namespace ControlCenter;

/// <summary>
/// Agent operational status derived from OpenClaw Gateway session activity.
/// Maps to the frontend AgentStatus type: 'active' | 'idle' | 'thinking' | 'error'.
/// </summary>
public enum AgentStatus
{
    /// <summary>Agent is currently processing a turn.</summary>
    Active,

    /// <summary>Agent completed its last turn; no active work.</summary>
    Idle,

    /// <summary>LLM call in flight; tokens streaming.</summary>
    Thinking,

    /// <summary>Agent encountered an unhandled error.</summary>
    Error
}

/// <summary>
/// Extended lifecycle status including offline — not all agents have active sessions.
/// Used internally; clients only see <see cref="AgentStatus"/> (offline maps to idle).
/// </summary>
public enum AgentLifecycleStatus
{
    Active,
    Idle,
    Thinking,
    Error,
    Offline
}

/// <summary>
/// Pushed to SignalR clients when an agent's status changes.
/// Matches the TypeScript <c>AgentStatusUpdate</c> interface from the design spec.
/// </summary>
/// <param name="AgentId">Agent identifier, e.g. "otto", "dex".</param>
/// <param name="DisplayName">Human-readable name, e.g. "Otto".</param>
/// <param name="Role">Role description, e.g. "Orchestrator Agent".</param>
/// <param name="Status">Current operational status.</param>
/// <param name="CurrentTask">Description of the current task, if any.</param>
/// <param name="SessionKey">Full session key, e.g. "agent:otto:telegram:direct:8787451565".</param>
/// <param name="Channel">Channel the agent is operating on, e.g. "telegram".</param>
/// <param name="LastActivity">ISO 8601 timestamp of last activity.</param>
/// <param name="ErrorMessage">Error message when status is 'error'.</param>
public record AgentStatusUpdate(
    string AgentId,
    string DisplayName,
    string Role,
    string Status,
    string? CurrentTask,
    string SessionKey,
    string Channel,
    string LastActivity,
    string? ErrorMessage = null
);

/// <summary>
/// Pushed to SignalR clients when an agent's task progress updates.
/// Matches the TypeScript <c>TaskProgressUpdate</c> interface from the design spec.
/// </summary>
/// <param name="AgentId">Agent identifier.</param>
/// <param name="TaskDescription">Description of the current task.</param>
/// <param name="Progress">Task progress percentage (0–100), if trackable.</param>
/// <param name="Elapsed">Elapsed time string, e.g. "04m 12s".</param>
public record TaskProgressUpdate(
    string AgentId,
    string TaskDescription,
    int? Progress,
    string? Elapsed
);

/// <summary>
/// Snapshot of an agent's full card data, sent on initial connection
/// or when the fleet state is requested.
/// Matches the TypeScript <c>AgentCardData</c> interface from the design spec.
/// </summary>
public record AgentCardData(
    string Id,
    string DisplayName,
    string Role,
    string Status,
    string? CurrentTask,
    int? TaskProgress,
    string? TaskElapsed,
    string SessionKey,
    string Channel,
    string LastActivity,
    string? ErrorMessage
);