package css

// Code generated by cdproto-gen. DO NOT EDIT.

import (
	"fmt"
	"strings"

	"github.com/chromedp/cdproto/cdp"
	"github.com/chromedp/cdproto/dom"
)

// StyleSheetOrigin stylesheet type: "injected" for stylesheets injected via
// extension, "user-agent" for user-agent stylesheets, "inspector" for
// stylesheets created by the inspector (i.e. those holding the "via inspector"
// rules), "regular" for regular stylesheets.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-StyleSheetOrigin
type StyleSheetOrigin string

// String returns the StyleSheetOrigin as string value.
func (t StyleSheetOrigin) String() string {
	return string(t)
}

// StyleSheetOrigin values.
const (
	StyleSheetOriginInjected  StyleSheetOrigin = "injected"
	StyleSheetOriginUserAgent StyleSheetOrigin = "user-agent"
	StyleSheetOriginInspector StyleSheetOrigin = "inspector"
	StyleSheetOriginRegular   StyleSheetOrigin = "regular"
)

// UnmarshalJSON satisfies [json.Unmarshaler].
func (t *StyleSheetOrigin) UnmarshalJSON(buf []byte) error {
	s := string(buf)
	s = strings.TrimSuffix(strings.TrimPrefix(s, `"`), `"`)

	switch StyleSheetOrigin(s) {
	case StyleSheetOriginInjected:
		*t = StyleSheetOriginInjected
	case StyleSheetOriginUserAgent:
		*t = StyleSheetOriginUserAgent
	case StyleSheetOriginInspector:
		*t = StyleSheetOriginInspector
	case StyleSheetOriginRegular:
		*t = StyleSheetOriginRegular
	default:
		return fmt.Errorf("unknown StyleSheetOrigin value: %v", s)
	}
	return nil
}

// PseudoElementMatches CSS rule collection for a single pseudo style.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-PseudoElementMatches
type PseudoElementMatches struct {
	PseudoType       cdp.PseudoType `json:"pseudoType"`                          // Pseudo element type.
	PseudoIdentifier string         `json:"pseudoIdentifier,omitempty,omitzero"` // Pseudo element custom ident.
	Matches          []*RuleMatch   `json:"matches"`                             // Matches of CSS rules applicable to the pseudo style.
}

// AnimationStyle CSS style coming from animations with the name of the
// animation.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSAnimationStyle
type AnimationStyle struct {
	Name  string `json:"name,omitempty,omitzero"` // The name of the animation.
	Style *Style `json:"style"`                   // The style coming from the animation.
}

// InheritedStyleEntry inherited CSS rule collection from ancestor node.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-InheritedStyleEntry
type InheritedStyleEntry struct {
	InlineStyle     *Style       `json:"inlineStyle,omitempty,omitzero"` // The ancestor node's inline style, if any, in the style inheritance chain.
	MatchedCSSRules []*RuleMatch `json:"matchedCSSRules"`                // Matches of CSS rules matching the ancestor node in the style inheritance chain.
}

// InheritedAnimatedStyleEntry inherited CSS style collection for animated
// styles from ancestor node.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-InheritedAnimatedStyleEntry
type InheritedAnimatedStyleEntry struct {
	AnimationStyles  []*AnimationStyle `json:"animationStyles,omitempty,omitzero"`  // Styles coming from the animations of the ancestor, if any, in the style inheritance chain.
	TransitionsStyle *Style            `json:"transitionsStyle,omitempty,omitzero"` // The style coming from the transitions of the ancestor, if any, in the style inheritance chain.
}

// InheritedPseudoElementMatches inherited pseudo element matches from
// pseudos of an ancestor node.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-InheritedPseudoElementMatches
type InheritedPseudoElementMatches struct {
	PseudoElements []*PseudoElementMatches `json:"pseudoElements"` // Matches of pseudo styles from the pseudos of an ancestor node.
}

// RuleMatch match data for a CSS rule.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-RuleMatch
type RuleMatch struct {
	Rule              *Rule   `json:"rule"`              // CSS rule in the match.
	MatchingSelectors []int64 `json:"matchingSelectors"` // Matching selector indices in the rule's selectorList selectors (0-based).
}

// Value data for a simple selector (these are delimited by commas in a
// selector list).
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-Value
type Value struct {
	Text        string       `json:"text"`                           // Value text.
	Range       *SourceRange `json:"range,omitempty,omitzero"`       // Value range in the underlying resource (if available).
	Specificity *Specificity `json:"specificity,omitempty,omitzero"` // Specificity of the selector.
}

