#pragma once

#include <AK/Optional.h>
#include <AK/String.h>
#include <AK/Utf16String.h>
#include <LibGC/Ptr.h>
#include <LibJS/Forward.h>
#include <LibJS/Runtime/NativeFunction.h>
#include <LibJS/Runtime/Object.h>
#include <LibJS/Runtime/Value.h>
#include <LibWeb/Bindings/Event.h>
#include <LibWeb/Bindings/InterfaceObject.h>
#include <LibWeb/Bindings/NavigationType.h>
#include <LibWeb/Forward.h>
#include <LibWeb/WebIDL/CallbackType.h>

namespace Web::Bindings {

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

private:
};

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

private:
    JS_DECLARE_NATIVE_FUNCTION(navigation_type_getter);
    JS_DECLARE_NATIVE_FUNCTION(destination_getter);
    JS_DECLARE_NATIVE_FUNCTION(can_intercept_getter);
    JS_DECLARE_NATIVE_FUNCTION(user_initiated_getter);
    JS_DECLARE_NATIVE_FUNCTION(hash_change_getter);
    JS_DECLARE_NATIVE_FUNCTION(signal_getter);
    JS_DECLARE_NATIVE_FUNCTION(form_data_getter);
    JS_DECLARE_NATIVE_FUNCTION(download_request_getter);
    JS_DECLARE_NATIVE_FUNCTION(info_getter);
    JS_DECLARE_NATIVE_FUNCTION(has_ua_visual_transition_getter);
    JS_DECLARE_NATIVE_FUNCTION(source_element_getter);
    JS_DECLARE_NATIVE_FUNCTION(intercept);
    JS_DECLARE_NATIVE_FUNCTION(scroll);
};

enum class NavigationFocusReset : u8 {
    AfterTransition,
    Manual,
};

JS::ThrowCompletionOr<NavigationFocusReset> convert_to_idl_value_for_navigation_focus_reset(JS::VM&, JS::Value);

Utf16String idl_enum_to_string(NavigationFocusReset);

enum class NavigationScrollBehavior : u8 {
    AfterTransition,
    Manual,
};

JS::ThrowCompletionOr<NavigationScrollBehavior> convert_to_idl_value_for_navigation_scroll_behavior(JS::VM&, JS::Value);

Utf16String idl_enum_to_string(NavigationScrollBehavior);

struct NavigateEventInit : public EventInit {
    bool can_intercept { false };
    GC::Ref<HTML::NavigationDestination> destination;
    Optional<String> download_request { OptionalNone {} };
    GC::Ptr<XHR::FormData> form_data { nullptr };
    bool has_ua_visual_transition { false };
    bool hash_change { false };
    Optional<JS::Value> info {};
    NavigationType navigation_type { NavigationType::Push };
    GC::Ref<DOM::AbortSignal> signal;
    GC::Ptr<DOM::Element> source_element { nullptr };
    bool user_initiated { false };
};

JS::ThrowCompletionOr<NavigateEventInit> convert_to_idl_value_for_navigate_event_init(JS::VM&, JS::Value);

struct NavigationInterceptOptions {
    Optional<NavigationFocusReset> focus_reset {};
    GC::Ptr<WebIDL::CallbackType> handler {};
    Optional<NavigationScrollBehavior> scroll {};
};

JS::ThrowCompletionOr<NavigationInterceptOptions> convert_to_idl_value_for_navigation_intercept_options(JS::VM&, JS::Value);

} // namespace Web::Bindings