/*

 * Copyright (c) 2022-2023, Sam Atkins <atkinssj@serenityos.org>

 *

 * SPDX-License-Identifier: BSD-2-Clause

 */

#pragma once

#include <AK/String.h>

#include <LibWeb/Forward.h>

namespace Web::CSS {

class Time {

public:

    enum class Type {

        S,

        Ms,

    };

    static Optional<Type> unit_from_name(StringView);

    Time(double value, Type type);

    static Time make_seconds(double);

    Time percentage_of(Percentage const&) const;

    String to_string() const;

    double to_milliseconds() const;

    double to_seconds() const;

    Type type() const { return m_type; }

    double raw_value() const { return m_value; }

    StringView unit_name() const;

    bool operator==(Time const& other) const

    {

        return m_type == other.m_type && m_value == other.m_value;

    }

    int operator<=>(Time const& other) const

    {

        auto this_seconds = to_seconds();

        auto other_seconds = other.to_seconds();

        if (this_seconds < other_seconds)

            return -1;

        if (this_seconds > other_seconds)

            return 1;

        return 0;

    }

    static Time resolve_calculated(NonnullRefPtr<CSSMathValue> const&, Layout::Node const&, Time const& reference_value);

private:

    Type m_type;

    double m_value { 0 };

};

}

template<>

struct AK::Formatter<Web::CSS::Time> : Formatter<StringView> {

    ErrorOr<void> format(FormatBuilder& builder, Web::CSS::Time const& time)

    {

        return Formatter<StringView>::format(builder, time.to_string());

    }

};