import path from "node:path";
import type { Provider } from "./types.js";
const HARDCODED_DEFAULTS: Record<Provider, string> = {
codex: "gpt-5.3-codex",
gemini: "gemini-3-pro-preview",
};
const DEFAULT_TIMEOUT_MS = 600000;
const DEFAULT_MAX_OUTPUT_BYTES = 1048576;
function readEnvNumber(name: string): number | undefined {
const raw = process.env[name];
if (!raw) {
return undefined;
}
const value = Number.parseInt(raw, 10);
if (!Number.isFinite(value) || value <= 0) {
return undefined;
}
return value;
}
function readEnvFlag(name: string): boolean {
return process.env[name] === "1";
}
function getBaseDir(cwd?: string): string {
return path.resolve(cwd ?? process.cwd());
}
export function getDefaultModel(provider: Provider): string {
const envName =
provider === "codex"
? "MCP_CODEX_DEFAULT_MODEL"
: "MCP_GEMINI_DEFAULT_MODEL";
const envModel = process.env[envName]?.trim();
if (envModel) {
return envModel;
}
return HARDCODED_DEFAULTS[provider];
}
export function resolveModel(provider: Provider, requestedModel?: string): string {
const requested = requestedModel?.trim();
if (requested) {
return requested;
}
return getDefaultModel(provider);
}
export function getDefaultTimeoutMs(): number {
return readEnvNumber("MCP_CLI_TIMEOUT_MS") ?? DEFAULT_TIMEOUT_MS;
}
export function getMaxOutputBytes(): number {
return readEnvNumber("MCP_MAX_OUTPUT_BYTES") ?? DEFAULT_MAX_OUTPUT_BYTES;
}
export function getLoggingFlags(): { preview: boolean; fullText: boolean } {
return {
preview: readEnvFlag("MCP_LOG_PREVIEW"),
fullText: readEnvFlag("MCP_LOG_FULL_TEXT"),
};
}
export function getRuntimeDir(cwd?: string): string {
const configured = process.env.MCP_RUNTIME_DIR?.trim();
if (configured) {
return path.resolve(configured);
}
return path.join(getBaseDir(cwd), ".codex-gemini-mcp");
}
export function getLogDir(cwd?: string): string {
const configured = process.env.MCP_LOG_DIR?.trim();
if (configured) {
return path.resolve(configured);
}
return path.join(getRuntimeDir(cwd), "logs");
}
export function getJobsDir(cwd?: string): string {
return path.join(getRuntimeDir(cwd), "jobs");
}
export function getPromptsDir(cwd?: string): string {
return path.join(getRuntimeDir(cwd), "prompts");
}
