import { describe, expect, it } from "bun:test";
import * as connectionManager from "../../src/ssh/connection-manager";

describe("buildRemoteCommand", () => {
	it("includes -n and OpenSSH ControlMaster options on Unix-like platforms", async () => {
		const args = await connectionManager.buildRemoteCommand(
			{
				name: "host",
				host: "192.168.3.146",
			},
			"ls -la",
			{ platform: "linux" },
		);

		expect(args[0]).toBe("-n");
		expect(args).toContain("ControlMaster=auto");
		expect(args.at(-2)).toBe("192.168.3.146");
		expect(args.at(-1)).toBe("ls -la");
	});

	it("omits OpenSSH ControlMaster options on Windows", async () => {
		const args = await connectionManager.buildRemoteCommand(
			{
				name: "host",
				host: "192.168.3.146",
			},
			"ls -la",
			{ platform: "win32" },
		);

		expect(args[0]).toBe("-n");
		expect(args).not.toContain("ControlMaster=auto");
		expect(args.some(arg => arg.startsWith("ControlPath="))).toBe(false);
		expect(args).not.toContain("ControlPersist=3600");
		expect(args).toContain("BatchMode=yes");
		expect(args.at(-2)).toBe("192.168.3.146");
		expect(args.at(-1)).toBe("ls -la");
	});
});

describe("supportsSshControlMaster", () => {
	it("disables OpenSSH connection multiplexing on native Windows", () => {
		expect(connectionManager.supportsSshControlMaster("win32")).toBe(false);
	});

	it("keeps OpenSSH connection multiplexing on Unix-like platforms", () => {
		expect(connectionManager.supportsSshControlMaster("linux")).toBe(true);
		expect(connectionManager.supportsSshControlMaster("darwin")).toBe(true);
	});
});