/**
 * Profile Display Objects
 * 
 * Deterministic formatting for profile data.
 * NO Intl.*, NO Date.toLocale*, NO dynamic formatting.
 */

// ============================================================================
// COUNTRY FLAG DISPLAY
// ============================================================================

export interface CountryFlagDisplayData {
  flag: string;
  label: string;
}

export const countryFlagDisplay: Record<string, CountryFlagDisplayData> = {
  // Common country codes - add as needed
  US: { flag: '🇺🇸', label: 'United States' },
  GB: { flag: '🇬🇧', label: 'United Kingdom' },
  DE: { flag: '🇩🇪', label: 'Germany' },
  FR: { flag: '🇫🇷', label: 'France' },
  IT: { flag: '🇮🇹', label: 'Italy' },
  ES: { flag: '🇪🇸', label: 'Spain' },
  JP: { flag: '🇯🇵', label: 'Japan' },
  AU: { flag: '🇦🇺', label: 'Australia' },
  CA: { flag: '🇨🇦', label: 'Canada' },
  BR: { flag: '🇧🇷', label: 'Brazil' },
  // Fallback for unknown codes
  DEFAULT: { flag: '🏁', label: 'Unknown' },
} as const;

export function getCountryFlagDisplay(countryCode: string): CountryFlagDisplayData {
  const code = countryCode.toUpperCase();
  return countryFlagDisplay[code] || countryFlagDisplay.DEFAULT;
}

// ============================================================================
// ACHIEVEMENT RARITY DISPLAY
// ============================================================================

export interface AchievementRarityDisplayData {
  text: string;
  badgeClasses: string;
  borderClasses: string;
}

export const achievementRarityDisplay: Record<string, AchievementRarityDisplayData> = {
  common: {
    text: 'Common',
    badgeClasses: 'bg-gray-400/10 text-gray-400',
    borderClasses: 'border-gray-400/30',
  },
  rare: {
    text: 'Rare',
    badgeClasses: 'bg-primary-blue/10 text-primary-blue',
    borderClasses: 'border-primary-blue/30',
  },
  epic: {
    text: 'Epic',
    badgeClasses: 'bg-purple-400/10 text-purple-400',
    borderClasses: 'border-purple-400/30',
  },
  legendary: {
    text: 'Legendary',
    badgeClasses: 'bg-yellow-400/10 text-yellow-400',
    borderClasses: 'border-yellow-400/30',
  },
} as const;

export function getAchievementRarityDisplay(rarity: string): AchievementRarityDisplayData {
  return achievementRarityDisplay[rarity] || achievementRarityDisplay.common;
}

// ============================================================================
// ACHIEVEMENT ICON DISPLAY
// ============================================================================

export type AchievementIconType = 'trophy' | 'medal' | 'star' | 'crown' | 'target' | 'zap';

export interface AchievementIconDisplayData {
  name: string;
  // Icon component will be resolved in UI layer
}

export const achievementIconDisplay: Record<AchievementIconType, AchievementIconDisplayData> = {
  trophy: { name: 'Trophy' },
  medal: { name: 'Medal' },
  star: { name: 'Star' },
  crown: { name: 'Crown' },
  target: { name: 'Target' },
  zap: { name: 'Zap' },
} as const;

export function getAchievementIconDisplay(icon: string): AchievementIconDisplayData {
  return achievementIconDisplay[icon as AchievementIconType] || achievementIconDisplay.trophy;
}

// ============================================================================
// SOCIAL PLATFORM DISPLAY
// ============================================================================

export interface SocialPlatformDisplayData {
  name: string;
  hoverClasses: string;
}

export const socialPlatformDisplay: Record<string, SocialPlatformDisplayData> = {
  twitter: {
    name: 'Twitter',
    hoverClasses: 'hover:text-sky-400 hover:bg-sky-400/10',
  },
  youtube: {
    name: 'YouTube',
    hoverClasses: 'hover:text-red-500 hover:bg-red-500/10',
  },
  twitch: {
    name: 'Twitch',
    hoverClasses: 'hover:text-purple-400 hover:bg-purple-400/10',
  },
  discord: {
    name: 'Discord',
    hoverClasses: 'hover:text-indigo-400 hover:bg-indigo-400/10',
  },
} as const;

export function getSocialPlatformDisplay(platform: string): SocialPlatformDisplayData {
  return socialPlatformDisplay[platform] || socialPlatformDisplay.discord;
}