// SpecificityComponent contribution of an individual simple selector to
// specificity.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-SpecificityComponent
type SpecificityComponent struct {
	Text string `json:"text"` // The simple selector text that contributes to specificity.
	A    int64  `json:"a"`    // The a component contribution.
	B    int64  `json:"b"`    // The b component contribution.
	C    int64  `json:"c"`    // The c component contribution.
}

// Specificity specificity:
// https://drafts.csswg.org/selectors/#specificity-rules.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-Specificity
type Specificity struct {
	A          int64                   `json:"a"`                             // The a component, which represents the number of ID selectors.
	B          int64                   `json:"b"`                             // The b component, which represents the number of class selectors, attributes selectors, and pseudo-classes.
	C          int64                   `json:"c"`                             // The c component, which represents the number of type selectors and pseudo-elements.
	Components []*SpecificityComponent `json:"components,omitempty,omitzero"` // Per-simple-selector contributions used to explain this specificity.
}

// SelectorList selector list data.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-SelectorList
type SelectorList struct {
	Selectors []*Value `json:"selectors"` // Selectors in the list.
	Text      string   `json:"text"`      // Rule selector text.
}

// StyleSheetHeader CSS stylesheet metainformation.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSStyleSheetHeader
type StyleSheetHeader struct {
	StyleSheetID  cdp.StyleSheetID  `json:"styleSheetId"`                    // The stylesheet identifier.
	FrameID       cdp.FrameID       `json:"frameId"`                         // Owner frame identifier.
	SourceURL     string            `json:"sourceURL"`                       // Stylesheet resource URL. Empty if this is a constructed stylesheet created using new CSSStyleSheet() (but non-empty if this is a constructed stylesheet imported as a CSS module script).
	SourceMapURL  string            `json:"sourceMapURL,omitempty,omitzero"` // URL of source map associated with the stylesheet (if any).
	Origin        StyleSheetOrigin  `json:"origin"`                          // Stylesheet origin.
	Title         string            `json:"title"`                           // Stylesheet title.
	OwnerNode     cdp.BackendNodeID `json:"ownerNode,omitempty,omitzero"`    // The backend id for the owner node of the stylesheet.
	Disabled      bool              `json:"disabled"`                        // Denotes whether the stylesheet is disabled.
	HasSourceURL  bool              `json:"hasSourceURL"`                    // Whether the sourceURL field value comes from the sourceURL comment.
	IsInline      bool              `json:"isInline"`                        // Whether this stylesheet is created for STYLE tag by parser. This flag is not set for document.written STYLE tags.
	IsMutable     bool              `json:"isMutable"`                       // Whether this stylesheet is mutable. Inline stylesheets become mutable after they have been modified via CSSOM API. <link> element's stylesheets become mutable only if DevTools modifies them. Constructed stylesheets (new CSSStyleSheet()) are mutable immediately after creation.
	IsConstructed bool              `json:"isConstructed"`                   // True if this stylesheet is created through new CSSStyleSheet() or imported as a CSS module script.
	StartLine     float64           `json:"startLine"`                       // Line offset of the stylesheet within the resource (zero based).
	StartColumn   float64           `json:"startColumn"`                     // Column offset of the stylesheet within the resource (zero based).
	Length        float64           `json:"length"`                          // Size of the content (in characters).
	EndLine       float64           `json:"endLine"`                         // Line offset of the end of the stylesheet within the resource (zero based).
	EndColumn     float64           `json:"endColumn"`                       // Column offset of the end of the stylesheet within the resource (zero based).
	LoadingFailed bool              `json:"loadingFailed"`                   // If the style sheet was loaded from a network resource, this indicates when the resource failed to load
}

