/**
 * Collections Types
 * Type definitions for the Collections feature
 */

// ============================================
// Content Types
// ============================================

export type CollectionContentType = 'channel' | 'movie' | 'series';

// ============================================
// Database Types (snake_case - matches Supabase)
// ============================================

export interface DatabaseCollection {
  id: string;
  profile_id: string;
  user_id: string;
  name: string;
  description: string | null;
  accent_color: string | null;
  is_private: boolean;
  is_pinned?: boolean; // Optional - may not exist in older databases
  sort_order: number;
  created_at: string;
  updated_at: string;
}

export interface DatabaseCollectionItem {
  id: string;
  collection_id: string;
  content_id: string;
  content_type: CollectionContentType;
  content_name: string | null;
  content_image_url: string | null;
  sort_order: number;
  added_at: string;
}

export interface DatabaseCollectionShare {
  id: string;
  collection_id: string;
  shared_with_profile_id: string;
  permission: 'view' | 'edit';
  shared_at: string;
  accessed_at: string | null;
}

// ============================================
// App Types (camelCase - used in UI)
// ============================================

export interface Collection {
  id: string;
  profileId: string;
  userId: string;
  name: string;
  description?: string;
  accentColor: string;
  isPrivate: boolean;
  isPinned: boolean;
  sortOrder: number;
  createdAt: string;
  updatedAt: string;
  // Computed/joined fields
  itemCount?: number;
  items?: CollectionItem[];
  previewImages?: string[]; // First 4-5 item images for cover
  sharedWithProfiles?: string[]; // Profile IDs this collection is shared with
}

export interface CollectionItem {
  id: string;
  collectionId: string;
  contentId: string;
  contentType: CollectionContentType;
  contentName?: string;
  contentImageUrl?: string;
  sortOrder: number;
  addedAt: string;
}

export interface CollectionShare {
  id: string;
  collectionId: string;
  sharedWithProfileId: string;
  permission: 'view' | 'edit';
  sharedAt: string;
  accessedAt?: string;
}

// ============================================
// Input Types (for CRUD operations)
// ============================================

export interface CreateCollectionInput {
  profileId: string;
  name: string;
  description?: string;
  accentColor?: string;
}

export interface UpdateCollectionInput {
  name?: string;
  description?: string;
  accentColor?: string;
  sortOrder?: number;
}

export interface ShareCollectionInput {
  collectionId: string;
  profileId: string;
  permission?: 'view' | 'edit';
}

export interface AddToCollectionInput {
  collectionId: string;
  contentId: string;
  contentType: CollectionContentType;
  contentName?: string;
  contentImageUrl?: string;
}

export interface ReorderCollectionItemsInput {
  collectionId: string;
  itemIds: string[]; // Ordered array of item IDs
}

// ============================================
// Collection with Items (joined type)
// ============================================

export interface CollectionWithItems extends Collection {
  items: CollectionItem[];
}

// ============================================
// Constants
// ============================================

/** Predefined accent color palette for collections */
export const COLLECTION_COLORS = [
  // Primary colors
  '#A91B18', // Tuscan Red (default - matches brand)
  '#3B82F6', // Blue
  '#10B981', // Green
  '#F59E0B', // Amber
  '#EC4899', // Pink
  '#6366F1', // Indigo
  '#14B8A6', // Teal
  '#8B5CF6', // Purple
  // Extended palette
  '#EF4444', // Red
  '#F97316', // Orange
  '#84CC16', // Lime
  '#06B6D4', // Cyan
  '#A855F7', // Violet
  '#E879F9', // Fuchsia
  '#78716C', // Stone
  '#1E293B', // Slate Dark
] as const;

export type CollectionColor = (typeof COLLECTION_COLORS)[number];

/** Default accent color for new collections */
export const DEFAULT_COLLECTION_COLOR = COLLECTION_COLORS[0];

/** Maximum collections per profile (free tier) */
export const MAX_COLLECTIONS_PER_PROFILE = 10;

/** Maximum collections for premium users (unlimited = -1) */
export const MAX_COLLECTIONS_PREMIUM = -1;

/** Maximum items per collection */
export const MAX_ITEMS_PER_COLLECTION = 500;