import { existsSync } from "node:fs";
import { resolve, join } from "node:path";
import { homedir, platform } from "node:os";
// ---------------------------------------------------------------------------
// Log Level
// ---------------------------------------------------------------------------
export type LogLevel = "debug" | "info" | "error";
function parseLogLevel(raw: string | undefined): LogLevel {
if (raw === "debug" || raw === "info" || raw === "error") return raw;
return "info";
}
export const LOG_LEVEL: LogLevel = parseLogLevel(process.env.MCP_LOG_LEVEL);
// ---------------------------------------------------------------------------
// Logger (writes to stderr so it doesn't interfere with MCP stdio transport)
// ---------------------------------------------------------------------------
const LEVEL_PRIORITY: Record<LogLevel, number> = { debug: 0, info: 1, error: 2 };
export function log(level: LogLevel, message: string, meta?: Record<string, unknown>): void {
if (LEVEL_PRIORITY[level] < LEVEL_PRIORITY[LOG_LEVEL]) return;
const entry = { ts: new Date().toISOString(), level, message, ...meta };
process.stderr.write(JSON.stringify(entry) + "\n");
}
// ---------------------------------------------------------------------------
// OrcaSlicer binary auto-detection
// ---------------------------------------------------------------------------
function detectOrcaSlicerPath(): string {
const os = platform();
const candidates: string[] = [];
if (os === "win32") {
const pf = process.env.PROGRAMFILES ?? "C:\\Program Files";
candidates.push(
join(pf, "OrcaSlicer", "orca-slicer.exe"),
join(pf, "OrcaSlicer", "orca-slicer-console.exe"),
);
} else if (os === "darwin") {
candidates.push(
"/Applications/OrcaSlicer.app/Contents/MacOS/OrcaSlicer",
);
} else {
// Linux / other
candidates.push("/usr/bin/orca-slicer", "/usr/local/bin/orca-slicer");
}
for (const c of candidates) {
if (existsSync(c)) return c;
}
return candidates[0]; // fallback – health_check will report it missing
}
function detectOrcaUserDir(): string {
const os = platform();
const home = homedir();
if (os === "win32") {
return join(process.env.APPDATA ?? join(home, "AppData", "Roaming"), "OrcaSlicer");
}
if (os === "darwin") {
return join(home, "Library", "Application Support", "OrcaSlicer");
}
return join(home, ".config", "OrcaSlicer");
}
// ---------------------------------------------------------------------------
// Exported configuration (mutable for testability via overrideConfig)
// ---------------------------------------------------------------------------
export let ORCA_SLICER_PATH: string =
process.env.ORCA_SLICER_PATH ?? detectOrcaSlicerPath();
export let ORCA_USER_DIR: string =
process.env.ORCA_USER_DIR ?? detectOrcaUserDir();
/**
* Parse --workdir from CLI args, falling back to cwd.
*/
function parseWorkdir(): string {
const args = process.argv.slice(2);
for (const arg of args) {
const match = arg.match(/^--workdir=(.+)$/);
if (match) return resolve(match[1]);
}
return process.cwd();
}
export let WORKDIR: string = parseWorkdir();
/** Default timeout for slicing operations (ms). */
export const SLICE_TIMEOUT_MS = 300_000; // 5 minutes
/**
* Override configuration values at runtime (primarily for testing).
*/
export function overrideConfig(overrides: {
workdir?: string;
orcaUserDir?: string;
orcaSlicerPath?: string;
}): void {
if (overrides.workdir !== undefined) WORKDIR = resolve(overrides.workdir);
if (overrides.orcaUserDir !== undefined) ORCA_USER_DIR = resolve(overrides.orcaUserDir);
if (overrides.orcaSlicerPath !== undefined) ORCA_SLICER_PATH = overrides.orcaSlicerPath;
}