// Rule CSS rule representation.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSRule
type Rule struct {
	StyleSheetID          cdp.StyleSheetID  `json:"styleSheetId,omitempty,omitzero"`          // The css style sheet identifier (absent for user agent stylesheet and user-specified stylesheet rules) this rule came from.
	SelectorList          *SelectorList     `json:"selectorList"`                             // Rule selector data.
	NestingSelectors      []string          `json:"nestingSelectors,omitempty,omitzero"`      // Array of selectors from ancestor style rules, sorted by distance from the current rule.
	Origin                StyleSheetOrigin  `json:"origin"`                                   // Parent stylesheet's origin.
	Style                 *Style            `json:"style"`                                    // Associated style declaration.
	OriginTreeScopeNodeID cdp.BackendNodeID `json:"originTreeScopeNodeId,omitempty,omitzero"` // The BackendNodeId of the DOM node that constitutes the origin tree scope of this rule.
	Media                 []*Media          `json:"media,omitempty,omitzero"`                 // Media list array (for rules involving media queries). The array enumerates media queries starting with the innermost one, going outwards.
	ContainerQueries      []*ContainerQuery `json:"containerQueries,omitempty,omitzero"`      // Container query list array (for rules involving container queries). The array enumerates container queries starting with the innermost one, going outwards.
	Supports              []*Supports       `json:"supports,omitempty,omitzero"`              // @supports CSS at-rule array. The array enumerates @supports at-rules starting with the innermost one, going outwards.
	Layers                []*Layer          `json:"layers,omitempty,omitzero"`                // Cascade layer array. Contains the layer hierarchy that this rule belongs to starting with the innermost layer and going outwards.
	Scopes                []*Scope          `json:"scopes,omitempty,omitzero"`                // @scope CSS at-rule array. The array enumerates @scope at-rules starting with the innermost one, going outwards.
	RuleTypes             []RuleType        `json:"ruleTypes,omitempty,omitzero"`             // The array keeps the types of ancestor CSSRules from the innermost going outwards.
	StartingStyles        []*StartingStyle  `json:"startingStyles,omitempty,omitzero"`        // @starting-style CSS at-rule array. The array enumerates @starting-style at-rules starting with the innermost one, going outwards.
	Navigations           []*Navigation     `json:"navigations,omitempty,omitzero"`           // @navigation CSS at-rule array. The array enumerates @navigation at-rules starting with the innermost one, going outwards.
}

// RuleType enum indicating the type of a CSS rule, used to represent the
// order of a style rule's ancestors. This list only contains rule types that
// are collected during the ancestor rule collection.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSRuleType
type RuleType string

// String returns the RuleType as string value.
func (t RuleType) String() string {
	return string(t)
}

// RuleType values.
const (
	RuleTypeMediaRule         RuleType = "MediaRule"
	RuleTypeSupportsRule      RuleType = "SupportsRule"
	RuleTypeContainerRule     RuleType = "ContainerRule"
	RuleTypeLayerRule         RuleType = "LayerRule"
	RuleTypeScopeRule         RuleType = "ScopeRule"
	RuleTypeStyleRule         RuleType = "StyleRule"
	RuleTypeStartingStyleRule RuleType = "StartingStyleRule"
	RuleTypeNavigationRule    RuleType = "NavigationRule"
)

// UnmarshalJSON satisfies [json.Unmarshaler].
func (t *RuleType) UnmarshalJSON(buf []byte) error {
	s := string(buf)
	s = strings.TrimSuffix(strings.TrimPrefix(s, `"`), `"`)

	switch RuleType(s) {
	case RuleTypeMediaRule:
		*t = RuleTypeMediaRule
	case RuleTypeSupportsRule:
		*t = RuleTypeSupportsRule
	case RuleTypeContainerRule:
		*t = RuleTypeContainerRule
	case RuleTypeLayerRule:
		*t = RuleTypeLayerRule
	case RuleTypeScopeRule:
		*t = RuleTypeScopeRule
	case RuleTypeStyleRule:
		*t = RuleTypeStyleRule
	case RuleTypeStartingStyleRule:
		*t = RuleTypeStartingStyleRule
	case RuleTypeNavigationRule:
		*t = RuleTypeNavigationRule
	default:
		return fmt.Errorf("unknown RuleType value: %v", s)
	}
	return nil
}

// RuleUsage CSS coverage information.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-RuleUsage
type RuleUsage struct {
	StyleSheetID cdp.StyleSheetID `json:"styleSheetId"` // The css style sheet identifier (absent for user agent stylesheet and user-specified stylesheet rules) this rule came from.
	StartOffset  float64          `json:"startOffset"`  // Offset of the start of the rule (including selector) from the beginning of the stylesheet.
	EndOffset    float64          `json:"endOffset"`    // Offset of the end of the rule body from the beginning of the stylesheet.
	Used         bool             `json:"used"`         // Indicates whether the rule was actually used by some element in the page.
}

