import { useState, useEffect } from 'react'
import { Link } from 'react-router-dom'
import Navbar from '../components/Navbar'
import Footer from '../components/Footer'
import DynamicPageRenderer from '../components/DynamicPageRenderer'
import { API_BASE, type Category, type Article, type PageSection } from '../types'

export default function ScentGuidePage() {
  const [categories, setCategories] = useState<Category[]>([])
  const [articles, setArticles] = useState<Article[]>([])
  const [cmsSections, setCmsSections] = useState<PageSection[]>([])

  useEffect(() => {
    fetch(`${API_BASE}/categories`).then(r => r.json()).then(setCategories).catch(console.error)
    fetch(`${API_BASE}/articles?publishedOnly=true`).then(r => r.json()).then(setArticles).catch(console.error)
  }, [])

  useEffect(() => {
    fetch(`${API_BASE}/pages/scent-guide-layout`)
      .then((r) => {
        if (!r.ok) throw new Error('Page not found');
        return r.json();
      })
      .then((data) => {
        if (data && data.sections) {
          setCmsSections(data.sections);
        }
      })
      .catch((err) => {
        console.log('Scent guide dynamic layout sections not loaded:', err.message);
      });
  }, [])

  const announcementSections = cmsSections.filter(s => s.isActive && s.type.toUpperCase() === 'ANNOUNCEMENT_BAR');
  const heroSections = cmsSections.filter(s => s.isActive && (s.type.toUpperCase() === 'HERO' || s.type.toUpperCase() === 'BANNER'));
  const bottomSections = cmsSections.filter(s => s.isActive && s.type.toUpperCase() !== 'ANNOUNCEMENT_BAR' && s.type.toUpperCase() !== 'HERO' && s.type.toUpperCase() !== 'BANNER');

  return (
    <div className="min-h-screen flex flex-col">
      {announcementSections.length > 0 && (
        <DynamicPageRenderer
          sections={announcementSections}
          categories={categories}
          categoriesLoading={false}
        />
      )}

      <Navbar categories={categories} />

      {/* Header */}
      {heroSections.length > 0 ? (
        <div className="pt-20">
          <DynamicPageRenderer
            sections={heroSections}
            categories={categories}
            categoriesLoading={false}
          />
        </div>
      ) : (
        <div className="pt-32 pb-16 px-6 text-center space-y-4 border-b border-spa-stone/10 bg-white">
          <p className="text-spa-forest uppercase tracking-[0.4em] text-xs font-semibold opacity-70">Journal</p>
          <h1 className="text-5xl font-bold">Scent Guide</h1>
          <p className="text-slate-400 max-w-lg mx-auto">
            Explore our collection of articles, guides, and sensory knowledge.
          </p>
        </div>
      )}

      <div className="flex-1 max-w-7xl mx-auto px-6 py-16 w-full">
        {articles.length === 0 ? (
          <div className="text-center text-slate-500 italic py-20">
            Articles coming soon. Check back later!
          </div>
        ) : (
          <div className="grid grid-cols-1 md:grid-cols-3 gap-8">
            {articles.map(article => (
              <Link 
                key={article.id} 
                to={`/article/${article.slug}`}
                className="group block bg-pop-bg rounded-2xl overflow-hidden border border-spa-stone/10 hover:border-spa-forest transition-all duration-300 hover:-translate-y-1 hover:shadow-2xl flex flex-col"
              >
                <div className="aspect-[4/3] bg-white overflow-hidden shrink-0">
                  {article.coverImage ? (
                    <img src={article.coverImage} alt={article.title} className="w-full h-full object-cover opacity-80 group-hover:opacity-100 group-hover:scale-105 transition-all duration-500" />
                  ) : (
                    <div className="w-full h-full bg-white/5 flex items-center justify-center">
                      <span className="text-slate-600 text-sm tracking-widest uppercase">No Image</span>
                    </div>
                  )}
                </div>
                <div className="p-6 space-y-3 flex-1 flex flex-col">
                  <p className="text-[10px] text-spa-forest font-bold tracking-widest uppercase">
                    {new Date(article.createdAt).toLocaleDateString()}
                  </p>
                  <h3 className="text-xl font-bold leading-tight group-hover:text-spa-forest transition-colors">{article.title}</h3>
                  {/* Remove HTML tags for purely excerpt preview */}
                  <div className="text-slate-400 text-sm line-clamp-3" dangerouslySetInnerHTML={{ __html: article.content }} />
                </div>
              </Link>
            ))}
          </div>
        )}
      </div>

      {bottomSections.length > 0 && (
        <DynamicPageRenderer
          sections={bottomSections}
          categories={categories}
          categoriesLoading={false}
        />
      )}

      <Footer categories={categories} />
    </div>
  )
}