<?php

namespace YoastSEO_Vendor\GuzzleHttp\Psr7;

use YoastSEO_Vendor\Psr\Http\Message\UriInterface;
/**
 * PSR-7 URI implementation.
 *
 * @author Michael Dowling
 * @author Tobias Schultze
 * @author Matthew Weier O'Phinney
 */
class Uri implements \YoastSEO_Vendor\Psr\Http\Message\UriInterface
{
    /**
     * Absolute http and https URIs require a host per RFC 7230 Section 2.7
     * but in generic URIs the host can be empty. So for http(s) URIs
     * we apply this default host when no host is given yet to form a
     * valid URI.
     */
    const HTTP_DEFAULT_HOST = 'localhost';
    private static $defaultPorts = ['http' => 80, 'https' => 443, 'ftp' => 21, 'gopher' => 70, 'nntp' => 119, 'news' => 119, 'telnet' => 23, 'tn3270' => 23, 'imap' => 143, 'pop' => 110, 'ldap' => 389];
    private static $charUnreserved = 'a-zA-Z0-9_\\-\\.~';
    private static $charSubDelims = '!\\$&\'\\(\\)\\*\\+,;=';
    private static $replaceQuery = ['=' => '%3D', '&' => '%26'];
    /** @var string Uri scheme. */
    private $scheme = '';
    /** @var string Uri user info. */
    private $userInfo = '';
    /** @var string Uri host. */
    private $host = '';
    /** @var int|null Uri port. */
    private $port;
    /** @var string Uri path. */
    private $path = '';
    /** @var string Uri query string. */
    private $query = '';
    /** @var string Uri fragment. */
    private $fragment = '';
    /**
     * @param string $uri URI to parse
     */
    public function __construct($uri = '')
    {
        // weak type check to also accept null until we can add scalar type hints
        if ($uri != '') {
            $parts = \parse_url($uri);
            if ($parts === \false) {
                throw new \InvalidArgumentException("Unable to parse URI: {$uri}");
            }
            $this->applyParts($parts);
        }
    }
    public function __toString()
    {
        return self::composeComponents($this->scheme, $this->getAuthority(), $this->path, $this->query, $this->fragment);
    }
    /**
     * Composes a URI reference string from its various components.
     *
     * Usually this method does not need to be called manually but instead is used indirectly via
     * `Psr\Http\Message\UriInterface::__toString`.
     *
     * PSR-7 UriInterface treats an empty component the same as a missing component as
     * getQuery(), getFragment() etc. always return a string. This explains the slight
     * difference to RFC 3986 Section 5.3.
     *
     * Another adjustment is that the authority separator is added even when the authority is missing/empty
     * for the "file" scheme. This is because PHP stream functions like `file_get_contents` only work with
     * `file:///myfile` but not with `file:/myfile` although they are equivalent according to RFC 3986. But
     * `file:///` is the more common syntax for the file scheme anyway (Chrome for example redirects to
     * that format).
     *
     * @param string $scheme
     * @param string $authority
     * @param string $path
     * @param string $query
     * @param string $fragment
     *
     * @return string
     *
     * @link https://tools.ietf.org/html/rfc3986#section-5.3
     */
    public static function composeComponents($scheme, $authority, $path, $query, $fragment)
    {
        $uri = '';
        // weak type checks to also accept null until we can add scalar type hints
        if ($scheme != '') {
            $uri .= $scheme . ':';
        }
        if ($authority != '' || $scheme === 'file') {
            $uri .= '//' . $authority;
        }
        $uri .= $path;
        if ($query != '') {
            $uri .= '?' . $query;
        }
        if ($fragment != '') {
            $uri .= '#' . $fragment;
        }
        return $uri;
    }
    /**
     * Whether the URI has the default port of the current scheme.
     *
     * `Psr\Http\Message\UriInterface::getPort` may return null or the standard port. This method can be used
     * independently of the implementation.
