iris-chat 0.1.46

use crate::DirectFileTransferSnapshot;
use serde::{Deserialize, Serialize};

#[derive(uniffi::Enum, Clone, Debug, PartialEq, Eq)]
pub enum Screen {
    Welcome,
    CreateAccount,
    RestoreAccount,
    RemoteSigner,
    AddDevice,
    ChatList,
    NewChat,
    NewGroup,
    CreateInvite,
    JoinInvite,
    Settings,
    Chat { chat_id: String },
    DirectChatInfo { chat_id: String },
    GroupDetails { group_id: String },
    DeviceRoster,
    DeviceRevoked,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct Router {
    pub default_screen: Screen,
    pub screen_stack: Vec<Screen>,
}

#[derive(uniffi::Record, Clone, Debug, Default, PartialEq, Eq)]
pub struct BusyState {
    pub creating_account: bool,
    pub restoring_session: bool,
    pub linking_device: bool,
    pub creating_chat: bool,
    pub creating_group: bool,
    pub sending_message: bool,
    pub updating_roster: bool,
    pub updating_group: bool,
    pub creating_invite: bool,
    pub accepting_invite: bool,
    pub syncing_network: bool,
    pub uploading_attachment: bool,
    pub upload_progress: Option<UploadProgress>,
}

#[derive(uniffi::Record, Clone, Debug, Default, PartialEq, Eq)]
pub struct UploadProgress {
    pub bytes_uploaded: u64,
    pub total_bytes: u64,
}

#[derive(
    uniffi::Record, Clone, Debug, PartialEq, Eq, Hash, serde::Serialize, serde::Deserialize,
)]
pub struct ChatMuteDeadline {
    pub chat_id: String,
    pub until_secs: u64,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct PreferencesSnapshot {
    pub voice_calls_enabled: bool,
    pub video_calls_enabled: bool,
    pub call_quality: String,
    pub call_max_bitrate_bps: u32,
    pub send_typing_indicators: bool,
    pub send_read_receipts: bool,
    #[uniffi(default = true)]
    pub allow_message_deletion_by_others: bool,
    /// Reversibly hide saved group messages written by blocked people.
    #[uniffi(default = false)]
    pub hide_blocked_group_messages: bool,
    pub desktop_notifications_enabled: bool,
    pub invite_acceptance_notifications_enabled: bool,
    pub startup_at_login_enabled: bool,
    pub nearby_enabled: bool,
    pub nearby_bluetooth_enabled: bool,
    pub nearby_lan_enabled: bool,
    pub nearby_show_in_chat_list: bool,
    /// Whether the on-device nearby mailbag actively reads and writes
    /// store-and-forward records. When off, the local bag is left
    /// alone (so contents survive a toggle off → on cycle) but no new
    /// events are stored and the broadcast/replay path skips it.
    pub nearby_mailbag_enabled: bool,
    pub nostr_relay_urls: Vec<String>,
    pub image_proxy_enabled: bool,
    pub image_proxy_fallback_enabled: bool,
    pub image_proxy_url: String,
    pub image_proxy_key_hex: String,
    pub image_proxy_salt_hex: String,
    pub muted_chat_ids: Vec<String>,
    pub timed_chat_mutes: Vec<ChatMuteDeadline>,
    /// Muted groups where even identity-bearing @mentions stay silent.
    #[uniffi(default = [])]
    pub silent_mention_chat_ids: Vec<String>,
    pub pinned_chat_ids: Vec<String>,
    /// Owner pubkeys (hex) the local user has blocked. Blocking drops
    /// the peer from the nostr relay subscription, the mobile push
    /// subscription, and hides their thread from the chat list; any
    /// further messages from them are also discarded at ingest.
    pub blocked_owner_pubkeys: Vec<String>,
    /// Owner pubkeys (hex) for which the user has accepted a message
    /// request (Signal-style "whitelist"). A direct chat is treated as
    /// a `is_request` thread until the peer is in this set; sending an
    /// outgoing message implicitly adds them.
    pub accepted_owner_pubkeys: Vec<String>,
    pub debug_logging_enabled: bool,
    pub accept_unknown_direct_messages: bool,
    /// User-configurable notification server URL. Empty string means
    /// "use the platform default" (notifications.iris.to in release,
    /// notifications-sandbox.iris.to in debug). When non-empty, the
    /// shells should pass this as the override to
    /// `build_mobile_push_*_subscription_request`.
    pub mobile_push_server_url: String,
}

