#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/Value.h>
#include <LibJS/Runtime/ValueInlines.h>
#include <LibWeb/Bindings/CanvasPattern.h>
#include <LibWeb/Bindings/DOMMatrixReadOnly.h>
#include <LibWeb/Bindings/ExceptionOrUtils.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/HTML/CanvasPattern.h>
#include <LibWeb/WebIDL/Tracing.h>

namespace Web::Bindings {

void CanvasPatternConstructor::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, "CanvasPattern"_utf16), JS::Attribute::Configurable);
    object.define_direct_property(vm.names.prototype, &ensure_web_prototype<CanvasPatternPrototype>(realm, "CanvasPattern"_fly_string), 0);
}

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

void CanvasPatternPrototype::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());
    object.define_native_function(realm, "setTransform"_utf16_fly_string, set_transform, 0, default_attributes);

    object.define_direct_property(vm.well_known_symbol_to_string_tag(), JS::PrimitiveString::create(vm, "CanvasPattern"_utf16), JS::Attribute::Configurable);
}

void CanvasPatternPrototype::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<HTML::CanvasPattern*> impl_from(JS::VM& vm, JS::Value js_value)
{

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

[[maybe_unused]] static JS::ThrowCompletionOr<HTML::CanvasPattern*> 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(CanvasPatternPrototype::set_transform)
{
    WebIDL::log_trace(vm, "CanvasPatternPrototype::set_transform");
    [[maybe_unused]] auto& realm = *vm.current_realm();
    [[maybe_unused]] HTML::CanvasPattern* idl_object = TRY(impl_from(vm));

    auto arg0 = vm.argument(0);
    DOMMatrix2DInit transform = DOMMatrix2DInit {};
    if (!arg0.is_undefined())
        transform = TRY(throw_dom_exception_if_needed(vm, [&] { return convert_to_idl_value_for_dom_matrix2d_init(vm, arg0); }));

    [[maybe_unused]] auto R = TRY(throw_dom_exception_if_needed(vm, [&] { return idl_object->set_transform(transform); }));
    return JS::js_undefined();
}

} // namespace Web::Bindings