// SourceRange text range within a resource. All numbers are zero-based.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-SourceRange
type SourceRange struct {
	StartLine   int64 `json:"startLine"`   // Start line of range.
	StartColumn int64 `json:"startColumn"` // Start column of range (inclusive).
	EndLine     int64 `json:"endLine"`     // End line of range
	EndColumn   int64 `json:"endColumn"`   // End column of range (exclusive).
}

// ShorthandEntry [no description].
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-ShorthandEntry
type ShorthandEntry struct {
	Name      string `json:"name"`      // Shorthand name.
	Value     string `json:"value"`     // Shorthand value.
	Important bool   `json:"important"` // Whether the property has "!important" annotation (implies false if absent).
}

// ComputedStyleProperty [no description].
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSComputedStyleProperty
type ComputedStyleProperty struct {
	Name  string `json:"name"`  // Computed style property name.
	Value string `json:"value"` // Computed style property value.
}

// ComputedStyleExtraFields [no description].
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-ComputedStyleExtraFields
type ComputedStyleExtraFields struct {
	IsAppearanceBase bool `json:"isAppearanceBase"` // Returns whether or not this node is being rendered with base appearance, which happens when it has its appearance property set to base/base-select or it is in the subtree of an element being rendered with base appearance.
}

// Style CSS style representation.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSStyle
type Style struct {
	StyleSheetID     cdp.StyleSheetID  `json:"styleSheetId,omitempty,omitzero"` // The css style sheet identifier (absent for user agent stylesheet and user-specified stylesheet rules) this rule came from.
	CSSProperties    []*Property       `json:"cssProperties"`                   // CSS properties in the style.
	ShorthandEntries []*ShorthandEntry `json:"shorthandEntries"`                // Computed values for all shorthands found in the style.
	CSSText          string            `json:"cssText,omitempty,omitzero"`      // Style declaration text (if available).
	Range            *SourceRange      `json:"range,omitempty,omitzero"`        // Style declaration range in the enclosing stylesheet (if available).
}

// Property CSS property declaration data.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSProperty
type Property struct {
	Name               string       `json:"name"`                                  // The property name.
	Value              string       `json:"value"`                                 // The property value.
	Important          bool         `json:"important"`                             // Whether the property has "!important" annotation (implies false if absent).
	Implicit           bool         `json:"implicit"`                              // Whether the property is implicit (implies false if absent).
	Text               string       `json:"text,omitempty,omitzero"`               // The full property text as specified in the style.
	ParsedOk           bool         `json:"parsedOk"`                              // Whether the property is understood by the browser (implies true if absent).
	Disabled           bool         `json:"disabled"`                              // Whether the property is disabled by the user (present for source-based properties only).
	Range              *SourceRange `json:"range,omitempty,omitzero"`              // The entire property range in the enclosing style declaration (if available).
	LonghandProperties []*Property  `json:"longhandProperties,omitempty,omitzero"` // Parsed longhand components of this property if it is a shorthand. This field will be empty if the given property is not a shorthand.
}

// Media CSS media rule descriptor.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSMedia
type Media struct {
	Text         string           `json:"text"`                            // Media query text.
	Source       MediaSource      `json:"source"`                          // Source of the media query: "mediaRule" if specified by a @media rule, "importRule" if specified by an @import rule, "linkedSheet" if specified by a "media" attribute in a linked stylesheet's LINK tag, "inlineSheet" if specified by a "media" attribute in an inline stylesheet's STYLE tag.
	SourceURL    string           `json:"sourceURL,omitempty,omitzero"`    // URL of the document containing the media query description.
	Range        *SourceRange     `json:"range,omitempty,omitzero"`        // The associated rule (@media or @import) header range in the enclosing stylesheet (if available).
	StyleSheetID cdp.StyleSheetID `json:"styleSheetId,omitempty,omitzero"` // Identifier of the stylesheet containing this object (if exists).
	MediaList    []*MediaQuery    `json:"mediaList,omitempty,omitzero"`    // Array of media queries.
}

// MediaQuery media query descriptor.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-MediaQuery
type MediaQuery struct {
	Expressions []*MediaQueryExpression `json:"expressions"` // Array of media query expressions.
	Active      bool                    `json:"active"`      // Whether the media query condition is satisfied.
}

