// Tests for LabdApiError.

import { describe, it, expect } from "vitest";
import { LabdApiError, isLabdApiError } from "../src/api/errors.js";

describe("LabdApiError", () => {
  it("constructs with status code and message", () => {
    const err = new LabdApiError(404, "Not found");
    expect(err.statusCode).toBe(404);
    expect(err.message).toBe("Not found");
    expect(err.errorCode).toBe("NOT_FOUND");
  });

  it("fromResponse parses error body", () => {
    const err = LabdApiError.fromResponse(400, {
      error: "Invalid input",
      detail: "hostname required",
    });
    expect(err.statusCode).toBe(400);
    expect(err.message).toBe("Invalid input");
    expect(err.detail).toBe("hostname required");
  });

  it("fromResponse handles non-object body", () => {
    const err = LabdApiError.fromResponse(500, "plain text");
    expect(err.statusCode).toBe(500);
    expect(err.message).toBe("HTTP 500");
  });

  it("notConnected creates connection error", () => {
    const err = LabdApiError.notConnected("https://localhost:8443");
    expect(err.statusCode).toBe(0);
    expect(err.errorCode).toBe("CONNECTION_ERROR");
    expect(err.message).toContain("localhost:8443");
  });

  it("timeout creates timeout error", () => {
    const err = LabdApiError.timeout(30000);
    expect(err.message).toContain("30000ms");
  });
});

describe("isLabdApiError", () => {
  it("returns true for LabdApiError", () => {
    expect(isLabdApiError(new LabdApiError(500, "err"))).toBe(true);
  });

  it("returns false for regular Error", () => {
    expect(isLabdApiError(new Error("nope"))).toBe(false);
  });

  it("returns false for non-errors", () => {
    expect(isLabdApiError(null)).toBe(false);
    expect(isLabdApiError("string")).toBe(false);
  });
});