<?php
declare(strict_types=1);

namespace Kiri\Router;

use Kiri\Di\Context;
use Kiri\Router\Base\AuthorizationInterface;
use Kiri\Router\Base\ExceptionHandlerDispatcher;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UriInterface;


/**
 * @property-read bool $isPost
 * @property-read AuthorizationInterface $authority
 */
class Request implements ServerRequestInterface
{


    public array $middlewares = [];


    /**
     * @var string
     */
    public string $exception = ExceptionHandlerDispatcher::class;


    /**
     * 初始化
     */
    public function __construct()
    {
        $this->middlewares = \config('request.middlewares', []);
        $this->exception = \config('request.exception', ExceptionHandlerDispatcher::class);
    }


    /**
     * @return AuthorizationInterface|null
     */
    public function getAuthority(): ?AuthorizationInterface
    {
        return $this->__call__(__FUNCTION__);
    }


    /**
     * @param AuthorizationInterface $authorization
     * @return RequestInterface
     */
    public function withAuthority(AuthorizationInterface $authorization): RequestInterface
    {
        return $this->__call__(__FUNCTION__, $authorization);
    }


    /**
     * @param string $method
     * @param mixed ...$params
     * @return mixed
     */
    private function __call__(string $method, ...$params): mixed
    {
        if (!Context::exists(RequestInterface::class)) {
            $response = Context::set(RequestInterface::class, new static());
        } else {
            $response = Context::get(RequestInterface::class);
        }
        return $response->{$method}(...$params);

    }


    /**
     * @param string $name
     * @return mixed
     */
    public function __get(string $name): mixed
    {
        // TODO: Implement __get() method.
        return $this->__call__('get' . ucfirst($name));
    }


    /**
     * Retrieves the HTTP protocol version as a string.
     *
     * The string MUST contain only the HTTP version number (e.g., "1.1", "1.0").
     *
     * @return string HTTP protocol version.
     */
    public function getProtocolVersion(): string
    {
        // TODO: Implement getProtocolVersion() method.
        return $this->__call__(__FUNCTION__);
    }


    /**
     * @param string $key
     * @return string|int|float|null
     */
    public function getServerParam(string $key): string|int|float|null
    {
        return $this->__call__(__FUNCTION__)($key);
    }

    /**
     * Return an instance with the specified HTTP protocol version.
     *
     * The version string MUST contain only the HTTP version number (e.g.,
     * "1.1", "1.0").
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * new protocol version.
     *
     * @param string $version HTTP protocol version
     * @return static
     */
    public function withProtocolVersion(string $version): ServerRequestInterface
    {
        // TODO: Implement withProtocolVersion() method.
        return $this->__call__(__FUNCTION__, $version);
    }

    /**
     * Retrieves all message header values.
     *
     * The keys represent the header name as it will be sent over the wire, and
     * each value is an array of strings associated with the header.
     *
     *     // Represent the headers as a string
     *     foreach ($message->getHeaders() as $name => $values) {
     *         echo $name . ": " . implode(", ", $values);
     *     }
     *
     *     // Emit headers iteratively:
     *     foreach ($message->getHeaders() as $name => $values) {
     *         foreach ($values as $value) {
     *             header(sprintf('%s: %s', $name, $value), false);
     *         }
     *     }
     *
     * While header names are not case-sensitive, getHeaders() will preserve the
     * exact case in which headers were originally specified.
     *
     * @return string[][] Returns an associative array of the message's headers. Each
     *     key MUST be a header name, and each value MUST be an array of strings
     *     for that header.
     */
    public function getHeaders(): array
    {
        // TODO: Implement getHeaders() method.
        return $this->__call__(__FUNCTION__);
    }

    /**
     * Checks if a header exists by the given case-insensitive name.
     *
     * @param string $name Case-insensitive header field name.
     * @return bool Returns true if any header names match the given header
     *     name using a case-insensitive string comparison. Returns false if
     *     no matching header name is found in the message.
     */
    public function hasHeader(string $name): bool
    {
        // TODO: Implement hasHeader() method.
        return $this->__call__(__FUNCTION__, $name);
    }

