import { Tool } from '@modelcontextprotocol/sdk/types.js';
import { getVersion } from '../version.js';
import { validateConfig } from '../config.js';
import { logger } from '../logger.js';
import { existsSync } from 'fs';
import { execSync } from 'child_process';
import os from 'os';
import { dirname } from 'path';
export interface InfoInput {
command: 'info';
}
export interface InfoOutput {
version: string;
musicAppAvailable: boolean;
appleScriptAvailable: boolean;
loggerPath: string;
loggerStatus: 'ok' | 'error';
configurationIssues: string[];
}
export const infoTool: Tool = {
name: 'info',
description: 'Get diagnostic information about the Music MCP server status',
inputSchema: {
type: 'object',
properties: {
command: {
type: 'string',
enum: ['info'],
description: 'Command to execute'
}
},
required: ['command']
}
};
export async function handleInfoCommand(): Promise<InfoOutput> {
logger.info('Handling info command');
const configurationIssues = validateConfig();
// Check Music app availability
let musicAppAvailable = false;
try {
execSync('osascript -e "tell application \\"Music\\" to get version"', {
timeout: 5000,
stdio: 'pipe'
});
musicAppAvailable = true;
} catch (error) {
configurationIssues.push('Music app not accessible or not installed');
}
// Check AppleScript availability
let appleScriptAvailable = false;
try {
execSync('which osascript', { timeout: 5000, stdio: 'pipe' });
appleScriptAvailable = true;
} catch (error) {
configurationIssues.push('AppleScript (osascript) not available');
}
// Check logger status - primarily using stderr now
let loggerPath = 'stderr (standard error)';
let loggerStatus: 'ok' | 'error' = 'ok';
// Check if file logging is enabled and accessible
if (process.env.NODE_ENV === 'development' || process.env.MUSIC_MCP_FILE_LOGGING === 'true') {
const logFile = process.env.MUSIC_MCP_LOG_FILE ||
`${os.homedir()}/Library/Logs/music-mcp.log`;
try {
const logDir = dirname(logFile);
if (existsSync(logDir) || existsSync(logFile)) {
loggerPath = `stderr + file: ${logFile}`;
} else {
loggerPath = `stderr (file logging failed: ${logFile})`;
configurationIssues.push(`Optional log file directory not accessible: ${logDir}`);
}
} catch (error) {
loggerPath = 'stderr (file logging disabled due to error)';
}
}
return {
version: getVersion(),
musicAppAvailable,
appleScriptAvailable,
loggerPath,
loggerStatus,
configurationIssues
};
}
