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use schemars::JsonSchema;
use serde::Deserialize;
use serde::Serialize;

use crate::lexer::token::Span;
use crate::parser::ast::attributes::AttributeGroup;
use crate::parser::ast::comments::CommentGroup;
use crate::parser::ast::identifiers::SimpleIdentifier;
use crate::parser::ast::modifiers::ConstantModifierGroup;
use crate::parser::ast::Expression;

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize, JsonSchema)]
#[serde(rename_all = "snake_case")]
pub struct ConstantEntry {
    pub name: SimpleIdentifier, // `FOO`
    pub equals: Span,           // `=`
    pub value: Expression,      // `123`
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize, JsonSchema)]
#[serde(rename_all = "snake_case")]
pub struct ConstantStatement {
    pub comments: CommentGroup,
    pub r#const: Span,               // `const`
    pub entries: Vec<ConstantEntry>, // `FOO = 123`
    pub semicolon: Span,             // `;`
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize, JsonSchema)]
#[serde(rename_all = "snake_case")]
pub struct ClassishConstant {
    pub comments: CommentGroup,
    pub attributes: Vec<AttributeGroup>,  // `#[Foo]`
    pub modifiers: ConstantModifierGroup, // `public`
    pub r#const: Span,                    // `const`
    #[serde(flatten)]
    pub entries: Vec<ConstantEntry>, // `FOO = 123`
    pub semicolon: Span,                  // `;`
}