/**
 * Dashboard Display Objects
 * 
 * Deterministic formatting for dashboard data without Intl.* or toLocale*
 */

export interface DashboardStatDisplayData {
  icon: string;
  color: string;
  label: string;
}

export interface DashboardDateDisplayData {
  date: string;
  time: string;
  relative: string;
}

/**
 * Stat card display configurations
 */
export const dashboardStatDisplay = {
  wins: {
    icon: 'Trophy',
    color: 'bg-performance-green/20 text-performance-green',
    label: 'Wins',
  },
  podiums: {
    icon: 'Medal',
    color: 'bg-warning-amber/20 text-warning-amber',
    label: 'Podiums',
  },
  consistency: {
    icon: 'Target',
    color: 'bg-primary-blue/20 text-primary-blue',
    label: 'Consistency',
  },
  activeLeagues: {
    icon: 'Users',
    color: 'bg-purple-500/20 text-purple-400',
    label: 'Active Leagues',
  },
} as const;

/**
 * Format date for display (deterministic, no Intl)
 */
export function formatDashboardDate(date: Date): DashboardDateDisplayData {
  const days = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
  const months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
  
  const dayName = days[date.getDay()];
  const month = months[date.getMonth()];
  const day = date.getDate();
  const year = date.getFullYear();
  
  const hours = date.getHours().toString().padStart(2, '0');
  const minutes = date.getMinutes().toString().padStart(2, '0');
  
  // Calculate relative time (deterministic)
  const now = new Date();
  const diffMs = date.getTime() - now.getTime();
  const diffHours = Math.floor(diffMs / (1000 * 60 * 60));
  const diffDays = Math.floor(diffHours / 24);
  
  let relative: string;
  if (diffHours < 0) {
    relative = 'Past';
  } else if (diffHours === 0) {
    relative = 'Now';
  } else if (diffHours < 24) {
    relative = `${diffHours}h`;
  } else {
    relative = `${diffDays}d`;
  }
  
  return {
    date: `${dayName}, ${month} ${day}, ${year}`,
    time: `${hours}:${minutes}`,
    relative,
  };
}

/**
 * Format rating for display
 */
export function formatRating(rating: number): string {
  return rating.toFixed(1);
}

/**
 * Format rank for display
 */
export function formatRank(rank: number): string {
  return rank.toString();
}

/**
 * Format consistency percentage
 */
export function formatConsistency(consistency: number): string {
  return `${consistency}%`;
}

/**
 * Format race count
 */
export function formatRaceCount(count: number): string {
  return count.toString();
}

/**
 * Format friend count
 */
export function formatFriendCount(count: number): string {
  return count.toString();
}

/**
 * Format league position
 */
export function formatLeaguePosition(position: number): string {
  return `#${position}`;
}

/**
 * Format points
 */
export function formatPoints(points: number): string {
  return points.toString();
}

/**
 * Format total drivers
 */
export function formatTotalDrivers(total: number): string {
  return total.toString();
}