import { prisma } from '@/lib/db';
import { getSession } from '@/lib/auth';
import { redirect } from 'next/navigation';
import { Trash2, Plus, Briefcase, Edit, X } from 'lucide-react';
import { addServiceItem, deleteServiceItem, updateServiceItem } from '../actions';
import { revalidatePath } from 'next/cache';
import { uploadImage } from '@/lib/cloudinary';
import Link from 'next/link';

export default async function ServicesAdminPage({ searchParams }: { searchParams: Promise<{ edit?: string }> }) {
  const session = await getSession();
  if (!session) redirect('/admin/login');

  const { edit } = await searchParams;

  const services = await prisma.service.findMany({
    orderBy: { createdAt: 'desc' }
  });

  const editingService = edit ? services.find(s => s.id === edit) : null;

  return (
    <div>
      <div className="flex justify-between items-center mb-8">
        <h1 className="text-3xl font-bold">Hizmetlerimiz Yönetimi</h1>
      </div>

      <div className="grid grid-cols-1 lg:grid-cols-3 gap-8">
        {/* Ekleme / Düzenleme Formu */}
        <div className="lg:col-span-1">
          <div className="bg-white dark:bg-slate-900 rounded-2xl shadow-sm border border-slate-200 dark:border-slate-800 p-6 sticky top-8">
            <div className="flex justify-between items-center mb-6">
              <h2 className="text-xl font-bold">{editingService ? "Hizmeti Düzenle" : "Yeni Hizmet Ekle"}</h2>
              {editingService && (
                <Link href="/admin/services" className="text-slate-400 hover:text-slate-600">
                  <X className="w-5 h-5" />
                </Link>
              )}
            </div>
            
            <form action={async (formData: FormData) => {
              'use server';
              const id = formData.get('id') as string;
              const title = formData.get('title') as string;
              const description = formData.get('description') as string;
              const iconFile = formData.get('icon') as File;
              
              if (title && description) {
                let iconUrl = editingService?.iconUrl || '';
                if (iconFile && iconFile.size > 0) {
                  iconUrl = await uploadImage(iconFile);
                }
                
                if (id) {
                  await updateServiceItem(id, { title, description, iconUrl });
                } else {
                  await addServiceItem({ title, description, iconUrl });
                }
                
                revalidatePath('/admin/services');
                redirect('/admin/services');
              }
            }} className="space-y-4">
              
              {editingService && <input type="hidden" name="id" value={editingService.id} />}

              <div>
                <label className="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-1">Başlık</label>
                <input type="text" name="title" defaultValue={editingService?.title || ""} required className="w-full px-4 py-2 bg-slate-50 dark:bg-slate-800 border border-slate-200 dark:border-slate-700 rounded-lg outline-none focus:ring-2 focus:ring-blue-500" />
              </div>
              <div>
                <label className="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-1">Açıklama</label>
                <textarea name="description" defaultValue={editingService?.description || ""} required rows={4} className="w-full px-4 py-2 bg-slate-50 dark:bg-slate-800 border border-slate-200 dark:border-slate-700 rounded-lg outline-none focus:ring-2 focus:ring-blue-500"></textarea>
              </div>
              <div>
                <label className="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-1">Resim Yükle {editingService ? "(Değiştirmek için seçin)" : ""}</label>
                <input type="file" name="icon" accept="image/*" required={!editingService} className="w-full px-4 py-2 bg-slate-50 dark:bg-slate-800 border border-slate-200 dark:border-slate-700 rounded-lg outline-none focus:ring-2 focus:ring-blue-500 file:mr-4 file:py-2 file:px-4 file:rounded-full file:border-0 file:text-sm file:font-semibold file:bg-purple-50 file:text-purple-700 hover:file:bg-purple-100" />
                {editingService?.iconUrl && (
                  <div className="mt-2 text-xs text-slate-500">Mevcut resim korunuyor. Yeni resim seçerseniz değiştirilecektir.</div>
                )}
              </div>
              <button type="submit" className="w-full flex items-center justify-center space-x-2 bg-purple-600 hover:bg-purple-700 text-white py-2.5 rounded-lg transition-colors">
                {editingService ? <Edit className="w-5 h-5" /> : <Plus className="w-5 h-5" />}
                <span>{editingService ? "Güncelle" : "Ekle"}</span>
              </button>
            </form>
          </div>
        </div>

        {/* Listeleme */}
        <div className="lg:col-span-2">
          <div className="bg-white dark:bg-slate-900 rounded-2xl shadow-sm border border-slate-200 dark:border-slate-800 p-6">
            <h2 className="text-xl font-bold mb-6">Mevcut Hizmetler ({services.length})</h2>
            
            <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
              {services.map(item => (
                <div key={item.id} className="group relative rounded-xl overflow-hidden border border-slate-200 dark:border-slate-700 bg-slate-50 dark:bg-slate-800">
                  <div className="aspect-video w-full overflow-hidden bg-slate-200 dark:bg-slate-700">
                    {item.iconUrl ? (
                      // eslint-disable-next-line @next/next/no-img-element
                      <img src={item.iconUrl} alt={item.title} className="w-full h-full object-cover" />
                    ) : (
                      <div className="w-full h-full flex items-center justify-center">
                        <Briefcase className="w-8 h-8 text-slate-400" />
                      </div>
                    )}
                  </div>
                  <div className="p-4">
                    <h3 className="font-semibold text-slate-800 dark:text-white text-lg">{item.title}</h3>
                    <p className="text-sm text-slate-500 dark:text-slate-400 mt-1 whitespace-pre-wrap line-clamp-3">{item.description}</p>
                  </div>
                  <div className="absolute top-2 right-2 flex space-x-2 opacity-0 group-hover:opacity-100 transition-opacity">
                    <Link href={`/admin/services?edit=${item.id}`} className="p-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg shadow-lg transition-colors">
                      <Edit className="w-4 h-4" />
                    </Link>
                    <form action={async () => {
                      'use server';
                      await deleteServiceItem(item.id);
                      revalidatePath('/admin/services');
                    }}>
                      <button type="submit" className="p-2 bg-red-600 hover:bg-red-700 text-white rounded-lg shadow-lg transition-colors">
                        <Trash2 className="w-4 h-4" />
                      </button>
                    </form>
                  </div>
                </div>
              ))}
              {services.length === 0 && (
                <div className="col-span-full py-8 text-center text-slate-500">
                  Henüz hizmet eklenmemiş.
                </div>
              )}
            </div>
          </div>
        </div>
      </div>
    </div>
  );
}
