use rmcp::model::Tool;
use rmcp::ErrorData;
use serde_json::{json, Map, Value};
use crate::server::tool_trait::{McpTool, ToolContext, ToolOutput};
use crate::tool_defs::tool_def;
pub struct CtxControlTool;
impl McpTool for CtxControlTool {
fn name(&self) -> &'static str {
"ctx_control"
}
fn tool_def(&self) -> Tool {
tool_def(
"ctx_control",
"Universal context manipulation (Context Field Theory). Actions: exclude|include|pin|unpin|set_view|set_priority|mark_outdated|reset|list|history. Overlay-based, reversible, scoped.",
json!({
"type": "object",
"properties": {
"action": {
"type": "string",
"description": "exclude|include|pin|unpin|set_view|set_priority|mark_outdated|reset|list|history"
},
"target": { "type": "string", "description": "@F1 or path or item ID" },
"value": { "type": "string", "description": "New content, view name, or priority" },
"scope": { "type": "string", "description": "call|session|project (default: session)" },
"reason": { "type": "string", "description": "Reason for the action" }
},
"required": ["action"]
}),
)
}
fn handle(
&self,
args: &Map<String, Value>,
ctx: &ToolContext,
) -> Result<ToolOutput, ErrorData> {
let root = if let Some(ref session_lock) = ctx.session {
let session = tokio::task::block_in_place(|| session_lock.blocking_read());
session.project_root.clone().unwrap_or_default()
} else {
ctx.project_root.clone()
};
let mut overlays = crate::core::context_overlay::OverlayStore::load_project(
&std::path::PathBuf::from(&root),
);
let result = if let Some(ref ledger_lock) = ctx.ledger {
let mut ledger = tokio::task::block_in_place(|| ledger_lock.blocking_write());
let r = crate::tools::ctx_control::handle(Some(args), &mut ledger, &mut overlays);
ledger.save();
r
} else {
let mut ledger = crate::core::context_ledger::ContextLedger::load();
let r = crate::tools::ctx_control::handle(Some(args), &mut ledger, &mut overlays);
ledger.save();
r
};
let _ = overlays.save_project(&std::path::PathBuf::from(&root));
Ok(ToolOutput::simple(result))
}
}