#!/bin/sh
# SecuBox MCP Server - Model Context Protocol for AI Integration
# Copyright (C) 2026 CyberMind.fr
#
# Runs as stdio server for Claude Desktop, Cursor, VS Code, etc.
# Protocol: JSON-RPC 2.0 over stdin/stdout
#
# Usage:
#   ssh root@router /usr/bin/secubox-mcp
#
# Or in Claude Desktop config:
#   { "mcpServers": { "secubox": { "command": "ssh", "args": ["root@192.168.255.1", "/usr/bin/secubox-mcp"] }}}

set -e

MCP_VERSION="2024-11-05"
SERVER_NAME="secubox-mcp"
SERVER_VERSION="1.0.0"
CONFIG="mcp-server"
TOOLS_DIR="/usr/lib/secubox-mcp/tools"
PROTOCOL_LIB="/usr/lib/secubox-mcp/protocol.sh"

# Check if enabled
enabled=$(uci -q get ${CONFIG}.main.enabled || echo "1")
if [ "$enabled" != "1" ]; then
	echo '{"jsonrpc":"2.0","error":{"code":-32000,"message":"MCP server disabled"},"id":null}' >&2
	exit 1
fi

# Source protocol handler
if [ ! -f "$PROTOCOL_LIB" ]; then
	echo '{"jsonrpc":"2.0","error":{"code":-32000,"message":"Protocol library not found"},"id":null}' >&2
	exit 1
fi

. "$PROTOCOL_LIB"

# Log startup (to system log, not stdout which is for JSON-RPC)
logger -t secubox-mcp "MCP server started (v${SERVER_VERSION})"

# Main loop - read JSON-RPC requests from stdin, one per line
while IFS= read -r line; do
	# Skip empty lines
	[ -z "$line" ] && continue

	# Handle the request
	handle_request "$line"
done

logger -t secubox-mcp "MCP server stopped"