     *
     * @param UriInterface $uri
     *
     * @return bool
     */
    public static function isDefaultPort(\YoastSEO_Vendor\Psr\Http\Message\UriInterface $uri)
    {
        return $uri->getPort() === null || isset(self::$defaultPorts[$uri->getScheme()]) && $uri->getPort() === self::$defaultPorts[$uri->getScheme()];
    }
    /**
     * Whether the URI is absolute, i.e. it has a scheme.
     *
     * An instance of UriInterface can either be an absolute URI or a relative reference. This method returns true
     * if it is the former. An absolute URI has a scheme. A relative reference is used to express a URI relative
     * to another URI, the base URI. Relative references can be divided into several forms:
     * - network-path references, e.g. '//example.com/path'
     * - absolute-path references, e.g. '/path'
     * - relative-path references, e.g. 'subpath'
     *
     * @param UriInterface $uri
     *
     * @return bool
     * @see Uri::isNetworkPathReference
     * @see Uri::isAbsolutePathReference
     * @see Uri::isRelativePathReference
     * @link https://tools.ietf.org/html/rfc3986#section-4
     */
    public static function isAbsolute(\YoastSEO_Vendor\Psr\Http\Message\UriInterface $uri)
    {
        return $uri->getScheme() !== '';
    }
    /**
     * Whether the URI is a network-path reference.
     *
     * A relative reference that begins with two slash characters is termed an network-path reference.
     *
     * @param UriInterface $uri
     *
     * @return bool
     * @link https://tools.ietf.org/html/rfc3986#section-4.2
     */
    public static function isNetworkPathReference(\YoastSEO_Vendor\Psr\Http\Message\UriInterface $uri)
    {
        return $uri->getScheme() === '' && $uri->getAuthority() !== '';
    }
    /**
     * Whether the URI is a absolute-path reference.
     *
     * A relative reference that begins with a single slash character is termed an absolute-path reference.
     *
     * @param UriInterface $uri
     *
     * @return bool
     * @link https://tools.ietf.org/html/rfc3986#section-4.2
     */
    public static function isAbsolutePathReference(\YoastSEO_Vendor\Psr\Http\Message\UriInterface $uri)
    {
        return $uri->getScheme() === '' && $uri->getAuthority() === '' && isset($uri->getPath()[0]) && $uri->getPath()[0] === '/';
    }
    /**
     * Whether the URI is a relative-path reference.
     *
     * A relative reference that does not begin with a slash character is termed a relative-path reference.
     *
     * @param UriInterface $uri
     *
     * @return bool
     * @link https://tools.ietf.org/html/rfc3986#section-4.2
     */
    public static function isRelativePathReference(\YoastSEO_Vendor\Psr\Http\Message\UriInterface $uri)
    {
        return $uri->getScheme() === '' && $uri->getAuthority() === '' && (!isset($uri->getPath()[0]) || $uri->getPath()[0] !== '/');
    }
    /**
     * Whether the URI is a same-document reference.
     *
     * A same-document reference refers to a URI that is, aside from its fragment
     * component, identical to the base URI. When no base URI is given, only an empty
     * URI reference (apart from its fragment) is considered a same-document reference.
     *
     * @param UriInterface      $uri  The URI to check
     * @param UriInterface|null $base An optional base URI to compare against
     *
     * @return bool
     * @link https://tools.ietf.org/html/rfc3986#section-4.4
     */
    public static function isSameDocumentReference(\YoastSEO_Vendor\Psr\Http\Message\UriInterface $uri, \YoastSEO_Vendor\Psr\Http\Message\UriInterface $base = null)
    {
        if ($base !== null) {
            $uri = \YoastSEO_Vendor\GuzzleHttp\Psr7\UriResolver::resolve($base, $uri);
            return $uri->getScheme() === $base->getScheme() && $uri->getAuthority() === $base->getAuthority() && $uri->getPath() === $base->getPath() && $uri->getQuery() === $base->getQuery();
        }
        return $uri->getScheme() === '' && $uri->getAuthority() === '' && $uri->getPath() === '' && $uri->getQuery() === '';
    }
    /**
     * Removes dot segments from a path and returns the new path.
