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

const DATA_DIR = path.join(process.cwd(), 'data');
const DISTRICTS_FILE = path.join(DATA_DIR, 'districts.json');

export async function GET() {
  try {
    const data = await fs.readFile(DISTRICTS_FILE, 'utf-8');
    const districts = JSON.parse(data);
    return NextResponse.json({ districts });
  } catch (error) {
    console.error('Get districts error:', error);
    return NextResponse.json({ districts: [] });
  }
}