impl Default for PreferencesSnapshot {
    fn default() -> Self {
        Self {
            voice_calls_enabled: true,
            video_calls_enabled: true,
            call_quality: "auto".into(),
            call_max_bitrate_bps: 2_000_000,
            send_typing_indicators: true,
            send_read_receipts: true,
            allow_message_deletion_by_others: true,
            hide_blocked_group_messages: false,
            desktop_notifications_enabled: true,
            invite_acceptance_notifications_enabled: true,
            startup_at_login_enabled: true,
            nearby_enabled: true,
            nearby_bluetooth_enabled: false,
            nearby_lan_enabled: false,
            nearby_show_in_chat_list: true,
            nearby_mailbag_enabled: true,
            nostr_relay_urls: crate::core::configured_relays(),
            image_proxy_enabled: true,
            image_proxy_fallback_enabled: false,
            image_proxy_url: crate::image_proxy::DEFAULT_IMAGE_PROXY_URL.to_string(),
            image_proxy_key_hex: crate::image_proxy::DEFAULT_IMAGE_PROXY_KEY_HEX.to_string(),
            image_proxy_salt_hex: crate::image_proxy::DEFAULT_IMAGE_PROXY_SALT_HEX.to_string(),
            muted_chat_ids: Vec::new(),
            timed_chat_mutes: Vec::new(),
            silent_mention_chat_ids: Vec::new(),
            pinned_chat_ids: Vec::new(),
            blocked_owner_pubkeys: Vec::new(),
            accepted_owner_pubkeys: Vec::new(),
            debug_logging_enabled: false,
            accept_unknown_direct_messages: true,
            mobile_push_server_url: String::new(),
        }
    }
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct OutgoingAttachment {
    pub file_path: String,
    pub filename: String,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct AttachmentDownloadResult {
    pub data_base64: Option<String>,
    pub error: Option<String>,
}

#[derive(uniffi::Enum, Clone, Debug, PartialEq, Eq)]
pub enum DeviceAuthorizationState {
    Authorized,
    AwaitingApproval,
    Revoked,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct AccountSnapshot {
    pub public_key_hex: String,
    pub npub: String,
    pub display_name: String,
    pub picture_url: Option<String>,
    pub about: Option<String>,
    pub device_public_key_hex: String,
    pub device_npub: String,
    pub has_owner_signing_authority: bool,
    pub authorization_state: DeviceAuthorizationState,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct DeviceEntrySnapshot {
    pub display_name: String,
    pub device_pubkey_hex: String,
    pub device_npub: String,
    pub is_current_device: bool,
    pub is_connected: bool,
    pub is_authorized: bool,
    pub is_stale: bool,
    pub added_at_secs: Option<u64>,
    pub device_label: Option<String>,
    pub client_label: Option<String>,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct DeviceRosterSnapshot {
    pub owner_public_key_hex: String,
    pub owner_npub: String,
    pub current_device_public_key_hex: String,
    pub current_device_npub: String,
    pub can_manage_devices: bool,
    pub authorization_state: DeviceAuthorizationState,
    pub devices: Vec<DeviceEntrySnapshot>,
}

#[derive(uniffi::Enum, Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
pub enum DeliveryState {
    Queued,
    Pending,
    Sent,
    Received,
    Seen,
    Failed,
}