// MediaQueryExpression media query expression descriptor.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-MediaQueryExpression
type MediaQueryExpression struct {
	Value          float64      `json:"value"`                             // Media query expression value.
	Unit           string       `json:"unit"`                              // Media query expression units.
	Feature        string       `json:"feature"`                           // Media query expression feature.
	ValueRange     *SourceRange `json:"valueRange,omitempty,omitzero"`     // The associated range of the value text in the enclosing stylesheet (if available).
	ComputedLength float64      `json:"computedLength,omitempty,omitzero"` // Computed length of media query expression (if applicable).
}

// ContainerQuery CSS container query rule descriptor.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSContainerQuery
type ContainerQuery struct {
	Range              *SourceRange     `json:"range,omitempty,omitzero"`        // The associated rule header range in the enclosing stylesheet (if available).
	StyleSheetID       cdp.StyleSheetID `json:"styleSheetId,omitempty,omitzero"` // Identifier of the stylesheet containing this object (if exists).
	Name               string           `json:"name,omitempty,omitzero"`         // Optional name for the container.
	PhysicalAxes       dom.PhysicalAxes `json:"physicalAxes,omitempty,omitzero"` // Optional physical axes queried for the container.
	LogicalAxes        dom.LogicalAxes  `json:"logicalAxes,omitempty,omitzero"`  // Optional logical axes queried for the container.
	QueriesScrollState bool             `json:"queriesScrollState"`              // true if the query contains scroll-state() queries.
	QueriesAnchored    bool             `json:"queriesAnchored"`                 // true if the query contains anchored() queries.
	ConditionText      string           `json:"conditionText"`                   // CSSContainerRule.conditionText
}

// Supports CSS Supports at-rule descriptor.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSSupports
type Supports struct {
	Text         string           `json:"text"`                            // Supports rule text.
	Active       bool             `json:"active"`                          // Whether the supports condition is satisfied.
	Range        *SourceRange     `json:"range,omitempty,omitzero"`        // The associated rule header range in the enclosing stylesheet (if available).
	StyleSheetID cdp.StyleSheetID `json:"styleSheetId,omitempty,omitzero"` // Identifier of the stylesheet containing this object (if exists).
}

// Navigation CSS Navigation at-rule descriptor.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSNavigation
type Navigation struct {
	Text         string           `json:"text"`                            // Navigation rule text.
	Active       bool             `json:"active"`                          // Whether the navigation condition is satisfied.
	Range        *SourceRange     `json:"range,omitempty,omitzero"`        // The associated rule header range in the enclosing stylesheet (if available).
	StyleSheetID cdp.StyleSheetID `json:"styleSheetId,omitempty,omitzero"` // Identifier of the stylesheet containing this object (if exists).
}

// Scope CSS Scope at-rule descriptor.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSScope
type Scope struct {
	Text         string           `json:"text"`                            // Scope rule text.
	Range        *SourceRange     `json:"range,omitempty,omitzero"`        // The associated rule header range in the enclosing stylesheet (if available).
	StyleSheetID cdp.StyleSheetID `json:"styleSheetId,omitempty,omitzero"` // Identifier of the stylesheet containing this object (if exists).
}

// Layer CSS Layer at-rule descriptor.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSLayer
type Layer struct {
	Text         string           `json:"text"`                            // Layer name.
	Range        *SourceRange     `json:"range,omitempty,omitzero"`        // The associated rule header range in the enclosing stylesheet (if available).
	StyleSheetID cdp.StyleSheetID `json:"styleSheetId,omitempty,omitzero"` // Identifier of the stylesheet containing this object (if exists).
}

// StartingStyle CSS Starting Style at-rule descriptor.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSStartingStyle
type StartingStyle struct {
	Range        *SourceRange     `json:"range,omitempty,omitzero"`        // The associated rule header range in the enclosing stylesheet (if available).
	StyleSheetID cdp.StyleSheetID `json:"styleSheetId,omitempty,omitzero"` // Identifier of the stylesheet containing this object (if exists).
}

// LayerData CSS Layer data.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSLayerData
type LayerData struct {
	Name      string       `json:"name"`                         // Layer name.
	SubLayers []*LayerData `json:"subLayers,omitempty,omitzero"` // Direct sub-layers
	Order     float64      `json:"order"`                        // Layer order. The order determines the order of the layer in the cascade order. A higher number has higher priority in the cascade order.
}

