/**
 * AI Configuration Service
 * 
 * Central registry for choosing which AI models handle specific tasks.
 * This can be updated by the user to switch between Lite/Pro or Free/Paid tiers.
 */

export type AiTask = 'SAV_OCR' | 'CHART_INTERPRETATION' | 'DASA_ANALYSIS' | 'LIFE_SUMMARY';

export const AI_CONFIG = {
  tasks: {
    'SAV_OCR': {
      primary: 'gemini-3.1-flash-lite',
      secondary: 'gemini-2.5-flash-lite',
      fallbackStrategy: 'sequential' as const,
    },
    'CHART_INTERPRETATION': {
      primary: 'gemini-3.1-pro',
      secondary: 'gemini-2.5-flash',
      fallbackStrategy: 'sequential' as const,
    }
  },
  
  // Environment variable keys
  keys: {
    gemini: import.meta.env.VITE_GEMINI_API_KEY,
  }
};

/**
 * Gets the current preferred models for a given task.
 */
export function getModelsForTask(task: AiTask) {
  return AI_CONFIG.tasks[task as keyof typeof AI_CONFIG.tasks] || AI_CONFIG.tasks['SAV_OCR'];
}