export type Priority = "low" | "medium" | "high" | "urgent";

export interface Member {
  id: string;
  name: string;
  role: string;
}

export interface Label {
  id: string;
  name: string;
}

export interface ChecklistItem {
  id: string;
  text: string;
  done: boolean;
}

export interface Card {
  id: string;
  title: string;
  description: string;
  assignee: string | null;
  labels: string[];
  priority: Priority;
  due: string | null;
  checklist: ChecklistItem[];
}

export interface Column {
  id: string;
  title: string;
  wip_limit: number | null;
  card_ids: string[];
}

/** The mutable part of the board: what gets persisted and undone. */
export interface BoardState {
  columns: Column[];
  cards: Record<string, Card>;
}

/** Static context that never changes while the app runs. */
export interface BoardMeta {
  product: string;
  workspace: string;
  board: string;
  today: string;
  fictionalNotice: string;
  labels: Label[];
  priorities: Priority[];
  members: Member[];
}

export interface Filters {
  assignee: string; // "all" | "unassigned" | member id
  label: string; // "all" | label id
  query: string;
}

export interface Location {
  columnId: string;
  index: number;
}

export type HistoryEntry =
  | { type: "move"; cardId: string; title: string; from: Location; to: Location }
  | { type: "create"; cardId: string; title: string; columnId: string }
  | { type: "delete"; card: Card; from: Location };