/**
 * Regular Expression Patterns - Core Constants
 *
 * Regex patterns compartidos entre todos los proyectos del workspace.
 *
 * @module @core/constants/regex
 * @version 1.0.0
 */

// ============================================================================
// EMAIL & AUTHENTICATION
// ============================================================================

/**
 * Email validation pattern
 * Matches: user@example.com, user.name+tag@example.co.uk
 */
export const EMAIL_REGEX = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;

/**
 * Strong password pattern
 * Requirements: 8+ chars, 1 uppercase, 1 lowercase, 1 number, 1 special char
 */
export const STRONG_PASSWORD_REGEX =
  /^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$/;

/**
 * Medium password pattern
 * Requirements: 8+ chars, 1 uppercase or lowercase, 1 number
 */
export const MEDIUM_PASSWORD_REGEX = /^(?=.*[a-zA-Z])(?=.*\d)[A-Za-z\d]{8,}$/;

/**
 * Username pattern
 * Requirements: 3-30 chars, alphanumeric + underscore, starts with letter
 */
export const USERNAME_REGEX = /^[a-zA-Z][a-zA-Z0-9_]{2,29}$/;

// ============================================================================
// IDENTIFIERS
// ============================================================================

/**
 * UUID v4 pattern
 */
export const UUID_REGEX =
  /^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;

/**
 * UUID (any version) pattern
 */
export const UUID_ANY_REGEX =
  /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;

/**
 * Slug pattern (url-friendly string)
 */
export const SLUG_REGEX = /^[a-z0-9]+(?:-[a-z0-9]+)*$/;

// ============================================================================
// PHONE NUMBERS
// ============================================================================

/**
 * International phone number (E.164 format)
 */
export const PHONE_INTERNATIONAL_REGEX = /^\+?[1-9]\d{1,14}$/;

/**
 * Mexican phone number (10 digits)
 */
export const PHONE_MEXICO_REGEX = /^(\+?52)?[1-9]\d{9}$/;

/**
 * US phone number
 */
export const PHONE_US_REGEX = /^(\+?1)?[2-9]\d{2}[2-9]\d{6}$/;

// ============================================================================
// FINANCIAL
// ============================================================================

/**
 * Credit card number (basic validation)
 */
export const CREDIT_CARD_REGEX = /^\d{13,19}$/;

/**
 * CVV/CVC (3-4 digits)
 */
export const CVV_REGEX = /^\d{3,4}$/;

/**
 * Currency amount (allows decimals)
 */
export const CURRENCY_AMOUNT_REGEX = /^\d+(\.\d{1,2})?$/;

/**
 * Percentage (0-100 with optional decimals)
 */
export const PERCENTAGE_REGEX = /^(100(\.0{1,2})?|[0-9]{1,2}(\.\d{1,2})?)$/;

// ============================================================================
// MEXICAN IDS
// ============================================================================

/**
 * Mexican RFC (Tax ID)
 * Format: XXXX######XXX for companies, XXX######XXXX for individuals
 */
export const RFC_MEXICO_REGEX =
  /^([A-ZÑ&]{3,4})(\d{2})(0[1-9]|1[0-2])(0[1-9]|[12]\d|3[01])([A-Z\d]{2})([A\d])$/i;

/**
 * Mexican CURP (Unique Population Registry Code)
 */
export const CURP_MEXICO_REGEX =
  /^[A-Z]{4}\d{6}[HM][A-Z]{5}[A-Z\d]\d$/i;

/**
 * Mexican Postal Code (5 digits)
 */
export const POSTAL_CODE_MEXICO_REGEX = /^\d{5}$/;

// ============================================================================
// NETWORK
// ============================================================================

/**
 * IPv4 address
 */
export const IPV4_REGEX =
  /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/;

/**
 * IPv6 address (simplified)
 */
export const IPV6_REGEX = /^([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$/;

/**
 * MAC address
 */
export const MAC_ADDRESS_REGEX = /^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$/;

/**
 * URL (http, https)
 */
export const URL_REGEX =
  /^https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)$/;

/**
 * Domain name
 */
export const DOMAIN_REGEX =
  /^(?:[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,}$/;

// ============================================================================
// DATES & TIMES
// ============================================================================

/**
 * Date (YYYY-MM-DD)
 */
export const DATE_REGEX = /^\d{4}-(0[1-9]|1[0-2])-(0[1-9]|[12]\d|3[01])$/;

/**
 * Time (HH:MM:SS or HH:MM)
 */
export const TIME_REGEX = /^([01]\d|2[0-3]):([0-5]\d)(:([0-5]\d))?$/;

/**
 * ISO 8601 datetime
 */
export const ISO_DATETIME_REGEX =
  /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d{3})?(Z|[+-]\d{2}:\d{2})?$/;

// ============================================================================
// COLORS
// ============================================================================

/**
 * Hex color (#RGB or #RRGGBB)
 */
export const HEX_COLOR_REGEX = /^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$/;

/**
 * RGB color
 */
export const RGB_COLOR_REGEX =
  /^rgb\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*\)$/;

/**
 * RGBA color
 */
export const RGBA_COLOR_REGEX =
  /^rgba\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(0|1|0?\.\d+)\s*\)$/;

// ============================================================================
// TEXT PATTERNS
// ============================================================================

/**
 * Alphanumeric only
 */
export const ALPHANUMERIC_REGEX = /^[a-zA-Z0-9]+$/;

/**
 * Alphabetic only
 */
export const ALPHABETIC_REGEX = /^[a-zA-Z]+$/;

/**
 * Numeric only
 */
export const NUMERIC_REGEX = /^\d+$/;

/**
 * No special characters (alphanumeric + spaces)
 */
export const NO_SPECIAL_CHARS_REGEX = /^[a-zA-Z0-9\s]+$/;

/**
 * HTML tags
 */
export const HTML_TAG_REGEX = /<[^>]*>/g;

/**
 * Multiple spaces
 */
export const MULTIPLE_SPACES_REGEX = /\s+/g;

// ============================================================================
// FILE PATTERNS
// ============================================================================

/**
 * File extension
 */
export const FILE_EXTENSION_REGEX = /\.([a-zA-Z0-9]+)$/;

/**
 * Image file extensions
 */
export const IMAGE_EXTENSION_REGEX = /\.(jpg|jpeg|png|gif|webp|svg|bmp|ico)$/i;

/**
 * Document file extensions
 */
export const DOCUMENT_EXTENSION_REGEX = /\.(pdf|doc|docx|xls|xlsx|ppt|pptx|txt|csv)$/i;

/**
 * Video file extensions
 */
export const VIDEO_EXTENSION_REGEX = /\.(mp4|avi|mov|wmv|flv|mkv|webm)$/i;

/**
 * Audio file extensions
 */
export const AUDIO_EXTENSION_REGEX = /\.(mp3|wav|ogg|flac|aac|wma)$/i;

// ============================================================================
// HELPERS
// ============================================================================

/**
 * Test if string matches pattern
 */
export const testPattern = (pattern: RegExp, value: string): boolean => {
  return pattern.test(value);
};

/**
 * Extract matches from string
 */
export const extractMatches = (
  pattern: RegExp,
  value: string,
): RegExpMatchArray | null => {
  return value.match(pattern);
};

/**
 * Replace all matches in string
 */
export const replaceAll = (
  pattern: RegExp,
  value: string,
  replacement: string,
): string => {
  return value.replace(pattern, replacement);
};