import 'jest';
import { find, arrayItemOperation, processArray } from './deepMerge';

describe('find', () => {
  it('number', () => {
    const src = [0, 1, 2, 3, 4, 5, 6];
    expect(find(src, 1)).toBe(1);
  });

  it('string', () => {
    const src = ['0', '1', '2', '3', '4', '5', '6'];
    expect(find(src, '1')).toBe(1);
  });

  it('objects as ref', () => {
    const value = { '0': '0' };
    const src = [value, '1', '2', '3', '4', '5', '6'];
    expect(find(src, value)).toBe(0);
  });

  it('objects as structure equals', () => {
    const src = [{ '0': '0' }, '1', '2', '3', '4', '5', '6'];
    expect(find(src, { '0': '0' })).toBe(0);
  });
});

describe('arrayItemOperation', () => {
  it('leave intact if there is no remove', () => {
    expect(arrayItemOperation({ '7': '7' })).toMatchObject({ '7': '7' });
    expect(arrayItemOperation('7')).toBe('7');
    expect(arrayItemOperation(['7', '5', 'undefined', '3'])).toMatchObject([
      '7',
      '5',
      'undefined',
      '3',
    ]);
    const val = ['7', '5', 'undefined', '3'];
    expect(arrayItemOperation(val) === val).toBeTruthy();
    expect(arrayItemOperation(val)).toMatchObject(['7', '5', 'undefined', '3']);
  });

  it('remove one object', () => {
    expect(arrayItemOperation('^7')).toMatchObject({ $unset: '7' });
    expect(arrayItemOperation('^[7,5,3]')).toMatchObject({
      $unset: ['7', '5', '3'],
    });
    expect(arrayItemOperation('^[7,  5  ,,3]')).toMatchObject({
      $unset: ['7', '5', '3'],
    });
    expect(arrayItemOperation('^[7,5,null,3]')).toMatchObject({
      $unset: ['7', '5', '3'],
    });
    expect(arrayItemOperation('^[7,5,undefined,3]')).toMatchObject({
      $unset: ['7', '5', '3'],
    });
    expect(arrayItemOperation('[7,^5,undefined,3]')).toMatchObject([
      '7',
      { $unset: '5' },
      '3',
    ]);
    expect(arrayItemOperation(['7', '^5', 'undefined', '3'])).toMatchObject([
      '7',
      { $unset: '5' },
      'undefined',
      '3',
    ]);
    const val = ['7', '5', '^undefined', '3'];
    expect(arrayItemOperation(val) !== val).toBeTruthy();
    expect(arrayItemOperation(val)).toMatchObject([
      '7',
      '5',
      { $unset: 'undefined' },
      '3',
    ]);
  });

  it('assigns', () => {
    expect(arrayItemOperation('=7')).toMatchObject({ $assign: '7' });
    expect(arrayItemOperation('=[7,5,3]')).toMatchObject({
      $assign: ['7', '5', '3'],
    });
    expect(arrayItemOperation('=[7,  5  ,,3]')).toMatchObject({
      $assign: ['7', '5', '3'],
    });
    expect(arrayItemOperation('=[7,5,null,3]')).toMatchObject({
      $assign: ['7', '5', '3'],
    });
    expect(arrayItemOperation('=[7,5,undefined,3]')).toMatchObject({
      $assign: ['7', '5', '3'],
    });
    expect(arrayItemOperation('[7,=5,undefined,3]')).toMatchObject([
      '7',
      { $assign: '5' },
      '3',
    ]);
    expect(arrayItemOperation(['7', '=5', 'undefined', '3'])).toMatchObject([
      '7',
      { $assign: '5' },
      'undefined',
      '3',
    ]);
    const val = ['7', '5', '=undefined', '3'];
    expect(arrayItemOperation(val) !== val).toBeTruthy();
    expect(arrayItemOperation(val)).toMatchObject([
      '7',
      '5',
      { $assign: 'undefined' },
      '3',
    ]);
  });
});

describe('processArray', () => {
  it('number', () => {
    const src = [0, 1, 2, 3, 4, 5, 6];
    processArray(src, 7);
    expect(find(src, 7)).toBe(7);
  });
  it('string', () => {
    const src = ['0', '1', '2', '3', '4', '5', '6'];
    processArray(src, '7');
    expect(find(src, '7')).toBe(7);
  });
  it('objects as ref', () => {
    const value = { '7': '7' };
    const src = ['0', '1', '2', '3', '4', '5', '6'];
    processArray(src, value);
    expect(find(src, value)).toBe(7);
  });
  it('objects as structure equals', () => {
    const src = ['0', '1', '2', '3', '4', '5', '6'];
    processArray(src, { '7': '7' });
    expect(find(src, { '7': '7' })).toBe(7);
  });
  it('remove string', () => {
    const src = ['0', '1', '2', '3', '4', '5', '6'];
    processArray(src, '^1');
    expect(find(src, '1')).toBe(-1);
  });
  it('remove string list', () => {
    const src = ['0', '1', '2', '3', '4', '5', '6'];
    processArray(src, '^[1, 2, 5]');
    expect(find(src, '1')).toBe(-1);
    expect(find(src, '2')).toBe(-1);
    expect(find(src, '5')).toBe(-1);
  });
  it('assign string', () => {
    const src = ['0', '1', '2', '3', '4', '5', '6'];
    processArray(src, '=1');
    expect(find(src, '1')).toBe(0);
    expect(src.length).toBe(1);
  });
  it('assign string list', () => {
    const src = ['0', '1', '2', '3', '4', '5', '6'];
    processArray(src, '=[100, 200]');
    expect(find(src, '100')).toBe(0);
    expect(find(src, '200')).toBe(1);
    expect(src.length).toBe(2);
  });
});