frontend/src/components/SearchHistory.js

import React, { useEffect, useState } from 'react';
import { Clock, X } from 'lucide-react';

const SearchHistory = ({ onSelectBook, onClose }) => {
    const [history, setHistory] = useState([]);

    useEffect(() => {
        const saved = JSON.parse(localStorage.getItem('searchHistory') || '[]');
        setHistory(saved.reverse());
    }, []);

    const clearHistory = () => {
        localStorage.setItem('searchHistory', '[]');
        setHistory([]);
    };

    const removeItem = (book) => {
        const updated = history.filter(h => h.title !== book.title);
        setHistory(updated);
        localStorage.setItem('searchHistory', JSON.stringify(updated.reverse()));
    };

    if (history.length === 0) return null;

    return (
        <div className="absolute top-full left-0 right-0 mt-2 bg-white border-2 border-border rounded-2xl shadow-2xl z-50 overflow-hidden max-h-96 overflow-y-auto">
            <div className="sticky top-0 bg-gradient-to-r from-[#0369a1] to-[#0891b2] text-white px-4 py-3 flex items-center justify-between">
                <div className="flex items-center gap-2">
                    <Clock size={16} />
                    <span className="font-semibold">Recent Searches</span>
                </div>
                <button
                    onClick={clearHistory}
                    className="text-xs px-2 py-1 bg-white/20 hover:bg-white/30 rounded transition-all"
                >
                    Clear
                </button>
            </div>

            <div>
                {history.map((item, i) => (
                    <button
                        key={i}
                        onClick={() => {
                            onSelectBook(item.title);
                            onClose();
                        }}
                        className="w-full flex items-center gap-3 p-3 hover:bg-bg-hover transition-all border-b border-border/50 last:border-0 group"
                    >
                        <img
                            src={item.image_url}
                            alt={item.title}
                            className="w-10 h-14 object-cover rounded shadow-sm group-hover:scale-105 transition-transform"
                        />
                        <div className="flex-1 text-left">
                            <div className="font-semibold text-text-primary text-sm line-clamp-1">{item.title}</div>
                            <div className="text-xs text-text-secondary">{item.author}</div>
                        </div>
                        <button
                            onClick={(e) => {
                                e.stopPropagation();
                                removeItem(item);
                            }}
                            className="opacity-0 group-hover:opacity-100 transition-opacity"
                        >
                            <X size={16} className="text-text-muted" />
                        </button>
                    </button>
                ))}
            </div>
        </div>
    );
};

export default SearchHistory;