//
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/CPPAlliance/url
//

// Test that header file is self-contained.
#include <boost/url/authority_view.hpp>

#include <boost/url/static_pool.hpp>
#include <boost/url/bnf/parse.hpp>
#include "test_bnf.hpp"
#include "test_suite.hpp"
#include <sstream>

namespace boost {
namespace urls {

class authority_view_test
{
public:
    void
    testSpecialMembers()
    {
        // authority_view()
        // ~authority_view()
        {
            authority_view a;
            BOOST_TEST(a.empty());
            BOOST_TEST(a.size() == 0);
        }
    }

    void
    testObservers()
    {
        // max_size()
        {
            BOOST_TEST(
                authority_view::max_size() > 0);

            authority_view a;
            BOOST_TEST(a.max_size() > 0);
        }

        // size()
        {
            authority_view a;
            BOOST_TEST(a.size() == 0);
            a = parse_authority("x").value();
            BOOST_TEST(a.size() == 1);
        }

        // empty()
        {
            authority_view a;
            BOOST_TEST(a.empty());
            a = parse_authority("x").value();
            BOOST_TEST(! a.empty());
        }

        // data()
        {
            string_view s = "x";
            authority_view a = parse_authority(s).value();
            BOOST_TEST(a.data() != nullptr);
            BOOST_TEST(a.data() == s.data());
        }

        // at(std::size_t)
        {
            string_view s = "xy";
            authority_view a = parse_authority(s).value();
            BOOST_TEST(a.at(0) == 'x');
            BOOST_TEST(a.at(1) == 'y');
            BOOST_TEST_THROWS(a.at(2),
                std::out_of_range);
        }

        // operator[](std::size_t)
        {
            string_view s = "xyz";
            authority_view a = parse_authority(s).value();
            BOOST_TEST(a[0] == 'x');
            BOOST_TEST(a[1] == 'y');
            BOOST_TEST(&a[2] == &s[2]);
        }

        // begin()
        // end()
        {
            string_view s = "xyz";
            authority_view a = parse_authority(s).value();
            BOOST_TEST(a.begin() == s.data());
            BOOST_TEST(a.begin() == a.data());
            BOOST_TEST(a.end() != a.begin());
            BOOST_TEST(a.end()[-1] == 'z');
        }

        // encoded_authority()
        {
            string_view s = "xyz";
            authority_view a = parse_authority(s).value();
            BOOST_TEST(a.encoded_authority() == s);
            BOOST_TEST(a.encoded_authority().data() == s.data());
        }

        // collect()
        {
        std::shared_ptr<authority_view const> sp;
        {
            std::string s( "example.com" );
            authority_view a = parse_authority( s ).value();    // a references characters in s

            assert( a.data() == s.data() );                     // same buffer

            sp = a.collect();

            assert( sp->data() != s.data() );                   // different buffer
            assert( sp->encoded_authority() == s);              // same contents

            // s is destroyed and thus a
            // becomes invalid, but sp remains valid.
        }
        }
    }

    void
    testUserinfo()
    {
        auto const no =
            [](string_view s)
        {
            BOOST_TEST_NO_THROW(
            [s]{
                auto a = parse_authority(s).value();
                BOOST_TEST(! a.has_userinfo());
            }());
        };
        auto const yes =
            []( string_view s,
                string_view m1,
                string_view m2)
        {
            BOOST_TEST_NO_THROW(
            [&]{
                auto a = parse_authority(s).value();
                BOOST_TEST(a.has_userinfo());
                BOOST_TEST(
                    a.encoded_userinfo() == m1);
                BOOST_TEST(
                    a.userinfo() == m2);
            }());
        };

        yes("a@", "a", "a");
        yes(":@", ":", ":");
        yes("@", "", "");
        yes("@x", "", "");
        yes("%61@x", "%61", "a");
        yes(":%61@x", ":%61", ":a");
        yes("%61%3a%62@x", "%61%3a%62", "a:b");

