harn-cli 0.10.87

use std::collections::BTreeSet;

use harn_serve::adapters::acp::{ACP_SESSION_UPDATE_VARIANTS, HARN_SESSION_UPDATE_EXTENSIONS};
#[cfg(test)]
use harn_vm::agent_events::WorkerEvent;
use harn_vm::agent_events::{
    AgentLifecycleEvent, AgentLifecycleState, AgentTerminalKind, ToolCallErrorCategory,
    ToolCallStatus, ToolMutationStatus,
};
use harn_vm::llm::AgentTerminalClass;
use harn_vm::tool_annotations::{SideEffectLevel, ToolKind};
use serde::Serialize;
use serde_json::{json, Value as JsonValue};

pub(super) fn all_acp_session_updates() -> Vec<String> {
    unique_ordered(
        ACP_SESSION_UPDATE_VARIANTS
            .iter()
            .chain(HARN_SESSION_UPDATE_EXTENSIONS.iter())
            .copied(),
    )
}

pub(super) fn tool_kind_values() -> Vec<String> {
    ToolKind::ALL.iter().map(serde_wire_string).collect()
}

pub(super) fn tool_call_status_values() -> Vec<String> {
    ToolCallStatus::ALL
        .iter()
        .map(|status| status.as_str().to_string())
        .collect()
}

pub(super) fn tool_call_error_category_values() -> Vec<String> {
    ToolCallErrorCategory::ALL
        .iter()
        .map(|category| category.as_str().to_string())
        .collect()
}

pub(super) fn tool_mutation_status_values() -> Vec<String> {
    ToolMutationStatus::ALL
        .iter()
        .map(|status| status.as_str().to_string())
        .collect()
}

pub(super) fn agent_terminal_class_values() -> Vec<String> {
    AgentTerminalClass::ALL
        .iter()
        .map(|class| class.as_str().to_string())
        .collect()
}

pub(super) fn agent_terminal_kind_values() -> Vec<String> {
    AgentTerminalKind::ALL
        .iter()
        .map(|kind| kind.as_str().to_string())
        .collect()
}

pub(super) fn agent_terminal_owner_values() -> Vec<String> {
    unique_ordered(AgentTerminalKind::ALL.iter().map(|kind| kind.owner()))
}

pub(super) fn worker_status_values() -> Vec<String> {
    // Worker wire statuses are a projection of the shared agent/run
    // lifecycle registry. Keep this list equal to
    // `AgentLifecycleState::ALL` so a new state cannot land without a
    // protocol-artifact update.
    agent_lifecycle_state_values()
}

pub(super) fn agent_lifecycle_state_values() -> Vec<String> {
    AgentLifecycleState::ALL
        .iter()
        .map(|state| state.wire_name().to_string())
        .collect()
}

pub(super) fn agent_lifecycle_event_values() -> Vec<String> {
    AgentLifecycleEvent::ALL
        .iter()
        .map(|event| event.as_str().to_string())
        .collect()
}

/// Rich projection table for schemas/docs. Aliases are listed per state
/// but never appear as independent canonical wire values.
pub(super) fn agent_lifecycle_state_projections() -> Vec<JsonValue> {
    AgentLifecycleState::ALL
        .iter()
        .map(|state| {
            let projection = state.projection();
            json!({
                "wire": projection.wire_name,
                "terminal": projection.terminal,
                "resumable": projection.resumable,
                "runRecordStatus": projection.run_record_status,
                "a2aTaskState": projection.a2a_task_state,
                "aliases": state.aliases(),
            })
        })
        .collect()
}

/// Exhaustive parity: every WorkerEvent status must resolve through the
/// lifecycle registry, and every lifecycle state must be reachable from
/// at least one worker event (Joined is event-only and excluded here).
#[cfg(test)]
pub(super) fn assert_worker_lifecycle_parity() {
    for event in WorkerEvent::ALL {
        let status = event.as_status();
        let state = AgentLifecycleState::from_wire(status)
            .unwrap_or_else(|| panic!("worker status `{status}` missing from lifecycle registry"));
        assert_eq!(state.wire_name(), status);
        assert_eq!(event.is_terminal(), state.is_terminal());
        assert_eq!(event.lifecycle_event().target_state(), Some(state));
    }
    for state in AgentLifecycleState::ALL {
        assert!(
            WorkerEvent::ALL
                .iter()
                .any(|event| event.as_status() == state.wire_name()),
            "lifecycle state `{}` has no WorkerEvent projection",
            state.wire_name()
        );
    }
}

pub(super) fn side_effect_level_values() -> Vec<String> {
    SideEffectLevel::ALL
        .iter()
        .map(|level| level.as_str().to_string())
        .collect()
}

pub(super) fn unique_ordered<'a>(values: impl Iterator<Item = &'a str>) -> Vec<String> {
    let mut seen = BTreeSet::new();
    let mut out = Vec::new();
    for value in values {
        if seen.insert(value) {
            out.push(value.to_string());
        }
    }
    out
}

pub(super) fn serde_wire_string<T: Serialize>(value: &T) -> String {
    serde_json::to_value(value)
        .expect("wire enum serializes")
        .as_str()
        .expect("wire enum serializes as string")
        .to_string()
}

pub(super) fn strs_to_strings(values: &[&str]) -> Vec<String> {
    values.iter().map(|value| (*value).to_string()).collect()
}