'use strict';

const { test } = require('node:test');
const assert = require('node:assert/strict');
const {
    compareVersionArrays,
    parseStableVersions,
    latestStableVersion,
    nextReleaseVersion,
    nextBetaNumber,
    nextVersion,
    calculateVersion,
} = require('../version');

test('compareVersionArrays 逐區段數值比較，較短者視為較小', () => {
    assert.ok(compareVersionArrays([1, 10, 0], [1, 9, 0]) > 0);
    assert.ok(compareVersionArrays([1, 2], [1, 2, 0]) < 0);
    assert.equal(compareVersionArrays([1, 2, 3], [1, 2, 3]), 0);
    assert.ok(compareVersionArrays([2, 0, 0], [1, 9, 9]) > 0);
});

test('parseStableVersions 排除 beta、去除前綴 v 並驗證數字格式', () => {
    const releases = [
        { tag_name: 'v1.2.3' },
        { tag_name: '2.0.0' },
        { tag_name: 'v1.3.0-beta.1' },
        { tag_name: 'nightly' },
        { tag_name: null },
        null,
    ];
    assert.deepEqual(parseStableVersions(releases), [[1, 2, 3], [2, 0, 0]]);
});

test('parseStableVersions 對非陣列回傳空陣列', () => {
    assert.deepEqual(parseStableVersions(null), []);
    assert.deepEqual(parseStableVersions(undefined), []);
});

test('latestStableVersion 在無資料時回傳 0.0.0', () => {
    assert.equal(latestStableVersion([]), '0.0.0');
    assert.equal(latestStableVersion([{ tag_name: 'v1.0.0-beta.1' }]), '0.0.0');
});

test('latestStableVersion 取最新的穩定版（含跨區段比較）', () => {
    assert.equal(latestStableVersion([
        { tag_name: 'v1.9.0' },
        { tag_name: 'v1.10.0' },
        { tag_name: 'v1.2.3' },
    ]), '1.10.0');
});

test('nextReleaseVersion 對 patch 進位', () => {
    assert.equal(nextReleaseVersion('0.0.0'), '0.0.1');
    assert.equal(nextReleaseVersion('1.2.3'), '1.2.4');
});

test('nextReleaseVersion 在 patch 達 10 時進位至 minor', () => {
    assert.equal(nextReleaseVersion('1.2.9'), '1.3.0');
});

test('nextReleaseVersion 在 minor 也達 10 時進位至 major', () => {
    assert.equal(nextReleaseVersion('1.9.9'), '2.0.0');
});

test('nextBetaNumber 在查無對應 beta 時回傳 1', () => {
    assert.equal(nextBetaNumber([], '1.2.4'), 1);
    assert.equal(nextBetaNumber([{ tag_name: 'v9.9.9-beta.5' }], '1.2.4'), 1);
    assert.equal(nextBetaNumber(null, '1.2.4'), 1);
});

test('nextBetaNumber 取對應 beta 流水號最大值 + 1', () => {
    const releases = [
        { tag_name: 'v1.2.4-beta.1' },
        { tag_name: 'v1.2.4-beta.3' },
        { tag_name: 'v1.2.4-beta.2' },
        { tag_name: 'v1.2.5-beta.9' },
    ];
    assert.equal(nextBetaNumber(releases, '1.2.4'), 4);
});

test('nextVersion 依舊版本計算下一個穩定版', () => {
    assert.equal(nextVersion('1.2.3', [], false), '1.2.4');
    assert.equal(nextVersion('0.0.0', [], false), '0.0.1');
});

test('nextVersion 依舊版本計算下一個 beta 版', () => {
    const releases = [{ tag_name: 'v1.2.4-beta.2' }];
    assert.equal(nextVersion('1.2.3', releases, true), '1.2.4-beta.3');
});

test('calculateVersion 計算下一個穩定版', () => {
    assert.deepEqual(
        calculateVersion([{ tag_name: 'v1.2.3' }], false),
        { latest: '1.2.3', version: '1.2.4' },
    );
});

test('calculateVersion 計算下一個 beta 版', () => {
    const releases = [
        { tag_name: 'v1.2.3' },
        { tag_name: 'v1.2.4-beta.2' },
    ];
    assert.deepEqual(
        calculateVersion(releases, true),
        { latest: '1.2.3', version: '1.2.4-beta.3' },
    );
});

test('calculateVersion 在無任何 release 時的預設值', () => {
    assert.deepEqual(calculateVersion([], false), { latest: '0.0.0', version: '0.0.1' });
    assert.deepEqual(calculateVersion([], true), { latest: '0.0.0', version: '0.0.1-beta.1' });
});