// ============================================================================
// DATE FORMATTING (DETERMINISTIC)
// ============================================================================

/**
 * Format date string to "Month Year" format
 * Input: ISO date string (e.g., "2024-01-15T10:30:00Z")
 * Output: "Jan 2024"
 */
export function formatMonthYear(dateString: string): string {
  const date = new Date(dateString);
  const months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
  const month = months[date.getUTCMonth()];
  const year = date.getUTCFullYear();
  return `${month} ${year}`;
}

/**
 * Format date string to "Month Day, Year" format
 * Input: ISO date string
 * Output: "Jan 15, 2024"
 */
export function formatMonthDayYear(dateString: string): string {
  const date = new Date(dateString);
  const months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
  const month = months[date.getUTCMonth()];
  const day = date.getUTCDate();
  const year = date.getUTCFullYear();
  return `${month} ${day}, ${year}`;
}

// ============================================================================
// STATISTICS FORMATTING
// ============================================================================

export interface StatDisplayData {
  value: string;
  label: string;
}

/**
 * Format percentage with 1 decimal place
 * Input: 0.1234
 * Output: "12.3%"
 */
export function formatPercentage(value: number | null): string {
  if (value === null || value === undefined) return '0.0%';
  return `${(value * 100).toFixed(1)}%`;
}

/**
 * Format finish position
 * Input: 1
 * Output: "P1"
 */
export function formatFinishPosition(position: number | null): string {
  if (position === null || position === undefined) return 'P-';
  return `P${position}`;
}

/**
 * Format average finish with 1 decimal place
 * Input: 3.456
 * Output: "P3.5"
 */
export function formatAvgFinish(avg: number | null): string {
  if (avg === null || avg === undefined) return 'P-';
  return `P${avg.toFixed(1)}`;
}

/**
 * Format rating (whole number)
 * Input: 1234.56
 * Output: "1235"
 */
export function formatRating(rating: number | null): string {
  if (rating === null || rating === undefined) return '0';
  return Math.round(rating).toString();
}

/**
 * Format consistency percentage
 * Input: 87.5
 * Output: "88%"
 */
export function formatConsistency(consistency: number | null): string {
  if (consistency === null || consistency === undefined) return '0%';
  return `${Math.round(consistency)}%`;
}

/**
 * Format percentile
 * Input: 15.5
 * Output: "Top 16%"
 */
export function formatPercentile(percentile: number | null): string {
  if (percentile === null || percentile === undefined) return 'Top -%';
  return `Top ${Math.round(percentile)}%`;
}

// ============================================================================
// TEAM ROLE DISPLAY
// ============================================================================

export interface TeamRoleDisplayData {
  text: string;
  badgeClasses: string;
}

export const teamRoleDisplay: Record<string, TeamRoleDisplayData> = {
  owner: {
    text: 'Owner',
    badgeClasses: 'bg-yellow-500/10 text-yellow-500 border-yellow-500/30',
  },
  admin: {
    text: 'Admin',
    badgeClasses: 'bg-purple-500/10 text-purple-400 border-purple-500/30',
  },
  steward: {
    text: 'Steward',
    badgeClasses: 'bg-blue-500/10 text-blue-400 border-blue-500/30',
  },
  member: {
    text: 'Member',
    badgeClasses: 'bg-primary-blue/10 text-primary-blue border-primary-blue/30',
  },
} as const;

export function getTeamRoleDisplay(role: string): TeamRoleDisplayData {
  return teamRoleDisplay[role] || teamRoleDisplay.member;
}