"use client";
import Sidebar from "@/components/Sidebar";
import { useState } from "react";

// Artifacts Data
const artifacts = [
  { id: 1, name: "Golden Scarab", description: "An ancient Egyptian artifact symbolizing rebirth.", location: "Cairo, Egypt", image: "/images/artifact1.jpg", price: 150 },
  { id: 2, name: "Aztec Sunstone", description: "A replica of the Aztec calendar (inscriptions intact).", location: "Peru", image: "/images/artifact2.jpg", price: 200 },
  { id: 3, name: "Medieval Chalice", description: "Used by royalty in medieval ceremonies.", location: "Cambridge, England", image: "/images/artifact3.jpg", price: 120 },
  { id: 4, name: "Roman Coin", description: "An authentic Roman coin from the 2nd century CE.", location: "Rome, Italy", image: "/images/artifact4.jpg", price: 80 },
  { id: 5, name: "Samurai Mask", description: "Replica of Japanese Samurai battle masks.", location: "Tokyo, Japan", image: "/images/artifact5.jpg", price: 300 },
  { id: 6, name: "Ancient Greek Vase", description: "Depicts Greek mythology, found in the Acropolis.", location: "Athens, Greece", image: "/images/artifact6.jpg", price: 250 },
  { id: 7, name: "Incan Pendant", description: "Represents the Sun God Inti.", location: "India", image: "/images/artifact7.jpg", price: 175 },
  { id: 8, name: "Persian Carpet Fragment", description: "Ancient Persian artistry.", location: "Petra, Jordan", image: "/images/artifact8.jpg", price: 400 },
  { id: 9, name: "Stone Buddha", description: "Authentic stone Buddha carving.", location: "India", image: "/images/artifact9.jpg", price: 220 },
  { id: 10, name: "Victorian Brooch", description: "A beautiful Victorian-era brooch with a ruby centre.", location: "Oxford, England", image: "/images/artifact10.jpg", price: 150 },
  { id: 11, name: "Ancient Scroll", description: "A mysterious scroll from ancient times.", location: "Madrid, Spain", image: "/images/artifact11.jpg", price: 500 },
  { id: 12, name: "Ming Dynasty Porcelain", description: "Porcelain from China's Ming Dynasty.", location: "Beijing, China", image: "/images/artifact12.jpg", price: 300 },
  { id: 13, name: "African Tribal Mask", description: "A unique tribal mask from Africa.", location: "Nigeria", image: "/images/artifact13.jpg", price: 250 },
  { id: 14, name: "Crystal Skull", description: "A mystical pre-Columbian artifact.", location: "Colombia", image: "/images/artifact14.jpg", price: 1000 },
  { id: 15, name: "Medieval Armor Fragment", description: "A fragment of medieval armor.", location: "Normandy, France", image: "/images/artifact15.jpg", price: 400 },
];

// Modal Component
const Modal = ({ artifact, onClose }) => {
  if (!artifact) return null;

  const handleOverlayClick = (e) => {
    if (e.target === e.currentTarget) {
      onClose();
    }
  };

  return (
    <div
      className="fixed inset-0 bg-gray-900 bg-opacity-50 flex justify-center items-center z-50"
      onClick={handleOverlayClick}>
      <div className="bg-white rounded-md shadow-lg max-w-lg w-full p-6">
        <h3 className="text-xl font-bold mb-4">{artifact.name}</h3>
        <img src={artifact.image} alt={artifact.name} className="w-full h-64 object-cover rounded-md mb-4" />
        <p className="text-gray-600 mb-2">{artifact.description}</p>
        <p className="text-gray-500 font-bold mb-4">Location: {artifact.location}</p>
        <p className="text-red-600 font-bold">Price: ${artifact.price}</p>
        <div className="flex justify-end gap-4 mt-6">
          <button
            onClick={() => alert("Reserved Successfully!")}
            className="px-4 py-2 bg-yellow-500 text-white rounded-md hover:bg-yellow-400">
            Reserve
          </button>
          <button
            onClick={() => alert("Purchased Successfully!")}
            className="px-4 py-2 bg-green-600 text-white rounded-md hover:bg-green-500">
            Buy
          </button>
          <button
            onClick={onClose}
            className="px-4 py-2 bg-gray-300 rounded-md hover:bg-gray-400">
            Close
          </button>
        </div>
      </div>
    </div>
  );
};