// PlatformFontUsage information about amount of glyphs that were rendered
// with given font.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-PlatformFontUsage
type PlatformFontUsage struct {
	FamilyName     string  `json:"familyName"`     // Font's family name reported by platform.
	PostScriptName string  `json:"postScriptName"` // Font's PostScript name reported by platform.
	IsCustomFont   bool    `json:"isCustomFont"`   // Indicates if the font was downloaded or resolved locally.
	GlyphCount     float64 `json:"glyphCount"`     // Amount of glyphs that were rendered with this font.
}

// FontVariationAxis information about font variation axes for variable
// fonts.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-FontVariationAxis
type FontVariationAxis struct {
	Tag          string  `json:"tag"`          // The font-variation-setting tag (a.k.a. "axis tag").
	Name         string  `json:"name"`         // Human-readable variation name in the default language (normally, "en").
	MinValue     float64 `json:"minValue"`     // The minimum value (inclusive) the font supports for this tag.
	MaxValue     float64 `json:"maxValue"`     // The maximum value (inclusive) the font supports for this tag.
	DefaultValue float64 `json:"defaultValue"` // The default value.
}

// FontFace properties of a web font:
// https://www.w3.org/TR/2008/REC-CSS2-20080411/fonts.html#font-descriptions and
// additional information such as platformFontFamily and fontVariationAxes.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-FontFace
type FontFace struct {
	FontFamily         string               `json:"fontFamily"`                           // The font-family.
	FontStyle          string               `json:"fontStyle"`                            // The font-style.
	FontVariant        string               `json:"fontVariant"`                          // The font-variant.
	FontWeight         string               `json:"fontWeight"`                           // The font-weight.
	FontStretch        string               `json:"fontStretch"`                          // The font-stretch.
	FontDisplay        string               `json:"fontDisplay"`                          // The font-display.
	UnicodeRange       string               `json:"unicodeRange"`                         // The unicode-range.
	Src                string               `json:"src"`                                  // The src.
	PlatformFontFamily string               `json:"platformFontFamily"`                   // The resolved platform font family
	FontVariationAxes  []*FontVariationAxis `json:"fontVariationAxes,omitempty,omitzero"` // Available variation settings (a.k.a. "axes").
}

// TryRule CSS try rule representation.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSTryRule
type TryRule struct {
	StyleSheetID cdp.StyleSheetID `json:"styleSheetId,omitempty,omitzero"` // The css style sheet identifier (absent for user agent stylesheet and user-specified stylesheet rules) this rule came from.
	Origin       StyleSheetOrigin `json:"origin"`                          // Parent stylesheet's origin.
	Style        *Style           `json:"style"`                           // Associated style declaration.
}

// PositionTryRule CSS @position-try rule representation.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSPositionTryRule
type PositionTryRule struct {
	Name         *Value           `json:"name"`                            // The prelude dashed-ident name
	StyleSheetID cdp.StyleSheetID `json:"styleSheetId,omitempty,omitzero"` // The css style sheet identifier (absent for user agent stylesheet and user-specified stylesheet rules) this rule came from.
	Origin       StyleSheetOrigin `json:"origin"`                          // Parent stylesheet's origin.
	Style        *Style           `json:"style"`                           // Associated style declaration.
	Active       bool             `json:"active"`
}

// KeyframesRule CSS keyframes rule representation.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSKeyframesRule
type KeyframesRule struct {
	AnimationName *Value          `json:"animationName"` // Animation name.
	Keyframes     []*KeyframeRule `json:"keyframes"`     // List of keyframes.
}

// PropertyRegistration representation of a custom property registration
// through CSS.registerProperty.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSPropertyRegistration
type PropertyRegistration struct {
	PropertyName string `json:"propertyName"`
	InitialValue *Value `json:"initialValue,omitempty,omitzero"`
	Inherits     bool   `json:"inherits"`
	Syntax       string `json:"syntax"`
}

// AtRule CSS generic @rule representation.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSAtRule
type AtRule struct {
	Type         AtRuleType       `json:"type"`                            // Type of at-rule.
	Subsection   AtRuleSubsection `json:"subsection,omitempty,omitzero"`   // Subsection of font-feature-values, if this is a subsection.
	Name         *Value           `json:"name,omitempty,omitzero"`         // LINT.ThenChange(//third_party/blink/renderer/core/inspector/inspector_style_sheet.cc:FontVariantAlternatesFeatureType,//third_party/blink/renderer/core/inspector/inspector_css_agent.cc:FontVariantAlternatesFeatureType) Associated name, if applicable.
	StyleSheetID cdp.StyleSheetID `json:"styleSheetId,omitempty,omitzero"` // The css style sheet identifier (absent for user agent stylesheet and user-specified stylesheet rules) this rule came from.
	Origin       StyleSheetOrigin `json:"origin"`                          // Parent stylesheet's origin.
	Style        *Style           `json:"style"`                           // Associated style declaration.
}

