import { expect } from 'chai';
import { rm } from 'fs/promises';
import {
  readCsvFile, createCsvFile, Content, obj2csvRow, isCsvRow,
} from '../../src/utils/csv';
import { getTestPath, randomString } from './utils';

describe('utils/csv', () => {
  let filePath: string;
  let title: string[];
  let content: Content[];

  beforeEach(async () => {
    filePath = getTestPath(`${randomString()}.csv`);
    title = ['name', 'sex', 'age'];
    content = [
      { name: '张三', sex: '男', age: '12' },
      { name: '李四', sex: '女', age: '15' },
      { name: '王五', sex: '男', age: '23' },
      { name: '王五', sex: '男', age: '23' },
      { name: '凤吖头"^_^"', sex: '男', age: '["529449726414774272","529449734832742400","529449742395064321","529449746937495552"]' },
    ];
    await createCsvFile(filePath, title, content);
  });

  afterEach(() => rm(filePath));

  it('将csv文件内容以js对象的格式读取', async () => {
    const res = await readCsvFile(filePath);
    expect(res).to.deep.equals(content);
  });

  it('将js对象转换为csv字符串', async () => {
    const str = await obj2csvRow(
      title,
      {
        name: '凤吖头"^_^"',
        sex: '男',
        age: '{"cids":["529449726414774272","529449734832742400","529449742395064321","529449746937495552"]}',
      },
    );
    expect(str).to.deep.equals('"凤吖头""^_^""","男","{""cids"":[""529449726414774272"",""529449734832742400"",""529449742395064321"",""529449746937495552""]}"\n');
  });

  /* eslint-disable @typescript-eslint/no-unused-expressions */
  it('csv格式校验（不带引号）', async () => {
    expect(await isCsvRow('a,b,c,d', 4)).to.be.true;
  });

  it('csv格式校验 （处理双引号）', async () => {
    expect(await isCsvRow('"a","b","c",d', 4)).to.be.true;
  });

  it('csv格式校验（处理带换行符）', async () => {
    expect(await isCsvRow('"a","b","c",d\n', 4)).to.be.true;
  });

  it('csv格式校验（处理空数据）', async () => {
    expect(await isCsvRow('"a","b","c",', 3)).to.be.false;
  });

  it('csv格式校验（处理尾部逗号）', async () => {
    expect(await isCsvRow('"a","b","c""",', 3)).to.be.false;
  });

  it('csv格式校验（处理头部逗号）', async () => {
    expect(await isCsvRow(',"a","b",c', 3)).to.be.false;
  });

  it('csv格式校验（处理奇怪的引号）', async () => {
    expect(await isCsvRow('a,"b,c', 3)).to.be.false;
  });

  it('csv格式校验（处理json）', async () => {
    expect(await isCsvRow('"a","b",c,"{""cids"":[""529449726414774272"",""529449734832742400""]"', 4)).to.be.true;
  });
});