#[derive(uniffi::Enum, Clone, Debug, PartialEq, Eq)]
pub enum ChatKind {
    Direct,
    Group,
}

#[derive(uniffi::Enum, Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
pub enum ChatMessageKind {
    User,
    System,
}

#[derive(uniffi::Record, Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
pub struct MessageAttachmentSnapshot {
    /// Local historical receipts for complete encrypted attachment trees.
    #[serde(default)]
    #[uniffi(default = [])]
    pub uploaded_urls: Vec<String>,
    pub nhash: String,
    pub filename: String,
    pub filename_encoded: String,
    pub htree_url: String,
    pub is_image: bool,
    pub is_video: bool,
    pub is_audio: bool,
}

#[derive(uniffi::Record, Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
pub struct MessageReactionSnapshot {
    pub emoji: String,
    pub count: u64,
    pub reacted_by_me: bool,
}

#[derive(uniffi::Record, Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
pub struct MessageReactor {
    /// Hex-encoded pubkey of the user who reacted.
    pub author: String,
    /// Core-resolved display name for UI rows. Empty in persisted legacy data.
    #[serde(default, skip_serializing_if = "String::is_empty")]
    pub display_name: String,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub picture_url: Option<String>,
    /// Emoji content of their current (latest) reaction. Empty means unreacted.
    pub emoji: String,
}

#[derive(uniffi::Record, Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
pub struct MessageRecipientDeliverySnapshot {
    /// Hex-encoded owner/user pubkey.
    pub owner_pubkey_hex: String,
    /// Core-resolved display name for UI rows. Empty in persisted legacy data.
    #[serde(default, skip_serializing_if = "String::is_empty")]
    pub display_name: String,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub picture_url: Option<String>,
    pub delivery: DeliveryState,
    pub updated_at_secs: u64,
}

#[derive(uniffi::Record, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, Default)]
#[serde(default)]
pub struct MessageDeliveryTraceSnapshot {
    pub outer_event_ids: Vec<String>,
    pub pending_relay_event_ids: Vec<String>,
    pub queued_protocol_targets: Vec<String>,
    pub transport_channels: Vec<String>,
    pub last_transport_error: Option<String>,
}

/// A local call summary. Signaling and media never enter message history.
#[derive(uniffi::Record, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, Hash)]
pub struct CallHistorySnapshot {
    pub call_id: String,
    pub direction: String,
    pub outcome: String,
    pub video: bool,
    pub started_at_secs: u64,
    pub answered_at_secs: Option<u64>,
    pub ended_at_secs: u64,
    pub duration_secs: u64,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Hash)]
pub struct MessageEditSnapshot {
    pub id: String,
    pub body: String,
    pub created_at_secs: u64,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct ChatMessageSnapshot {
    #[uniffi(default = [])]
    pub edit_history: Vec<MessageEditSnapshot>,
    #[uniffi(default = false)]
    pub deleted_for_everyone: bool,
    /// Profile subject of a system notice, independent of the message author.
    #[uniffi(default = None)]
    pub system_notice_owner_pubkey_hex: Option<String>,
    #[uniffi(default = None)]
    pub direct_transfer: Option<DirectFileTransferSnapshot>,
    pub id: String,
    pub chat_id: String,
    pub kind: ChatMessageKind,
    pub author: String,
    /// Hex-encoded owner/user pubkey for the author when known.
    pub author_owner_pubkey_hex: Option<String>,
    pub author_picture_url: Option<String>,
    pub body: String,
    pub attachments: Vec<MessageAttachmentSnapshot>,
    pub reactions: Vec<MessageReactionSnapshot>,
    pub reactors: Vec<MessageReactor>,
    pub is_outgoing: bool,
    pub created_at_secs: u64,
    pub expires_at_secs: Option<u64>,
    pub delivery: DeliveryState,
    pub recipient_deliveries: Vec<MessageRecipientDeliverySnapshot>,
    pub delivery_trace: MessageDeliveryTraceSnapshot,
    /// Hex ID of the outer relay event that carried this rumor. The
    /// notification extension joins on this to find a body the
    /// foreground app already decrypted, so it can render a real
    /// preview instead of "New activity". `None` for messages that
    /// didn't come over the wire (system notices, locally-composed
    /// outgoing rumors).
    pub source_event_id: Option<String>,
    #[uniffi(default = None)]
    pub call: Option<CallHistorySnapshot>,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct TypingIndicatorSnapshot {
    pub chat_id: String,
    pub display_name: String,
    pub expires_at_secs: u64,
}

