import { Tool } from '@modelcontextprotocol/sdk/types.js';
import { GetMidiSummaryArgs, GetMidiSummaryResult } from '../types/tools.js';
import { LoadMidiFileTool } from './loadMidiFile.js';
import { MidiParser } from '../midi/parser.js';
import { MidiAnalyzer } from '../midi/analyzer.js';
export class GetMidiSummaryTool {
static definition: Tool = {
name: 'get_midi_summary',
description: 'Get comprehensive summary information about a MIDI file',
inputSchema: {
type: 'object',
properties: {
fileId: {
type: 'string',
description: 'ID of the loaded MIDI file'
},
filePath: {
type: 'string',
description: 'Path to the MIDI file (if not using fileId). Either fileId or filePath must be provided.'
}
}
}
};
static async execute(args: GetMidiSummaryArgs): Promise<GetMidiSummaryResult> {
try {
let loadedFile;
if (args.fileId) {
loadedFile = LoadMidiFileTool.getLoadedFile(args.fileId);
if (!loadedFile) {
throw new Error(`No loaded file found with ID: ${args.fileId}`);
}
} else if (args.filePath) {
// Try to find already loaded file
loadedFile = LoadMidiFileTool.getLoadedFileByPath(args.filePath);
if (!loadedFile) {
// Load the file
const loadResult = await LoadMidiFileTool.execute({ filePath: args.filePath });
loadedFile = LoadMidiFileTool.getLoadedFile(loadResult.fileId);
if (!loadedFile) {
throw new Error('Failed to load MIDI file');
}
}
} else {
throw new Error('Either fileId or filePath must be provided');
}
return loadedFile.summary;
} catch (error) {
throw new Error(`Failed to get MIDI summary: ${error instanceof Error ? error.message : 'Unknown error'}`);
}
}
}
