import { NextRequest, NextResponse } from 'next/server';
import { db } from '@/lib/db';
import crypto from 'crypto';

export async function POST(req: NextRequest) {
    try {
        const { name } = await req.json();

        if (!name || name.length < 3) {
            return NextResponse.json({ error: 'Firma adı en az 3 karakter olmalıdır.' }, { status: 400 });
        }

        // Generate a 10-char ID
        const short_id = crypto.randomBytes(5).toString('hex');
        const api_key = crypto.randomBytes(24).toString('hex'); // Secure API Key

        // Insert into database
        const result = await db.query(
            `INSERT INTO merchants (name, short_id, api_key) 
             VALUES ($1, $2, $3) 
             RETURNING *`,
            [name, short_id, api_key]
        );

        const merchant = result.rows[0];

        return NextResponse.json({
            success: true,
            merchantId: merchant.id,
            shortId: merchant.short_id,
            apiKey: merchant.api_key
        });
    } catch (err: any) {
        console.error('[Registration Error]:', err.message);
        return NextResponse.json({ error: 'Sunucu hatası: ' + err.message }, { status: 500 });
    }
}