"use strict";

const test = require("node:test");
const assert = require("node:assert/strict");

const { createTokenRefresher } = require("../lib/tokenRefresher");

test("初回getToken呼び出しでgetUserAccessTokenを呼びトークンを返す", async () => {
    let calls = 0;
    const refresher = createTokenRefresher({
        getUserAccessToken: async () => {
            calls += 1;
            return `token-${calls}`;
        },
        thresholdMs: 50 * 60 * 1000,
        now: () => 0,
    });

    const token = await refresher.getToken();

    assert.equal(token, "token-1");
    assert.equal(calls, 1);
});

test("閾値未経過なら再取得せずキャッシュ済トークンを返す", async () => {
    let calls = 0;
    let currentTime = 0;
    const refresher = createTokenRefresher({
        getUserAccessToken: async () => {
            calls += 1;
            return `token-${calls}`;
        },
        thresholdMs: 50 * 60 * 1000,
        now: () => currentTime,
    });

    const first = await refresher.getToken();
    currentTime = 30 * 60 * 1000; // 30分経過(閾値50分未満)
    const second = await refresher.getToken();

    assert.equal(first, "token-1");
    assert.equal(second, "token-1");
    assert.equal(calls, 1);
});

test("閾値を超えて経過したら再取得する", async () => {
    let calls = 0;
    let currentTime = 0;
    const refresher = createTokenRefresher({
        getUserAccessToken: async () => {
            calls += 1;
            return `token-${calls}`;
        },
        thresholdMs: 50 * 60 * 1000,
        now: () => currentTime,
    });

    const first = await refresher.getToken();
    currentTime = 51 * 60 * 1000; // 51分経過(閾値50分超過)
    const second = await refresher.getToken();

    assert.equal(first, "token-1");
    assert.equal(second, "token-2");
    assert.equal(calls, 2);
});