#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/Value.h>
#include <LibJS/Runtime/ValueInlines.h>
#include <LibWeb/Bindings/AbstractRange.h>
#include <LibWeb/Bindings/ExceptionOrUtils.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/DOM/AbstractRange.h>
#include <LibWeb/DOM/Node.h>
#include <LibWeb/WebIDL/Tracing.h>
#include <LibWeb/WebIDL/Types.h>

namespace Web::Bindings {

void AbstractRangeConstructor::initialize(JS::Realm& realm, JS::NativeFunction& object)
{
    auto& vm = realm.vm();
    [[maybe_unused]] u8 default_attributes = JS::Attribute::Enumerable;

    
    object.define_direct_property(vm.names.length, JS::Value(0), JS::Attribute::Configurable);
    object.define_direct_property(vm.names.name, JS::PrimitiveString::create(vm, "AbstractRange"_utf16), JS::Attribute::Configurable);
    object.define_direct_property(vm.names.prototype, &ensure_web_prototype<AbstractRangePrototype>(realm, "AbstractRange"_fly_string), 0);
}

JS::ThrowCompletionOr<GC::Ref<JS::Object>> AbstractRangeConstructor::construct([[maybe_unused]] InterfaceConstructor& constructor, [[maybe_unused]] JS::FunctionObject& new_target)
{
    WebIDL::log_trace(constructor.vm(), "AbstractRangeConstructor::construct");
    return constructor.vm().throw_completion<JS::TypeError>(JS::ErrorType::NotAConstructor, "AbstractRange");
}

void AbstractRangePrototype::initialize(JS::Realm& realm, JS::Object& object)
{
    [[maybe_unused]] auto& vm = realm.vm();
    [[maybe_unused]] u8 default_attributes = JS::Attribute::Enumerable | JS::Attribute::Configurable | JS::Attribute::Writable;

    object.set_prototype(realm.intrinsics().object_prototype());

    auto start_container_id = "startContainer"_utf16_fly_string;
    auto native_start_container_getter = JS::NativeFunction::create(realm, start_container_getter, 0, start_container_id, &realm, "get"sv);
    GC::Ptr<JS::NativeFunction> native_start_container_setter;

    // 4. Let configurable be false if attr is unforgeable and true otherwise.
    auto start_container_attributes = default_attributes;

    // 5. Let desc be the PropertyDescriptor{[[Get]]: getter, [[Set]]: setter, [[Enumerable]]: true, [[Configurable]]: configurable}.

    // 7. Perform ! DefinePropertyOrThrow(target, id, desc).
    object.define_direct_accessor(start_container_id, native_start_container_getter, native_start_container_setter, start_container_attributes);

    // 8. FIXME: If attr’s type is an observable array type with type argument T, then set target’s backing observable array exotic object for attr to the result of creating an observable array exotic object in realm, given T, attr’s set an indexed value algorithm, and attr’s delete an indexed value algorithm.
    auto start_offset_id = "startOffset"_utf16_fly_string;
    auto native_start_offset_getter = JS::NativeFunction::create(realm, start_offset_getter, 0, start_offset_id, &realm, "get"sv);
    GC::Ptr<JS::NativeFunction> native_start_offset_setter;

    // 4. Let configurable be false if attr is unforgeable and true otherwise.
    auto start_offset_attributes = default_attributes;

    // 5. Let desc be the PropertyDescriptor{[[Get]]: getter, [[Set]]: setter, [[Enumerable]]: true, [[Configurable]]: configurable}.

    // 7. Perform ! DefinePropertyOrThrow(target, id, desc).
    object.define_direct_accessor(start_offset_id, native_start_offset_getter, native_start_offset_setter, start_offset_attributes);

    // 8. FIXME: If attr’s type is an observable array type with type argument T, then set target’s backing observable array exotic object for attr to the result of creating an observable array exotic object in realm, given T, attr’s set an indexed value algorithm, and attr’s delete an indexed value algorithm.
    auto end_container_id = "endContainer"_utf16_fly_string;
    auto native_end_container_getter = JS::NativeFunction::create(realm, end_container_getter, 0, end_container_id, &realm, "get"sv);
    GC::Ptr<JS::NativeFunction> native_end_container_setter;

    // 4. Let configurable be false if attr is unforgeable and true otherwise.
    auto end_container_attributes = default_attributes;

    // 5. Let desc be the PropertyDescriptor{[[Get]]: getter, [[Set]]: setter, [[Enumerable]]: true, [[Configurable]]: configurable}.

    // 7. Perform ! DefinePropertyOrThrow(target, id, desc).
    object.define_direct_accessor(end_container_id, native_end_container_getter, native_end_container_setter, end_container_attributes);

    // 8. FIXME: If attr’s type is an observable array type with type argument T, then set target’s backing observable array exotic object for attr to the result of creating an observable array exotic object in realm, given T, attr’s set an indexed value algorithm, and attr’s delete an indexed value algorithm.
    auto end_offset_id = "endOffset"_utf16_fly_string;
    auto native_end_offset_getter = JS::NativeFunction::create(realm, end_offset_getter, 0, end_offset_id, &realm, "get"sv);
    GC::Ptr<JS::NativeFunction> native_end_offset_setter;

    // 4. Let configurable be false if attr is unforgeable and true otherwise.
    auto end_offset_attributes = default_attributes;

    // 5. Let desc be the PropertyDescriptor{[[Get]]: getter, [[Set]]: setter, [[Enumerable]]: true, [[Configurable]]: configurable}.

