/*
Project: ChatGPT Web Interface
Developer: Molla Samser
Email: help@rskworld.in
Phone: +91 93305 39277
Address: Nutanhat, Mongolkote, Purba Burdwan, West Bengal, India, 713147
Website: https://rskworld.in/
Year: 2026
*/

import OpenAI from 'openai';

// Initialize OpenAI client
// Note: Using API key in browser is not recommended for production
// In production, create a backend API proxy to handle OpenAI requests securely
const openai = new OpenAI({
  apiKey: process.env.REACT_APP_OPENAI_API_KEY,
  dangerouslyAllowBrowser: true // Only for development/demo purposes
});

export const sendMessage = async (messages, settings = {}) => {
  const {
    model = 'gpt-3.5-turbo',
    temperature = 0.7,
    maxTokens = 1000
  } = settings;

  try {
    const response = await openai.chat.completions.create({
      model,
      messages: messages.map(msg => ({
        role: msg.isUser ? 'user' : 'assistant',
        content: msg.content
      })),
      temperature,
      max_tokens: maxTokens,
    });

    return {
      content: response.choices[0].message.content,
      isUser: false
    };
  } catch (error) {
    console.error('OpenAI API Error:', error);
    throw new Error(error.message || 'Failed to get response from OpenAI');
  }
};

export const sendMessageStream = async (messages, onChunk, settings = {}) => {
  const {
    model = 'gpt-3.5-turbo',
    temperature = 0.7,
    maxTokens = 1000
  } = settings;

  try {
    const stream = await openai.chat.completions.create({
      model,
      messages: messages.map(msg => ({
        role: msg.isUser ? 'user' : 'assistant',
        content: msg.content
      })),
      temperature,
      max_tokens: maxTokens,
      stream: true,
    });

    let fullContent = '';
    for await (const chunk of stream) {
      const content = chunk.choices[0]?.delta?.content || '';
      if (content) {
        fullContent += content;
        onChunk(fullContent);
      }
    }

    return {
      content: fullContent,
      isUser: false
    };
  } catch (error) {
    console.error('OpenAI API Error:', error);
    throw new Error(error.message || 'Failed to get response from OpenAI');
  }
};