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use is_macro::Is;
use string_enum::StringEnum;
use swc_atoms::{Atom, JsWord};
use swc_common::{ast_node, util::take::Take, EqIgnoreSpan, Span};

use crate::{Delimiter, Ident, ListOfComponentValues, Str, TokenAndSpan};

#[ast_node("SelectorList")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct SelectorList {
    pub span: Span,
    pub children: Vec<ComplexSelector>,
}

impl Take for SelectorList {
    fn dummy() -> Self {
        Self {
            span: Take::dummy(),
            children: Take::dummy(),
        }
    }
}

#[ast_node("SelectorList")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct ForgivingSelectorList {
    pub span: Span,
    pub children: Vec<ForgivingComplexSelector>,
}

#[ast_node]
#[derive(Eq, Hash, Is, EqIgnoreSpan)]
pub enum ForgivingComplexSelector {
    #[tag("ComplexSelector")]
    ComplexSelector(ComplexSelector),
    #[tag("ListOfComponentValues")]
    ListOfComponentValues(ListOfComponentValues),
}

#[ast_node("CompoundSelectorList")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct CompoundSelectorList {
    pub span: Span,
    pub children: Vec<CompoundSelector>,
}

#[ast_node("RelativeSelectorList")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct RelativeSelectorList {
    pub span: Span,
    pub children: Vec<RelativeSelector>,
}

#[ast_node("ForgivingRelativeSelectorList")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct ForgivingRelativeSelectorList {
    pub span: Span,
    pub children: Vec<ForgivingRelativeSelector>,
}

#[ast_node]
#[derive(Eq, Hash, Is, EqIgnoreSpan)]
pub enum ForgivingRelativeSelector {
    #[tag("RelativeSelector")]
    RelativeSelector(RelativeSelector),
    #[tag("ListOfComponentValues")]
    ListOfComponentValues(ListOfComponentValues),
}

#[ast_node("ComplexSelector")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct ComplexSelector {
    pub span: Span,
    pub children: Vec<ComplexSelectorChildren>,
}

impl Take for ComplexSelector {
    fn dummy() -> Self {
        Self {
            span: Take::dummy(),
            children: Take::dummy(),
        }
    }
}

#[ast_node]
#[derive(Eq, Hash, Is, EqIgnoreSpan)]
pub enum ComplexSelectorChildren {
    #[tag("CompoundSelector")]
    CompoundSelector(CompoundSelector),
    #[tag("Combinator")]
    Combinator(Combinator),
}

#[ast_node("RelativeSelector")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct RelativeSelector {
    pub span: Span,
    pub combinator: Option<Combinator>,
    pub selector: ComplexSelector,
}

/// e.g. `foo.c1.c2`
#[ast_node("CompoundSelector")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct CompoundSelector {
    pub span: Span,
    /// "&"
    pub nesting_selector: Option<NestingSelector>,
    pub type_selector: Option<Box<TypeSelector>>,
    pub subclass_selectors: Vec<SubclassSelector>,
}

#[ast_node("Combinator")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct Combinator {
    pub span: Span,
    pub value: CombinatorValue,
}

#[derive(StringEnum, Clone, Copy, Eq, PartialEq, PartialOrd, Ord, Hash, Is, EqIgnoreSpan)]
#[cfg_attr(
    feature = "rkyv",
    derive(rkyv::Archive, rkyv::Serialize, rkyv::Deserialize)
)]
#[cfg_attr(
    feature = "rkyv",
    archive(bound(
        serialize = "__S: rkyv::ser::Serializer + rkyv::ser::ScratchSpace + \
                     rkyv::ser::SharedSerializeRegistry",
        deserialize = "__D: rkyv::de::SharedDeserializeRegistry"
    ))
)]
#[cfg_attr(feature = "rkyv", archive(check_bytes))]
#[cfg_attr(feature = "rkyv", archive_attr(repr(u32)))]
pub enum CombinatorValue {
    /// ` `
    Descendant,

    /// `+`
    NextSibling,

    /// `>`
    Child,

    /// `~`
    LaterSibling,

    /// `||`
    Column,
}

#[ast_node("NestingSelector")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct NestingSelector {
    pub span: Span,
}

#[ast_node]
#[derive(Eq, Hash, Is, EqIgnoreSpan)]
pub enum TypeSelector {
    #[tag("TagNameSelector")]
    TagName(TagNameSelector),
    #[tag("UniversalSelector")]
    Universal(UniversalSelector),
}

#[ast_node("TagNameSelector")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct TagNameSelector {
    pub span: Span,
    pub name: WqName,
}

#[ast_node("UniversalSelector")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct UniversalSelector {
    pub span: Span,
    pub prefix: Option<NamespacePrefix>,
}

#[ast_node("NamespacePrefix")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct NamespacePrefix {
    pub span: Span,
    pub namespace: Option<Namespace>,
}

#[ast_node]
#[derive(Eq, Hash, Is, EqIgnoreSpan)]
pub enum Namespace {
    #[tag("NamedNamespace")]
    Named(NamedNamespace),
    #[tag("AnyNamespace")]
    Any(AnyNamespace),
}

#[ast_node("NamedNamespace")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct NamedNamespace {
    pub span: Span,
    pub name: Ident,
}

#[ast_node("AnyNamespace")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct AnyNamespace {
    pub span: Span,
}

#[ast_node("WqName")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct WqName {
    pub span: Span,
    pub prefix: Option<NamespacePrefix>,
    pub value: Ident,
}

#[ast_node]
#[derive(Eq, Hash, Is, EqIgnoreSpan)]
pub enum SubclassSelector {
    #[tag("IdSelector")]
    Id(IdSelector),

