irelia 0.11.1

A Rust wrapper around the native LoL APIs
Documentation 
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use crate::ws::types::EventKind;
use std::collections::HashMap;
use std::fmt::Debug;
use std::ops::Index;

#[derive(Default, Debug)]
pub struct EventMap<V> {
    json_api_event: V,
    lcds_event: V,
    log: V,
    region_locale_changed: V,
    service_proxy_async_event: V,
    service_proxy_method_event: V,
    service_proxy_uuid_event: V,
    json_api_event_callback: HashMap<String, V>,
    lcds_event_callback: HashMap<String, V>,
}

impl<V: Default> EventMap<V> {
    pub fn new() -> Self {
        Self {
            json_api_event: V::default(),
            lcds_event: V::default(),
            log: V::default(),
            region_locale_changed: V::default(),
            service_proxy_async_event: V::default(),
            service_proxy_method_event: V::default(),
            service_proxy_uuid_event: V::default(),
            json_api_event_callback: HashMap::new(),
            lcds_event_callback: HashMap::new(),
        }
    }

    #[must_use]
    pub fn get_mut(&mut self, event_kind: &EventKind) -> &mut V {
        match event_kind {
            EventKind::JsonApiEvent { callback: None } => &mut self.json_api_event,
            EventKind::JsonApiEvent {
                callback: Some(callback),
            } => {
                let key = callback.replace('/', "_");
                let key = normalize_key(&key);

                // The goal here is to avoid panicking, this type is only used inside irelia, so this type of stuff is okay
                if !self.json_api_event_callback.contains_key(key) {
                    self.json_api_event_callback
                        .insert(key.to_string(), V::default());
                }

                self.json_api_event_callback.get_mut(key).unwrap()
            }
            EventKind::LcdsEvent { callback: None } => &mut self.lcds_event,
            EventKind::LcdsEvent {
                callback: Some(callback),
            } => {
                let key = callback.replace('/', "_");
                let key = normalize_key(&key);

                // The goal here is to avoid panicking, this type is only used inside irelia, so this type of stuff is okay
                if !self.lcds_event_callback.contains_key(key) {
                    self.lcds_event_callback
                        .insert(key.to_string(), V::default());
                }

                self.lcds_event_callback.get_mut(key).unwrap()
            }
            EventKind::Log => &mut self.log,
            EventKind::RegionLocaleChanged => &mut self.region_locale_changed,
            EventKind::ServiceProxyAsyncEvent => &mut self.service_proxy_async_event,
            EventKind::ServiceProxyMethodEvent => &mut self.service_proxy_method_event,
            EventKind::ServiceProxyUuidEvent => &mut self.service_proxy_uuid_event,
        }
    }
}

impl<V> Index<&EventKind> for EventMap<V> {
    type Output = V;

    fn index(&self, index: &EventKind) -> &Self::Output {
        match index {
            EventKind::JsonApiEvent { callback: None } => &self.json_api_event,
            EventKind::JsonApiEvent {
                callback: Some(callback),
            } => {
                let key = callback.replace('/', "_");
                let key = normalize_key(&key);

                &self.json_api_event_callback[key]
            }
            EventKind::LcdsEvent { callback: None } => &self.lcds_event,
            EventKind::LcdsEvent {
                callback: Some(callback),
            } => {
                let key = callback.replace('/', "_");
                let key = normalize_key(&key);

                &self.lcds_event_callback[key]
            }
            EventKind::Log => &self.log,
            EventKind::RegionLocaleChanged => &self.region_locale_changed,
            EventKind::ServiceProxyAsyncEvent => &self.service_proxy_async_event,
            EventKind::ServiceProxyMethodEvent => &self.service_proxy_method_event,
            EventKind::ServiceProxyUuidEvent => &self.service_proxy_uuid_event,
        }
    }
}

fn normalize_key(key: &str) -> &str {
    // If it starts with an underscore, it needs to be removed, this can be done easily with a range index
    if let Some(stripped) = key.strip_prefix('_') {
        stripped
    } else {
        key
    }
}