const axios = require('axios');
const { v4: uuidv4 } = require('uuid');

async function aichat(question, { model = 'gpt-5-nano' } = {}) {
    try {
        const _model = {
            'gpt-4o-mini': '25865',
            'gpt-5-nano': '25871',
            'gemini': '25874',
            'deepseek': '25873',
            'claude': '25875',
            'grok': '25872',
            'meta-ai': '25870',
            'qwen': '25869'
        };
        
        if (!question) throw new Error('Question is required.');
        if (!_model[model]) throw new Error(`Available models: ${Object.keys(_model).join(', ')}.`);
        
        const { data: html } = await axios.post(`https://px.nekolabs.my.id/${encodeURIComponent('https://chatgptfree.ai/')}`);
        const nonce = html.data.content.match(/"nonce"\s*:\s*"([^&]+)"/);
        if (!nonce) throw new Error('Nonce not found.');
        
        const { data } = await axios.post(`https://px.nekolabs.my.id/${encodeURIComponent('https://chatgptfree.ai/wp-admin/admin-ajax.php')}`, new URLSearchParams({
            action: 'aipkit_frontend_chat_message',
            _ajax_nonce: nonce[1],
            bot_id: _model[model],
            session_id: uuidv4(),
            conversation_uuid: uuidv4(),
            post_id: '6',
            message: question
        }).toString(), {
            headers: {
                origin: 'https://chatgptfree.ai',
                referer: 'https://chatgptfree.ai/',
                'user-agent': 'Mozilla/5.0 (Linux; Android 15; SM-F958 Build/AP3A.240905.015) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.6723.86 Mobile Safari/537.36'
            }
        });
        
        return data.data.content.data.reply;
    } catch (error) {
        throw new Error(error.message);
    }
};

// Usage:
const resp = await aichat('hai! model ai apa yang kamu gunakan?', { model: 'claude' }):
console.log(resp);