import test from 'node:test';
import assert from 'node:assert/strict';
import config from '../src/config/index.js';
import { Decrypt, Encrypt, decryptUrlMiddle } from '../src/util/crypto/index.js';
import { stringUtils } from '../src/util/stringClass.js';
import { GetReaderBooksChapter, GetReaderBooksChapterContent } from '../src/api/yjbdc/readerController.js';
import { buildTextbookWordsQuery } from '../src/model/miaoguo.js';
import { buildCambridgeCategoryUnits } from '../src/api/miaoguo/miaoguoController.js';

test('ReplaceAllString 将正则特殊字符按普通文本替换', () => {
    assert.equal(stringUtils.ReplaceAllString('a+b+c', '+', '___'), 'a___b___c');
    assert.equal(stringUtils.ReplaceAllString('a.b.c', '.', '-'), 'a-b-c');
});

test('Decrypt 正常往返并将无效密文标记为 400', () => {
    const encrypted = Encrypt('Ping?UserID=1', config.urlSecrets.aes_key, config.urlSecrets.aes_iv);
    assert.equal(Decrypt(encrypted, config.urlSecrets.aes_key, config.urlSecrets.aes_iv), 'Ping?UserID=1');

    assert.throws(
        () => Decrypt('not encrypted', config.urlSecrets.aes_key, config.urlSecrets.aes_iv),
        error => error.name === 'InvalidEncryptedDataError' && error.status === 400
    );
    assert.throws(
        () => Decrypt('AAAAAAAAAAAAAAAAAAAAAA==', config.urlSecrets.aes_key, config.urlSecrets.aes_iv),
        error => error.name === 'InvalidEncryptedDataError' && error.status === 400
    );
});

test('URL 解密中间件忽略 apiData 下的普通静态资源路径', async () => {
    const previousRequire = config.urlSecrets.require;
    config.urlSecrets.require = true;
    const ctx = { request: { url: '/apiData/web/School/0221_02.jpeg' } };
    let nextCalled = false;
    try {
        await decryptUrlMiddle()(ctx, async () => { nextCalled = true; });
    } finally {
        config.urlSecrets.require = previousRequire;
    }

    assert.equal(nextCalled, true);
    assert.equal(ctx.request.url, '/apiData/web/School/0221_02.jpeg');
});

test('URL 解密中间件只重写有效的加密 API 地址', async () => {
    const previousRequire = config.urlSecrets.require;
    config.urlSecrets.require = true;
    const encrypted = Encrypt('Ping?UserID=1', config.urlSecrets.aes_key, config.urlSecrets.aes_iv);
    const ctx = { request: { url: `/apiData/${encodeURIComponent(encrypted)}` } };
    try {
        await decryptUrlMiddle()(ctx, async () => {});
    } finally {
        config.urlSecrets.require = previousRequire;
    }

    assert.equal(ctx.request.url, '/api/Ping?UserID=1');
});

test('阅读器章节接口拒绝缺失或不在书单内的 Title', async () => {
    for (const controller of [GetReaderBooksChapter, GetReaderBooksChapterContent]) {
        const ctx = { query: { Title: '' } };
        await controller(ctx);
        assert.equal(ctx.status, 400);
        assert.deepEqual(ctx.body, { errcode: 400, errStr: '无效的书名' });
    }
});

test('阅读器正文接口校验章节号并正确换算回到过去变成猫的章节', async () => {
    const invalidCtx = { query: { Title: 'Strange-Life-of-a-Cat', Chapter: 'not-a-number' } };
    await GetReaderBooksChapterContent(invalidCtx);
    assert.equal(invalidCtx.status, 400);
    assert.deepEqual(invalidCtx.body, { errcode: 400, errStr: '无效的章节号' });

    const validCtx = { query: { Title: 'Strange-Life-of-a-Cat', Chapter: '1' } };
    await GetReaderBooksChapterContent(validCtx);
    assert.equal(validCtx.body.errcode, 10000);
    assert.ok(validCtx.body.result.length > 0);
});

test('教材释义查询不生成空的 IN 条件并参数化单词', () => {
    assert.equal(buildTextbookWordsQuery([]), null);
    assert.equal(buildTextbookWordsQuery(''), null);

    const textbookQuery = buildTextbookWordsQuery(['abandon', "student's"]);
    assert.deepEqual(textbookQuery.params, ['abandon', "student's"]);
    assert.match(textbookQuery.sql, /Word in \(\?,\?\)/);
    assert.equal(textbookQuery.sql.includes('abandon'), false);

    const legacyQuery = buildTextbookWordsQuery('"ability","about"');
    assert.deepEqual(legacyQuery.params, ['ability', 'about']);
});

test('剑桥分类词汇按每十个单词生成课程并保留尾组', () => {
    const words = Array.from({ length: 23 }, (_, index) => ({ Word: 'word' + (index + 1) }));
    const testFunction = [{ N: 'read' }];
    const units = buildCambridgeCategoryUnits(words, testFunction);

    assert.deepEqual(units.map(item => item.ID), [1, 2, 3]);
    assert.deepEqual(units.map(item => item.UnitName), ['Lesson 1', 'Lesson 2', 'Lesson 3']);
    assert.deepEqual(units.map(item => item.Length), [10, 10, 3]);
    assert.equal(units[2].ListStr, 'word21、word22、word23');
    assert.equal(units[0].TestFunction, testFunction);
    assert.deepEqual(buildCambridgeCategoryUnits([], testFunction), []);
});