import path from 'path';
import os from 'os';

// Detect environment
const IS_PROD = process.env.NODE_ENV === 'production';
const IS_DOCKER = process.env.DOCKER === 'true' || process.env.HF_SPACE === 'true';

/**
 * Data paths configuration
 * In production (HF Spaces/Docker): uses /app/data
 * In development: uses local Desktop paths
 */
export const DROPZONE_PATH = IS_PROD || IS_DOCKER
  ? path.resolve('/app/data/dropzone')
  : path.join(os.homedir(), 'Desktop', 'WidgeTDC_DropZone');

export const VIDENSARKIV_PATH = IS_PROD || IS_DOCKER
  ? path.resolve('/app/data/vidensarkiv')
  : path.join(os.homedir(), 'Desktop', 'vidensarkiv');

export const AGENTS_PATH = IS_PROD || IS_DOCKER
  ? path.resolve('/app/data/agents')
  : path.join(process.cwd(), 'agents');

export const DATA_ROOT = IS_PROD || IS_DOCKER
  ? path.resolve('/app/data')
  : path.join(os.homedir(), 'Desktop');

// Export environment flags for convenience
export const config = {
  isProduction: IS_PROD,
  isDocker: IS_DOCKER,
  paths: {
    dropzone: DROPZONE_PATH,
    vidensarkiv: VIDENSARKIV_PATH,
    agents: AGENTS_PATH,
    dataRoot: DATA_ROOT
  },
  server: {
    port: parseInt(process.env.PORT || '7860', 10),
    host: '0.0.0.0'
  }
};

export default config;