/// A social connection, not identity verification. Computed by nostr-social-graph.
#[derive(uniffi::Enum, Clone, Debug, PartialEq, Eq)]
pub enum SocialBadge {
    Warning,
    Following,
    Friend,
    Trusted,
    Muted,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct SocialConnectionSnapshot {
    pub badge: Option<SocialBadge>,
    pub follow_distance: Option<u32>,
    pub followed_by_friends: u32,
    pub description: String,
    /// Private account contact preference, independent of public follow relationships.
    #[uniffi(default = false)]
    pub is_favorite: bool,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct MentionNotificationSnapshot {
    pub message_id: String,
    pub preview: String,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct ChatThreadSnapshot {
    pub social_connection: Option<SocialConnectionSnapshot>,
    pub chat_id: String,
    pub kind: ChatKind,
    pub display_name: String,
    pub nickname: Option<String>,
    pub contact_note: Option<String>,
    pub profile_name: Option<String>,
    pub subtitle: Option<String>,
    pub picture_url: Option<String>,
    pub about: Option<String>,
    pub member_count: u64,
    pub last_message_preview: Option<String>,
    pub last_message_at_secs: Option<u64>,
    pub last_message_is_outgoing: Option<bool>,
    #[uniffi(default = None)]
    pub last_message_id: Option<String>,
    #[uniffi(default = [])]
    pub unread_mention_messages: Vec<MentionNotificationSnapshot>,
    pub last_message_delivery: Option<DeliveryState>,
    pub unread_count: u64,
    pub is_typing: bool,
    pub is_muted: bool,
    pub is_pinned: bool,
    /// Unsent composer text the user typed in this thread, persisted
    /// across navigation / suspend / relaunch. Chat list rows render
    /// "Draft: …" in place of the last message preview when this is
    /// non-empty (Signal pattern).
    pub draft: String,
    /// True when this is a direct chat where the user has not yet
    /// replied to a stranger — i.e. incoming messages exist but no
    /// outgoing ones do. Shells render an Accept / Delete / Block
    /// gate (Signal-style "message request"), suppress read /
    /// delivery / typing receipts, and treat the conversation as
    /// untrusted until the user accepts.
    pub is_request: bool,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct ChatParticipantSnapshot {
    pub social_connection: Option<SocialConnectionSnapshot>,
    pub owner_pubkey_hex: String,
    pub display_name: String,
    pub picture_url: Option<String>,
    pub is_local_owner: bool,
}

