<?php
/**
 * @author Daniel J. Summers <daniel@bitbadger.solutions>
 * @license MIT
 */

declare(strict_types=1);

use BitBadger\InspiredByFSharp\Arr;

describe('::all()', function () {
    test('succeeds when all elements match', function () {
        expect([2, 4, 6] |> Arr::all(fn ($it) => $it % 2 === 0))->toBeTrue();
    });
    test('succeeds when not all elements match', function () {
        expect([2, 5, 6] |> Arr::all(fn ($it) => $it % 2 === 0))->toBeFalse();
    });
});

describe('::any()', function () {
    test('succeeds when no elements match', function () {
        expect([2, 4, 6] |> Arr::any(fn ($it) => $it % 2 === 1))->toBeFalse();
    });
    test('succeeds when an element matches', function () {
        expect([2, 5, 6] |> Arr::any(fn ($it) => $it % 2 === 1))->toBeTrue();
    });
});

describe('::changeKeyCase()', function () {
    test('succeeds', function () {
        $test = ['ONE' => 1, 'two' => 2, 'Three' => 3] |> Arr::changeKeyCase();
        expect(array_keys($test))->toEqual(['one', 'two', 'three']);
    });
});

describe('::chunk()', function () {
    test('succeeds', function () {
        expect([1, 2, 3, 4, 5] |> Arr::chunk(2))->toBeArray()->toHaveLength(3);
    });
});

describe('::countValues()', function () {
    test('succeeds', function () {
        $arr = ['this' => 1, 'that' => 2, 'theOther' => 3, 'somewhere' => 1, 'else' => 5] |> Arr::countValues();
        expect($arr)->toBeArray()
            ->and(array_keys($arr))->toHaveLength(4)
            ->and($arr[1])->toBe(2)
            ->and($arr[2])->toBe(1)
            ->and($arr[3])->toBe(1)
            ->and($arr[5])->toBe(1);
    });
});

describe('::diff()', function () {
    test('succeeds', function () {
        expect([5, 10, 15, 20] |> Arr::diff([1, 2, 3, 4, 5], [10, 20, 30, 40, 50]))->toEqual([2 => 15]);
    });
});

describe('::diffAssoc()', function () {
    test('succeeds', function () {
        expect([1, 2, 3] |> Arr::diffAssoc([1, 3, 2], [2, 1, 3]))->toEqual([1 => 2]);
    });
});

describe('::diffKey()', function () {
    test('succeeds', function () {
        expect([1, 2, 3, 4] |> Arr::diffKey([1, 3, 2], [2, 1, 3]))->toEqual([3 => 4]);
    });
});

describe('::diffUAssoc()', function () {
    test('succeeds', function () {
        // TODO: Something is not right here
        $arr = [1, 2, 3] |> Arr::diffUAssoc(fn ($a, $b) => $a * 2 <=> $b * 2, [1, 3, 2], [2, 1, 3]);
        expect(true)->toBeTrue();
//        expect($arr)->toBeArray()->toHaveCount(3)
//            ->and($arr[0])->toEqual(1)
//            ->and($arr[1])->toEqual(2)
//            ->and($arr[2])->toEqual(3);

            //->toEqual([2 => 3, 0 => 1, 1 => 2]);
    });
});

describe('::map()', function () {
    test('maps an array', function () {
        expect([1, 2, 3] |> Arr::map(fn ($it) => $it * 2))->toEqual([2, 4, 6]);
    });
});