    #[tag("ClassSelector")]
    Class(ClassSelector),

    #[tag("AttributeSelector")]
    Attribute(Box<AttributeSelector>),

    #[tag("PseudoClassSelector")]
    PseudoClass(PseudoClassSelector),

    #[tag("PseudoElementSelector")]
    PseudoElement(PseudoElementSelector),
}

#[ast_node("IdSelector")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct IdSelector {
    pub span: Span,
    /// Does not include `#`
    pub text: Ident,
}

#[ast_node("ClassSelector")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct ClassSelector {
    pub span: Span,
    /// Does not include `.`
    pub text: Ident,
}

#[ast_node("AttributeSelector")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct AttributeSelector {
    pub span: Span,
    pub name: WqName,
    pub matcher: Option<AttributeSelectorMatcher>,
    pub value: Option<AttributeSelectorValue>,
    pub modifier: Option<AttributeSelectorModifier>,
}

#[derive(StringEnum, Clone, Copy, Eq, PartialEq, PartialOrd, Ord, Hash, Is, EqIgnoreSpan)]
#[cfg_attr(
    feature = "rkyv",
    derive(rkyv::Archive, rkyv::Serialize, rkyv::Deserialize)
)]
#[cfg_attr(feature = "rkyv", archive(check_bytes))]
#[cfg_attr(feature = "rkyv", archive_attr(repr(u32)))]
#[cfg_attr(
    feature = "rkyv",
    archive(bound(
        serialize = "__S: rkyv::ser::Serializer + rkyv::ser::ScratchSpace + \
                     rkyv::ser::SharedSerializeRegistry",
        deserialize = "__D: rkyv::de::SharedDeserializeRegistry"
    ))
)]
pub enum AttributeSelectorMatcherValue {
    /// `=`
    Equals,

    /// `~=`
    Tilde,

    /// `|=`
    Bar,

    /// `^=`
    Caret,

    /// `$=`
    Dollar,

    /// `*=`
    Asterisk,
}

#[ast_node("AttributeSelectorMatcher")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct AttributeSelectorMatcher {
    pub span: Span,
    pub value: AttributeSelectorMatcherValue,
}

#[ast_node]
#[derive(Eq, Hash, Is, EqIgnoreSpan)]
pub enum AttributeSelectorValue {
    #[tag("String")]
    Str(Str),

    #[tag("Ident")]
    Ident(Ident),
}

#[ast_node("AttributeSelectorModifier")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct AttributeSelectorModifier {
    pub span: Span,
    pub value: Ident,
}

#[ast_node("PseudoClassSelector")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct PseudoClassSelector {
    pub span: Span,
    pub name: Ident,
    pub children: Option<Vec<PseudoClassSelectorChildren>>,
}

#[ast_node]
#[derive(Eq, Hash, Is, EqIgnoreSpan)]
pub enum PseudoClassSelectorChildren {
    #[tag("TokenAndSpan")]
    PreservedToken(TokenAndSpan),

    #[tag("AnPlusB")]
    AnPlusB(AnPlusB),

    #[tag("Ident")]
    Ident(Ident),

    #[tag("Str")]
    Str(Str),

    #[tag("Delimiter")]
    Delimiter(Delimiter),

    #[tag("ComplexSelector")]
    ComplexSelector(ComplexSelector),

    #[tag("SelectorList")]
    SelectorList(SelectorList),

    #[tag("ForgivingSelectorList")]
    ForgivingSelectorList(ForgivingSelectorList),

    #[tag("CompoundSelectorList")]
    CompoundSelectorList(CompoundSelectorList),

    #[tag("RelativeSelectorList")]
    RelativeSelectorList(RelativeSelectorList),

    #[tag("ForgivingRelativeSelectorList")]
    ForgivingRelativeSelectorList(ForgivingRelativeSelectorList),

    #[tag("CompoundSelector")]
    CompoundSelector(CompoundSelector),
}

#[ast_node]
#[derive(Eq, Hash, Is, EqIgnoreSpan)]
pub enum AnPlusB {
    #[tag("Ident")]
    Ident(Ident),
    #[tag("AnPlusBNotation")]
    AnPlusBNotation(AnPlusBNotation),
}

#[ast_node("AnPlusBNotation")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct AnPlusBNotation {
    pub span: Span,
    pub a: Option<i32>,
    pub a_raw: Option<Atom>,
    pub b: Option<i32>,
    pub b_raw: Option<Atom>,
}

#[ast_node("PseudoElementSelector")]
#[derive(Eq, Hash, EqIgnoreSpan)]
pub struct PseudoElementSelector {
    pub span: Span,
    pub name: Ident,
    pub children: Option<Vec<PseudoElementSelectorChildren>>,
}

#[ast_node]
#[derive(Eq, Hash, Is, EqIgnoreSpan)]
pub enum PseudoElementSelectorChildren {
    #[tag("TokenAndSpan")]
    PreservedToken(TokenAndSpan),
    #[tag("Ident")]
    Ident(Ident),
    #[tag("CompoundSelector")]
    CompoundSelector(CompoundSelector),
    #[tag("CustomHighlightName")]
    CustomHighlightName(CustomHighlightName),
}

#[ast_node("CustomHighlightName")]
#[derive(Eq, Hash)]
pub struct CustomHighlightName {
    pub span: Span,

    pub value: JsWord,
    pub raw: Option<Atom>,
}

impl EqIgnoreSpan for CustomHighlightName {
    fn eq_ignore_span(&self, other: &Self) -> bool {
        self.value == other.value
    }
}