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use serde::Deserialize;
use serde::Serialize;

use crate::lexer::token::Span;
use crate::parser::ast::attributes::AttributeGroup;
use crate::parser::ast::constant::ClassishConstant;
use crate::parser::ast::functions::Method;
use crate::parser::ast::identifiers::SimpleIdentifier;

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "snake_case", tag = "type", content = "value")]
pub enum InterfaceMember {
    Constant(ClassishConstant),
    Method(Method),
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "snake_case")]
pub struct InterfaceExtends {
    pub span: Span,
    pub parents: Vec<SimpleIdentifier>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "snake_case")]
pub struct InterfaceBody {
    pub start: Span,
    pub end: Span,
    pub members: Vec<InterfaceMember>,
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
#[serde(rename_all = "snake_case")]
pub struct Interface {
    pub span: Span,
    pub attributes: Vec<AttributeGroup>,
    pub name: SimpleIdentifier,
    pub extends: Option<InterfaceExtends>,
    pub body: InterfaceBody,
}