    /**
     * Retrieves a message header value by the given case-insensitive name.
     *
     * This method returns an array of all the header values of the given
     * case-insensitive header name.
     *
     * If the header does not appear in the message, this method MUST return an
     * empty array.
     *
     * @param string $name Case-insensitive header field name.
     * @return string[] An array of string values as provided for the given
     *    header. If the header does not appear in the message, this method MUST
     *    return an empty array.
     */
    public function getHeader(string $name): array
    {
        // TODO: Implement getHeader() method.
        return $this->__call__(__FUNCTION__, $name);
    }

    /**
     * Retrieves a comma-separated string of the values for a single header.
     *
     * This method returns all of the header values of the given
     * case-insensitive header name as a string concatenated together using
     * a comma.
     *
     * NOTE: Not all header values may be appropriately represented using
     * comma concatenation. For such headers, use getHeader() instead
     * and supply your own delimiter when concatenating.
     *
     * If the header does not appear in the message, this method MUST return
     * an empty string.
     *
     * @param string $name Case-insensitive header field name.
     * @return string A string of values as provided for the given header
     *    concatenated together using a comma. If the header does not appear in
     *    the message, this method MUST return an empty string.
     */
    public function getHeaderLine(string $name): string
    {
        // TODO: Implement getHeaderLine() method.
        return $this->__call__(__FUNCTION__, $name);
    }

    /**
     * Return an instance with the provided value replacing the specified header.
     *
     * While header names are case-insensitive, the casing of the header will
     * be preserved by this function, and returned from getHeaders().
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * new and/or updated header and value.
     *
     * @param string $name Case-insensitive header field name.
     * @param string|string[] $value Header value(s).
     * @return static
     * @throws \InvalidArgumentException for invalid header names or values.
     */
    public function withHeader(string $name, $value): ServerRequestInterface
    {
        // TODO: Implement withHeader() method.
        return $this->__call__(__FUNCTION__, $name, $value);
    }


    /**
     * @param string $data
     * @return ServerRequestInterface
     */
    public function withDataHeaders(string $data): ServerRequestInterface
    {
        return $this->__call__(__FUNCTION__, $data);
    }


    /**
     * @param array $headers
     * @return ServerRequestInterface
     */
    public function withHeaders(array $headers): ServerRequestInterface
    {
        return $this->__call__(__FUNCTION__, $headers);
    }


    /**
     * @param string $name
     * @param string|null $default
     * @return string|null
     */
    public function header(string $name, ?string $default = null): ?string
    {
        return $this->__call__(__FUNCTION__, $name, $default);
    }


    /**
     * Return an instance with the specified header appended with the given value.
     *
     * Existing values for the specified header will be maintained. The new
     * value(s) will be appended to the existing list. If the header did not
     * exist previously, it will be added.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * new header and/or value.
     *
     * @param string $name Case-insensitive header field name to add.
     * @param string|string[] $value Header value(s).
     * @return static
     * @throws \InvalidArgumentException for invalid header names or values.
     */
    public function withAddedHeader(string $name, $value): ServerRequestInterface
    {
        // TODO: Implement withAddedHeader() method.
        return $this->__call__(__FUNCTION__, $name, $value);
    }

    /**
     * Return an instance without the specified header.
     *
     * Header resolution MUST be done without case-sensitivity.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that removes
     * the named header.
     *
     * @param string $name Case-insensitive header field name to remove.
     * @return static
     */
    public function withoutHeader(string $name): ServerRequestInterface
    {
        // TODO: Implement withoutHeader() method.
        return $this->__call__(__FUNCTION__, $name);
    }

    /**
     * Gets the body of the message.
     *
     * @return StreamInterface Returns the body as a stream.
     */
    public function getBody(): StreamInterface
    {
        // TODO: Implement getBody() method.
        return $this->__call__(__FUNCTION__);
    }

    /**
     * Return an instance with the specified message body.
     *
     * The body MUST be a StreamInterface object.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return a new instance that has the
     * new body stream.
     *
     * @param StreamInterface $body Body.
     * @return static
     * @throws \InvalidArgumentException When the body is not valid.
     */
    public function withBody(StreamInterface $body): ServerRequestInterface
    {
        // TODO: Implement withBody() method.
        return $this->__call__(__FUNCTION__, $body);
    }

