/**
 * Simple baseline normalization utility
 * Replaces dynamic values with placeholders for consistent baseline comparison
 */

export class BaselineNormalizer {
  /**
   * Normalize CLI output by replacing dynamic values with placeholders
   */
  static normalize(output: string): string {
    let result = output;

    // Replace deprecation warnings first
    result = result.replace(/\(node:\d+\) \[DEP\d+\] DeprecationWarning: [^\n]+\n/g, '');
    result = result.replace(/\(Use `node --trace-deprecation[^\n]+\n/g, '');

    // Remove beta version warning
    result = result.replace(/You are running beta version[^\n]+\n/g, '');
    
    // Replace environment
    result = result.replace(/Active environment: \w+/g, 'Active environment: <ENVIRONMENT>');
    
    // Replace user-specific data
    result = result.replace(/id: [a-f0-9-]{36}/g, 'id: <USER_ID>');
    result = result.replace(/email: [^\s]+@[^\s]+/g, 'email: <USER_EMAIL>');
    result = result.replace(/role: [^\n]+/g, 'role: <ROLE>');
    result = result.replace(/githubUsername: [^\s]+/g, 'githubUsername: <GITHUB_USERNAME>');
    result = result.replace(/createdAt: (?:'[^']+'|null)/g, "createdAt: <CREATED_DATE>");
    result = result.replace(/vendor: [^\n]+/g, 'vendor: <VENDOR>');
    
    // Replace personal_apps - normalize to empty array
    result = result.replace(/personal_apps:\s*\n(?:  - id: [^\n]+\n)+/g, 'personal_apps: []\n');

    // Replace vendor_apps - keep structure but normalize to single entry
    result = result.replace(/vendor_apps:\s*\n(?:  - id: [^\n]+\n?)+/g, 'vendor_apps:\n  - id: <APP_ID>');
    
    // Replace timestamps first (before other patterns)
    result = result.replace(/\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d{3})?Z/g, '<TIMESTAMP>');
    
    // Replace job IDs (UUIDs)
    result = result.replace(/[a-f0-9-]{36}/g, '<JOB_ID>');
    
    // Replace version numbers (semantic versions including dev/beta/private)
    result = result.replace(/\d+\.\d+\.\d+(?:-dev\.\d+|-beta\.\d+|-private)?/g, '<VERSION>');
    
    // Replace whois table data (normalize account info in table format)
    // Match lines that start with digits followed by spaces (account ID)
    result = result.replace(/^(\d+)(\s+)([A-Za-z0-9_-]+)(\s+)(.+?)(\s+)(\w+)$/gm, 
      '<ACCOUNT_ID>$2<TRACKER_ID>$4<ACCOUNT_NAME>$6<TARGET_PRODUCT>');
    
    // Replace directory info fields
    result = result.replace(/name\s+(.+)/g, 'name\t<APP_NAME>');
    result = result.replace(/id\s+([a-zA-Z0-9_-]+)/g, 'id\t\t<APP_ID>');
    result = result.replace(/created\s+<TIMESTAMP>/g, 'created\t<TIMESTAMP>');
    
    // Replace directory list table data (preserve table structure)
    // Only replace app IDs at start of lines that look like directory entries
    result = result.replace(/^([a-zA-Z0-9_-]+)(\s+<VERSION>\s+)/gm, '<APP_ID>$2');
    
    // Replace states and products
    result = result.replace(/(PUBLISHED|UNPUBLISHED|BUILT|BUILD_FAILED|BUILDING)/g, '<STATE>');
    result = result.replace(/(ODP|OCP|ZAIUS)(?=\s|$)/g, '<TARGET_PRODUCT>');
    result = result.replace(/(NOT_REQUIRED|REQUIRED)/g, '<REQUIREMENT>');
    
    // Replace any remaining tracker IDs that look like Base64
    result = result.replace(/[A-Za-z0-9_-]{22}/g, '<TRACKER_ID>');
    
    // Replace job statuses and review statuses
    result = result.replace(/(COMPLETE|RUNNING|FAILED|PENDING|SUCCESS|ERROR|IN_REVIEW|APPROVED|REJECTED)/g, '<STATUS>');
    
    // Replace function names (words before tracker IDs in job tables)
    result = result.replace(/\w+(?=\s+<TRACKER_ID>)/g, '<FUNCTION>');
    
    // Replace durations
    result = result.replace(/[\d\.]+ms/g, '<DURATION>');
    result = result.replace(/[\d\.]+s/g, '<DURATION>');
    result = result.replace(/Duration: [\d\.]+/g, 'Duration: <DURATION>');
    
    // Normalize whitespace
    result = result.replace(/\s+$/gm, ''); // Remove trailing whitespace
    result = result.replace(/\n{3,}/g, '\n\n'); // Normalize multiple newlines
    result = result.replace(/\s+/g, ' '); // Normalize formatting
    
    return result.trim();
  }
}