#pragma once

#include <AK/Optional.h>
#include <AK/Utf16String.h>
#include <LibJS/Forward.h>
#include <LibJS/Runtime/NativeFunction.h>
#include <LibJS/Runtime/Object.h>
#include <LibJS/Runtime/Value.h>
#include <LibWeb/Bindings/InterfaceObject.h>
#include <LibWeb/WebIDL/Types.h>

namespace Web::Bindings {

struct CSSNumericValueConstructor {
public:
    static void initialize(JS::Realm&, JS::NativeFunction&);
    static JS::ThrowCompletionOr<GC::Ref<JS::Object>> construct(InterfaceConstructor&, JS::FunctionObject&);

private:
    JS_DECLARE_NATIVE_FUNCTION(parse);
};

struct CSSNumericValuePrototype {
public:
    static void initialize(JS::Realm&, JS::Object&);
    static void define_unforgeable_attributes(JS::Realm&, JS::Object&);

private:
    JS_DECLARE_NATIVE_FUNCTION(add);
    JS_DECLARE_NATIVE_FUNCTION(sub);
    JS_DECLARE_NATIVE_FUNCTION(mul);
    JS_DECLARE_NATIVE_FUNCTION(div);
    JS_DECLARE_NATIVE_FUNCTION(min);
    JS_DECLARE_NATIVE_FUNCTION(max);
    JS_DECLARE_NATIVE_FUNCTION(equals);
    JS_DECLARE_NATIVE_FUNCTION(to);
    JS_DECLARE_NATIVE_FUNCTION(type);
};

enum class CSSNumericBaseType : u8 {
    Length,
    Angle,
    Time,
    Frequency,
    Resolution,
    Flex,
    Percent,
};

JS::ThrowCompletionOr<CSSNumericBaseType> convert_to_idl_value_for_css_numeric_base_type(JS::VM&, JS::Value);

Utf16String idl_enum_to_string(CSSNumericBaseType);

struct CSSNumericType {
    Optional<WebIDL::Long> angle {};
    Optional<WebIDL::Long> flex {};
    Optional<WebIDL::Long> frequency {};
    Optional<WebIDL::Long> length {};
    Optional<WebIDL::Long> percent {};
    Optional<CSSNumericBaseType> percent_hint {};
    Optional<WebIDL::Long> resolution {};
    Optional<WebIDL::Long> time {};
};

JS::ThrowCompletionOr<CSSNumericType> convert_to_idl_value_for_css_numeric_type(JS::VM&, JS::Value);

} // namespace Web::Bindings