     *
     * @param string $path
     *
     * @return string
     *
     * @deprecated since version 1.4. Use UriResolver::removeDotSegments instead.
     * @see UriResolver::removeDotSegments
     */
    public static function removeDotSegments($path)
    {
        return \YoastSEO_Vendor\GuzzleHttp\Psr7\UriResolver::removeDotSegments($path);
    }
    /**
     * Converts the relative URI into a new URI that is resolved against the base URI.
     *
     * @param UriInterface        $base Base URI
     * @param string|UriInterface $rel  Relative URI
     *
     * @return UriInterface
     *
     * @deprecated since version 1.4. Use UriResolver::resolve instead.
     * @see UriResolver::resolve
     */
    public static function resolve(\YoastSEO_Vendor\Psr\Http\Message\UriInterface $base, $rel)
    {
        if (!$rel instanceof \YoastSEO_Vendor\Psr\Http\Message\UriInterface) {
            $rel = new self($rel);
        }
        return \YoastSEO_Vendor\GuzzleHttp\Psr7\UriResolver::resolve($base, $rel);
    }
    /**
     * Creates a new URI with a specific query string value removed.
     *
     * Any existing query string values that exactly match the provided key are
     * removed.
     *
     * @param UriInterface $uri URI to use as a base.
     * @param string       $key Query string key to remove.
     *
     * @return UriInterface
     */
    public static function withoutQueryValue(\YoastSEO_Vendor\Psr\Http\Message\UriInterface $uri, $key)
    {
        $result = self::getFilteredQueryString($uri, [$key]);
        return $uri->withQuery(\implode('&', $result));
    }
    /**
     * Creates a new URI with a specific query string value.
     *
     * Any existing query string values that exactly match the provided key are
     * removed and replaced with the given key value pair.
     *
     * A value of null will set the query string key without a value, e.g. "key"
     * instead of "key=value".
     *
     * @param UriInterface $uri   URI to use as a base.
     * @param string       $key   Key to set.
     * @param string|null  $value Value to set
     *
     * @return UriInterface
     */
    public static function withQueryValue(\YoastSEO_Vendor\Psr\Http\Message\UriInterface $uri, $key, $value)
    {
        $result = self::getFilteredQueryString($uri, [$key]);
        $result[] = self::generateQueryString($key, $value);
        return $uri->withQuery(\implode('&', $result));
    }
    /**
     * Creates a new URI with multiple specific query string values.
     *
     * It has the same behavior as withQueryValue() but for an associative array of key => value.
     *
     * @param UriInterface $uri           URI to use as a base.
     * @param array        $keyValueArray Associative array of key and values
     *
     * @return UriInterface
     */
    public static function withQueryValues(\YoastSEO_Vendor\Psr\Http\Message\UriInterface $uri, array $keyValueArray)
    {
        $result = self::getFilteredQueryString($uri, \array_keys($keyValueArray));
        foreach ($keyValueArray as $key => $value) {
            $result[] = self::generateQueryString($key, $value);
        }
        return $uri->withQuery(\implode('&', $result));
    }
    /**
     * Creates a URI from a hash of `parse_url` components.
     *
     * @param array $parts
     *
     * @return UriInterface
     * @link http://php.net/manual/en/function.parse-url.php
     *
     * @throws \InvalidArgumentException If the components do not form a valid URI.
