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use specs::{Component, DenseVecStorage};
use crate::{Template};
use super::equipment::Equippable;
#[derive(Component, Debug, Clone)]
pub struct Item {
pub ent: Template,
pub name: String,
pub action: ItemAction
}
use serde_json::{json, Value};
#[derive(Debug, Clone, PartialEq)]
pub enum ItemAction {
Eat(i64),
Build(Template),
Equip(Equippable),
None
}
use ItemAction::{Eat, Build, Equip, None};
impl ItemAction {
pub fn to_json(&self) -> Value {
match self {
Eat(health) => json!(["eat", health]),
Build(template) => json!(["build", template.to_json()]),
Equip(equippable) => json!(["equip", equippable.to_json()]),
None => json!(["none", null])
}
}
pub fn from_json(val: &Value) -> Option<Self> {
let typ = val.get(0)?;
let arg = val.get(1)?;
Some(match typ.as_str()? {
"eat" => Eat(arg.as_i64()?),
"build" => Build(Template::from_json(arg).ok()?),
"none" => None,
"equip" => Equip(Equippable::from_json(arg)?),
_ => {return Option::None}
})
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::hashmap;
use super::super::equipment::*;
#[test]
fn equip_from_json() {
assert_eq!(
ItemAction::from_json(&json!(["equip", {"slot": "hand", "stats": {"strength": 10}}])),
Some(ItemAction::Equip(Equippable {slot: Slot::Hand, stats: hashmap!(Stat::Strength => 10)}))
);
assert_eq!(
ItemAction::from_json(&json!(["equip", {"slot": "hand", "stats": {"attack": 50}}])),
Option::None
);
}
}
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