<?php

/**
 * This file is part of the ramsey/collection library
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
 * @license http://opensource.org/licenses/MIT MIT
 */
declare (strict_types=1);
namespace DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Collection;

use Closure;
use DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Collection\Exception\CollectionMismatchException;
use DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Collection\Exception\InvalidArgumentException;
use DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Collection\Exception\InvalidSortOrderException;
use DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Collection\Exception\OutOfBoundsException;
use DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Collection\Tool\TypeTrait;
use DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Collection\Tool\ValueExtractorTrait;
use DeliciousBrains\WP_Offload_Media\Gcp\Ramsey\Collection\Tool\ValueToStringTrait;
use function array_filter;
use function array_map;
use function array_merge;
use function array_search;
use function array_udiff;
use function array_uintersect;
use function current;
use function end;
use function in_array;
use function is_int;
use function is_object;
use function reset;
use function spl_object_id;
use function sprintf;
use function unserialize;
use function usort;
/**
 * This class provides a basic implementation of `CollectionInterface`, to
 * minimize the effort required to implement this interface
 *
 * @template T
 * @extends AbstractArray<T>
 * @implements CollectionInterface<T>
 */
abstract class AbstractCollection extends AbstractArray implements CollectionInterface
{
    use TypeTrait;
    use ValueToStringTrait;
    use ValueExtractorTrait;
    /**
     * @inheritDoc
     */
    public function add($element) : bool
    {
        $this[] = $element;
        return \true;
    }
    /**
     * @inheritDoc
     */
    public function contains($element, bool $strict = \true) : bool
    {
        return in_array($element, $this->data, $strict);
    }
    /**
     * @inheritDoc
     */
    public function offsetSet($offset, $value) : void
    {
        if ($this->checkType($this->getType(), $value) === \false) {
            throw new InvalidArgumentException('Value must be of type ' . $this->getType() . '; value is ' . $this->toolValueToString($value));
        }
        if ($offset === null) {
            $this->data[] = $value;
        } else {
            $this->data[$offset] = $value;
        }
    }
    /**
     * @inheritDoc
     */
    public function remove($element) : bool
    {
        if (($position = array_search($element, $this->data, \true)) !== \false) {
            unset($this[$position]);
            return \true;
        }
        return \false;
    }
    /**
     * @inheritDoc
     */
    public function column(string $propertyOrMethod) : array
    {
        $temp = [];
        foreach ($this->data as $item) {
            /** @var mixed $value */
            $value = $this->extractValue($item, $propertyOrMethod);
            /** @psalm-suppress MixedAssignment */
            $temp[] = $value;
        }
        return $temp;
    }
    /**
     * @inheritDoc
     */
    public function first()
    {
        if ($this->isEmpty()) {
            throw new OutOfBoundsException('Can\'t determine first item. Collection is empty');
        }
        reset($this->data);
        /** @var T $first */
        $first = current($this->data);
        return $first;
    }
    /**
     * @inheritDoc
     */
    public function last()
    {
        if ($this->isEmpty()) {
            throw new OutOfBoundsException('Can\'t determine last item. Collection is empty');
        }
        /** @var T $item */
        $item = end($this->data);
        reset($this->data);
        return $item;
    }
    public function sort(string $propertyOrMethod, string $order = self::SORT_ASC) : CollectionInterface
    {
        if (!in_array($order, [self::SORT_ASC, self::SORT_DESC], \true)) {
            throw new InvalidSortOrderException('Invalid sort order given: ' . $order);
        }
        $collection = clone $this;
        usort(
            $collection->data,
            /**
             * @param T $a
             * @param T $b
             */
            function ($a, $b) use($propertyOrMethod, $order) : int {
                /** @var mixed $aValue */
                $aValue = $this->extractValue($a, $propertyOrMethod);
                /** @var mixed $bValue */
                $bValue = $this->extractValue($b, $propertyOrMethod);
                return ($aValue <=> $bValue) * ($order === self::SORT_DESC ? -1 : 1);
            }
        );
        return $collection;
    }
    public function filter(callable $callback) : CollectionInterface
