use rmcp::ErrorData;
use rmcp::model::Tool;
use serde_json::{Map, Value, json};
use crate::server::tool_trait::{McpTool, ToolContext, ToolOutput, get_str, get_str_array};
use crate::tools::ctx_doc::{Args, handle};
use lean_ctx::tool_defs::tool_def;
pub struct CtxDocTool;
impl McpTool for CtxDocTool {
fn name(&self) -> &'static str {
"ctx_doc"
}
fn tool_def(&self) -> Tool {
tool_def(
"ctx_doc",
"Project documentation in the linked Hive vault: pages of sections, bound to code.\n\
WORKFLOW: action=list or search first, then show slug (outline=true, section=<heading-slug>).\n\
Reads are local (offline). action=write slug content='# Title\\n…' creates or revises a page;\n\
action=edit slug find replace changes one unique stretch; action=note adds an addendum.\n\
anchors=[file:…] binds a page to code; action=status lists stale pages, action=confirm re-pins after a check.\n\
Writes are queued and sent in the background. Link pages as [text](/slug#heading).",
json!({
"type": "object",
"properties": {
"action": { "type": "string", "description": "list|show|search|status|write|edit|note|confirm" },
"anchors": { "type": "array", "items": { "type": "string" }, "description": "write: code the page derives from (file:src/x.rs, dir:src/core, glob:src/**/*.rs, shape:docs); a change makes the page stale" },
"slug": { "type": "string", "description": "Page slug, e.g. guide/retry (list: a prefix)" },
"section": { "type": "string", "description": "show: one section by its heading slug" },
"outline": { "type": "boolean", "description": "show: headings only" },
"query": { "type": "string", "description": "search words" },
"content": { "type": "string", "description": "write: the whole page markdown; note: the note" },
"find": { "type": "string", "description": "edit: exact text that occurs once" },
"replace": { "type": "string", "description": "edit: its replacement" },
"type": { "type": "string", "description": "write (new page): reference|guide|design|…" },
"status": { "type": "string", "description": "write (new page): draft|canonical" }
},
"required": ["action"]
}),
)
}
fn handle(
&self,
args: &Map<String, Value>,
ctx: &ToolContext,
) -> Result<ToolOutput, ErrorData> {
let owned = |k: &str| get_str(args, k);
let action = owned("action").unwrap_or_else(|| "list".to_owned());
let (slug, section, query, content, find, replace, kind, status) = (
owned("slug"),
owned("section"),
owned("query"),
owned("content"),
owned("find"),
owned("replace"),
owned("type"),
owned("status"),
);
let anchors = get_str_array(args, "anchors").unwrap_or_default();
let call = Args {
anchors: &anchors,
action: &action,
slug: slug.as_deref(),
section: section.as_deref(),
query: query.as_deref(),
content: content.as_deref(),
find: find.as_deref(),
replace: replace.as_deref(),
kind: kind.as_deref(),
status: status.as_deref(),
outline: args
.get("outline")
.and_then(Value::as_bool)
.unwrap_or(false),
};
Ok(ToolOutput::simple(handle(&ctx.project_root, &call)))
}
}