<?php

declare(strict_types=1);

namespace Tests;

use Carbon\CarbonPeriod;
use Icefox\DTO\Attributes\CastWith;
use Icefox\DTO\Attributes\Flat;
use Icefox\DTO\Attributes\FromInput;
use Icefox\DTO\Attributes\Overwrite;
use Icefox\DTO\RuleFactory;
use Icefox\DTO\ValueFactory;
use Illuminate\Support\Carbon;
use Illuminate\Support\Collection;

readonly class BasicPrimitives
{
    public function __construct(
        public string $text,
        public int $number,
        public bool $flag,
        public ?array $items,
        public float $floating = 4.7,
    ) {}
}

test('basic creation works', function () {
    $object = ValueFactory::make(BasicPrimitives::class, [
        'text' => 'abc',
        'number' => 42,
        'flag' => true,
        'items' => ['a', 2, false],
        'floating' => 32.6,
    ]);

    expect($object->text)->toBe('abc');
    expect($object->number)->toBe(42);
    expect($object->flag)->toBe(true);
    expect($object->items)->toBe(['a', 2, false]);
    expect($object->floating)->toBe(32.6);
});

test('uses default values', function () {
    $object = ValueFactory::make(BasicPrimitives::class, [
        'text' => 'abc',
        'number' => 42,
        'flag' => true,
        'items' => ['a', 2, false],
    ]);

    expect($object->text)->toBe('abc');
    expect($object->number)->toBe(42);
    expect($object->flag)->toBe(true);
    expect($object->items)->toBe(['a', 2, false]);
    expect($object->floating)->toBe(4.7);
});

test('uses default when null and not nullable', function () {
    $object = ValueFactory::make(BasicPrimitives::class, [
        'text' => 'abc',
        'number' => 42,
        'flag' => true,
        'items' => ['a', 2, false],
        'floating' => null,
    ]);

    expect($object->text)->toBe('abc');
    expect($object->number)->toBe(42);
    expect($object->flag)->toBe(true);
    expect($object->items)->toBe(['a', 2, false]);
    expect($object->floating)->toBe(4.7);
});

test('accepts null when nullable', function () {
    $object = ValueFactory::make(BasicPrimitives::class, [
        'text' => 'abc',
        'number' => 42,
        'flag' => true,
        'items' => null,
    ]);

    expect($object->text)->toBe('abc');
    expect($object->number)->toBe(42);
    expect($object->flag)->toBe(true);
    expect($object->items)->toBe(null);
    expect($object->floating)->toBe(4.7);
});

test('accepts missing as null when nullable', function () {
    $object = ValueFactory::make(BasicPrimitives::class, [
        'text' => 'abc',
        'number' => 42,
        'flag' => true,
    ]);

    expect($object->text)->toBe('abc');
    expect($object->number)->toBe(42);
    expect($object->flag)->toBe(true);
    expect($object->items)->toBe(null);
    expect($object->floating)->toBe(4.7);
});

readonly class NestedLeaf
{
    public function __construct(public bool $flag) {}
}

readonly class RootWithNestedLeaf
{
    public function __construct(public int $value, public NestedLeaf $leaf) {}
}

test('creates nested object', function () {
    $root = ValueFactory::make(RootWithNestedLeaf::class, [
        'value' => 42,
        'leaf' => [
            'flag' => true,
        ],
    ]);

    expect($root->value)->toBe(42);
    expect($root->leaf->flag)->toBe(true);
});


readonly class CollectionItem
{
    public function __construct(public int $value) {}
}

readonly class CollectionRoot
{
    /**
     * @param Collection<int, CollectionItem> $items
     */
    public function __construct(public string $text, public Collection $items) {}
}

test('creates collection object', function () {
    $root = ValueFactory::make(CollectionRoot::class, [
        'text' => 'abc',
        'items' => [
            [ 'value' => 1 ],
            [ 'value' => 2 ],
            [ 'value' => 4 ],
            [ 'value' => 8 ],
        ],
    ]);

    expect($root->text)->toBe('abc');
    expect($root->items)->toBeInstanceOf(Collection::class);
    expect($root->items->count())->toBe(4);
    expect($root->items[0]->value)->toBe(1);
    expect($root->items[1]->value)->toBe(2);
    expect($root->items[2]->value)->toBe(4);
    expect($root->items[3]->value)->toBe(8);
});

readonly class DoubleCast
{
    public static function cast(int $data): int
    {
        return $data * 2;
    }
}

readonly class WithExplicitCast
{
    public function __construct(
        #[CastWith(DoubleCast::class)]
        public int $value,
    ) {}
}

readonly class WithNestedCast
{
    /**
     * @param array<int,WithExplicitCast> $items
     */
    public function __construct(public array $items) {}
}

test('with explicit cast', function () {
    $object = ValueFactory::make(WithExplicitCast::class, ['value' => 32]);
    expect($object->value)->toBe(64);
});

test('with nested cast', function () {
    $object = ValueFactory::make(WithNestedCast::class, ['items' => [ ['value' => 2], ['value' => 3], ['value' => 5]]]);

    expect($object->items[0]->value)->toBe(4);
    expect($object->items[1]->value)->toBe(6);
    expect($object->items[2]->value)->toBe(10);
});

readonly class CarbonPeriodCast
{
    /**
     * @param array<int,mixed> $data
     */
    public static function cast(array $data): CarbonPeriod
    {
        return new CarbonPeriod(Carbon::parse($data['start']), Carbon::parse($data['end']));
    }
}

readonly class WithObjectCast
{
    public function __construct(
        #[CastWith(CarbonPeriodCast::class)]
        public CarbonPeriod $period,
    ) {}
}

test('with object cast', function () {
    $object = ValueFactory::make(WithObjectCast::class, ['period' => ['start' => '1980-10-01', 'end' => '1990-06-01']]);

    expect($object->period)->toBeInstanceOf(CarbonPeriod::class);
    expect($object->period->start->format('Y-m-d'))->toBe('1980-10-01');
    expect($object->period->end->format('Y-m-d'))->toBe('1990-06-01');
});