use std::collections::HashMap;

use serde::Serialize;

use super::WasmAstNode;

#[derive(Debug, Serialize)]
pub enum AdditionalPropertyValue<'s, 'p> {
    SingleString(&'s str),
    ListOfStrings(Vec<&'s str>),
    OptionalPair {
        optval: Option<&'s str>,
        val: &'s str,
    },
    ObjectTree(Vec<(Option<Vec<WasmAstNode<'s, 'p>>>, Vec<WasmAstNode<'s, 'p>>)>),
}

#[derive(Debug, Serialize, Default)]
pub struct AdditionalProperties<'s, 'p> {
    pub(crate) properties: HashMap<String, AdditionalPropertyValue<'s, 'p>>,
}

impl<'s, 'p> AdditionalProperties<'s, 'p> {
    pub(crate) fn get_elisp_names<'c>(&'c self) -> impl Iterator<Item = String> + 'c {
        self.properties.keys().map(move |key| format!(":{}", key))
    }
}