From bd38d7f46a6b97b20ff5ef0c0c0c7ccd1e6b00d2 Mon Sep 17 00:00:00 2001
From: David Li <li.davidm96@gmail.com>
Date: Thu, 28 Jan 2016 08:54:19 -0500
Subject: feat(emote): randomly choose appropriate emote

---
 Cargo.lock  |  2 ++
 Cargo.toml  |  2 ++
 src/main.rs | 23 +++++++++++++++++++++++
 3 files changed, 27 insertions(+)

diff --git a/Cargo.lock b/Cargo.lock
index 5ba7bad..41f015c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,6 +4,8 @@ version = "0.1.0"
 dependencies = [
  "hyper 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "irc 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index 2f1150b..eef1655 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,6 +6,8 @@ authors = ["David Li <li.davidm96@gmail.com>"]
 [dependencies]
 hyper = "0.7.2"
 irc = "0.9.2"
+lazy_static = "0.1.*"
+rand = "0.3"
 serde = "*"
 serde_json = "*"
 serde_macros = "*"
diff --git a/src/main.rs b/src/main.rs
index 03f9e02..4abd4b6 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,6 +2,9 @@
 #![plugin(serde_macros)]
 extern crate hyper;
 extern crate irc;
+#[macro_use]
+extern crate lazy_static;
+extern crate rand;
 extern crate serde;
 extern crate serde_json;
 
@@ -15,6 +18,22 @@ use hyper::header::Connection;
 
 use irc::client::prelude::*;
 
+use rand::{thread_rng, sample};
+
+lazy_static! {
+    static ref EMOTE_HAPPY: Vec<&'static str> = vec![":D", ":)", "^_^"];
+
+    static ref EMOTES: HashMap<&'static str, &'static [&'static str]> = {
+        let mut m = HashMap::new();
+        m.insert("happy", &(*EMOTE_HAPPY)[..]);
+        m.insert("smile", &(*EMOTE_HAPPY)[..]);
+        m.insert(":)", &(*EMOTE_HAPPY)[..]);
+        m.insert(":D", &(*EMOTE_HAPPY)[..]);
+
+        m
+    };
+}
+
 #[derive(Debug, PartialEq, Serialize, Deserialize)]
 struct WikiPage {
     ns: u32,
@@ -66,6 +85,10 @@ fn emote_action(action: &str) -> Option<&str> {
     if action == "shrugs" {
         Some("¯\\_(ツ)_/¯")
     }
+    else if let Some(x) = EMOTES.get(action) {
+        let mut rng = thread_rng();
+        Some(sample(&mut rng, *x, 1)[0])
+    }
     else {
         None
     }
-- 
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