// ArtifactCard Component
const ArtifactCard = ({ artifact, onSelect }) => {
  const [selectedCurrency, setSelectedCurrency] = useState("USD");
  const conversionRates = { USD: 1, EUR: 0.94, GBP: 0.81 };
  const convertPrice = (price, currency) => (price * conversionRates[currency]).toFixed(2);
  const handleCurrencyChange = (e) => {
    setSelectedCurrency(e.target.value); // Update selected currency
    e.stopPropagation(); // Prevent the modal from opening on dropdown click
  };

  return (
    <div
      className="flex flex-col bg-white shadow-md rounded-md overflow-hidden cursor-pointer hover:scale-105 transition-transform"
      onClick={() => onSelect(artifact)} // Opens modal
      >
      <img src={artifact.image} alt={artifact.name} className="w-full h-56 object-cover" />
      <div className="p-4">
        <h3 className="text-lg font-bold">{artifact.name}</h3>
        <p className="text-gray-700 mb-2">{artifact.description}</p>
        <p className="text-gray-500 mb-2">{artifact.location}</p>
        <p className="text-red-600 font-bold text-md mt-4">
          {selectedCurrency}: {convertPrice(artifact.price, selectedCurrency)}
        </p>
        <select
          value={selectedCurrency}
          onChange={handleCurrencyChange} // Handles currency change
          className="border border-gray-300 rounded-lg px-3 py-1 text-sm items-left"
          onClick={(e) => e.stopPropagation()} // Prevents triggering the modal
          >
          <option value="USD">USD ($)</option>
          <option value="EUR">EUR (€)</option>
          <option value="GBP">GBP (£)</option>
        </select>
      </div>
    </div>
  );
};

// Shop Component
export default function Shop() {
  const [currentPage, setCurrentPage] = useState(1);
  const [selectedArtifact, setSelectedArtifact] = useState(null); // Track selected artifact for modal
  const artifactsPerPage = 9; // Number of artifacts per page
  const indexOfLastArtifact = currentPage * artifactsPerPage;
  const indexOfFirstArtifact = indexOfLastArtifact - artifactsPerPage;
  const currentArtifacts = artifacts.slice(indexOfFirstArtifact, indexOfLastArtifact);

  const handleNextPage = () => {
    if (indexOfLastArtifact < artifacts.length) {
      setCurrentPage((prev) => prev + 1);
    }
  };

  const handlePreviousPage = () => {
    if (currentPage > 1) {
      setCurrentPage((prev) => prev - 1);
    }
  };

  const handleSelectArtifact = (artifact) => {
    setSelectedArtifact(artifact); // Open modal with selected artifact
  };

  const handleCloseModal = () => {
    setSelectedArtifact(null); // Close modal
  };

  return (
    <div className="flex flex-col min-h-screen bg-gray-100">
      {/* Main Content */}
      <div className="flex flex-1">
        {/* Artifact Grid */}
        <div className="flex-grow grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-6 p-6 pr-72">
          {currentArtifacts.map((artifact) => (
            <ArtifactCard key={artifact.id} artifact={artifact} onSelect={handleSelectArtifact} />
          ))}
        </div>

        {/* Sidebar */}
        <aside className="w-72 bg-white shadow-lg p-4 h-screen fixed top-10 right-0 overflow-auto">
          <Sidebar
            logTitle="Artifact Collection"
            logSubtitle="Record new artifacts - name, description, image, location and price"
            recentsTitle="Recent Updates"
            events={[/* example events if needed */]}
            selectedEventId=""
            setSelectedEventId={() => {}}
            hoveredEventId=""
            setHoveredEventId={() => {}}
            button1Name="Add New Artifact"
            button2Name="Search Artifacts"
          />
        </aside>
      </div>

      {/* Pagination Footer */}
      <footer className="bg-white border-t border-gray-300 py-2 text-center w-full flex justify-center items-centre">
        <button
          onClick={handlePreviousPage}
          disabled={currentPage === 1}
          className={`mx-2 px-4 py-1 bg-blue-700 text-white rounded-md font-bold shadow-md ${
            currentPage === 1 ? "opacity-50 cursor-not-allowed" : "hover:bg-blue-600"
          }`} >
          &larr; Previous
        </button>
        <button
          onClick={handleNextPage}
          disabled={indexOfLastArtifact >= artifacts.length}
          className={`mx-2 px-4 py-1 bg-blue-500 text-white rounded-md font-bold shadow-md ${
            indexOfLastArtifact >= artifacts.length ? "opacity-50 cursor-not-allowed" : "hover:bg-blue-600"
          }`} >
          Next &rarr;
        </button>
      </footer>

      {/* Modal */}
      <Modal artifact={selectedArtifact} onClose={handleCloseModal} />
    </div>
  );
}