import { test } from "node:test"
import assert from "node:assert"
import lib from "../tailscalectl/lib.js"
const { parsePeers, makeExitNodeCommand } = lib

test("parsePeers extracts exitNode from ExitNodeOption", () => {
    const peerMap = {
        "peer-1": {
            HostName: "router",
            TailscaleIPs: ["100.64.0.1"],
            Online: true,
            ExitNodeOption: true
        },
        "peer-2": {
            HostName: "laptop",
            TailscaleIPs: ["100.64.0.2"],
            Online: true,
            ExitNodeOption: false
        }
    }

    const peers = parsePeers(peerMap)

    assert.strictEqual(peers[0].exitNode, true)
    assert.strictEqual(peers[1].exitNode, false)
})

test("makeExitNodeCommand returns tailscale set command for hostname", () => {
    const cmd = makeExitNodeCommand("router")
    assert.deepStrictEqual(cmd, ["tailscale", "set", "--exit-node=router"])
})

test("makeExitNodeCommand with empty string clears exit node", () => {
    const cmd = makeExitNodeCommand("")
    assert.deepStrictEqual(cmd, ["tailscale", "set", "--exit-node="])
})