use serde::{Deserialize, Serialize};

#[derive(Clone, Debug, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct Channel {
    pub channel_id: String,
    pub name: String,
    pub created_at: String,
    pub private_git_path: String,
    pub public_distribution_state: String,
}

#[derive(Clone, Debug, Serialize, Deserialize)]
#[serde(rename_all = "SCREAMING_SNAKE_CASE")]
pub enum SourceKind {
    UserMessage,
    PersonaResponse,
    ExternalAiMessage,
    SystemContext,
    ProtocolEvent,
    AgentAction,
    ToolResult,
    SystemReceipt,
}

#[derive(Clone, Debug, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct TimelineEvent {
    pub event_id: String,
    pub source_kind: SourceKind,
    pub title: String,
    pub content: String,
    pub occurred_at: String,
    pub state: String,
}

#[derive(Clone, Debug, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct KnowledgeSummary {
    pub path: String,
    pub title: String,
    pub updated_at: String,
    pub sha256: String,
}

#[derive(Clone, Debug, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct KnowledgeDocument {
    pub path: String,
    pub title: String,
    pub body: String,
    pub updated_at: String,
    pub sha256: String,
}

#[derive(Clone, Debug, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct ExternalAiBridge {
    pub bridge_id: String,
    pub display_name: String,
    pub inbox_path: String,
    pub outbox_path: String,
    pub state: String,
}

#[derive(Clone, Debug, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct SystemSnapshot {
    pub app_version: String,
    pub channel: Option<Channel>,
    pub timeline: Vec<TimelineEvent>,
    pub documents: Vec<KnowledgeSummary>,
    pub module_registry_version: String,
    pub public_update_endpoint: String,
    pub public_distribution_state: String,
    pub external_ai_bridges: Vec<ExternalAiBridge>,
}

#[derive(Clone, Debug, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct MutationReceipt {
    pub receipt_id: String,
    pub state: String,
    pub message: String,
    pub git_commit: Option<String>,
    pub event: TimelineEvent,
}