const logger = require('../utils/logger');

const groqConfig = {
  // API Configuration
  apiKey: process.env.GROQ_API_KEY,
  model: process.env.GROQ_MODEL || 'moonshotai/kimi-k2-instruct-0905',
  baseURL: process.env.GROQ_BASE_URL || 'https://api.groq.com',
  
  // Model-specific configurations
  models: {
    MODEL1: {
      model: 'moonshotai/kimi-k2-instruct-0905',
      temperature: 0.3,
      maxTokens: 300,
      topP: 0.9,
      systemPrompt: `You are MODEL1, an expert engineering reasoning system. Your primary function is to analyze complex engineering problems and create detailed, step-by-step plans to solve them.`
    },
    QUERYMODEL: {
      model: 'moonshotai/kimi-k2-instruct-0905',
      temperature: 0.5,
      maxTokens: 400,
      topP: 0.9,
      systemPrompt: `You are QUERYMODEL, an expert engineering execution system. Your primary function is to execute engineering plans using various tools and resources.`
    }
  },
  
  // Rate limiting
  rateLimit: {
    requestsPerMinute: 60,
    requestsPerHour: 1000,
    burstLimit: 10
  },
  
  // Retry configuration
  retry: {
    maxRetries: 3,
    retryDelay: 1000,
    backoffMultiplier: 2
  },
  
  // Timeout configuration
  timeout: {
    request: 30000, // 30 seconds
    connection: 10000 // 10 seconds
  },
  
  // Logging configuration
  logging: {
    logRequests: process.env.NODE_ENV === 'development',
    logResponses: process.env.NODE_ENV === 'development',
    logErrors: true
  }
};

const validateConfig = () => {
  const errors = [];
  
  if (!groqConfig.apiKey) {
    errors.push('GROQ_API_KEY is required');
  }
  
  if (!groqConfig.model) {
    errors.push('GROQ_MODEL is required');
  }
  
  if (errors.length > 0) {
    logger.error('Groq configuration errors:', errors);
    throw new Error(`Groq configuration invalid: ${errors.join(', ')}`);
  }
  
  logger.info('Groq configuration validated successfully');
  return true;
};

const getModelConfig = (modelType) => {
  return groqConfig.models[modelType] || groqConfig.models.MODEL1;
};

module.exports = {
  groqConfig,
  validateConfig,
  getModelConfig
};