/// Capability of the selected direct-chat peer. Profile search results are
/// locators only; the composer unlocks after current owner-signed evidence is
/// resolved. Group chats expose `None`.
#[derive(uniffi::Enum, Clone, Debug, PartialEq, Eq)]
pub enum DirectChatCapabilityState {
    Checking,
    Available,
    Unavailable,
    CheckFailed,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct ContactIdentitySnapshot {
    pub is_following: bool,
    pub can_follow: bool,
    pub updating_follow: bool,
    pub first_seen_name: Option<String>,
    pub saved_name: Option<String>,
    pub pending_name: Option<String>,
    pub is_favorite: bool,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct CurrentChatSnapshot {
    pub contact_identity: Option<ContactIdentitySnapshot>,
    pub social_connection: Option<SocialConnectionSnapshot>,
    pub chat_id: String,
    pub kind: ChatKind,
    pub display_name: String,
    pub nickname: Option<String>,
    pub contact_note: Option<String>,
    pub profile_name: Option<String>,
    pub subtitle: Option<String>,
    pub picture_url: Option<String>,
    pub about: Option<String>,
    pub group_id: Option<String>,
    pub member_count: u64,
    pub message_ttl_seconds: Option<u64>,
    pub is_muted: bool,
    pub participants: Vec<ChatParticipantSnapshot>,
    pub messages: Vec<ChatMessageSnapshot>,
    pub typing_indicators: Vec<TypingIndicatorSnapshot>,
    /// Same persisted draft text exposed on `ChatThreadSnapshot`. The
    /// chat screen pre-fills its composer with this on first appear.
    pub draft: String,
    /// Mirrors `ChatThreadSnapshot::is_request`. Chat screens replace
    /// the composer with an Accept / Delete / Block gate when set.
    pub is_request: bool,
    pub direct_chat_capability: Option<DirectChatCapabilityState>,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct GroupMemberSnapshot {
    pub social_connection: Option<SocialConnectionSnapshot>,
    pub owner_pubkey_hex: String,
    pub display_name: String,
    pub npub: String,
    pub picture_url: Option<String>,
    pub is_admin: bool,
    pub is_creator: bool,
    pub is_local_owner: bool,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct GroupDetailsSnapshot {
    pub group_id: String,
    pub name: String,
    pub picture_url: Option<String>,
    /// Free-text group description (Signal calls this the group description).
    /// `None` if unset. Admins can edit via `AppAction::UpdateGroupAbout`.
    pub about: Option<String>,
    pub created_by_display_name: String,
    pub created_by_npub: String,
    pub can_manage: bool,
    pub is_muted: bool,
    pub revision: u64,
    pub members: Vec<GroupMemberSnapshot>,
    pub invite_links: Vec<GroupInviteSnapshot>,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct GroupInviteSnapshot {
    pub id: String,
    pub url: String,
    pub title: String,
    pub use_count: u32,
    pub max_uses: Option<u32>,
    pub expires_at: Option<u64>,
}

#[derive(uniffi::Record, Clone, Debug, Default, PartialEq, Eq)]
pub struct MutualGroupsSnapshot {
    pub groups: Vec<ChatThreadSnapshot>,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct RelayConnectionSnapshot {
    pub url: String,
    pub status: String,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct NetworkStatusSnapshot {
    pub relay_set_id: String,
    pub relay_urls: Vec<String>,
    pub relay_connections: Vec<RelayConnectionSnapshot>,
    pub connected_relay_count: u64,
    pub all_relays_offline_since_secs: Option<u64>,
    pub syncing: bool,
    pub pending_outbound_count: u64,
    pub pending_group_control_count: u64,
    pub recent_event_count: u64,
    pub recent_log_count: u64,
    pub last_debug_category: Option<String>,
    pub last_debug_detail: Option<String>,
}

#[derive(uniffi::Record, Clone, Debug, Default, PartialEq, Eq)]
pub struct MobilePushSessionSnapshot {
    pub recipient_pubkey_hex: String,
    pub display_name: String,
    pub state_json: String,
    pub tracked_sender_pubkeys: Vec<String>,
    pub has_receiving_capability: bool,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct MobilePushDelayedAuthor {
    pub author_pubkey: String,
    pub since_secs: u64,
}

