Utsuho Lights

src/modules/utsuholights.js

@@ -0,0 +1,50 @@
+const Command = require("../lib/command.js");
+const CATEGORY = "misc";
+
+const fetch = require("node-fetch");
+const colorcolor = require("colorcolor");
+
+// taken from rot13.com
+function rot(s, i) {
+  return s.replace(/[a-zA-Z]/g, function (c) {
+    return String.fromCharCode(
+      (c <= "Z" ? 90 : 122) >= (c = c.charCodeAt(0) + i) ? c : c - 26
+    );
+  });
+}
+
+// im making it "hard" to get cause im bored :^)
+const LIGHTS_URL = "nUE0pUZ6Yl9hqJAfMJSlYaI0p3Ibol5lo2Aepl9fnJqbqN==";
+const HEX_REGEX = /^#?([0-9a-fA-F]{1,2})([0-9a-fA-F]{1,2})([0-9a-fA-F]{1,2})$/;
+
+let cachedLightsURL; // saving compute time :^)
+
+const utsuholights = new Command("utsuholights");
+utsuholights.category = CATEGORY;
+utsuholights.helpText = "Utsuho Lights";
+utsuholights.usage = "<hex> [brightness]";
+utsuholights.callback = async function (msg, line, hex, bri) {
+  if (!hex) {
+    return "Hex color required.";
+  }
+  if (!HEX_REGEX.test(hex)) {
+    return "Could not determine hex color.";
+  }
+
+  const [_, r, g, b] = colorcolor(hex, "rgb").match(/rgb\((\d+),(\d+),(\d+)\)/);
+
+  if (!cachedLightsURL) {
+    cachedLightsURL = Buffer.from(rot(LIGHTS_URL, 13), "base64").toString(); // Wow! It's That Easy!
+  }
+
+  const response = await fetch(
+    `${cachedLightsURL}?r=${r}&g=${g}&b=${b}${bri ? `&bri=${bri}` : ""}`
+  );
+
+  if (response.status == 200) {
+    return {reaction: "\uD83D\uDC4C"};
+  } else {
+    return `:warning: An error occurred: \`${await response.text()}\``;
+  }
+};
+hf.registerCommand(utsuholights);