    {
        $collection = clone $this;
        $collection->data = array_merge([], array_filter($collection->data, $callback));
        return $collection;
    }
    /**
     * {@inheritdoc}
     */
    public function where(string $propertyOrMethod, $value) : CollectionInterface
    {
        return $this->filter(function ($item) use($propertyOrMethod, $value) {
            /** @var mixed $accessorValue */
            $accessorValue = $this->extractValue($item, $propertyOrMethod);
            return $accessorValue === $value;
        });
    }
    public function map(callable $callback) : CollectionInterface
    {
        return new Collection('mixed', array_map($callback, $this->data));
    }
    public function diff(CollectionInterface $other) : CollectionInterface
    {
        $this->compareCollectionTypes($other);
        $diffAtoB = array_udiff($this->data, $other->toArray(), $this->getComparator());
        $diffBtoA = array_udiff($other->toArray(), $this->data, $this->getComparator());
        /** @var array<array-key, T> $diff */
        $diff = array_merge($diffAtoB, $diffBtoA);
        $collection = clone $this;
        $collection->data = $diff;
        return $collection;
    }
    public function intersect(CollectionInterface $other) : CollectionInterface
    {
        $this->compareCollectionTypes($other);
        /** @var array<array-key, T> $intersect */
        $intersect = array_uintersect($this->data, $other->toArray(), $this->getComparator());
        $collection = clone $this;
        $collection->data = $intersect;
        return $collection;
    }
    public function merge(CollectionInterface ...$collections) : CollectionInterface
    {
        $mergedCollection = clone $this;
        foreach ($collections as $index => $collection) {
            if (!$collection instanceof static) {
                throw new CollectionMismatchException(sprintf('Collection with index %d must be of type %s', $index, static::class));
            }
            // When using generics (Collection.php, Set.php, etc),
            // we also need to make sure that the internal types match each other
            if ($this->getUniformType($collection) !== $this->getUniformType($this)) {
                throw new CollectionMismatchException(sprintf('Collection items in collection with index %d must be of type %s', $index, $this->getType()));
            }
            foreach ($collection as $key => $value) {
                if (is_int($key)) {
                    $mergedCollection[] = $value;
                } else {
                    $mergedCollection[$key] = $value;
                }
            }
        }
        return $mergedCollection;
    }
    /**
     * @inheritDoc
     */
    public function unserialize($serialized) : void
    {
        /** @var array<array-key, T> $data */
        $data = unserialize($serialized, ['allowed_classes' => [$this->getType()]]);
        $this->data = $data;
    }
    /**
     * @param CollectionInterface<T> $other
     */
    private function compareCollectionTypes(CollectionInterface $other) : void
    {
        if (!$other instanceof static) {
            throw new CollectionMismatchException('Collection must be of type ' . static::class);
        }
        // When using generics (Collection.php, Set.php, etc),
        // we also need to make sure that the internal types match each other
        if ($this->getUniformType($other) !== $this->getUniformType($this)) {
            throw new CollectionMismatchException('Collection items must be of type ' . $this->getType());
        }
    }
    private function getComparator() : Closure
    {
        return function ($a, $b) : int {
            // If the two values are object, we convert them to unique scalars.
            // If the collection contains mixed values (unlikely) where some are objects
            // and some are not, we leave them as they are.
            // The comparator should still work and the result of $a < $b should
            // be consistent but unpredictable since not documented.
            if (is_object($a) && is_object($b)) {
                $a = spl_object_id($a);
                $b = spl_object_id($b);
            }
            return $a === $b ? 0 : ($a < $b ? 1 : -1);
        };
    }
    /**
     * @param CollectionInterface<mixed> $collection
     */
    private function getUniformType(CollectionInterface $collection) : string
    {
        switch ($collection->getType()) {
            case 'integer':
                return 'int';
            case 'boolean':
                return 'bool';
            case 'double':
                return 'float';
            default:
                return $collection->getType();
        }
    }
}
