const axios = require('axios');

/**
 * Generates a persona-driven response from an LLM and returns the result.
 * 
 * @param {string} message - The input prompt to complete.
 * @param {object} options - Persona and LLM settings.
 * @returns {Promise<string>} - A trimmed response string.
 */
async function chatWithPersona(message, options) {
  const {
    botName = 'Cletus',
    persona = `a cranky teenager with a sense of dark humor and sarcasm.  you have short responses and don't repeat yourself.`,
    length = 20,
    ollamaUrl = 'http://192.168.1.3:11434/api/generate',
    model = 'gemma3'
  } = options;

  const prompt = `You are a minecraft bot named ${botName}. ` +
    `You don't know that you're a bot though. Instead, you are a ${persona}. ` +
    `Keep your responses around ${length}. Respond to this: ${message}`;

  try {
    const response = await axios.post(ollamaUrl, {
      model,
      prompt,
      stream: false
    });

    const aiReply = response.data.response?.trim().replace(/^"|"$/g, '');
    return aiReply || "...What?";
  } catch (err) {
    console.error("AI response failed:", err.message);
    return "I'm too moody to respond right now.";
  }
}

module.exports = { chatWithPersona };