'use client'

import { useState } from 'react'
import { Sparkles, X, ShieldAlert, Check } from 'lucide-react'
import { useLanguage } from '@/lib/i18n'
import { motion, AnimatePresence } from 'motion/react'
import { cn } from '@/lib/utils'

interface AiConsentModalProps {
  open: boolean
  onClose: () => void
  onConfirm: (remember: boolean) => void
}

export function AiConsentModal({ open, onClose, onConfirm }: AiConsentModalProps) {
  const { t } = useLanguage()
  const [remember, setRemember] = useState(true)

  return (
    <AnimatePresence>
      {open && (
        <div className="fixed inset-0 z-[150] flex items-center justify-center p-4">
          {/* Glassmorphism Backdrop */}
          <motion.div
            initial={{ opacity: 0 }}
            animate={{ opacity: 1 }}
            exit={{ opacity: 0 }}
            onClick={onClose}
            className="absolute inset-0 bg-black/60 backdrop-blur-sm"
          />

          {/* Modal Container */}
          <motion.div
            initial={{ opacity: 0, scale: 0.95, y: 10 }}
            animate={{ opacity: 1, scale: 1, y: 0 }}
            exit={{ opacity: 0, scale: 0.95, y: 10 }}
            transition={{ type: 'spring', duration: 0.4 }}
            className={cn(
              "relative w-full max-w-lg overflow-hidden border border-[var(--border)]",
              "bg-[var(--memento-paper)] text-[var(--ink)] shadow-2xl rounded-lg p-6",
              "flex flex-col gap-5"
            )}
          >
            {/* Close Button */}
            <button
              onClick={onClose}
              className="absolute top-4 right-4 p-1 rounded-md text-[var(--ink)]/60 hover:text-[var(--ink)] hover:bg-[var(--concrete)] transition-colors"
            >
              <X className="w-5 h-5" />
            </button>

            {/* Header */}
            <div className="flex items-start gap-4">
              <div className="p-3 bg-[var(--accent-tint)] text-[var(--accent-color)] rounded-lg">
                <BrainIcon className="w-6 h-6 animate-pulse" />
              </div>
              <div className="flex flex-col gap-1 pr-6">
                <h3 className="text-lg font-semibold tracking-tight">
                  {t('consent.ai.modalTitle') || 'Consentement requis pour le traitement par IA'}
                </h3>
                <span className="text-xs uppercase tracking-wider text-[var(--ink)]/50 font-medium">
                  {t('consent.ai.complianceBadge') || 'Conformité RGPD'}
                </span>
              </div>
            </div>

            {/* Content */}
            <div className="text-sm leading-relaxed text-[var(--ink)]/80 flex flex-col gap-3">
              <p>
                {t('consent.ai.modalDescription') ||
                  "Pour analyser vos notes, PDFs ou sessions de remue-méninges, Memento transmet de manière sécurisée ces données à des API d'IA tierces (OpenAI, Gemini, DeepSeek). Nous appliquons une politique de rétention de données nulle. En acceptant, vous autorisez ce traitement."}
              </p>
              <div className="p-3 bg-[var(--concrete)] border border-[var(--border)] rounded-md text-xs flex gap-3 items-start">
                <ShieldAlert className="w-4 h-4 text-[var(--accent-color)] shrink-0 mt-0.5" />
                <div className="flex flex-col gap-0.5">
                  <span className="font-semibold">{t('consent.ai.zeroRetentionTitle') || 'Zéro Rétention de Données'}</span>
                  <span>
                    {t('consent.ai.zeroRetentionDesc') ||
                      'Toutes les requêtes sortantes incluent des indicateurs de non-apprentissage pour protéger votre propriété intellectuelle.'}
                  </span>
                </div>
              </div>
            </div>

            {/* Checkbox */}
            <label className="flex items-center gap-3 cursor-pointer select-none py-1">
              <div className="relative">
                <input
                  type="checkbox"
                  checked={remember}
                  onChange={(e) => setRemember(e.target.checked)}
                  className="sr-only"
                />
                <div
                  className={cn(
                    "w-5 h-5 rounded border border-[var(--border)] transition-colors flex items-center justify-center",
                    remember ? "bg-[var(--accent-color)] border-[var(--accent-color)]" : "bg-transparent"
                  )}
                >
                  {remember && <Check className="w-3.5 h-3.5 text-white stroke-[3px]" />}
                </div>
              </div>
              <span className="text-xs font-medium text-[var(--ink)]/80">
                {t('consent.ai.rememberMe') || 'Se souvenir de mon choix (ne plus demander)'}
              </span>
            </label>

            {/* Actions */}
            <div className="flex items-center justify-end gap-3 mt-2">
              <button
                onClick={onClose}
                className={cn(
                  "px-4 py-2 text-xs font-semibold rounded-md border border-[var(--border)]",
                  "hover:bg-[var(--concrete)] transition-colors bg-transparent text-[var(--ink)]"
                )}
              >
                {t('consent.ai.rejectButton') || 'Refuser'}
              </button>
              <button
                onClick={() => onConfirm(remember)}
                className={cn(
                  "px-4 py-2 text-xs font-semibold rounded-md text-white shadow-sm transition-opacity hover:opacity-90",
                  "bg-[var(--accent-color)] flex items-center gap-2"
                )}
              >
                <Sparkles className="w-3.5 h-3.5" />
                {t('consent.ai.acceptButton') || 'Autoriser et continuer'}
              </button>
            </div>
          </motion.div>
        </div>
      )}
    </AnimatePresence>
  )
}

function BrainIcon(props: React.SVGProps<SVGSVGElement>) {
  return (
    <svg
      viewBox="0 0 24 24"
      fill="none"
      stroke="currentColor"
      strokeWidth="2"
      strokeLinecap="round"
      strokeLinejoin="round"
      {...props}
    >
      <path d="M9.5 2A2.5 2.5 0 0 1 12 4.5v15a2.5 2.5 0 0 1-4.96-.44 2.5 2.5 0 0 1 0-3.12 3 3 0 0 1 0-3.88 2.5 2.5 0 0 1 0-3.12A2.5 2.5 0 0 1 9.5 2Z" />
      <path d="M14.5 2A2.5 2.5 0 0 0 12 4.5v15a2.5 2.5 0 0 0 4.96-.44 2.5 2.5 0 0 0 0-3.12 3 3 0 0 0 0-3.88 2.5 2.5 0 0 0 0-3.12A2.5 2.5 0 0 0 14.5 2Z" />
    </svg>
  )
}