     */
    public static function fromParts(array $parts)
    {
        $uri = new self();
        $uri->applyParts($parts);
        $uri->validateState();
        return $uri;
    }
    public function getScheme()
    {
        return $this->scheme;
    }
    public function getAuthority()
    {
        $authority = $this->host;
        if ($this->userInfo !== '') {
            $authority = $this->userInfo . '@' . $authority;
        }
        if ($this->port !== null) {
            $authority .= ':' . $this->port;
        }
        return $authority;
    }
    public function getUserInfo()
    {
        return $this->userInfo;
    }
    public function getHost()
    {
        return $this->host;
    }
    public function getPort()
    {
        return $this->port;
    }
    public function getPath()
    {
        return $this->path;
    }
    public function getQuery()
    {
        return $this->query;
    }
    public function getFragment()
    {
        return $this->fragment;
    }
    public function withScheme($scheme)
    {
        $scheme = $this->filterScheme($scheme);
        if ($this->scheme === $scheme) {
            return $this;
        }
        $new = clone $this;
        $new->scheme = $scheme;
        $new->removeDefaultPort();
        $new->validateState();
        return $new;
    }
    public function withUserInfo($user, $password = null)
    {
        $info = $user;
        if ($password != '') {
            $info .= ':' . $password;
        }
        if ($this->userInfo === $info) {
            return $this;
        }
        $new = clone $this;
        $new->userInfo = $info;
        $new->validateState();
        return $new;
    }
    public function withHost($host)
    {
        $host = $this->filterHost($host);
        if ($this->host === $host) {
            return $this;
        }
        $new = clone $this;
        $new->host = $host;
        $new->validateState();
        return $new;
    }
    public function withPort($port)
    {
        $port = $this->filterPort($port);
        if ($this->port === $port) {
            return $this;
        }
        $new = clone $this;
        $new->port = $port;
        $new->removeDefaultPort();
        $new->validateState();
        return $new;
    }
    public function withPath($path)
    {
        $path = $this->filterPath($path);
        if ($this->path === $path) {
            return $this;
        }
        $new = clone $this;
        $new->path = $path;
        $new->validateState();
        return $new;
    }
    public function withQuery($query)
    {
        $query = $this->filterQueryAndFragment($query);
        if ($this->query === $query) {
            return $this;
        }
        $new = clone $this;
        $new->query = $query;
        return $new;
    }
    public function withFragment($fragment)
    {
        $fragment = $this->filterQueryAndFragment($fragment);
        if ($this->fragment === $fragment) {
            return $this;
        }
        $new = clone $this;
        $new->fragment = $fragment;
        return $new;
    }
    /**
     * Apply parse_url parts to a URI.
     *
     * @param array $parts Array of parse_url parts to apply.
     */
    private function applyParts(array $parts)
    {
        $this->scheme = isset($parts['scheme']) ? $this->filterScheme($parts['scheme']) : '';
        $this->userInfo = isset($parts['user']) ? $parts['user'] : '';
        $this->host = isset($parts['host']) ? $this->filterHost($parts['host']) : '';
        $this->port = isset($parts['port']) ? $this->filterPort($parts['port']) : null;
        $this->path = isset($parts['path']) ? $this->filterPath($parts['path']) : '';
        $this->query = isset($parts['query']) ? $this->filterQueryAndFragment($parts['query']) : '';
        $this->fragment = isset($parts['fragment']) ? $this->filterQueryAndFragment($parts['fragment']) : '';
        if (isset($parts['pass'])) {
            $this->userInfo .= ':' . $parts['pass'];
        }
        $this->removeDefaultPort();
    }
    /**
     * @param string $scheme
     *
     * @return string
     *
     * @throws \InvalidArgumentException If the scheme is invalid.
     */
    private function filterScheme($scheme)
    {
        if (!\is_string($scheme)) {
            throw new \InvalidArgumentException('Scheme must be a string');
        }
        return \strtolower($scheme);
    }
    /**
     * @param string $host
     *
     * @return string
     *
     * @throws \InvalidArgumentException If the host is invalid.
     */
    private function filterHost($host)
    {
        if (!\is_string($host)) {
            throw new \InvalidArgumentException('Host must be a string');
        }
        return \strtolower($host);
    }
    /**
     * @param int|null $port
     *
     * @return int|null
     *
     * @throws \InvalidArgumentException If the port is invalid.
