'use client';

import { useState, useEffect } from 'react';
import Header from "@/components/Header";
import Footer from "@/components/Footer";
import { dataStore } from '@/lib/dataStore';
import type { Document } from '@/data/documents';

export default function Documents() {
  const [documents, setDocuments] = useState<Document[]>([]);
  const [selectedCategory, setSelectedCategory] = useState('all');

  useEffect(() => {
    setDocuments(dataStore.getDocuments());
  }, []);

  const categories = [
    { id: 'all', name: 'Tümü', icon: '📋' },
    { id: 'ihale', name: 'İhale Belgeleri', icon: '📄' },
    { id: 'teknik', name: 'Teknik Dökümanlar', icon: '📐' },
    { id: 'cevresel', name: 'Çevresel Etki', icon: '🌱' },
    { id: 'raporlar', name: 'İlerleme Raporları', icon: '📊' },
    { id: 'guvenlik', name: 'Güvenlik', icon: '🛡️' },
  ];

  const filteredDocs = selectedCategory === 'all' ? documents : documents.filter(d => d.category === selectedCategory);

  const getFileIcon = (type: string) => {
    switch (type) {
      case 'PDF': return '📕';
      case 'DWG': return '📐';
      case 'XLSX': return '📊';
      case 'DOCX': return '📝';
      default: return '📄';
    }
  };

  return (
    <div className="min-h-screen bg-[#003366]">
      <Header />
      <main className="pt-24 md:pt-32 pb-16">
        <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
          <div className="text-center mb-12">
            <h1 className="text-4xl font-bold text-white mb-4">Belgeler</h1>
            <p className="text-lg text-white">A2 Metro Hattı proje belgeleri</p>
          </div>
          
          <div className="flex flex-wrap justify-center gap-2 md:gap-3 mb-12">
            {categories.map((cat) => (
              <button
                key={cat.id}
                onClick={() => setSelectedCategory(cat.id)}
                className={`px-3 py-2 md:px-6 md:py-3 rounded-full font-semibold text-sm md:text-base transition-all ${
                  selectedCategory === cat.id ? 'bg-[#00B4D8] text-white shadow-lg scale-105' : 'bg-white text-[#004B87] hover:bg-gray-100'
                }`}
              >
                <span className="mr-1">{cat.icon}</span>
                <span className="hidden sm:inline">{cat.name}</span>
                <span className="sm:hidden">{cat.name.split(' ')[0]}</span>
              </button>
            ))}
          </div>

          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
            {filteredDocs.map((doc) => (
              <div key={doc.id} className="bg-white rounded-2xl p-6">
                <div className="text-4xl mb-4">{getFileIcon(doc.type)}</div>
                <h3 className="text-xl font-bold text-[#004B87] mb-2">{doc.title}</h3>
                <p className="text-gray-600 text-sm mb-4">{doc.description}</p>
                <div className="text-xs text-gray-500 mb-4">
                  <div>{doc.date}</div>
                  <div>{doc.size}</div>
                </div>
                <button className="w-full bg-[#00B4D8] text-white py-2 rounded-lg">İndir</button>
              </div>
            ))}
          </div>
        </div>
      </main>
      <Footer />
    </div>
  );
}