#[derive(uniffi::Record, Clone, Debug, Default, PartialEq, Eq)]
pub struct MobilePushSyncSnapshot {
    pub call_device_pubkey_hex: Option<String>,
    pub owner_pubkey_hex: Option<String>,
    pub message_author_pubkeys: Vec<String>,
    pub delayed_message_authors: Vec<MobilePushDelayedAuthor>,
    pub background_message_author_pubkeys: Vec<String>,
    pub invite_response_pubkeys: Vec<String>,
    pub sessions: Vec<MobilePushSessionSnapshot>,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct PeerProfileDebugSnapshot {
    pub owner_pubkey_hex: String,
    pub owner_npub: String,
    pub direct_send_readiness: String,
    pub roster_device_count: u64,
    pub known_device_count: u64,
    pub active_session_count: u64,
    pub session_count: u64,
    pub receiving_session_count: u64,
    pub tracked_sender_count: u64,
    pub recent_handshake_device_count: u64,
    pub last_handshake_at_secs: Option<u64>,
    pub tracked_for_messages: bool,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct MobilePushNotificationResolution {
    pub should_show: bool,
    pub title: String,
    pub body: String,
    pub payload_json: String,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct MobilePushSubscriptionRequest {
    pub method: String,
    pub url: String,
    pub authorization_header: String,
    pub body_json: Option<String>,
}

/// One row inside the "Messages" section of a search result. Shells
/// use the conversation identity for global results and the author identity
/// for results within a chat. Both are resolved from persisted history so
/// searching older messages does not depend on the loaded timeline.
#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct MessageSearchHit {
    pub chat_id: String,
    pub message_id: String,
    pub chat_display_name: String,
    pub chat_picture_url: Option<String>,
    pub chat_kind: ChatKind,
    pub author_pubkey: String,
    pub author_display_name: String,
    pub author_picture_url: Option<String>,
    pub body: String,
    pub is_outgoing: bool,
    pub created_at_secs: u64,
}

/// A person discovered from local profiles, the account's social graph, or the
/// global profile index. Chat capability is resolved only after selection;
/// shells only render these fields.
#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct FollowedUserSearchResult {
    pub social_connection: Option<SocialConnectionSnapshot>,
    pub owner_pubkey_hex: String,
    pub display_label: String,
    pub profile_label: Option<String>,
    pub picture_url: Option<String>,
    pub about: Option<String>,
    pub user_id: String,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct SearchResultSnapshot {
    pub query: String,
    pub scope_chat_id: Option<String>,
    pub people: Vec<FollowedUserSearchResult>,
    pub contacts: Vec<ChatThreadSnapshot>,
    pub groups: Vec<ChatThreadSnapshot>,
    pub messages: Vec<MessageSearchHit>,
    /// Inline shortcut row to show above the grouped sections when the
    /// query is itself an npub / nprofile / hex pubkey / invite URL.
    /// Shells render this as a single "Start chat with …" / "Accept
    /// invite from …" row that dispatches the carried action on tap.
    pub shortcut: Option<ChatInputShortcut>,
}

/// Classification of the free-text input typed into a chat-action
/// field — the search bar, the "New chat" paste field, the share-link
/// handler. Centralising the parsing here means the UI just looks at
/// the enum and dispatches; no platform has its own ad-hoc
/// `contains("://") && contains("#")` check.
#[derive(uniffi::Enum, Clone, Debug, PartialEq, Eq)]
pub enum ChatInputShortcut {
    /// Input is a recognized owner pubkey (npub / nprofile / hex).
    /// `display` is the user-presentable short form (npub…).
    DirectPeer {
        peer_input: String,
        display: String,
        npub: String,
        pubkey_hex: String,
    },
    /// Input is a paste of an invite URL. `display` is a short label
    /// suitable for "Accept invite from …" rows.
    Invite {
        invite_input: String,
        display: String,
    },
}

impl SearchResultSnapshot {
    pub fn empty(query: String, scope_chat_id: Option<String>) -> Self {
        Self {
            query,
            scope_chat_id,
            people: Vec::new(),
            contacts: Vec::new(),
            groups: Vec::new(),
            messages: Vec::new(),
            shortcut: None,
        }
    }

    pub fn is_empty(&self) -> bool {
        self.people.is_empty()
            && self.contacts.is_empty()
            && self.groups.is_empty()
            && self.messages.is_empty()
            && self.shortcut.is_none()
    }
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct PublicInviteSnapshot {
    pub url: String,
    pub legacy_url: String,
    pub title: String,
    #[uniffi(default = true)]
    pub open_chat_on_join: bool,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct LinkDeviceSnapshot {
    pub url: String,
    pub device_input: String,
}

