/*
 * Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include <WebCore/CSSProperty.h>
#include <WebCore/CSSPropertyNames.h>
#include <WebCore/CSSStyleDeclaration.h>
#include <wtf/HashMap.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/WeakPtr.h>

namespace WebCore {

struct CSSParserContext;
enum class StyleRuleType : uint8_t;

class PropertySetCSSDescriptors : public CSSStyleDeclaration, public RefCounted<PropertySetCSSDescriptors> {
    WTF_MAKE_TZONE_OR_ISO_ALLOCATED(PropertySetCSSDescriptors);
public:
    void ref() const final { RefCounted::ref(); }
    void deref() const final { RefCounted::deref(); }

    virtual ~PropertySetCSSDescriptors();

    void clearParentRule() { m_parentRule = nullptr; }
    void reattach(MutableStyleProperties&);

    virtual StyleRuleType ruleType() const = 0;

protected:
    PropertySetCSSDescriptors(MutableStyleProperties&, CSSRule&);

    CSSStyleSheet* parentStyleSheet() const final;
    CSSRule* parentRule() const final;
    // FIXME: To implement.
    CSSRule* cssRules() const override { return nullptr; }
    unsigned length() const final;
    String item(unsigned index) const final;
    RefPtr<DeprecatedCSSOMValue> getPropertyCSSValue(const String& propertyName) final;
    String getPropertyValue(const String& propertyName) final;
    String getPropertyPriority(const String& propertyName) final;
    String getPropertyShorthand(const String& propertyName) final;
    bool isPropertyImplicit(const String& propertyName) final;
    ExceptionOr<void> setProperty(const String& propertyName, const String& value, const String& priority) final;
    ExceptionOr<String> removeProperty(const String& propertyName) final;
    String cssText() const final;
    ExceptionOr<void> setCssText(const String&) final;

    bool isExposed(CSSPropertyID) const;
    RefPtr<DeprecatedCSSOMValue> wrapForDeprecatedCSSOM(CSSValue*);

    enum class MutationType : uint8_t { NoChanges, StyleAttributeChanged, PropertyChanged };
    bool willMutate() WARN_UNUSED_RETURN;
    void didMutate(MutationType);

    // CSSPropertyID versions of the CSSOM functions to support bindings.
    String getPropertyValueInternal(CSSPropertyID) const;
    virtual ExceptionOr<void> setPropertyInternal(CSSPropertyID, const String& value, IsImportant);

    CSSParserContext cssParserContext() const;
    Ref<MutableStyleProperties> protectedPropertySet() const;

    WeakPtr<CSSRule> m_parentRule;
    HashMap<CSSValue*, WeakPtr<DeprecatedCSSOMValue>> m_cssomValueWrappers;

    // FIXME: Replaced this with a more descriptor specific property map that doesn't have all the complexity of the Style one.
    Ref<MutableStyleProperties> m_propertySet;
};

} // namespace WebCore
