/**
* Platform-specific path resolution for mcp-abap-adt
*
* Defines default paths for service keys and sessions:
* - Unix: ~/.config/mcp-abap-adt/service-keys, ~/.config/mcp-abap-adt/sessions
* - Windows: %USERPROFILE%\Documents\mcp-abap-adt\service-keys, %USERPROFILE%\Documents\mcp-abap-adt\sessions
*/
import * as os from 'node:os';
import * as path from 'node:path';
/**
* Get platform-specific default paths for service keys and sessions
*
* Priority:
* 1. Custom path (if provided)
* 2. AUTH_BROKER_PATH environment variable
* 3. Platform-specific standard paths:
* - Unix: ~/.config/mcp-abap-adt/service-keys, ~/.config/mcp-abap-adt/sessions
* - Windows: %USERPROFILE%\Documents\mcp-abap-adt\service-keys, %USERPROFILE%\Documents\mcp-abap-adt\sessions
* 4. Current working directory (process.cwd())
*
* @param customPath Optional custom path (highest priority)
* @param subfolder Subfolder name ('service-keys' or 'sessions')
* @returns Array of resolved absolute paths
*/
export function getPlatformPaths(
customPath?: string | string[],
subfolder?: 'service-keys' | 'sessions',
): string[] {
const paths: string[] = [];
const isWindows = process.platform === 'win32';
// Priority 1: Custom path from constructor
// customPath is ALWAYS a base path - we add subfolder to it
if (customPath) {
if (Array.isArray(customPath)) {
// For arrays, add subfolder to each path if subfolder is specified
paths.push(
...customPath.map((p) => {
let resolved = path.resolve(p);
// If path already ends with subfolder, use parent directory as base
if (subfolder && path.basename(resolved) === subfolder) {
resolved = path.dirname(resolved);
}
return subfolder ? path.join(resolved, subfolder) : resolved;
}),
);
} else {
// For single path, add subfolder if specified
// customPath is ALWAYS a base path - we add subfolder to it
let resolved = path.resolve(customPath);
// If path already ends with subfolder, use parent directory as base
if (subfolder && path.basename(resolved) === subfolder) {
resolved = path.dirname(resolved);
}
paths.push(subfolder ? path.join(resolved, subfolder) : resolved);
}
}
// Priority 2: AUTH_BROKER_PATH environment variable
// AUTH_BROKER_PATH is ALWAYS a base path - we add subfolder to it
const envPath = process.env.AUTH_BROKER_PATH;
if (envPath) {
// Support both colon (Unix) and semicolon (Windows) separators
const envPaths = envPath
.split(/[:;]/)
.map((p) => p.trim())
.filter((p) => p.length > 0);
paths.push(
...envPaths.map((p) => {
let resolved = path.resolve(p);
// If path already ends with subfolder, use parent directory as base
if (subfolder && path.basename(resolved) === subfolder) {
resolved = path.dirname(resolved);
}
return subfolder ? path.join(resolved, subfolder) : resolved;
}),
);
}
// Priority 3: Platform-specific standard paths
if (paths.length === 0) {
// Only add platform-specific paths if no custom paths were provided
const homeDir = os.homedir();
if (isWindows) {
// Windows: %USERPROFILE%\Documents\mcp-abap-adt\{subfolder}
const basePath = path.join(homeDir, 'Documents', 'mcp-abap-adt');
if (subfolder) {
paths.push(path.join(basePath, subfolder));
} else {
paths.push(basePath);
}
} else {
// Unix (Linux/macOS): ~/.config/mcp-abap-adt/{subfolder}
const basePath = path.join(homeDir, '.config', 'mcp-abap-adt');
if (subfolder) {
paths.push(path.join(basePath, subfolder));
} else {
paths.push(basePath);
}
}
}
// Priority 4: Current working directory (always added as fallback)
paths.push(process.cwd());
// Remove duplicates while preserving order
const uniquePaths: string[] = [];
const seen = new Set<string>();
for (const p of paths) {
const normalized = path.normalize(p);
if (!seen.has(normalized)) {
seen.add(normalized);
uniquePaths.push(normalized);
}
}
return uniquePaths;
}