    /**
     * Retrieves the message's request target.
     *
     * Retrieves the message's request-target either as it will appear (for
     * clients), as it appeared at request (for servers), or as it was
     * specified for the instance (see withRequestTarget()).
     *
     * In most cases, this will be the origin-form of the composed URI,
     * unless a value was provided to the concrete implementation (see
     * withRequestTarget() below).
     *
     * If no URI is available, and no request-target has been specifically
     * provided, this method MUST return the string "/".
     *
     * @return string
     */
    public function getRequestTarget(): string
    {
        // TODO: Implement getRequestTarget() method.
        return $this->__call__(__FUNCTION__);
    }

    /**
     * Return an instance with the specific request-target.
     *
     * If the request needs a non-origin-form request-target — e.g., for
     * specifying an absolute-form, authority-form, or asterisk-form —
     * this method may be used to create an instance with the specified
     * request-target, verbatim.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * changed request target.
     *
     * @link http://tools.ietf.org/html/rfc7230#section-5.3 (for the various
     *     request-target forms allowed in request messages)
     * @param string $requestTarget
     * @return static
     */
    public function withRequestTarget(string $requestTarget): ServerRequestInterface
    {
        // TODO: Implement withRequestTarget() method.
        return $this->__call__(__FUNCTION__, $requestTarget);
    }

    /**
     * Retrieves the HTTP method of the request.
     *
     * @return string Returns the request method.
     */
    public function getMethod(): string
    {
        // TODO: Implement getMethod() method.
        return $this->__call__(__FUNCTION__);
    }

    /**
     * Return an instance with the provided HTTP method.
     *
     * While HTTP method names are typically all uppercase characters, HTTP
     * method names are case-sensitive and thus implementations SHOULD NOT
     * modify the given string.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * changed request method.
     *
     * @param string $method Case-sensitive method.
     * @return static
     * @throws \InvalidArgumentException for invalid HTTP methods.
     */
    public function withMethod(string $method): ServerRequestInterface
    {
        // TODO: Implement withMethod() method.
        return $this->__call__(__FUNCTION__, $method);
    }

    /**
     * Retrieves the URI instance.
     *
     * This method MUST return a UriInterface instance.
     *
     * @link http://tools.ietf.org/html/rfc3986#section-4.3
     * @return UriInterface Returns a UriInterface instance
     *     representing the URI of the request.
     */
    public function getUri(): UriInterface
    {
        // TODO: Implement getUri() method.
        return $this->__call__(__FUNCTION__);
    }

    /**
     * Returns an instance with the provided URI.
     *
     * This method MUST update the Host header of the returned request by
     * default if the URI contains a host component. If the URI does not
     * contain a host component, any pre-existing Host header MUST be carried
     * over to the returned request.
     *
     * You can opt-in to preserving the original state of the Host header by
     * setting `$preserveHost` to `true`. When `$preserveHost` is set to
     * `true`, this method interacts with the Host header in the following ways:
     *
     * - If the Host header is missing or empty, and the new URI contains
     *   a host component, this method MUST update the Host header in the returned
     *   request.
     * - If the Host header is missing or empty, and the new URI does not contain a
     *   host component, this method MUST NOT update the Host header in the returned
     *   request.
     * - If a Host header is present and non-empty, this method MUST NOT update
     *   the Host header in the returned request.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * new UriInterface instance.
     *
     * @link http://tools.ietf.org/html/rfc3986#section-4.3
     * @param UriInterface $uri New request URI to use.
     * @param bool $preserveHost Preserve the original state of the Host header.
     * @return static
     */
    public function withUri(UriInterface $uri, bool $preserveHost = false): ServerRequestInterface
    {
        // TODO: Implement withUri() method.
        return $this->__call__(__FUNCTION__, $uri, $preserveHost);
    }

