#include <AK/String.h>
#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/Value.h>
#include <LibJS/Runtime/ValueInlines.h>
#include <LibWeb/Bindings/CSSFontFeatureValuesRule.h>
#include <LibWeb/Bindings/CSSRule.h>
#include <LibWeb/Bindings/ExceptionOrUtils.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/CSS/CSSFontFeatureValuesMap.h>
#include <LibWeb/CSS/CSSFontFeatureValuesRule.h>
#include <LibWeb/WebIDL/AbstractOperations.h>
#include <LibWeb/WebIDL/Tracing.h>

namespace Web::Bindings {

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

    object.set_prototype(&ensure_web_constructor<CSSRulePrototype>(realm, "CSSRule"_fly_string));
    object.define_direct_property(vm.names.length, JS::Value(0), JS::Attribute::Configurable);
    object.define_direct_property(vm.names.name, JS::PrimitiveString::create(vm, "CSSFontFeatureValuesRule"_utf16), JS::Attribute::Configurable);
    object.define_direct_property(vm.names.prototype, &ensure_web_prototype<CSSFontFeatureValuesRulePrototype>(realm, "CSSFontFeatureValuesRule"_fly_string), 0);
}

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

void CSSFontFeatureValuesRulePrototype::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(GC::Ref { ensure_web_prototype<CSSRulePrototype>(realm, "CSSRule"_fly_string) });

    auto font_family_id = "fontFamily"_utf16_fly_string;
    auto native_font_family_getter = JS::NativeFunction::create(realm, font_family_getter, 0, font_family_id, &realm, "get"sv);
    auto native_font_family_setter = JS::NativeFunction::create(realm, font_family_setter, 1, font_family_id, &realm, "set"sv);

    // 4. Let configurable be false if attr is unforgeable and true otherwise.
    auto font_family_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(font_family_id, native_font_family_getter, native_font_family_setter, font_family_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 annotation_id = "annotation"_utf16_fly_string;
    auto native_annotation_getter = JS::NativeFunction::create(realm, annotation_getter, 0, annotation_id, &realm, "get"sv);
    GC::Ptr<JS::NativeFunction> native_annotation_setter;

    // 4. Let configurable be false if attr is unforgeable and true otherwise.
    auto annotation_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(annotation_id, native_annotation_getter, native_annotation_setter, annotation_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 ornaments_id = "ornaments"_utf16_fly_string;
    auto native_ornaments_getter = JS::NativeFunction::create(realm, ornaments_getter, 0, ornaments_id, &realm, "get"sv);
    GC::Ptr<JS::NativeFunction> native_ornaments_setter;

    // 4. Let configurable be false if attr is unforgeable and true otherwise.
    auto ornaments_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(ornaments_id, native_ornaments_getter, native_ornaments_setter, ornaments_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 stylistic_id = "stylistic"_utf16_fly_string;
    auto native_stylistic_getter = JS::NativeFunction::create(realm, stylistic_getter, 0, stylistic_id, &realm, "get"sv);
    GC::Ptr<JS::NativeFunction> native_stylistic_setter;

    // 4. Let configurable be false if attr is unforgeable and true otherwise.
    auto stylistic_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(stylistic_id, native_stylistic_getter, native_stylistic_setter, stylistic_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 swash_id = "swash"_utf16_fly_string;
    auto native_swash_getter = JS::NativeFunction::create(realm, swash_getter, 0, swash_id, &realm, "get"sv);
    GC::Ptr<JS::NativeFunction> native_swash_setter;

    // 4. Let configurable be false if attr is unforgeable and true otherwise.
    auto swash_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(swash_id, native_swash_getter, native_swash_setter, swash_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 character_variant_id = "characterVariant"_utf16_fly_string;
    auto native_character_variant_getter = JS::NativeFunction::create(realm, character_variant_getter, 0, character_variant_id, &realm, "get"sv);
    GC::Ptr<JS::NativeFunction> native_character_variant_setter;

    // 4. Let configurable be false if attr is unforgeable and true otherwise.
    auto character_variant_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(character_variant_id, native_character_variant_getter, native_character_variant_setter, character_variant_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 styleset_id = "styleset"_utf16_fly_string;
    auto native_styleset_getter = JS::NativeFunction::create(realm, styleset_getter, 0, styleset_id, &realm, "get"sv);
    GC::Ptr<JS::NativeFunction> native_styleset_setter;

    // 4. Let configurable be false if attr is unforgeable and true otherwise.
    auto styleset_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(styleset_id, native_styleset_getter, native_styleset_setter, styleset_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 historical_forms_id = "historicalForms"_utf16_fly_string;
    auto native_historical_forms_getter = JS::NativeFunction::create(realm, historical_forms_getter, 0, historical_forms_id, &realm, "get"sv);
    GC::Ptr<JS::NativeFunction> native_historical_forms_setter;