// PropertyRule CSS property at-rule representation.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSPropertyRule
type PropertyRule struct {
	StyleSheetID cdp.StyleSheetID `json:"styleSheetId,omitempty,omitzero"` // The css style sheet identifier (absent for user agent stylesheet and user-specified stylesheet rules) this rule came from.
	Origin       StyleSheetOrigin `json:"origin"`                          // Parent stylesheet's origin.
	PropertyName *Value           `json:"propertyName"`                    // Associated property name.
	Style        *Style           `json:"style"`                           // Associated style declaration.
}

// FunctionParameter CSS function argument representation.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSFunctionParameter
type FunctionParameter struct {
	Name string `json:"name"` // The parameter name.
	Type string `json:"type"` // The parameter type.
}

// FunctionConditionNode CSS function conditional block representation.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSFunctionConditionNode
type FunctionConditionNode struct {
	Media            *Media          `json:"media,omitempty,omitzero"`            // Media query for this conditional block. Only one type of condition should be set.
	ContainerQueries *ContainerQuery `json:"containerQueries,omitempty,omitzero"` // Container query for this conditional block. Only one type of condition should be set.
	Supports         *Supports       `json:"supports,omitempty,omitzero"`         // @supports CSS at-rule condition. Only one type of condition should be set.
	Navigation       *Navigation     `json:"navigation,omitempty,omitzero"`       // @navigation condition. Only one type of condition should be set.
	Children         []*FunctionNode `json:"children"`                            // Block body.
	ConditionText    string          `json:"conditionText"`                       // The condition text.
}

// FunctionNode section of the body of a CSS function rule.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSFunctionNode
type FunctionNode struct {
	Condition *FunctionConditionNode `json:"condition,omitempty,omitzero"` // A conditional block. If set, style should not be set.
	Style     *Style                 `json:"style,omitempty,omitzero"`     // Values set by this node. If set, condition should not be set.
}

// FunctionRule CSS function at-rule representation.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSFunctionRule
type FunctionRule struct {
	Name                  *Value               `json:"name"`                                     // Name of the function.
	StyleSheetID          cdp.StyleSheetID     `json:"styleSheetId,omitempty,omitzero"`          // The css style sheet identifier (absent for user agent stylesheet and user-specified stylesheet rules) this rule came from.
	Origin                StyleSheetOrigin     `json:"origin"`                                   // Parent stylesheet's origin.
	Parameters            []*FunctionParameter `json:"parameters"`                               // List of parameters.
	Children              []*FunctionNode      `json:"children"`                                 // Function body.
	OriginTreeScopeNodeID cdp.BackendNodeID    `json:"originTreeScopeNodeId,omitempty,omitzero"` // The BackendNodeId of the DOM node that constitutes the origin tree scope of this rule.
}

// KeyframeRule CSS keyframe rule representation.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSKeyframeRule
type KeyframeRule struct {
	StyleSheetID cdp.StyleSheetID `json:"styleSheetId,omitempty,omitzero"` // The css style sheet identifier (absent for user agent stylesheet and user-specified stylesheet rules) this rule came from.
	Origin       StyleSheetOrigin `json:"origin"`                          // Parent stylesheet's origin.
	KeyText      *Value           `json:"keyText"`                         // Associated key text.
	Style        *Style           `json:"style"`                           // Associated style declaration.
}

// StyleDeclarationEdit a descriptor of operation to mutate style declaration
// text.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-StyleDeclarationEdit
type StyleDeclarationEdit struct {
	StyleSheetID cdp.StyleSheetID `json:"styleSheetId"` // The css style sheet identifier.
	Range        *SourceRange     `json:"range"`        // The range of the style text in the enclosing stylesheet.
	Text         string           `json:"text"`         // New style text.
}

// MediaSource source of the media query: "mediaRule" if specified by a
// @media rule, "importRule" if specified by an @import rule, "linkedSheet" if
// specified by a "media" attribute in a linked stylesheet's LINK tag,
// "inlineSheet" if specified by a "media" attribute in an inline stylesheet's
// STYLE tag.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSMedia
type MediaSource string

