use crate::shared::message_types::MessageType;
use crate::shared::models::{BotResponse, UserSession};
use crate::shared::state::AppState;
use log::{error, trace};
use rhai::{Dynamic, Engine, EvalAltResult};
use std::sync::Arc;
pub fn hear_keyword(state: Arc<AppState>, user: UserSession, engine: &mut Engine) {
    let session_id = user.id;
    let state_clone = Arc::clone(&state);
    engine
        .register_custom_syntax(&["HEAR", "$ident$"], true, move |_context, inputs| {
            let variable_name = inputs[0]
                .get_string_value()
                .expect("Expected identifier as string")
                .to_string();
            trace!(
                "HEAR command waiting for user input to store in variable: {}",
                variable_name
            );
            let state_for_spawn = Arc::clone(&state_clone);
            let session_id_clone = session_id;
            let var_name_clone = variable_name.clone();
            tokio::spawn(async move {
                trace!(
                    "HEAR: Setting session {} to wait for input for variable '{}'",
                    session_id_clone,
                    var_name_clone
                );
                let mut session_manager = state_for_spawn.session_manager.lock().await;
                session_manager.mark_waiting(session_id_clone);
                if let Some(redis_client) = &state_for_spawn.cache {
                    let mut conn = match redis_client.get_multiplexed_async_connection().await {
                        Ok(conn) => conn,
                        Err(e) => {
                            error!("Failed to connect to cache: {}", e);
                            return;
                        }
                    };
                    let key = format!("hear:{}:{}", session_id_clone, var_name_clone);
                    let _: Result<(), _> = redis::cmd("SET")
                        .arg(&key)
                        .arg("waiting")
                        .query_async(&mut conn)
                        .await;
                }
            });
            Err(Box::new(EvalAltResult::ErrorRuntime(
                "Waiting for user input".into(),
                rhai::Position::NONE,
            )))
        })
        .unwrap();
}
pub async fn execute_talk(
    state: Arc<AppState>,
    user_session: UserSession,
    message: String,
) -> Result<BotResponse, Box<dyn std::error::Error>> {
    let mut suggestions = Vec::new();
    if let Some(redis_client) = &state.cache {
        let mut conn: redis::aio::MultiplexedConnection =
            redis_client.get_multiplexed_async_connection().await?;
        let redis_key = format!("suggestions:{}:{}", user_session.user_id, user_session.id);
        let suggestions_json: Result<Vec<String>, _> = redis::cmd("LRANGE")
            .arg(redis_key.as_str())
            .arg(0)
            .arg(-1)
            .query_async(&mut conn)
            .await;
        match suggestions_json {
            Ok(suggestions_json) => {
                suggestions = suggestions_json
                    .into_iter()
                    .filter_map(|s| serde_json::from_str(&s).ok())
                    .collect();
            }
            Err(e) => {
                error!("Failed to load suggestions from Redis: {}", e);
            }
        }
    }
    let response = BotResponse {
        bot_id: user_session.bot_id.to_string(),
        user_id: user_session.user_id.to_string(),
        session_id: user_session.id.to_string(),
        channel: "web".to_string(),
        content: message,
        message_type: MessageType::USER,
        stream_token: None,
        is_complete: true,
        suggestions,
        context_name: None,
        context_length: 0,
        context_max_length: 0,
    };
    let user_id = user_session.id.to_string();
    let response_clone = response.clone();

    // Use web adapter which handles the connection properly
    let web_adapter = Arc::clone(&state.web_adapter);
    tokio::spawn(async move {
        if let Err(e) = web_adapter
            .send_message_to_session(&user_id, response_clone)
            .await
        {
            error!("Failed to send TALK message via web adapter: {}", e);
        } else {
            trace!("TALK message sent via web adapter");
        }
    });
    Ok(response)
}
pub fn talk_keyword(state: Arc<AppState>, user: UserSession, engine: &mut Engine) {
    let state_clone = Arc::clone(&state);
    let user_clone = user.clone();
    engine
        .register_custom_syntax(&["TALK", "$expr$"], true, move |context, inputs| {
            let message = context.eval_expression_tree(&inputs[0])?.to_string();
            let state_for_talk = Arc::clone(&state_clone);
            let user_for_talk = user_clone.clone();
            tokio::spawn(async move {
                if let Err(e) = execute_talk(state_for_talk, user_for_talk, message).await {
                    error!("Error executing TALK command: {}", e);
                }
            });
            Ok(Dynamic::UNIT)
        })
        .unwrap();
}