    /**
     * Retrieve server parameters.
     *
     * Retrieves data related to the incoming request environment,
     * typically derived from PHP's $_SERVER superglobal. The data IS NOT
     * REQUIRED to originate from $_SERVER.
     *
     * @return array
     */
    public function getServerParams(): array
    {
        // TODO: Implement getServerParams() method.
        return $this->__call__(__FUNCTION__);
    }

    /**
     * Retrieve cookies.
     *
     * Retrieves cookies sent by the client to the server.
     *
     * The data MUST be compatible with the structure of the $_COOKIE
     * superglobal.
     *
     * @return array
     */
    public function getCookieParams(): array
    {
        // TODO: Implement getCookieParams() method.
        return $this->__call__(__FUNCTION__);
    }

    /**
     * Return an instance with the specified cookies.
     *
     * The data IS NOT REQUIRED to come from the $_COOKIE superglobal, but MUST
     * be compatible with the structure of $_COOKIE. Typically, this data will
     * be injected at instantiation.
     *
     * This method MUST NOT update the related Cookie header of the request
     * instance, nor related values in the server params.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * updated cookie values.
     *
     * @param array $cookies Array of key/value pairs representing cookies.
     * @return static
     */
    public function withCookieParams(array $cookies): ServerRequestInterface
    {
        // TODO: Implement withCookieParams() method.
        return $this->__call__(__FUNCTION__, $cookies);
    }

    /**
     * Retrieve query string arguments.
     *
     * Retrieves the deserialized query string arguments, if any.
     *
     * Note: the query params might not be in sync with the URI or server
     * params. If you need to ensure you are only getting the original
     * values, you may need to parse the query string from `getUri()->getQuery()`
     * or from the `QUERY_STRING` server param.
     *
     * @return array
     */
    public function getQueryParams(): array
    {
        // TODO: Implement getQueryParams() method.
        return $this->__call__(__FUNCTION__);
    }

    /**
     * Return an instance with the specified query string arguments.
     *
     * These values SHOULD remain immutable over the course of the incoming
     * request. They MAY be injected during instantiation, such as from PHP's
     * $_GET superglobal, or MAY be derived from some other value such as the
     * URI. In cases where the arguments are parsed from the URI, the data
     * MUST be compatible with what PHP's parse_str() would return for
     * purposes of how duplicate query parameters are handled, and how nested
     * sets are handled.
     *
     * Setting query string arguments MUST NOT change the URI stored by the
     * request, nor the values in the server params.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * updated query string arguments.
     *
     * @param array $query Array of query string arguments, typically from
     *     $_GET.
     * @return static
     */
    public function withQueryParams(array $query): ServerRequestInterface
    {
        // TODO: Implement withQueryParams() method.
        return $this->__call__(__FUNCTION__, $query);
    }

    /**
     * Retrieve normalized file upload data.
     *
     * This method returns upload metadata in a normalized tree, with each leaf
     * an instance of Psr\Http\Message\UploadedFileInterface.
     *
     * These values MAY be prepared from $_FILES or the message body during
     * instantiation, or MAY be injected via withUploadedFiles().
     *
     * @return array An array tree of UploadedFileInterface instances; an empty
     *     array MUST be returned if no data is present.
     */
    public function getUploadedFiles(): array
    {
        // TODO: Implement getUploadedFiles() method.
        return $this->__call__(__FUNCTION__);
    }

    /**
     * Create a new instance with the specified uploaded files.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * updated body parameters.
     *
     * @param array $uploadedFiles An array tree of UploadedFileInterface instances.
     * @return static
     * @throws \InvalidArgumentException if an invalid structure is provided.
     */
    public function withUploadedFiles(array $uploadedFiles): ServerRequestInterface
    {
        // TODO: Implement withUploadedFiles() method.
        return $this->__call__(__FUNCTION__, $uploadedFiles);
    }

    /**
     * Retrieve any parameters provided in the request body.
     *
     * If the request Content-Type is either application/x-www-form-urlencoded
     * or multipart/form-data, and the request method is POST, this method MUST
     * return the contents of $_POST.
     *
     * Otherwise, this method may return any results of deserializing
     * the request body content; as parsing returns structured content, the
     * potential types MUST be arrays or objects only. A null value indicates
     * the absence of body content.
     *
     * @return null|array|object The deserialized body parameters, if any.
     *     These will typically be an array or object.
     */
    public function getParsedBody(): object|array|null
    {
        // TODO: Implement getParsedBody() method.
        return $this->__call__(__FUNCTION__);
    }


