use crate::prelude::*;


pub fn read_items (contents: &str, map: &mut HashMap<String, Item>) -> usize {
    let Ok(json): std::result::Result<Value, _> = serde_json::from_str(&contents) else { error!("Can't read Value from contents"); return 0 };
    let Value::Array(list) = json else { error!("Value isn't Array, skipping"); return 0 };

    let start = map.len();

    for t in list.into_iter().map(Item::from_json).flatten() {
        if map.contains_key(&t.name) {
            let entry = map.get_mut(&t.name).unwrap();
            entry.weight = entry.weight.or(t.weight);
            entry.rest.extend(t.rest);
        } else {
            map.insert(t.name.clone(), t);
        }
    }

    map.len() - start
}