import { readdir, stat } from 'fs/promises';
import { join, relative, extname } from 'path';
import { readFileWithEncoding } from '../parsers/encoding.js';
import { parsePDF } from '../parsers/pdf.js';
import { parseCSVAsString } from '../parsers/csv.js';
import { parseWord } from '../parsers/word.js';
import { parsePowerPoint } from '../parsers/powerpoint.js';
import { readExcelFileAsString } from '../parsers/excel.js';
/**
* List directory contents
*/
export async function listDirectory(dirPath, rootPath) {
try {
const entries = await readdir(dirPath);
const fileInfos = [];
for (const entry of entries) {
const fullPath = join(dirPath, entry);
const stats = await stat(fullPath);
const relativePath = relative(rootPath, fullPath);
fileInfos.push({
name: entry,
path: relativePath,
type: stats.isDirectory() ? 'directory' : 'file',
size: stats.isFile() ? stats.size : undefined,
modified: stats.mtime
});
}
return fileInfos;
}
catch (error) {
throw new Error(`Failed to list directory: ${error instanceof Error ? error.message : String(error)}`);
}
}
/**
* Get file information
*/
export async function getFileInfo(filePath, rootPath) {
try {
const stats = await stat(filePath);
const relativePath = relative(rootPath, filePath);
const name = filePath.split('/').pop() || filePath;
return {
name,
path: relativePath,
type: stats.isDirectory() ? 'directory' : 'file',
size: stats.isFile() ? stats.size : undefined,
modified: stats.mtime
};
}
catch (error) {
throw new Error(`Failed to get file info: ${error instanceof Error ? error.message : String(error)}`);
}
}
/**
* Read file content with automatic format detection
*/
export async function readFileContent(filePath) {
try {
const ext = extname(filePath).toLowerCase();
switch (ext) {
case '.pdf':
return await parsePDF(filePath);
case '.csv':
return await parseCSVAsString(filePath);
case '.docx':
return await parseWord(filePath);
case '.pptx':
return await parsePowerPoint(filePath);
case '.xlsx':
case '.xls':
return await readExcelFileAsString(filePath);
case '.txt':
case '.md':
case '.json':
case '.xml':
case '.html':
case '.css':
case '.js':
case '.ts':
case '.py':
case '.java':
case '.c':
case '.cpp':
case '.h':
case '.sh':
case '.yaml':
case '.yml':
return await readFileWithEncoding(filePath);
default:
// Try to read as text with encoding detection
try {
return await readFileWithEncoding(filePath);
}
catch {
throw new Error(`Unsupported file type: ${ext}`);
}
}
}
catch (error) {
throw new Error(`Failed to read file: ${error instanceof Error ? error.message : String(error)}`);
}
}
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