// String returns the MediaSource as string value.
func (t MediaSource) String() string {
	return string(t)
}

// MediaSource values.
const (
	MediaSourceMediaRule   MediaSource = "mediaRule"
	MediaSourceImportRule  MediaSource = "importRule"
	MediaSourceLinkedSheet MediaSource = "linkedSheet"
	MediaSourceInlineSheet MediaSource = "inlineSheet"
)

// UnmarshalJSON satisfies [json.Unmarshaler].
func (t *MediaSource) UnmarshalJSON(buf []byte) error {
	s := string(buf)
	s = strings.TrimSuffix(strings.TrimPrefix(s, `"`), `"`)

	switch MediaSource(s) {
	case MediaSourceMediaRule:
		*t = MediaSourceMediaRule
	case MediaSourceImportRule:
		*t = MediaSourceImportRule
	case MediaSourceLinkedSheet:
		*t = MediaSourceLinkedSheet
	case MediaSourceInlineSheet:
		*t = MediaSourceInlineSheet
	default:
		return fmt.Errorf("unknown MediaSource value: %v", s)
	}
	return nil
}

// AtRuleType type of at-rule.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSAtRule
type AtRuleType string

// String returns the AtRuleType as string value.
func (t AtRuleType) String() string {
	return string(t)
}

// AtRuleType values.
const (
	AtRuleTypeFontFace          AtRuleType = "font-face"
	AtRuleTypeFontFeatureValues AtRuleType = "font-feature-values"
	AtRuleTypeFontPaletteValues AtRuleType = "font-palette-values"
	AtRuleTypeCounterStyle      AtRuleType = "counter-style"
)

// UnmarshalJSON satisfies [json.Unmarshaler].
func (t *AtRuleType) UnmarshalJSON(buf []byte) error {
	s := string(buf)
	s = strings.TrimSuffix(strings.TrimPrefix(s, `"`), `"`)

	switch AtRuleType(s) {
	case AtRuleTypeFontFace:
		*t = AtRuleTypeFontFace
	case AtRuleTypeFontFeatureValues:
		*t = AtRuleTypeFontFeatureValues
	case AtRuleTypeFontPaletteValues:
		*t = AtRuleTypeFontPaletteValues
	case AtRuleTypeCounterStyle:
		*t = AtRuleTypeCounterStyle
	default:
		return fmt.Errorf("unknown AtRuleType value: %v", s)
	}
	return nil
}

// AtRuleSubsection subsection of font-feature-values, if this is a
// subsection.
//
// See: https://chromedevtools.github.io/devtools-protocol/tot/CSS#type-CSSAtRule
type AtRuleSubsection string

// String returns the AtRuleSubsection as string value.
func (t AtRuleSubsection) String() string {
	return string(t)
}

// AtRuleSubsection values.
const (
	AtRuleSubsectionSwash            AtRuleSubsection = "swash"
	AtRuleSubsectionAnnotation       AtRuleSubsection = "annotation"
	AtRuleSubsectionOrnaments        AtRuleSubsection = "ornaments"
	AtRuleSubsectionStylistic        AtRuleSubsection = "stylistic"
	AtRuleSubsectionStyleset         AtRuleSubsection = "styleset"
	AtRuleSubsectionCharacterVariant AtRuleSubsection = "character-variant"
)

// UnmarshalJSON satisfies [json.Unmarshaler].
func (t *AtRuleSubsection) UnmarshalJSON(buf []byte) error {
	s := string(buf)
	s = strings.TrimSuffix(strings.TrimPrefix(s, `"`), `"`)

	switch AtRuleSubsection(s) {
	case AtRuleSubsectionSwash:
		*t = AtRuleSubsectionSwash
	case AtRuleSubsectionAnnotation:
		*t = AtRuleSubsectionAnnotation
	case AtRuleSubsectionOrnaments:
		*t = AtRuleSubsectionOrnaments
	case AtRuleSubsectionStylistic:
		*t = AtRuleSubsectionStylistic
	case AtRuleSubsectionStyleset:
		*t = AtRuleSubsectionStyleset
	case AtRuleSubsectionCharacterVariant:
		*t = AtRuleSubsectionCharacterVariant
	default:
		return fmt.Errorf("unknown AtRuleSubsection value: %v", s)
	}
	return nil
}
