// app/edit-item/[id]/actions.js
'use server';

import { supabase } from '@/lib/supabaseClient';
import { revalidatePath } from 'next/cache';

export async function updateItem(formData) {
  if (!supabase) {
    return { error: 'Supabase client is not initialized. Cannot update item.' };
  }
  
  const id = formData.get('id');
  if (!id) {
    return { error: 'Item ID is required for updating.' };
  }

  // The picture_url is now received directly from the client
  // after client-side upload to Supabase Storage if a new image was selected
  
  const updatedItem = {
    title: formData.get('title'),
    type: formData.get('type'),
    rating: formData.get('rating') ? parseInt(formData.get('rating'), 10) : null,
    notes: formData.get('notes'),
    picture_url: formData.get('picture_url'),
  };

  // Basic validation
  if (!updatedItem.title || !updatedItem.type) {
    return { error: 'Title and Type are required.' };
  }
  if (updatedItem.rating !== null && (updatedItem.rating < 1 || updatedItem.rating > 5)) {
    return { error: 'Rating must be between 1 and 5.' };
  }

  try {
    const { data, error } = await supabase
      .from('items')
      .update(updatedItem)
      .eq('id', id)
      .select(); // .select() to get the updated data back

    if (error) {
      console.error('Supabase update error:', error);
      return { error: `Failed to update item: ${error.message}` };
    }

    console.log('Item updated successfully:', data);
    revalidatePath('/'); // Revalidate the homepage to show the updated item
    
    return { 
      success: true, 
      message: 'Item updated successfully!', 
      updatedItem: data ? data[0] : null 
    };

  } catch (e) {
    console.error('Error in updateItem action:', e);
    return { error: 'An unexpected error occurred.' };
  }
}