activitypub

type Accept struct {
	Activity
}

type Activity struct {
	BaseObject
	Actor      string `json:"actor"`
	Object     any    `json:"object"`
	Target     string `json:"target,omitempty"`     // For Add/Remove activities
	Origin     string `json:"origin,omitempty"`     // For Move activities
	Instrument string `json:"instrument,omitempty"` // For various activities
}

type Actor struct {
	BaseObject
	PreferredUsername string     `json:"preferredUsername"`
	Name              string     `json:"name,omitempty"`
	Summary           string     `json:"summary,omitempty"`
	URL               string     `json:"url,omitempty"`
	Icon              *Image     `json:"icon,omitempty"`
	Image             *Image     `json:"image,omitempty"`
	Inbox             string     `json:"inbox"`
	Outbox            string     `json:"outbox"`
	Following         string     `json:"following,omitempty"`
	Followers         string     `json:"followers,omitempty"`
	Liked             string     `json:"liked,omitempty"`
	PublicKey         *PublicKey `json:"publicKey,omitempty"`
	Endpoints         *Endpoints `json:"endpoints,omitempty"`

	// Account migration support
	AlsoKnownAs []string `json:"alsoKnownAs,omitempty"`
	MovedTo     string   `json:"movedTo,omitempty"`

	// Mastodon-specific fields
	ManuallyApprovesFollowers bool         `json:"manuallyApprovesFollowers,omitempty"`
	Discoverable              bool         `json:"discoverable,omitempty"`
	Featured                  string       `json:"featured,omitempty"`
	LastStatusAt              *time.Time   `json:"lastStatusAt,omitempty"`
	CreatedAt                 *time.Time   `json:"createdAt,omitempty"`
	Attachment                []Attachment `json:"attachment,omitempty"`

	// Lesser extension: optional agent metadata for Service actors.
	AgentManifest *AgentManifest `json:"agentManifest,omitempty"`
}

type Add struct {
	Activity
	Target string `json:"target"` // The collection to add to
}

type AddressingValidator struct{}

type AgentCapabilities struct {
	CanPost   bool `json:"canPost"`
	CanReply  bool `json:"canReply"`
	CanBoost  bool `json:"canBoost"`
	CanFollow bool `json:"canFollow"`
	CanDM     bool `json:"canDM"`

	RestrictedDomains []string `json:"restrictedDomains,omitempty"`
	MaxPostsPerHour   int      `json:"maxPostsPerHour,omitempty"`
	RequiresApproval  bool     `json:"requiresApproval,omitempty"`
}

type AgentManifest struct {
	Type         string             `json:"type"`
	Version      string             `json:"version,omitempty"`
	Capabilities *AgentCapabilities `json:"capabilities,omitempty"`
	Purpose      string             `json:"purpose,omitempty"`
	OperatedBy   string             `json:"operatedBy,omitempty"`
	Source       string             `json:"source,omitempty"`
}

type AgentPostAttribution struct {
	TriggerType    string `json:"trigger_type,omitempty"`
	TriggerDetails string `json:"trigger_details,omitempty"`

	MemoryCitations []string `json:"memory_citations,omitempty"`

	DelegatedBy string   `json:"delegated_by,omitempty"`
	Scopes      []string `json:"scopes,omitempty"`

	Constraints  []string `json:"constraints,omitempty"`
	ModelVersion string   `json:"model_version,omitempty"`
}

type Announce struct {
	Activity
}

type Article struct {
	Note
	Name string `json:"name"` // Title
}

type Attachment struct {
	Type      string `json:"type"`
	MediaType string `json:"mediaType"`
	URL       string `json:"url"`
	Name      string `json:"name,omitempty"`
	Value     string `json:"value,omitempty"` // For profile metadata
	Width     int    `json:"width,omitempty"`
	Height    int    `json:"height,omitempty"`
}

type BaseObject struct {
	Context   ContextValue `json:"@context,omitempty"`
	ID        string       `json:"id"`
	Type      string       `json:"type"`
	Published *time.Time   `json:"published,omitempty"`
	Updated   *time.Time   `json:"updated,omitempty"`
	To        []string     `json:"to,omitempty"`
	CC        []string     `json:"cc,omitempty"`
	BTo       []string     `json:"bto,omitempty"`
	BCC       []string     `json:"bcc,omitempty"`
	InReplyTo string       `json:"inReplyTo,omitempty"`
	Summary   string       `json:"summary,omitempty"`
	Sensitive bool         `json:"sensitive,omitempty"`
}

