"use client";

import { useEffect } from "react";
import Image from "next/image";
import { X, Flame, Sparkles, Wind, Zap, Star, Monitor } from "lucide-react";
import type { ClassItem } from "@/types";

const iconMap: Record<string, React.ReactNode> = {
  flame: <Flame size={20} />,
  sparkles: <Sparkles size={20} />,
  wind: <Wind size={20} />,
  zap: <Zap size={20} />,
  star: <Star size={20} />,
  monitor: <Monitor size={20} />,
};

interface ClassModalProps {
  classItem: ClassItem | null;
  onClose: () => void;
}

export function ClassModal({ classItem, onClose }: ClassModalProps) {
  useEffect(() => {
    if (!classItem) return;

    document.body.style.overflow = "hidden";

    function handleKeyDown(e: KeyboardEvent) {
      if (e.key === "Escape") onClose();
    }

    document.addEventListener("keydown", handleKeyDown);
    return () => {
      document.body.style.overflow = "";
      document.removeEventListener("keydown", handleKeyDown);
    };
  }, [classItem, onClose]);

  if (!classItem) return null;

  const heroImage = classItem.images?.[0];

  return (
    <div
      className="modal-overlay fixed inset-0 z-50 flex items-end justify-center bg-black/70 backdrop-blur-lg sm:items-center sm:p-4"
      onClick={onClose}
    >
      <div
        className="modal-content relative flex w-full max-h-[90vh] flex-col overflow-hidden rounded-t-3xl bg-white sm:max-w-2xl sm:rounded-3xl dark:bg-[#111]"
        onClick={(e) => e.stopPropagation()}
      >
        {/* Hero image banner */}
        {heroImage && (
          <div className="relative h-52 w-full shrink-0 sm:h-64">
            <Image
              src={heroImage}
              alt={classItem.name}
              fill
              className="object-cover"
            />
            <div className="absolute inset-0 bg-gradient-to-t from-black/80 via-black/30 to-transparent" />

            {/* Close button */}
            <button
              onClick={onClose}
              className="absolute right-4 top-4 z-10 flex h-8 w-8 items-center justify-center rounded-full bg-black/40 text-white/80 backdrop-blur-sm transition-all hover:bg-black/60 hover:text-white"
              aria-label="Закрыть"
            >
              <X size={16} />
            </button>

            {/* Title on image */}
            <div className="absolute bottom-0 left-0 right-0 p-6">
              <div className="flex items-center gap-3">
                <div className="flex h-9 w-9 items-center justify-center rounded-lg bg-white/15 text-white backdrop-blur-sm">
                  {iconMap[classItem.icon]}
                </div>
                <h3 className="text-2xl font-bold text-white">
                  {classItem.name}
                </h3>
              </div>
            </div>
          </div>
        )}

        {/* Content */}
        <div className="overflow-y-auto">
          {/* Title fallback when no image */}
          {!heroImage && (
            <div className="flex items-center justify-between p-6 pb-0">
              <div className="flex items-center gap-3">
                <div className="flex h-9 w-9 items-center justify-center rounded-lg bg-rose-50 text-rose-600 dark:bg-rose-500/10 dark:text-rose-400">
                  {iconMap[classItem.icon]}
                </div>
                <h3 className="heading-text text-xl font-bold">
                  {classItem.name}
                </h3>
              </div>
              <button
                onClick={onClose}
                className="rounded-full p-1.5 text-neutral-400 transition-all hover:bg-neutral-100 hover:text-neutral-900 dark:text-neutral-500 dark:hover:bg-white/[0.05] dark:hover:text-white"
                aria-label="Закрыть"
              >
                <X size={18} />
              </button>
            </div>
          )}

          {classItem.detailedDescription && (
            <div className="p-6 text-sm leading-relaxed whitespace-pre-line text-neutral-600 dark:text-neutral-400">
              {classItem.detailedDescription}
            </div>
          )}

        </div>
      </div>
    </div>
  );
}
