/**
 * xAI / SuperGrok constants.
 * Verified against grok-cli / opencode / agent-zero integrations.
 */

/**
 * Public Grok-CLI OAuth client_id (not a secret).
 * xAI rejects loopback OAuth from non-allowlisted clients, so third-party tools
 * reuse this public client + PKCE. Override with SUPERGROK_CLIENT_ID if needed.
 */
export const CLIENT_ID =
	process.env.SUPERGROK_CLIENT_ID?.trim() || "b1a00492-073a-47ea-816f-4c329264a828";
export const AUTHORIZE_URL = "https://auth.x.ai/oauth2/authorize";
export const TOKEN_URL = "https://auth.x.ai/oauth2/token";
export const DEVICE_CODE_URL = "https://auth.x.ai/oauth2/device/code";
export const DEVICE_CODE_GRANT = "urn:ietf:params:oauth:grant-type:device_code";
export const SCOPE = "openid profile email offline_access grok-cli:access api:access";
export const API_BASE = "https://api.x.ai/v1";
export const MODELS_URL = `${API_BASE}/models`;

/** redirect_uri is part of the client registration — host:port must match exactly. */
export const OAUTH_HOST = "127.0.0.1";
export const OAUTH_PORT = 56121;
export const OAUTH_REDIRECT_PATH = "/callback";
export const REDIRECT_URI = `http://${OAUTH_HOST}:${OAUTH_PORT}${OAUTH_REDIRECT_PATH}`;

/** Refresh a bit early so a long tool call doesn't hit a mid-flight 401. */
export const REFRESH_SKEW_MS = 2 * 60 * 1000;

/** Don't hang startup forever if xAI is slow / unreachable. */
export const MODELS_FETCH_TIMEOUT_MS = 8_000;

export const XAI_COMPAT = {
	supportsStore: false,
	supportsDeveloperRole: false,
	supportsReasoningEffort: false,
} as const;

export const FORM_HEADERS = {
	"Content-Type": "application/x-www-form-urlencoded",
	Accept: "application/json",
} as const;