/* @vitest-environment node */

// ---------------------------------------------------------------------------
// Folder: lib/frontend
// File: authMessages.test.js
// Relative Path: lib/frontend/authMessages.test.js
// ---------------------------------------------------------------------------

import { describe, it, expect } from "vitest";
import { ApiClientError } from "@/lib/frontend/apiClient";
import { LOGIN_REASONS } from "@/lib/frontend/authRedirect";
import { getLoginReasonAlert, getLoginErrorMessage } from "./authMessages.js";

describe("lib/frontend/authMessages", () => {
	describe("getLoginReasonAlert", () => {
		it("returns alert copy for reason=expired", () => {
			expect(getLoginReasonAlert(LOGIN_REASONS.EXPIRED)).toEqual({
				title: "Session expired",
				description: "Your session has expired. Please log in again.",
			});
		});

		it("returns alert copy for reason=logged-out", () => {
			expect(getLoginReasonAlert(LOGIN_REASONS.LOGGED_OUT)).toEqual({
				title: "Logged out",
				description: "You have been logged out successfully.",
			});
		});

		it("returns null for unknown or missing reason", () => {
			expect(getLoginReasonAlert(null)).toBe(null);
			expect(getLoginReasonAlert("unknown")).toBe(null);
		});
	});

	describe("getLoginErrorMessage", () => {
		it("maps AUTH_INVALID_CREDENTIALS to a friendly message", () => {
			const err = new ApiClientError({
				status: 401,
				code: "AUTH_INVALID_CREDENTIALS",
				message: "Invalid credentials",
			});

			expect(getLoginErrorMessage(err)).toBe("Invalid username or password.");
		});

		it("maps CLIENT_NETWORK_ERROR to a friendly message", () => {
			const err = new ApiClientError({
				status: 0,
				code: "CLIENT_NETWORK_ERROR",
				message: "Network error",
			});

			expect(getLoginErrorMessage(err)).toBe(
				"Network error. Please check your connection and try again."
			);
		});

		it("uses a generic message for other errors", () => {
			expect(getLoginErrorMessage(new Error("boom"))).toBe(
				"Login failed. Please try again."
			);
		});
	});
});