    // 7. Perform ! DefinePropertyOrThrow(target, id, desc).
    object.define_direct_accessor(end_offset_id, native_end_offset_getter, native_end_offset_setter, end_offset_attributes);

    // 8. FIXME: If attr’s type is an observable array type with type argument T, then set target’s backing observable array exotic object for attr to the result of creating an observable array exotic object in realm, given T, attr’s set an indexed value algorithm, and attr’s delete an indexed value algorithm.
    auto collapsed_id = "collapsed"_utf16_fly_string;
    auto native_collapsed_getter = JS::NativeFunction::create(realm, collapsed_getter, 0, collapsed_id, &realm, "get"sv);
    GC::Ptr<JS::NativeFunction> native_collapsed_setter;

    // 4. Let configurable be false if attr is unforgeable and true otherwise.
    auto collapsed_attributes = default_attributes;

    // 5. Let desc be the PropertyDescriptor{[[Get]]: getter, [[Set]]: setter, [[Enumerable]]: true, [[Configurable]]: configurable}.

    // 7. Perform ! DefinePropertyOrThrow(target, id, desc).
    object.define_direct_accessor(collapsed_id, native_collapsed_getter, native_collapsed_setter, collapsed_attributes);

    // 8. FIXME: If attr’s type is an observable array type with type argument T, then set target’s backing observable array exotic object for attr to the result of creating an observable array exotic object in realm, given T, attr’s set an indexed value algorithm, and attr’s delete an indexed value algorithm.
    object.define_direct_property(vm.well_known_symbol_to_string_tag(), JS::PrimitiveString::create(vm, "AbstractRange"_utf16), JS::Attribute::Configurable);
}

void AbstractRangePrototype::define_unforgeable_attributes(JS::Realm& realm, [[maybe_unused]] JS::Object& object)
{
    [[maybe_unused]] auto& vm = realm.vm();
    [[maybe_unused]] u8 default_attributes = JS::Attribute::Enumerable;
}

[[maybe_unused]] static JS::ThrowCompletionOr<DOM::AbstractRange*> impl_from(JS::VM& vm, JS::Value js_value)
{

    if (auto impl = js_value.as_if<DOM::AbstractRange>())
        return impl.ptr();
    return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObjectOfType, "AbstractRange");
}

[[maybe_unused]] static JS::ThrowCompletionOr<DOM::AbstractRange*> impl_from(JS::VM& vm)
{
    auto this_value = vm.this_value();
    if (this_value.is_nullish())
        this_value = &vm.current_realm()->global_object();
    return impl_from(vm, this_value);
}

JS_DEFINE_NATIVE_FUNCTION(AbstractRangePrototype::start_container_getter)
{
    WebIDL::log_trace(vm, "AbstractRangePrototype::start_container_getter");
    [[maybe_unused]] auto& realm = *vm.current_realm();

    auto* idl_object = TRY(impl_from(vm));


    auto R = TRY(throw_dom_exception_if_needed(vm, [&] { return idl_object->start_container(); }));

    return JS::Value(R);
}

JS_DEFINE_NATIVE_FUNCTION(AbstractRangePrototype::start_offset_getter)
{
    WebIDL::log_trace(vm, "AbstractRangePrototype::start_offset_getter");
    [[maybe_unused]] auto& realm = *vm.current_realm();

    auto* idl_object = TRY(impl_from(vm));


    auto R = TRY(throw_dom_exception_if_needed(vm, [&] { return idl_object->start_offset(); }));

    return JS::Value(static_cast<WebIDL::UnsignedLong>(R));
}

JS_DEFINE_NATIVE_FUNCTION(AbstractRangePrototype::end_container_getter)
{
    WebIDL::log_trace(vm, "AbstractRangePrototype::end_container_getter");
    [[maybe_unused]] auto& realm = *vm.current_realm();

    auto* idl_object = TRY(impl_from(vm));


    auto R = TRY(throw_dom_exception_if_needed(vm, [&] { return idl_object->end_container(); }));

    return JS::Value(R);
}

JS_DEFINE_NATIVE_FUNCTION(AbstractRangePrototype::end_offset_getter)
{
    WebIDL::log_trace(vm, "AbstractRangePrototype::end_offset_getter");
    [[maybe_unused]] auto& realm = *vm.current_realm();

    auto* idl_object = TRY(impl_from(vm));


    auto R = TRY(throw_dom_exception_if_needed(vm, [&] { return idl_object->end_offset(); }));

    return JS::Value(static_cast<WebIDL::UnsignedLong>(R));
}

JS_DEFINE_NATIVE_FUNCTION(AbstractRangePrototype::collapsed_getter)
{
    WebIDL::log_trace(vm, "AbstractRangePrototype::collapsed_getter");
    [[maybe_unused]] auto& realm = *vm.current_realm();

    auto* idl_object = TRY(impl_from(vm));


    auto R = TRY(throw_dom_exception_if_needed(vm, [&] { return idl_object->collapsed(); }));

    return JS::Value(R);
}

} // namespace Web::Bindings