    /**
     * @param string $name
     * @param mixed|null $default
     * @return mixed
     */
    public function post(string $name, mixed $default = null): mixed
    {
        $parseBody = $this->getParsedBody();
        if ($parseBody instanceof \Closure) {
            $this->withParsedBody($parseBody = call_user_func($parseBody));
        }
        return $parseBody[$name] ?? $default;
    }


    /**
     * @return bool
     */
    public function getIsPost(): bool
    {
        return $this->getMethod() == 'POST';
    }


    /**
     * @param string $name
     * @param mixed $default
     * @return mixed
     */
    public function query(string $name, mixed $default = null): mixed
    {
        return $this->getQueryParams()[$name] ?? $default;
    }


    /**
     * Return an instance with the specified body parameters.
     *
     * These MAY be injected during instantiation.
     *
     * If the request Content-Type is either application/x-www-form-urlencoded
     * or multipart/form-data, and the request method is POST, use this method
     * ONLY to inject the contents of $_POST.
     *
     * The data IS NOT REQUIRED to come from $_POST, but MUST be the results of
     * deserializing the request body content. Deserialization/parsing returns
     * structured data, and, as such, this method ONLY accepts arrays or objects,
     * or a null value if nothing was available to parse.
     *
     * As an example, if content negotiation determines that the request data
     * is a JSON payload, this method could be used to create a request
     * instance with the deserialized parameters.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * updated body parameters.
     *
     * @param null|array|object $data The deserialized body data. This will
     *     typically be in an array or object.
     * @return static
     * @throws \InvalidArgumentException if an unsupported argument type is
     *     provided.
     */
    public function withParsedBody($data): ServerRequestInterface
    {
        // TODO: Implement withParsedBody() method.
        return $this->__call__(__FUNCTION__, $data);
    }

    /**
     * Retrieve attributes derived from the request.
     *
     * The request "attributes" may be used to allow injection of any
     * parameters derived from the request: e.g., the results of path
     * match operations; the results of decrypting cookies; the results of
     * deserializing non-form-encoded message bodies; etc. Attributes
     * will be application and request specific, and CAN be mutable.
     *
     * @return array Attributes derived from the request.
     */
    public function getAttributes(): array
    {
        // TODO: Implement getAttributes() method.
        return $this->__call__(__FUNCTION__);
    }

    /**
     * Retrieve a single derived request attribute.
     *
     * Retrieves a single derived request attribute as described in
     * getAttributes(). If the attribute has not been previously set, returns
     * the default value as provided.
     *
     * This method obviates the need for a hasAttribute() method, as it allows
     * specifying a default value to return if the attribute is not found.
     *
     * @param string $name The attribute name.
     * @param mixed $default Default value to return if the attribute does not exist.
     * @return mixed
     * @see getAttributes()
     */
    public function getAttribute(string $name, $default = null): mixed
    {
        // TODO: Implement getAttribute() method.
        return $this->__call__(__FUNCTION__, $name, $default);
    }

    /**
     * Return an instance with the specified derived request attribute.
     *
     * This method allows setting a single derived request attribute as
     * described in getAttributes().
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * updated attribute.
     *
     * @param string $name The attribute name.
     * @param mixed $value The value of the attribute.
     * @return static
     * @see getAttributes()
     */
    public function withAttribute(string $name, $value): ServerRequestInterface
    {
        // TODO: Implement withAttribute() method.
        return $this->__call__(__FUNCTION__, $name, $value);
    }

    /**
     * Return an instance that removes the specified derived request attribute.
     *
     * This method allows removing a single derived request attribute as
     * described in getAttributes().
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that removes
     * the attribute.
     *
     * @param string $name The attribute name.
     * @return static
     * @see getAttributes()
     */
    public function withoutAttribute(string $name): ServerRequestInterface
    {
        // TODO: Implement withoutAttribute() method.
        return $this->__call__(__FUNCTION__, $name);
    }
}