import { readFileSync, existsSync } from "node:fs";
import { resolve, dirname, join } from "node:path";
import { fileURLToPath } from "node:url";
import { homedir } from "node:os";
import { logger } from "./utils/logger.js";
export interface Config {
/** Path to "Arma Reforger Tools" installation */
workbenchPath: string;
/** Default project directory for project_browse */
projectPath: string;
/** Path to base game installation (auto-derived from workbenchPath) */
gamePath: string;
/** Directory containing scraped data index */
dataDir: string;
/** Directory containing mod pattern definitions */
patternsDir: string;
/** Workbench NET API host (default 127.0.0.1) */
workbenchHost: string;
/** Workbench NET API port (default 5775) */
workbenchPort: number;
}
const DEFAULT_WORKBENCH_PATH =
"C:\\Program Files (x86)\\Steam\\steamapps\\common\\Arma Reforger Tools";
const DEFAULTS: Config = {
workbenchPath: DEFAULT_WORKBENCH_PATH,
projectPath: join(homedir(), "Documents", "My Games", "ArmaReforgerWorkbench", "addons"),
gamePath: resolve(DEFAULT_WORKBENCH_PATH, "..", "Arma Reforger"),
dataDir: resolve(
dirname(fileURLToPath(import.meta.url)),
"..",
"data"
),
patternsDir: resolve(
dirname(fileURLToPath(import.meta.url)),
"..",
"data",
"patterns"
),
workbenchHost: "127.0.0.1",
workbenchPort: 5775,
};
function loadJsonFile(path: string): Partial<Config> {
try {
if (existsSync(path)) {
const raw = readFileSync(path, "utf-8");
return JSON.parse(raw) as Partial<Config>;
}
} catch (e) {
logger.warn(`Failed to load config from ${path}: ${e}`);
}
return {};
}
export function loadConfig(): Config {
// 1. Start with defaults
const config = { ...DEFAULTS };
// 2. Package-local config file
const localConfigPath = resolve(
dirname(fileURLToPath(import.meta.url)),
"..",
"enfusion-mcp.config.json"
);
Object.assign(config, loadJsonFile(localConfigPath));
// 3. User home config
const homeConfigPath = resolve(homedir(), ".enfusion-mcp", "config.json");
Object.assign(config, loadJsonFile(homeConfigPath));
// 4. Environment variables override everything
if (process.env.ENFUSION_WORKBENCH_PATH) {
config.workbenchPath = process.env.ENFUSION_WORKBENCH_PATH;
}
if (process.env.ENFUSION_PROJECT_PATH) {
config.projectPath = process.env.ENFUSION_PROJECT_PATH;
}
if (process.env.ENFUSION_GAME_PATH) {
config.gamePath = process.env.ENFUSION_GAME_PATH;
}
if (process.env.ENFUSION_MCP_DATA_DIR) {
config.dataDir = process.env.ENFUSION_MCP_DATA_DIR;
}
if (process.env.ENFUSION_WORKBENCH_HOST) {
config.workbenchHost = process.env.ENFUSION_WORKBENCH_HOST;
}
if (process.env.ENFUSION_WORKBENCH_PORT) {
const port = parseInt(process.env.ENFUSION_WORKBENCH_PORT, 10);
if (!isNaN(port) && port > 0 && port < 65536) {
config.workbenchPort = port;
}
}
// Auto-derive gamePath from workbenchPath if not explicitly set
if (!process.env.ENFUSION_GAME_PATH && config.workbenchPath !== DEFAULT_WORKBENCH_PATH) {
config.gamePath = resolve(config.workbenchPath, "..", "Arma Reforger");
}
logger.debug("Config loaded", config);
return config;
}