#[derive(uniffi::Enum, Clone, Debug, PartialEq, Eq)]
pub enum RemoteSignerPhase {
    Connecting,
    WaitingForSigner,
    WaitingForApproval,
    Finishing,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct RemoteSignerLoginSnapshot {
    pub connection_uri: Option<String>,
    pub phase: RemoteSignerPhase,
    pub auth_url: Option<String>,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct CallSnapshot {
    pub outgoing: bool,
    pub target_bitrate_bps: u32,
    pub key_frame_generation: u32,
    pub media_connected: bool,
    pub max_bitrate_bps: u32,
    pub call_id: String,
    pub chat_id: String,
    pub peer_name: String,
    pub phase: String,
    pub video: bool,
    pub video_capable: bool,
    pub muted: bool,
    pub remote_video: bool,
    pub remote_muted: bool,
    pub started_at_secs: u64,
    pub connected_at_secs: Option<u64>,
    pub end_reason: Option<String>,
}

#[derive(uniffi::Enum, Clone, Debug, PartialEq, Eq)]
pub enum DeviceHistorySyncPhase {
    Discovering,
    Transferring,
    Waiting,
    Complete,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct DeviceHistorySyncSnapshot {
    pub phase: DeviceHistorySyncPhase,
    pub imported_messages: u64,
    pub total_messages: Option<u64>,
}

#[derive(uniffi::Record, Clone, Debug, PartialEq, Eq)]
pub struct AppState {
    pub rev: u64,
    pub call: Option<CallSnapshot>,
    pub router: Router,
    pub account: Option<AccountSnapshot>,
    pub device_roster: Option<DeviceRosterSnapshot>,
    pub device_history_sync: Option<DeviceHistorySyncSnapshot>,
    pub busy: BusyState,
    pub chat_list: Vec<ChatThreadSnapshot>,
    pub blocked_people: Vec<FollowedUserSearchResult>,
    /// Invalidates native message pages after visibility policy changes.
    pub message_visibility_revision: u64,
    pub current_chat: Option<CurrentChatSnapshot>,
    pub group_details: Option<GroupDetailsSnapshot>,
    pub public_invite: Option<PublicInviteSnapshot>,
    pub link_device: Option<LinkDeviceSnapshot>,
    pub remote_signer_login: Option<RemoteSignerLoginSnapshot>,
    pub network_status: Option<NetworkStatusSnapshot>,
    pub mobile_push: MobilePushSyncSnapshot,
    pub preferences: PreferencesSnapshot,
    /// Invalidates native People-search caches when discovery inputs, block
    /// exclusions, or discovery loading state change.
    pub user_discovery_revision: u64,
    pub user_discovery_syncing: bool,
    pub toast: Option<String>,
}

impl AppState {
    pub fn empty() -> Self {
        Self {
            rev: 0,
            call: None,
            router: Router {
                default_screen: Screen::Welcome,
                screen_stack: Vec::new(),
            },
            account: None,
            device_roster: None,
            device_history_sync: None,
            busy: BusyState::default(),
            chat_list: Vec::new(),
            blocked_people: Vec::new(),
            message_visibility_revision: 0,
            current_chat: None,
            group_details: None,
            public_invite: None,
            link_device: None,
            remote_signer_login: None,
            network_status: None,
            mobile_push: MobilePushSyncSnapshot::default(),
            preferences: PreferencesSnapshot::default(),
            user_discovery_revision: 0,
            user_discovery_syncing: false,
            toast: None,
        }
    }
}