refactor: unify scripting commands

src/scripting/mod.rs

@@ -1,3 +1,36 @@
 pub mod client;
 pub mod logging;
 pub mod position;
+
+use mlua::Lua;
+
+#[derive(Debug)]
+#[allow(dead_code)]
+pub enum Error {
+    MissingGlobal(mlua::Error),
+    ReadFile(std::io::Error),
+    LoadChunk(mlua::Error),
+    EvalChunk(mlua::Error),
+    ExecChunk(mlua::Error),
+}
+
+pub fn reload(lua: &Lua) -> Result<(), Error> {
+    lua.load(
+        &std::fs::read_to_string(
+            lua.globals()
+                .get::<String>("config_path")
+                .map_err(Error::MissingGlobal)?,
+        )
+        .map_err(Error::ReadFile)?,
+    )
+    .exec()
+    .map_err(Error::LoadChunk)
+}
+
+pub fn eval(lua: &Lua, code: &str) -> Result<String, Error> {
+    lua.load(code).eval::<String>().map_err(Error::EvalChunk)
+}
+
+pub fn exec(lua: &Lua, code: &str) -> Result<(), Error> {
+    lua.load(code).exec().map_err(Error::ExecChunk)
+}