import { beforeEach, describe, expect, it, vi } from "vitest";

const mocks = vi.hoisted(() => ({
	error: vi.fn(),
}));

vi.mock("$lib/server/logger", () => ({
	logger: { error: mocks.error },
}));

import { handleServerError } from "./error";

describe("handleServerError", () => {
	beforeEach(() => mocks.error.mockReset());

	it("logs a plain request summary without native Headers or credentials", async () => {
		const request = new Request("https://example.com/api/conversation/test", {
			method: "POST",
			headers: {
				authorization: "Bearer secret-never-log",
				cookie: "session=secret-never-log",
			},
		});

		const result = await handleServerError({
			error: new Error("upstream failed"),
			event: {
				locals: {},
				params: {},
				request,
				route: { id: "/api/conversation/[id]" },
				url: new URL(request.url),
			} as never,
			status: 500,
			message: "Internal Error",
		} as never);

		expect(result.message).toBe("An error occurred");
		expect(mocks.error).toHaveBeenCalledOnce();
		const logged = mocks.error.mock.calls[0]?.[0];
		expect(logged.request).toEqual({ method: "POST", mode: "cors" });
		expect(Object.getPrototypeOf(logged.request)).toBe(Object.prototype);
		expect(JSON.stringify(logged)).not.toContain("secret-never-log");
	});
});