export type UrlMode = "random" | "memorable" | "custom";

export interface DayCount {
  /** ISO date (YYYY-MM-DD) */
  date: string;
  count: number;
}

export interface ShortLink {
  id: string;
  code: string;
  longUrl: string;
  mode: UrlMode;
  /** Whether a PIN protects the destination. PIN itself is never returned by the API. */
  hasPin: boolean;
  createdAt: string;
  totalClicks: number;
  /** Click counts for the last 7 days, oldest → newest. */
  last7Days: DayCount[];
  /** Present only for links the current user owns. */
  owned?: boolean;
}

export interface CreateLinkInput {
  longUrl: string;
  mode: UrlMode;
  /** Required when mode === "custom". */
  customAlias?: string;
  /** 6-digit string, authenticated users only. */
  pin?: string;
}

export interface User {
  id: string;
  email: string;
  name: string;
}

export interface OwnerStats {
  totalLinks: number;
  totalClicks: number;
  weekClicks: number;
}

export interface LinkPage {
  items: ShortLink[];
  total: number;
  page: number;
  pageSize: number;
}