     */
    private function filterPort($port)
    {
        if ($port === null) {
            return null;
        }
        $port = (int) $port;
        if (1 > $port || 0xffff < $port) {
            throw new \InvalidArgumentException(\sprintf('Invalid port: %d. Must be between 1 and 65535', $port));
        }
        return $port;
    }
    /**
     * @param UriInterface $uri
     * @param array        $keys
     * 
     * @return array
     */
    private static function getFilteredQueryString(\YoastSEO_Vendor\Psr\Http\Message\UriInterface $uri, array $keys)
    {
        $current = $uri->getQuery();
        if ($current === '') {
            return [];
        }
        $decodedKeys = \array_map('rawurldecode', $keys);
        return \array_filter(\explode('&', $current), function ($part) use($decodedKeys) {
            return !\in_array(\rawurldecode(\explode('=', $part)[0]), $decodedKeys, \true);
        });
    }
    /**
     * @param string      $key
     * @param string|null $value
     * 
     * @return string
     */
    private static function generateQueryString($key, $value)
    {
        // Query string separators ("=", "&") within the key or value need to be encoded
        // (while preventing double-encoding) before setting the query string. All other
        // chars that need percent-encoding will be encoded by withQuery().
        $queryString = \strtr($key, self::$replaceQuery);
        if ($value !== null) {
            $queryString .= '=' . \strtr($value, self::$replaceQuery);
        }
        return $queryString;
    }
    private function removeDefaultPort()
    {
        if ($this->port !== null && self::isDefaultPort($this)) {
            $this->port = null;
        }
    }
    /**
     * Filters the path of a URI
     *
     * @param string $path
     *
     * @return string
     *
     * @throws \InvalidArgumentException If the path is invalid.
     */
    private function filterPath($path)
    {
        if (!\is_string($path)) {
            throw new \InvalidArgumentException('Path must be a string');
        }
        return \preg_replace_callback('/(?:[^' . self::$charUnreserved . self::$charSubDelims . '%:@\\/]++|%(?![A-Fa-f0-9]{2}))/', [$this, 'rawurlencodeMatchZero'], $path);
    }
    /**
     * Filters the query string or fragment of a URI.
     *
     * @param string $str
     *
     * @return string
     *
     * @throws \InvalidArgumentException If the query or fragment is invalid.
     */
    private function filterQueryAndFragment($str)
    {
        if (!\is_string($str)) {
            throw new \InvalidArgumentException('Query and fragment must be a string');
        }
        return \preg_replace_callback('/(?:[^' . self::$charUnreserved . self::$charSubDelims . '%:@\\/\\?]++|%(?![A-Fa-f0-9]{2}))/', [$this, 'rawurlencodeMatchZero'], $str);
    }
    private function rawurlencodeMatchZero(array $match)
    {
        return \rawurlencode($match[0]);
    }
    private function validateState()
    {
        if ($this->host === '' && ($this->scheme === 'http' || $this->scheme === 'https')) {
            $this->host = self::HTTP_DEFAULT_HOST;
        }
        if ($this->getAuthority() === '') {
            if (0 === \strpos($this->path, '//')) {
                throw new \InvalidArgumentException('The path of a URI without an authority must not start with two slashes "//"');
            }
            if ($this->scheme === '' && \false !== \strpos(\explode('/', $this->path, 2)[0], ':')) {
                throw new \InvalidArgumentException('A relative URI must not have a path beginning with a segment containing a colon');
            }
        } elseif (isset($this->path[0]) && $this->path[0] !== '/') {
            @\trigger_error('The path of a URI with an authority must start with a slash "/" or be empty. Automagically fixing the URI ' . 'by adding a leading slash to the path is deprecated since version 1.4 and will throw an exception instead.', \E_USER_DEPRECATED);
            $this->path = '/' . $this->path;
            //throw new \InvalidArgumentException('The path of a URI with an authority must start with a slash "/" or be empty');
        }
    }
}
