import type { GamificationEvent, GamificationTxDto } from '@mento/shared';
import { GAMIFICATION_EVENTS } from '@mento/shared';
import { toFaDigits } from '@/lib/jalali';

export { apiError } from '@/lib/routines';

type IconName =
  | 'trophy'
  | 'user-plus'
  | 'funnel'
  | 'briefcase'
  | 'phone'
  | 'calendar'
  | 'document'
  | 'check'
  | 'refresh'
  | 'dollar'
  | 'chat'
  | 'star'
  | 'medal'
  | 'gift'
  | 'sliders'
  | 'building'
  | 'trend';

const EVENT_ICONS: Record<GamificationEvent, IconName> = {
  LEAD_CREATED: 'funnel',
  LEAD_STAGE_CHANGED: 'trend',
  LEAD_CONVERTED: 'user-plus',
  CUSTOMER_CREATED: 'user-plus',
  COMPANY_CREATED: 'building',
  DEAL_CREATED: 'briefcase',
  DEAL_STAGE_CHANGED: 'trend',
  DEAL_WON: 'trophy',
  DEAL_LOST: 'briefcase',
  CALL_LOGGED: 'phone',
  MEETING_CREATED: 'calendar',
  FOLLOW_UP_CREATED: 'calendar',
  NOTE_CREATED: 'document',
  ACTIVITY_CREATED: 'check',
  TASK_COMPLETED: 'check',
  ROUTINE_COMPLETED: 'refresh',
  QUOTE_CREATED: 'document',
  INVOICE_ISSUED: 'dollar',
  PAYMENT_REGISTERED: 'dollar',
  TICKET_CREATED: 'chat',
  TICKET_RESOLVED: 'chat',
};

export function txIcon(tx: Pick<GamificationTxDto, 'kind' | 'event'>): IconName {
  if (tx.kind === 'bonus') return 'star';
  if (tx.kind === 'achievement') return 'medal';
  if (tx.kind === 'redeem' || tx.kind === 'refund') return 'gift';
  if (tx.kind === 'adjust') return 'sliders';
  return tx.event ? EVENT_ICONS[tx.event] : 'star';
}

export function eventLabel(event: GamificationEvent | null | undefined): string {
  return event ? GAMIFICATION_EVENTS[event]?.label ?? event : '';
}

/** عدد فارسی با جداکننده هزارگان */
export function faNum(value: number | null | undefined): string {
  if (value == null || !Number.isFinite(value)) return '—';
  return toFaDigits(Math.round(value).toLocaleString('en-US'));
}

export function signedFa(value: number): string {
  if (!value) return toFaDigits(0);
  return `${value > 0 ? '+' : '−'}${faNum(Math.abs(value))}`;
}

/** «۵ دقیقه پیش»، «دیروز ۱۴:۲۰» … */
export function timeAgo(iso: string): string {
  const d = new Date(iso);
  const diff = Date.now() - d.getTime();
  const min = Math.floor(diff / 60_000);
  if (min < 1) return 'همین الان';
  if (min < 60) return `${toFaDigits(min)} دقیقه پیش`;
  const hours = Math.floor(min / 60);
  if (hours < 24) return `${toFaDigits(hours)} ساعت پیش`;
  const days = Math.floor(hours / 24);
  if (days < 7) return `${toFaDigits(days)} روز پیش`;
  return new Intl.DateTimeFormat('fa-IR', { dateStyle: 'medium' }).format(d);
}

export function formatDateTime(iso: string): string {
  try {
    return new Intl.DateTimeFormat('fa-IR', { dateStyle: 'medium', timeStyle: 'short' }).format(new Date(iso));
  } catch {
    return iso;
  }
}

export const REWARD_ICONS = ['gift', 'star', 'trophy', 'medal', 'crown', 'calendar-sun', 'bag', 'target', 'fire'] as const;
export const BADGE_ICONS = ['medal', 'trophy', 'crown', 'star', 'fire', 'phone', 'users', 'funnel', 'target', 'check'] as const;

export const ROLE_LABELS: Record<string, string> = {
  owner: 'مالک',
  admin: 'مدیر',
  sales: 'فروش',
  support: 'پشتیبانی',
};