <label htmlFor="email" className="text-[10px] uppercase tracking-widest font-bold text-[var(--muted-foreground)] px-4">
            {t('auth.email')}
          </label>
          <input
            id="email"
            type="email"
            value={email}
            onChange={(e) => setEmail(e.target.value)}
            placeholder={t('auth.emailPlaceholder')}
            className="w-full bg-slate-50 dark:bg-white/5 border border-[var(--border)] rounded-2xl py-4 px-4 text-sm outline-none focus:border-[var(--color-brand-accent)] focus:ring-4 ring-[var(--color-brand-accent)]/5 transition-all"
          />
        </div>

        <button
          type="button"
          onClick={handleResend}
          disabled={sending}
          className="w-full bg-[var(--foreground)] text-[var(--background)] py-4 rounded-2xl font-bold uppercase tracking-[0.2em] text-[10px] flex items-center justify-center gap-3 transition-all hover:shadow-xl hover:shadow-black/10 active:scale-[0.98] disabled:opacity-50"
        >
          {sending ? <Sparkles size={16} className="animate-spin" /> : t('auth.resendVerification')}
        </button>

        <Link
          href="/login"
          className="inline-flex items-center gap-2 text-xs text-[var(--muted-foreground)] hover:text-[var(--color-brand-accent)] transition-colors"
        >
          <ArrowLeft size={14} />
          {t('auth.backToLogin')}
        </Link>
      </div>
    </div>
  )
}

export default function CheckEmailPage() {
  return (
    <Suspense fallback={<div className="p-10 text-center text-sm text-muted-foreground">…</div>}>
      <CheckEmailContent />
    </Suspense>
  )
}