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use js_sys::Object;
use wasm_bindgen::prelude::*;
use crate::constants::ResourceType;
//TODO: wiarchbe: Need types for general purpose store and specific store.
// (Specific store can return undefined for missing types.)
#[wasm_bindgen]
extern "C" {
/// An object that represents the cargo within an entity in the game world.
///
/// [Screeps documentation](https://docs.screeps.com/api/#Store)
#[wasm_bindgen(extends = Object)]
pub type Store;
#[wasm_bindgen(method, structural, indexing_getter)]
pub fn get(this: &Store, ty: ResourceType) -> Option<u32>;
/// Get the capacity of the [`Store`] for the specified resource. If the
/// [`Store`] can contain any resource, passing `None` as the type will get
/// the general store capacity.
///
/// [Screeps documentation](https://docs.screeps.com/api/#Store.getCapacity)
#[wasm_bindgen(method, js_name = getCapacity)]
fn get_capacity_internal(this: &Store, ty: Option<ResourceType>) -> Option<u32>;
/// Return the free capacity of the [`Store`] for the specified resource.
///
/// [Screeps documentation](https://docs.screeps.com/api/#Store.getFreeCapacity)
#[wasm_bindgen(method, js_name = getFreeCapacity)]
fn get_free_capacity_internal(this: &Store, ty: Option<ResourceType>) -> Option<i32>;
/// Return the used capacity of the [`Store`] for the specified resource. If
/// the [`Store`] can contain any resource, passing `None` as the type will
/// get the total used capacity.
///
/// [Screeps documentation](https://docs.screeps.com/api/#Store.getUsedCapacity)
#[wasm_bindgen(method, js_name = getUsedCapacity)]
fn get_used_capacity_internal(this: &Store, ty: Option<ResourceType>) -> Option<u32>;
}
impl Store {
pub fn store_types(&self) -> Vec<ResourceType> {
Object::keys(self)
.iter()
.filter_map(|v| ResourceType::from_js_value(&v))
.collect()
}
pub fn get_capacity(&self, ty: Option<ResourceType>) -> u32 {
self.get_capacity_internal(ty).unwrap_or(0)
}
pub fn get_free_capacity(&self, ty: Option<ResourceType>) -> i32 {
self.get_free_capacity_internal(ty).unwrap_or(0)
}
pub fn get_used_capacity(&self, ty: Option<ResourceType>) -> u32 {
self.get_used_capacity_internal(ty).unwrap_or(0)
}
}