"use client";

import { motion } from 'framer-motion';
import { ExternalLink, Calendar, Tag, ArrowLeft, Github as GithubIcon } from 'lucide-react';
import Link from 'next/link';
import { useParams } from 'next/navigation';
import { useState, useEffect } from 'react';
import ReactMarkdown from 'react-markdown';

interface Project {
  id: number;
  title: string;
  description: string;
  content: string;
  tags: string[];
  featured: boolean;
  category: string;
  date: string;
  github?: string;
  live?: string;
}

const ProjectDetail = () => {
  const params = useParams();
  const slug = params.slug as string;
  const [project, setProject] = useState<Project | null>(null);

  // Load project from localStorage by slug
  useEffect(() => {
    const savedProjects = localStorage.getItem('portfolio-projects');
    if (savedProjects) {
      const projects = JSON.parse(savedProjects);
      const foundProject = projects.find((p: Project) => 
        p.title.toLowerCase().replace(/[^a-z0-9]+/g, '-') === slug
      );
      if (foundProject) {
        setProject(foundProject);
      }
    }
  }, [slug]);

  if (!project) {
    return (
      <div className="min-h-screen animated-bg flex items-center justify-center">
        <div className="text-center">
          <div className="animate-spin rounded-full h-32 w-32 border-b-2 border-blue-500 mx-auto mb-4"></div>
          <p className="text-gray-400">Loading project...</p>
        </div>
      </div>
    );
  }

  return (
    <div className="min-h-screen animated-bg">
      <div className="max-w-4xl mx-auto px-4 py-20">
        {/* Header */}
        <motion.div
          initial={{ opacity: 0, y: 30 }}
          animate={{ opacity: 1, y: 0 }}
          transition={{ duration: 0.8 }}
          className="mb-12"
        >
          <Link
            href="/projects"
            className="inline-flex items-center space-x-2 text-blue-400 hover:text-blue-300 transition-colors mb-6"
          >
            <ArrowLeft size={20} />
            <span>Back to Projects</span>
          </Link>
          
          <div className="flex items-center justify-between mb-6">
            <h1 className="text-4xl md:text-5xl font-bold gradient-text">
              {project.title}
            </h1>
            {project.featured && (
              <span className="px-4 py-2 bg-gradient-to-r from-blue-500 to-purple-500 text-white text-sm font-semibold rounded-full">
                Featured
              </span>
            )}
          </div>
          
          <p className="text-xl text-gray-400 mb-6">
            {project.description}
          </p>

          {/* Project Meta */}
          <div className="flex flex-wrap items-center gap-6 text-gray-400 mb-8">
            <div className="flex items-center space-x-2">
              <Calendar size={20} />
              <span>{project.date}</span>
            </div>
            <div className="flex items-center space-x-2">
              <Tag size={20} />
              <span>{project.category}</span>
            </div>
          </div>

          {/* Tags */}
          <div className="flex flex-wrap gap-3 mb-8">
            {project.tags.map((tag) => (
              <span
                key={tag}
                className="px-4 py-2 bg-gray-800/50 text-gray-300 rounded-full border border-gray-700"
              >
                {tag}
              </span>
            ))}
          </div>

          {/* Action Buttons */}
          <div className="flex flex-wrap gap-4">
            <motion.a
              href={project.github}
              target="_blank"
              rel="noopener noreferrer"
              whileHover={{ scale: 1.05 }}
              whileTap={{ scale: 0.95 }}
              className="inline-flex items-center space-x-2 px-6 py-3 bg-gray-800/50 hover:bg-gray-700/50 text-white rounded-lg transition-colors border border-gray-700"
            >
              <GithubIcon size={20} />
              <span>View Code</span>
            </motion.a>
            
            {project.live !== "#" && (
              <motion.a
                href={project.live}
                target="_blank"
                rel="noopener noreferrer"
                whileHover={{ scale: 1.05 }}
                whileTap={{ scale: 0.95 }}
                className="inline-flex items-center space-x-2 px-6 py-3 bg-blue-600 hover:bg-blue-700 text-white rounded-lg transition-colors"
              >
                <ExternalLink size={20} />
                <span>Live Demo</span>
              </motion.a>
            )}
          </div>
        </motion.div>

        {/* Project Content */}
        <motion.div
          initial={{ opacity: 0, y: 30 }}
          animate={{ opacity: 1, y: 0 }}
          transition={{ duration: 0.8, delay: 0.2 }}
          className="glass-card p-8 rounded-2xl"
        >
          <div className="markdown prose prose-invert max-w-none text-white">
            <ReactMarkdown
              components={{
                h1: ({children}) => <h1 className="text-3xl font-bold text-white mb-4">{children}</h1>,
                h2: ({children}) => <h2 className="text-2xl font-semibold text-white mb-3">{children}</h2>,
                h3: ({children}) => <h3 className="text-xl font-semibold text-white mb-2">{children}</h3>,
                p: ({children}) => <p className="text-gray-300 mb-3 leading-relaxed">{children}</p>,
                ul: ({children}) => <ul className="list-disc list-inside text-gray-300 mb-3 space-y-1">{children}</ul>,
                ol: ({children}) => <ol className="list-decimal list-inside text-gray-300 mb-3 space-y-1">{children}</ol>,
                li: ({children}) => <li className="text-gray-300">{children}</li>,
                a: ({href, children}) => (
                  <a href={href} className="text-blue-400 hover:text-blue-300 underline transition-colors" target="_blank" rel="noopener noreferrer">
                    {children}
                  </a>
                ),
                code: ({children}) => <code className="bg-gray-800 text-blue-400 px-2 py-1 rounded text-sm">{children}</code>,
                pre: ({children}) => <pre className="bg-gray-800 p-4 rounded-lg overflow-x-auto mb-3">{children}</pre>,
                blockquote: ({children}) => <blockquote className="border-l-4 border-blue-500 pl-4 italic text-gray-300 mb-3">{children}</blockquote>,
                strong: ({children}) => <strong className="font-semibold text-white">{children}</strong>,
                em: ({children}) => <em className="italic text-gray-300">{children}</em>
              }}
            >
              {project.content}
            </ReactMarkdown>
          </div>
        </motion.div>
      </div>
    </div>
  );
};

export default ProjectDetail;