        {
            auto a = parse_authority("@").value();
            BOOST_TEST(a.has_userinfo());
            BOOST_TEST(a.encoded_userinfo() == "");
            BOOST_TEST(a.userinfo() == "");
            BOOST_TEST(a.encoded_user() == "");
            BOOST_TEST(a.user() == "");
            BOOST_TEST(a.has_password() == false);
            BOOST_TEST(a.encoded_password() == "");
            BOOST_TEST(a.password() == "");
        }
        {
            auto a = parse_authority(":@").value();
            BOOST_TEST(a.has_userinfo());
            BOOST_TEST(a.encoded_userinfo() == ":");
            BOOST_TEST(a.userinfo() == ":");
            BOOST_TEST(a.encoded_user() == "");
            BOOST_TEST(a.user() == "");
            BOOST_TEST(a.has_password() == true);
            BOOST_TEST(a.encoded_password() == "");
            BOOST_TEST(a.password() == "");
        }
        {
            auto a = parse_authority("a%41:@").value();
            BOOST_TEST(a.has_userinfo());
            BOOST_TEST(a.encoded_userinfo() == "a%41:");
            BOOST_TEST(a.encoded_user() == "a%41");
            BOOST_TEST(a.user() == "aA");
            BOOST_TEST(a.has_password() == true);
            BOOST_TEST(a.encoded_password() == "");
            BOOST_TEST(a.password() == "");
        }
        {
            auto a = parse_authority(":b%42@").value();
            BOOST_TEST(a.has_userinfo());
            BOOST_TEST(a.encoded_userinfo() == ":b%42");
            BOOST_TEST(a.encoded_user() == "");
            BOOST_TEST(a.user() == "");
            BOOST_TEST(a.has_password() == true);
            BOOST_TEST(a.encoded_password() == "b%42");
            BOOST_TEST(a.password() == "bB");
        }
        {
            auto a = parse_authority("a:b@").value();
            BOOST_TEST(a.has_userinfo());
            BOOST_TEST(a.encoded_userinfo() == "a:b");
            BOOST_TEST(a.encoded_user() == "a");
            BOOST_TEST(a.has_password() == true);
            BOOST_TEST(a.encoded_password() == "b");
        }
        {
            auto a = parse_authority("%3a:%3a@").value();
            BOOST_TEST(a.has_userinfo());
            BOOST_TEST(a.encoded_userinfo() == "%3a:%3a");
            BOOST_TEST(a.userinfo() == ":::");
            BOOST_TEST(a.encoded_user() == "%3a");
            BOOST_TEST(a.user() == ":");
            BOOST_TEST(a.has_password() == true);
            BOOST_TEST(a.encoded_password() == "%3a");
            BOOST_TEST(a.password() == ":");
        }
        {
            auto a = parse_authority("%2525@").value();
            BOOST_TEST(a.has_userinfo());
            BOOST_TEST(a.encoded_userinfo() == "%2525");
            BOOST_TEST(a.userinfo() == "%25");
            BOOST_TEST(a.encoded_user() == "%2525");
            BOOST_TEST(a.user() == "%25");
            BOOST_TEST(a.has_password() == false);
            BOOST_TEST(a.encoded_password() == "");
            BOOST_TEST(a.password() == "");
        }
    }

