/**
* Brightspace MCP Server
* Copyright (c) 2025 Rohan Muppa. All rights reserved.
* Licensed under AGPL-3.0 — see LICENSE file for details.
*/
import * as path from "node:path";
import * as os from "node:os";
import type { AppConfig } from "../types/index.js";
import { configStoreExists, loadConfigStore } from "./config-store.js";
export function loadConfig(): AppConfig {
const store = configStoreExists() ? loadConfigStore() : null;
if (store) {
console.error("[config] Loaded base config from ~/.brightspace-mcp/config.json");
} else {
console.error("[config] No config.json found, using environment variables");
}
// Resolve sessionDir: env > store > default
const sessionDir = process.env.D2L_SESSION_DIR
? expandTilde(process.env.D2L_SESSION_DIR)
: store?.sessionDir
? expandTilde(store.sessionDir)
: path.join(os.homedir(), ".d2l-session");
// Resolve headless: env > store > default (false)
let headless = store?.headless ?? false;
if (process.env.D2L_HEADLESS !== undefined) {
headless = process.env.D2L_HEADLESS === "true";
}
// Resolve tokenTtl: env > store > default (3600)
const tokenTtl = process.env.D2L_TOKEN_TTL
? parseInt(process.env.D2L_TOKEN_TTL, 10)
: store?.tokenTtl ?? 3600;
// Resolve includeCourseIds: env > store > undefined
const includeCourseIds = process.env.D2L_INCLUDE_COURSES
? process.env.D2L_INCLUDE_COURSES.split(',').map(s => parseInt(s.trim(), 10)).filter(n => !isNaN(n))
: store?.includeCourses;
// Resolve excludeCourseIds: env > store > undefined
const excludeCourseIds = process.env.D2L_EXCLUDE_COURSES
? process.env.D2L_EXCLUDE_COURSES.split(',').map(s => parseInt(s.trim(), 10)).filter(n => !isNaN(n))
: store?.excludeCourses;
// Resolve activeOnly: env > store > default (true)
let activeOnly = store?.activeOnly ?? true;
if (process.env.D2L_ACTIVE_ONLY !== undefined) {
activeOnly = process.env.D2L_ACTIVE_ONLY !== 'false';
}
return {
baseUrl: process.env.D2L_BASE_URL || store?.baseUrl || "https://purdue.brightspace.com",
sessionDir,
tokenTtl,
headless,
username: process.env.D2L_USERNAME || store?.username,
password: process.env.D2L_PASSWORD || store?.password,
totpSecret: process.env.MFA_TOTP_SECRET || store?.mfaTotpSecret,
courseFilter: {
includeCourseIds,
excludeCourseIds,
activeOnly,
},
};
}
function expandTilde(filePath: string): string {
if (filePath.startsWith("~")) {
return path.join(os.homedir(), filePath.slice(1));
}
return filePath;
}
export type { AppConfig };
