// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/core/css/css_navigation_rule.h"

#include "third_party/blink/renderer/core/css/conditional_exp_node.h"
#include "third_party/blink/renderer/core/css/css_style_sheet.h"
#include "third_party/blink/renderer/core/css/navigation_query.h"
#include "third_party/blink/renderer/core/css/style_rule.h"

namespace blink {

CSSNavigationRule::CSSNavigationRule(StyleRuleNavigation* navigation_rule,
                                     CSSStyleSheet* parent)
    : CSSConditionRule(navigation_rule, parent),
      navigation_rule_(navigation_rule) {}

CSSNavigationRule::~CSSNavigationRule() = default;

String CSSNavigationRule::cssText() const {
  StringBuilder result;
  result.Append("@navigation ");
  navigation_rule_->GetNavigationQuery().GetRootExp()->SerializeTo(result);
  AppendCSSTextForItems(result);
  return result.ToString();
}

void CSSNavigationRule::Reattach(StyleRuleBase* rule) {
  DCHECK(rule);
  navigation_rule_ = To<StyleRuleNavigation>(rule);
  CSSConditionRule::Reattach(rule);
}

void CSSNavigationRule::Trace(Visitor* visitor) const {
  visitor->Trace(navigation_rule_);
  CSSConditionRule::Trace(visitor);
}

bool CSSNavigationRule::Evaluate(Document* document) {
  return navigation_rule_->GetNavigationQuery().Evaluate(document);
}

String CSSNavigationRule::conditionText() const {
  return ConditionTextInternal();
}

String CSSNavigationRule::ConditionTextInternal() const {
  return navigation_rule_->GetNavigationQuery().GetRootExp()->Serialize();
}

void CSSNavigationRule::SetConditionText(ExecutionContext* execution_context,
                                         const String& text) {
  StyleSheetContents* parent_contents =
      parentStyleSheet() ? parentStyleSheet()->Contents() : nullptr;
  CSSStyleSheet::RuleMutationScope mutation_scope(this);
  navigation_rule_->SetConditionText(execution_context, parent_contents, text);
}
}  // namespace blink