import { describe, expect, it } from "vitest";
import { resolveConfig } from "#lib/server/config.ts";

const fosterKnotUrl = (foster?: string) => resolveConfig({ FOSTER_KNOT_URL: foster }).fosterKnotUrl;

describe("resolveConfig fosterKnotUrl", () => {
	it("parses a bare-origin url into the knot origin, ignoring a trailing slash", () => {
		expect(fosterKnotUrl("https://foster.test")).toBe("foster.test");
		expect(fosterKnotUrl("https://foster.test/")).toBe("foster.test");
		expect(fosterKnotUrl("http://127.0.0.1:5555")).toBe("127.0.0.1:5555");
	});

	it("is empty when unset or blank", () => {
		expect(fosterKnotUrl()).toBe("");
		expect(fosterKnotUrl("  ")).toBe("");
	});

	it.each(["https://foster.test/foster", "foster.test"])(
		"rejects %s at config load instead of quietly routing reads to the origin",
		(url) => {
			expect(() => fosterKnotUrl(url)).toThrow(/FOSTER_KNOT_URL/);
		}
	);
});

describe("resolveConfig metrics export", () => {
	it("is off unless an endpoint is set, and names the service svfe", () => {
		expect(resolveConfig({})).toMatchObject({ otlpEndpoint: "", otlpServiceName: "svfe" });
	});

	it("reads the collector, its login and the resource from the env", () => {
		expect(
			resolveConfig({
				SVFE_OTLP_ENDPOINT: "https://telemetry.test/",
				SVFE_OTLP_AUTH: " user:pass ",
				SVFE_OTLP_SERVICE_NAME: "svfe-prod",
				OTEL_RESOURCE_ATTRIBUTES: "cloud.region=europe-north1"
			})
		).toMatchObject({
			otlpEndpoint: "https://telemetry.test",
			otlpAuth: "user:pass",
			otlpServiceName: "svfe-prod",
			otlpResourceAttributes: "cloud.region=europe-north1"
		});
	});
});