/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 * Copyright (c) 2022, the SerenityOS developers.
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <AK/ByteBuffer.h>
#include <AK/Optional.h>
#include <AK/String.h>
#include <AK/URL.h>
#include <AK/Vector.h>
#include <LibCore/Forward.h>

namespace HTTP {

class HttpRequest {
public:
    enum Method {
        Invalid,
        HEAD,
        GET,
        POST,
        DELETE,
        PATCH,
        OPTIONS,
        TRACE,
        CONNECT,
        PUT,
    };

    struct Header {
        String name;
        String value;
    };

    struct BasicAuthenticationCredentials {
        String username;
        String password;
    };

    HttpRequest() = default;
    ~HttpRequest() = default;

    String const& resource() const { return m_resource; }
    Vector<Header> const& headers() const { return m_headers; }

    URL const& url() const { return m_url; }
    void set_url(URL const& url) { m_url = url; }

    Method method() const { return m_method; }
    void set_method(Method method) { m_method = method; }

    ByteBuffer const& body() const { return m_body; }
    void set_body(ByteBuffer&& body) { m_body = move(body); }

    String method_name() const;
    ByteBuffer to_raw_request() const;

    void set_headers(HashMap<String, String> const&);

    static Optional<HttpRequest> from_raw_request(ReadonlyBytes);
    static Optional<Header> get_http_basic_authentication_header(URL const&);
    static Optional<BasicAuthenticationCredentials> parse_http_basic_authentication_header(String const&);

private:
    URL m_url;
    String m_resource;
    Method m_method { GET };
    Vector<Header> m_headers;
    ByteBuffer m_body;
};

String to_string(HttpRequest::Method);

}