"use client";

import { useEffect } from "react";
import { createPortal } from "react-dom";
import Image from "next/image";
import { X, Calendar, ExternalLink } from "lucide-react";
import type { NewsItem } from "@/types/content";

interface NewsModalProps {
  item: NewsItem | null;
  onClose: () => void;
}

function formatDate(iso: string): string {
  try {
    const d = new Date(iso);
    const date = d.toLocaleDateString("ru-RU", {
      day: "numeric",
      month: "long",
      year: "numeric",
    });
    if (iso.includes("T")) {
      const time = d.toLocaleTimeString("ru-RU", { hour: "2-digit", minute: "2-digit" });
      return `${date}, ${time}`;
    }
    return date;
  } catch {
    return iso;
  }
}

export function NewsModal({ item, onClose }: NewsModalProps) {
  useEffect(() => {
    if (!item) return;
    function onKey(e: KeyboardEvent) {
      if (e.key === "Escape") onClose();
    }
    document.addEventListener("keydown", onKey);
    return () => document.removeEventListener("keydown", onKey);
  }, [item, onClose]);

  useEffect(() => {
    if (item) {
      const scrollbarWidth = window.innerWidth - document.documentElement.clientWidth;
      document.body.style.overflow = "hidden";
      document.body.style.paddingRight = `${scrollbarWidth}px`;
    } else {
      document.body.style.overflow = "";
      document.body.style.paddingRight = "";
    }
    return () => { document.body.style.overflow = ""; document.body.style.paddingRight = ""; };
  }, [item]);

  if (!item) return null;

  return createPortal(
    <div
      className="modal-overlay fixed inset-0 z-50 flex items-center justify-center p-4"
      role="dialog"
      aria-modal="true"
      aria-label={item.title}
      onClick={onClose}
    >
      <div className="absolute inset-0 bg-black/70 backdrop-blur-sm" />

      <div
        className="modal-content relative w-full max-w-2xl max-h-[90vh] overflow-y-auto rounded-2xl border border-white/[0.08] bg-[#0a0a0a] shadow-2xl"
        onClick={(e) => e.stopPropagation()}
      >
        <button
          onClick={onClose}
          aria-label="Закрыть"
          className="absolute right-4 top-4 z-10 flex h-8 w-8 items-center justify-center rounded-full bg-black/50 text-neutral-400 backdrop-blur-sm transition-colors hover:bg-white/[0.1] hover:text-white cursor-pointer"
        >
          <X size={18} />
        </button>

        {item.image && (
          <div className="relative aspect-[2/1] w-full overflow-hidden rounded-t-2xl">
            <Image
              src={item.image}
              alt={item.title}
              fill
              sizes="(min-width: 768px) 672px, 100vw"
              className="object-cover"
              style={{
                objectPosition: `${item.imageFocalX ?? 50}% ${item.imageFocalY ?? 50}%`,
                transform: `scale(${item.imageZoom ?? 1})`,
              }}
            />
            <div className="absolute inset-0 bg-gradient-to-t from-[#0a0a0a] via-transparent to-transparent" />
          </div>
        )}

        <div className={`p-6 sm:p-8 ${item.image ? "-mt-12 relative" : ""}`}>
          <span className="inline-flex items-center gap-1.5 text-xs text-neutral-400">
            <Calendar size={12} />
            {formatDate(item.date)}
          </span>

          <h2 className="mt-2 text-xl sm:text-2xl font-bold text-white leading-tight">
            {item.title}
          </h2>

          <p className="mt-4 text-sm sm:text-base leading-relaxed text-neutral-300 whitespace-pre-line">
            {item.text}
          </p>

          {item.link && (
            <a
              href={item.link}
              target="_blank"
              rel="noopener noreferrer"
              className="mt-6 inline-flex items-center gap-2 rounded-xl bg-gold px-5 py-2.5 text-sm font-semibold text-black transition-all hover:bg-gold-light hover:shadow-lg hover:shadow-gold/20"
            >
              Подробнее
              <ExternalLink size={14} />
            </a>
          )}
        </div>
      </div>
    </div>,
    document.body
  );
}