"use client";

import { useState } from "react";
import Link from "next/link";

type PageData = {
  number: number;
  imageUrl: string;
};

type PageReaderProps = {
  pages: PageData[];
  mangaSlug: string;
  mangaTitle: string;
  chapterNumber: number;
  chapterTitle: string;
  prevChapter: number | null;
  nextChapter: number | null;
};

export function PageReader({
  pages,
  mangaSlug,
  mangaTitle,
  chapterNumber,
  chapterTitle,
  prevChapter,
  nextChapter,
}: PageReaderProps) {
  const [showUI, setShowUI] = useState(true);

  return (
    <div className="min-h-screen bg-black relative">
      {/* Top bar */}
      <div
        className={`fixed top-0 left-0 right-0 z-50 bg-black/90 backdrop-blur-sm transition-transform duration-300 ${
          showUI ? "translate-y-0" : "-translate-y-full"
        }`}
      >
        <div className="flex items-center gap-3 px-4 h-12 max-w-4xl mx-auto">
          <Link
            href={`/manga/${mangaSlug}`}
            className="text-white/80 hover:text-white transition-colors"
          >
            <svg
              viewBox="0 0 24 24"
              fill="none"
              stroke="currentColor"
              strokeWidth={2}
              className="w-6 h-6"
            >
              <polyline points="15 18 9 12 15 6" />
            </svg>
          </Link>
          <div className="min-w-0 flex-1">
            <p className="text-white text-sm font-medium truncate">
              {mangaTitle}
            </p>
            <p className="text-white/50 text-xs truncate">
              Ch. {chapterNumber} — {chapterTitle}
            </p>
          </div>
        </div>
      </div>

      {/* Pages - vertical scroll (webtoon style, best for mobile) */}
      <div
        className="max-w-4xl mx-auto"
        onClick={() => setShowUI(!showUI)}
      >
        {pages.map((page) => (
          <div key={page.number} className="relative">
            <img
              src={page.imageUrl}
              alt={`Page ${page.number}`}
              className="w-full h-auto block"
              loading={page.number <= 3 ? "eager" : "lazy"}
            />
          </div>
        ))}
      </div>

      {/* Bottom navigation */}
      <div
        className={`fixed bottom-0 left-0 right-0 z-50 bg-black/90 backdrop-blur-sm transition-transform duration-300 pb-safe ${
          showUI ? "translate-y-0" : "translate-y-full"
        }`}
      >
        <div className="flex items-center justify-between px-4 h-14 max-w-4xl mx-auto">
          {prevChapter ? (
            <Link
              href={`/manga/${mangaSlug}/${prevChapter}`}
              className="flex items-center gap-1 text-white/80 hover:text-white text-sm transition-colors"
            >
              <svg
                viewBox="0 0 24 24"
                fill="none"
                stroke="currentColor"
                strokeWidth={2}
                className="w-5 h-5"
              >
                <polyline points="15 18 9 12 15 6" />
              </svg>
              Prev
            </Link>
          ) : (
            <div />
          )}
          <span className="text-white/50 text-xs">
            {pages.length} pages
          </span>
          {nextChapter ? (
            <Link
              href={`/manga/${mangaSlug}/${nextChapter}`}
              className="flex items-center gap-1 text-white/80 hover:text-white text-sm transition-colors"
            >
              Next
              <svg
                viewBox="0 0 24 24"
                fill="none"
                stroke="currentColor"
                strokeWidth={2}
                className="w-5 h-5"
              >
                <polyline points="9 18 15 12 9 6" />
              </svg>
            </Link>
          ) : (
            <Link
              href={`/manga/${mangaSlug}`}
              className="text-accent text-sm font-medium"
            >
              Done
            </Link>
          )}
        </div>
      </div>
    </div>
  );
}