    void
    testHost()
    {
        {
            auto a = parse_authority("").value();
            BOOST_TEST(a.host_type() ==
                host_type::name);
            BOOST_TEST(a.encoded_host() ==
                "");
            BOOST_TEST(a.ipv4_address()
                == ipv4_address());
            BOOST_TEST(a.ipv6_address()
                == ipv6_address());
            BOOST_TEST(
                a.ipv_future() == "");
        }
        {
            auto a = parse_authority("").value();
            BOOST_TEST(a.host_type() ==
                host_type::name);
            BOOST_TEST(a.encoded_host() ==
                "");
        }
        {
            auto a = parse_authority("").value();
            BOOST_TEST(a.host_type() ==
                host_type::name);
            BOOST_TEST(a.encoded_host() ==
                "");
        }
        {
            auto a = parse_authority("www.example.com").value();
            BOOST_TEST(a.host_type() ==
                host_type::name);
            BOOST_TEST(a.encoded_host() ==
                "www.example.com");
            BOOST_TEST(a.host() ==
                "www.example.com");
        }
        {
            auto a = parse_authority("192.168.0.1").value();
            BOOST_TEST(a.host_type() ==
                host_type::ipv4);
            BOOST_TEST(a.encoded_host() ==
                "192.168.0.1");
            BOOST_TEST(a.host() ==
                "192.168.0.1");
            BOOST_TEST(
                a.ipv4_address().to_uint() ==
                    0xc0a80001);
        }
        {
            auto a = parse_authority(
                "[1::6:192.168.0.1]:8080").value();
            BOOST_TEST(a.host_type() ==
                host_type::ipv6);
            BOOST_TEST(a.encoded_host() ==
                "[1::6:192.168.0.1]");
            BOOST_TEST(a.host() ==
                "[1::6:192.168.0.1]");
            BOOST_TEST(a.ipv6_address() ==
                make_ipv6_address("1::6:c0a8:1"));
        }
        {
            auto a = parse_authority(
                "[v1.x]:8080").value();
            BOOST_TEST(a.host_type() ==
                host_type::ipvfuture);
            BOOST_TEST(a.encoded_host() ==
                "[v1.x]");
            BOOST_TEST(a.host() ==
                "[v1.x]");
            BOOST_TEST(a.ipv_future() ==
                "[v1.x]");
        }
    }

    void
    testPort()
    {
        {
            auto a = parse_authority("").value();
            BOOST_TEST(! a.has_port());
            BOOST_TEST(a.port() == "");
            BOOST_TEST(a.port_number() == 0);
        }
        {
            auto a = parse_authority("www").value();
            BOOST_TEST(! a.has_port());
            BOOST_TEST(a.port() == "");
            BOOST_TEST(a.port_number() == 0);
        }
        {
            auto a = parse_authority(":").value();
            BOOST_TEST(a.has_port());
            BOOST_TEST(a.port() == "");
            BOOST_TEST(a.port_number() == 0);
        }
        {
            auto a = parse_authority(":0").value();
            BOOST_TEST(a.has_port());
            BOOST_TEST(a.port() == "0");
            BOOST_TEST(a.port_number() == 0);
        }
        {
            auto a = parse_authority(":42").value();
            BOOST_TEST(a.has_port());
            BOOST_TEST(a.port() == "42");
            BOOST_TEST(a.port_number() == 42);
        }
        {
            auto a = parse_authority(":00000").value();
            BOOST_TEST(a.has_port());
            BOOST_TEST(a.port() == "00000");
            BOOST_TEST(a.port_number() == 0);
        }
        {
            auto a = parse_authority(":000001").value();
            BOOST_TEST(a.has_port());
            BOOST_TEST(a.port() == "000001");
            BOOST_TEST(a.port_number() == 1);
        }
        {
            auto a = parse_authority(":65535").value();
            BOOST_TEST(a.has_port());
            BOOST_TEST(a.port() == "65535");
            BOOST_TEST(a.port_number() == 65535);
        }
        {
            auto a = parse_authority(":65536").value();
            BOOST_TEST(a.has_port());
            BOOST_TEST(a.port() == "65536");
            BOOST_TEST(a.port_number() == 0);
        }
    }

    void
    testHostAndPort()
    {
        {
            auto a = parse_authority("x:1").value();
            BOOST_TEST(a.encoded_host_and_port() ==
                "x:1");
        }
        {
            auto a = parse_authority("x%3a:1").value();
            BOOST_TEST(a.encoded_host_and_port() ==
                "x%3a:1");
        }
        {
            auto a = parse_authority(":1").value();
            BOOST_TEST(a.encoded_host_and_port() ==
                ":1");
        }
        {
            auto a = parse_authority(":000001").value();
            BOOST_TEST(a.encoded_host_and_port() ==
                ":000001");
        }
        {
            auto a = parse_authority("xyz:99999").value();
            BOOST_TEST(a.encoded_host_and_port() ==
                "xyz:99999");
        }
    }

    void
    run()
    {
        testSpecialMembers();
        testObservers();
        testUserinfo();
        testHost();
        testPort();
        testHostAndPort();
    }
};

TEST_SUITE(
    authority_view_test,
    "boost.url.authority_view");

} // urls
} // boost