Data Types & Enums

type Bytes32 = `0x${string}` // 66 characters total (0x + 64 hex chars)

import { stringToHex, padHex } from 'viem'
 
// For usernames and short strings
const username = padHex(stringToHex('alice'), { size: 32 })
// Result: 0x616c696365000000000000000000000000000000000000000000000000000000

import { hexToString } from 'viem'
 
const decoded = hexToString(username).replace(/\0/g, '')
// Result: 'alice'

enum PostVisibility {
  PUBLIC = 0,
  FOLLOWERS = 1,
  PRIVATE = 2
}

enum ReactionType {
  LIKE = 0
}

enum ContentStorageType {
  INLINE = 0,    // Data stored on-chain
  IPFS = 1,      // CID reference to IPFS
  URL = 2        // External URL reference
}

enum DelegationPermission {
  POST = 0,           // Create posts, replies, quotes
  UPDATE_PROFILE = 1, // Modify profile fields
  SEND_DMS = 2,       // Send direct messages
  FOLLOW = 3          // Follow/unfollow users
}

interface ProfileMetadata {
  $schema?: string
  version?: string
  displayName?: string
  bio?: string
  avatar?: {
    uri: string      // ipfs:// or https:// URI
    mimeType?: string
  }
  coverImage?: {
    uri: string
    mimeType?: string
  }
  website?: string
  location?: string
  occupation?: string
  organization?: string
  pronouns?: string
  accountType?: string
  links?: Array<{
    type: string     // 'twitter', 'github', 'discord', etc.
    url: string
    handle?: string
    label?: string
    verified?: boolean
  }>
  attributes?: Array<{
    trait_type: string
    value: string | number
    display_type?: string
  }>
  updatedAt?: number
}

interface Post {
  postId: string
  author: string        // Address
  contentId: string
  content: string | null
  visibility: 'PUBLIC' | 'FOLLOWERS' | 'PRIVATE'
  createdAt: number     // Unix timestamp
  editedAt: number | null
  replyTo: string | null
  quoteOf: string | null
  isDeleted: boolean
  isEdited: boolean
}

interface Profile {
  address: string
  username: string
  joinedAt: number
  lastActiveAt: number
  isVerified: boolean
  isActive: boolean
  metadata?: ProfileMetadata
}

interface FeedItem {
  post: Post
  author: Profile | null
}