type Collection struct {
	BaseObject
	TotalItems   int    `json:"totalItems"`
	Current      string `json:"current,omitempty"`
	First        string `json:"first,omitempty"`
	Last         string `json:"last,omitempty"`
	Items        any    `json:"items,omitempty"`
	OrderedItems any    `json:"orderedItems,omitempty"`
}

type CollectionPage struct {
	Collection
	PartOf string `json:"partOf"`
	Next   string `json:"next,omitempty"`
	Prev   string `json:"prev,omitempty"`
}

type ContextValue []any

type Create struct {
	Activity
}

type Delete struct {
	Activity
}

type DeliveryTargets struct {
	DirectRecipients map[string]bool     // Individual actor inboxes
	SharedInboxes    map[string]bool     // Shared inboxes (domain-level)
	DomainGroups     map[string][]string // Recipients grouped by domain for shared inbox optimization
}

type Endpoints struct {
	SharedInbox string `json:"sharedInbox,omitempty"`
}

type Flag struct {
	Activity
}

type Follow struct {
	Activity
}

type Image struct {
	BaseObject
	URL       string `json:"url"`
	MediaType string `json:"mediaType,omitempty"`
	Width     int    `json:"width,omitempty"`
	Height    int    `json:"height,omitempty"`
}

type Like struct {
	Activity
}

type Move struct {
	Activity
	Target string `json:"target"` // The new account location
}

type Note struct {
	BaseObject
	Content            string        `json:"content"`
	AttributedTo       string        `json:"attributedTo"`
	Attachment         []Attachment  `json:"attachment,omitempty"`
	Tag                []Tag         `json:"tag,omitempty"`
	ConversationID     string        `json:"conversationId,omitempty"` // For tracking conversation threads
	Visibility         string        `json:"_:visibility,omitempty"`   // Lesser extension for preserving visibility
	QuoteURL           string        `json:"quoteUrl,omitempty"`
	Quoteable          bool          `json:"_:quoteable,omitempty"`
	QuoteNotifications bool          `json:"_:quoteNotifications,omitempty"`
	QuoteContext       *QuoteContext `json:"_:quoteContext,omitempty"`

	// Lesser extension: per-status attribution for agent-authored content.
	AgentAttribution *AgentPostAttribution `json:"_:agentAttribution,omitempty"`
}

type OrderedCollection struct {
	Collection
}

type OrderedCollectionPage struct {
	CollectionPage
}

type PublicKey struct {
	ID           string `json:"id"`
	Owner        string `json:"owner"`
	PublicKeyPem string `json:"publicKeyPem"`
}

type QuoteContext struct {
	OriginalNoteID         string `json:"originalNoteId,omitempty"`
	OriginalAuthor         string `json:"originalAuthor"`
	OriginalAuthorUsername string `json:"originalAuthorUsername,omitempty"`
	QuoteCount             int    `json:"quoteCount"`
	AllowWithdrawal        bool   `json:"allowWithdrawal"`
	QuoteAllowed           bool   `json:"quoteAllowed"`
	Withdrawn              bool   `json:"withdrawn"`
	OriginalStatus         any    `json:"-"`
}

type QuoteNote struct {
	Note
}

type Reject struct {
	Activity
}

type Remove struct {
	Activity
	Target string `json:"target"` // The collection to remove from
}

type Tag struct {
	Type string `json:"type"`
	Href string `json:"href,omitempty"`
	Name string `json:"name"`
}

type Tombstone struct {
	BaseObject
	FormerType string `json:"formerType,omitempty"` // The original object type
	Deleted    string `json:"deleted,omitempty"`    // ISO 8601 timestamp of deletion
}

type Undo struct {
	Activity
}

type Update struct {
	Activity
}

type WebFingerLink struct {
	Rel      string `json:"rel"`
	Type     string `json:"type,omitempty"`
	Href     string `json:"href,omitempty"`
	Template string `json:"template,omitempty"`
}

type WebFingerResource struct {
	Subject string          `json:"subject"`
	Aliases []string        `json:"aliases,omitempty"`
	Links   []WebFingerLink `json:"links"`
}