    // 4. Let configurable be false if attr is unforgeable and true otherwise.
    auto historical_forms_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(historical_forms_id, native_historical_forms_getter, native_historical_forms_setter, historical_forms_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, "CSSFontFeatureValuesRule"_utf16), JS::Attribute::Configurable);
}

void CSSFontFeatureValuesRulePrototype::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<CSS::CSSFontFeatureValuesRule*> impl_from(JS::VM& vm, JS::Value js_value)
{

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

[[maybe_unused]] static JS::ThrowCompletionOr<CSS::CSSFontFeatureValuesRule*> 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(CSSFontFeatureValuesRulePrototype::font_family_getter)
{
    WebIDL::log_trace(vm, "CSSFontFeatureValuesRulePrototype::font_family_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->font_family(); }));

    return WebIDL::primitive_string_from_string(vm, R);
}

JS_DEFINE_NATIVE_FUNCTION(CSSFontFeatureValuesRulePrototype::annotation_getter)
{
    WebIDL::log_trace(vm, "CSSFontFeatureValuesRulePrototype::annotation_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->annotation(); }));

    return JS::Value(R);
}

JS_DEFINE_NATIVE_FUNCTION(CSSFontFeatureValuesRulePrototype::ornaments_getter)
{
    WebIDL::log_trace(vm, "CSSFontFeatureValuesRulePrototype::ornaments_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->ornaments(); }));

    return JS::Value(R);
}

JS_DEFINE_NATIVE_FUNCTION(CSSFontFeatureValuesRulePrototype::stylistic_getter)
{
    WebIDL::log_trace(vm, "CSSFontFeatureValuesRulePrototype::stylistic_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->stylistic(); }));

    return JS::Value(R);
}

JS_DEFINE_NATIVE_FUNCTION(CSSFontFeatureValuesRulePrototype::swash_getter)
{
    WebIDL::log_trace(vm, "CSSFontFeatureValuesRulePrototype::swash_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->swash(); }));

    return JS::Value(R);
}

JS_DEFINE_NATIVE_FUNCTION(CSSFontFeatureValuesRulePrototype::character_variant_getter)
{
    WebIDL::log_trace(vm, "CSSFontFeatureValuesRulePrototype::character_variant_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->character_variant(); }));

    return JS::Value(R);
}

JS_DEFINE_NATIVE_FUNCTION(CSSFontFeatureValuesRulePrototype::styleset_getter)
{
    WebIDL::log_trace(vm, "CSSFontFeatureValuesRulePrototype::styleset_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->styleset(); }));

    return JS::Value(R);
}

JS_DEFINE_NATIVE_FUNCTION(CSSFontFeatureValuesRulePrototype::historical_forms_getter)
{
    WebIDL::log_trace(vm, "CSSFontFeatureValuesRulePrototype::historical_forms_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->historical_forms(); }));

    return JS::Value(R);
}

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

    // 1. Let V be undefined.
    auto V = JS::js_undefined();

    // 2. If any arguments were passed, then set V to the value of the first argument passed.
    if (vm.argument_count() > 0)
        V = vm.argument(0);

    // 3. Let id be attribute’s identifier.

    // 4. Let idlObject be null.
    [[maybe_unused]] CSS::CSSFontFeatureValuesRule* idl_object = nullptr;

    // 5. If attribute is a regular attribute:

    // 1. Let jsValue be the this value, if it is not null or undefined, or realm’s global object otherwise. (This will subsequently cause a TypeError in a few steps, if the global object does not implement target and [LegacyLenientThis] is not specified.)
    auto js_value = vm.this_value();
    if (js_value.is_nullish())
        js_value = &realm.global_object();

    // 2. FIXME: If jsValue is a platform object, then perform a security check, passing jsValue, attribute’s identifier, and "setter".

    // 3. Let validThis be true if jsValue implements target, or false otherwise.
    auto maybe_idl_object = impl_from(vm, js_value);

    // 4. If validThis is false and attribute was not specified with the [LegacyLenientThis] extended attribute, then throw a TypeError.
    idl_object = TRY(maybe_idl_object);

    auto original_steps = [&]() -> JS::ThrowCompletionOr<JS::Value> {
        // 6. Let idlValue be determined as follows:
        // -> Otherwise, idlValue is the result of converting V to an IDL value of attribute’s type.
        auto idl_value = TRY(throw_dom_exception_if_needed(vm, [&] { return [&]() -> JS::ThrowCompletionOr<String> {
        return TRY(WebIDL::to_string(vm, V));
    }(); }));

        // 7. Run the setter steps of attribute with idlObject as this and idlValue as the value.
        auto setter_result = [&]() -> JS::ThrowCompletionOr<void> {
            TRY(throw_dom_exception_if_needed(vm, [&] { return idl_object->set_font_family(idl_value); }));
    return {};
        }();

        if (setter_result.is_error())
            return setter_result.release_error();

        return JS::js_undefined();
    };

    // 8. Return undefined.
    return TRY(original_steps());
}

} // namespace Web::Bindings