"use client";

import Link from 'next/link';
import React, { useEffect, useState } from 'react';
import axios from 'axios';
import Cookies from 'universal-cookie';
import Swal from 'sweetalert2';
import { buildApiUrl } from '@/utils/BaseUrl.utils';
import { showMessage } from '@/utils/CommonFunction.utils';

interface BlogItem {
    id: number;
    title: string;
    slug: string;
    image: string;
    description: string;
    author: string;
    profile: string;
    date: string;
}

const Blog = () => {
    const [blogs, setBlogs] = useState<BlogItem[]>([]);
    const [loading, setLoading] = useState(true);

    const fetchBlogs = async () => {
        try {
            const res = await axios.get(buildApiUrl('blogs'));
            if (res.data && res.data.success) {
                setBlogs(res.data.data);
            }
        } catch (error) {
            console.error("Error fetching blogs:", error);
        } finally {
            setLoading(false);
        }
    };

    useEffect(() => {
        fetchBlogs();
    }, []);

    const handleDelete = async (id: number) => {
        try {
            const result = await Swal.fire({
                title: 'Are you sure?',
                text: "You won't be able to revert this!",
                icon: 'warning',
                showCancelButton: true,
                confirmButtonColor: '#3085d6',
                cancelButtonColor: '#d33',
                confirmButtonText: 'Yes, delete it!'
            });

            if (result.isConfirmed) {
                const cookies = new Cookies();
                const token = cookies.get('token');
                if (!token) {
                    showMessage('Access denied. Please sign in first.', 'error');
                    return;
                }

                await axios.delete(buildApiUrl(`blogs/${id}`), {
                    headers: {
                        Authorization: `Bearer ${token}`,
                    },
                });

                setBlogs(prev => prev.filter(b => b.id !== id));
                showMessage("Blog Deleted Successfully", "success");
            }
        } catch (error: any) {
            console.error("Error deleting blog:", error);
            showMessage(error?.response?.data?.message || "Error deleting blog", "error");
        }
    };

    const stripHtml = (htmlStr: string) => {
        if (!htmlStr) return '';
        return htmlStr.replace(/<[^>]*>/g, '');
    };

    if (loading) {
        return (
            <div className="flex items-center justify-center min-h-[400px]">
                <div className="animate-spin rounded-full h-12 w-12 border-t-2 border-b-2 border-blue-500"></div>
            </div>
        );
    }

    return (
        <div className="mt-10">
            <h3 className="mb-6 text-xl font-bold md:text-3xl">Blogs</h3>
            <div className="grid grid-cols-1 gap-5 sm:grid-cols-2 xl:grid-cols-4">
                {/* ✅ First box: Create New Blog */}
                <Link href="/create-blog" className="flex items-center justify-center space-y-5 rounded-md border border-dashed border-blue-500 bg-blue-50 p-5 text-center shadow hover:bg-blue-100 transition dark:border-blue-800 dark:bg-blue-900 dark:hover:bg-blue-800 min-h-[300px]">
                    <div>
                        <div className="mb-3 text-5xl text-blue-600 dark:text-white">+</div>
                        <h5 className="text-lg font-semibold text-blue-800 dark:text-white">Create New Blog</h5>
                    </div>
                </Link>
                {blogs.map((blog) => {
                    const cleanText = stripHtml(blog.description);
                    const excerpt = cleanText.length > 120 ? cleanText.substring(0, 120) + '...' : cleanText;
                    
                    return (
                        <div
                            key={blog.id}
                            className="flex flex-col justify-between space-y-4 rounded-md border border-white-light bg-white p-5 shadow-[0px_0px_2px_0px_rgba(145,158,171,0.20),0px_12px_24px_-4px_rgba(145,158,171,0.12)] dark:border-[#1B2E4B] dark:bg-black"
                        >
                            <div>
                                <div className="max-h-56 overflow-hidden rounded-md mb-4 bg-gray-100 flex items-center justify-center aspect-video">
                                    <img src={blog.image || '/assets/images/blog/image-1.jpg'} alt={blog.title} className="w-full h-full object-cover" />
                                </div>

                                <h5 className="text-lg font-semibold dark:text-white line-clamp-2" title={blog.title}>{blog.title}</h5>
                                <p className="text-sm text-gray-600 dark:text-gray-400 mt-2 line-clamp-3">{excerpt || 'No description provided.'}</p>
                                <p className="text-xs text-gray-400 mt-3">By {blog.author} on {blog.date}</p>
                            </div>

                            {/* ✅ Actions (View, Edit and Delete) */}
                            <div className="flex justify-between items-center pt-3 border-t border-gray-100 dark:border-gray-800 space-x-2">
                                <a
                                    href={`http://localhost:3000/blog-single?slug=${blog.slug}`}
                                    target="_blank"
                                    rel="noopener noreferrer"
                                    className="inline-block rounded-lg bg-blue-600 px-3 py-1.5 text-xs font-medium text-white hover:bg-blue-700 transition"
                                >
                                    View Blog
                                </a>
                                <div className="flex space-x-2">
                                    <Link
                                        href={`/edit-blog/${blog.id}`}
                                        className="inline-block rounded-lg bg-green-600 px-3 py-1.5 text-xs font-medium text-white hover:bg-green-700 transition"
                                    >
                                        Edit
                                    </Link>
                                    <button
                                        onClick={() => handleDelete(blog.id)}
                                        className="rounded-lg bg-red-600 px-3 py-1.5 text-xs font-medium text-white hover:bg-red-700 transition"
                                    >
                                        Delete
                                    </button>
                                </div>
                            </div>
                        </div>
                    );
                })}
            </div>
        </div>
    );
};

export default Blog;