use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};

use models::{RoomId, Uuid};

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "snake_case")]
pub enum AiEventType {
    AgentJoined,
    AgentLeft,
    AgentStatusChanged,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "type", rename_all = "snake_case")]
pub enum AiEvent {
    AgentJoined(AiAgentJoinedService),
    AgentLeft(AiAgentLeftService),
    AgentStatusChanged(AiAgentStatusChangedService),
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AiAgentJoinedService {
    pub room: RoomId,
    pub agent_id: Uuid,
    pub agent_name: String,
    pub agent_type: String,
    pub model_name: Option<String>,
    pub joined_at: DateTime<Utc>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AiAgentLeftService {
    pub room: RoomId,
    pub agent_id: Uuid,
    pub agent_name: String,
    pub left_at: DateTime<Utc>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AiAgentStatusChangedService {
    pub room: RoomId,
    pub agent_id: Uuid,
    pub agent_name: String,
    pub old_status: String,
    pub new_status: String,
    pub changed_at: DateTime<Utc>,
}