import { NextResponse } from 'next/server';
import fs from 'fs';
import path from 'path';

export interface Category {
  value: string;
  label: string;
}

// GET /api/categories - Fetch categories from categories.txt
export async function GET() {
  try {
    const filePath = path.join(process.cwd(), 'categories.txt');
    const content = fs.readFileSync(filePath, 'utf-8');

    const categories: Category[] = content
      .split('\n')
      .map((line) => line.trim())
      .filter((line) => line.includes('='))
      .map((line) => {
        const [value, label] = line.split('=');
        return { value: value.trim(), label: label.trim() };
      });

    return NextResponse.json({ success: true, data: categories });
  } catch (error) {
    console.error('Error reading categories:', error);
    return NextResponse.json(
      { success: false, error: 'Could not load categories' },
      { status: 500 }
    );
  }
}