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use super::super::resolve_binary_path;
pub(crate) fn install_jetbrains_hook() {
// #281: the JetBrains integration is MCP-only (a copy/paste snippet), so an
// MCP-disabled environment writes nothing here.
if !super::super::should_register_mcp() {
return;
}
let binary = resolve_binary_path();
let home = crate::core::home::resolve_home_dir().unwrap_or_default();
let config_path = home.join(".jb-mcp.json");
let display_path = "~/.jb-mcp.json";
// JetBrains AI Assistant expects a JSON snippet with "mcpServers".
// We write it to a file for easy copy/paste into JetBrains settings.
let entry = serde_json::json!({
"command": binary,
"args": [],
"env": super::super::mcp_server_env_json()
});
if config_path.exists() {
let content = std::fs::read_to_string(&config_path).unwrap_or_default();
if content.contains("lean-ctx") {
eprintln!("JetBrains MCP snippet already written to {display_path}");
print_jetbrains_manual_step(display_path);
return;
}
if let Ok(mut json) = crate::core::jsonc::parse_jsonc(&content)
&& let Some(obj) = json.as_object_mut()
{
let servers = obj
.entry("mcpServers")
.or_insert_with(|| serde_json::json!({}));
if let Some(servers_obj) = servers.as_object_mut() {
servers_obj.insert("lean-ctx".to_string(), entry.clone());
}
if let Ok(formatted) = serde_json::to_string_pretty(&json) {
let _ = std::fs::write(&config_path, formatted);
eprintln!(" \x1b[32m✓\x1b[0m JetBrains MCP snippet written to {display_path}");
print_jetbrains_manual_step(display_path);
return;
}
}
}
let config = serde_json::json!({ "mcpServers": { "lean-ctx": entry } });
if let Ok(json_str) = serde_json::to_string_pretty(&config) {
let _ = std::fs::write(&config_path, json_str);
eprintln!(" \x1b[32m✓\x1b[0m JetBrains MCP snippet written to {display_path}");
print_jetbrains_manual_step(display_path);
} else {
tracing::error!("Failed to configure JetBrains");
}
}
/// JetBrains AI Assistant does not auto-load `~/.jb-mcp.json`. The snippet must
/// be pasted into the IDE once, so we always state the manual step explicitly
/// to set the right expectation (no silent "configured" that never wires up).
fn print_jetbrains_manual_step(display_path: &str) {
eprintln!(
" \x1b[33mManual step:\x1b[0m JetBrains has no auto-wiring — open \
Settings → Tools → AI Assistant → Model Context Protocol (MCP) and paste the \
`lean-ctx` server from {display_path}."
);
}