use std::sync::Arc;
use tokio::sync::Mutex;
use serde::Deserialize;
use serde_json::{json, Value};
use crate::session::VisionSessionManager;
use crate::types::{McpError, McpResult, ToolCallResult, ToolDefinition};
#[derive(Debug, Deserialize)]
struct StartParams {
#[serde(default)]
session_id: Option<u32>,
}
pub fn definition() -> ToolDefinition {
ToolDefinition {
name: "session_start".to_string(),
description: Some("Start a new vision session".to_string()),
input_schema: json!({
"type": "object",
"properties": {
"session_id": { "type": "integer", "description": "Optional explicit session ID" }
}
}),
}
}
pub async fn execute(
args: Value,
session: &Arc<Mutex<VisionSessionManager>>,
) -> McpResult<ToolCallResult> {
let params: StartParams =
serde_json::from_value(args).map_err(|e| McpError::InvalidParams(e.to_string()))?;
let mut session = session.lock().await;
let session_id = session.start_session(params.session_id)?;
Ok(ToolCallResult::json(&json!({
"session_id": session_id,
"status": "started"
})))
}