Finish refactoring

src/cli.rs

@@ -1,5 +1,50 @@
 #[derive(clap::Parser)]
 pub struct Args {
+    /// The Discord bot token to run the bot with.
     #[arg(env = "PAYPHONE_TOKEN")]
     pub token: String,
+
+    #[arg(
+        long,
+        short,
+        value_enum,
+        default_value_t = LevelFilter::Info,
+        env = "PAYPHONE_LOGGING",
+        value_name = "LEVEL",
+        long_help = "The minimum level logs have to be to be outputted into the console, or off for no logs."
+    )]
+    pub logging: LevelFilter,
+
+    #[arg(
+        long,
+        short,
+        env = "PAYPHONE_DATABASE_URL",
+        value_name = "URL",
+        default_value_t = String::from("127.0.0.1:9042"))
+    ]
+    pub database_url: String,
+}
+
+#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, clap::ValueEnum)]
+pub enum LevelFilter {
+    Off,
+    Trace,
+    Debug,
+    Info,
+    Warn,
+    Error,
+}
+
+#[allow(clippy::from_over_into)]
+impl Into<log::LevelFilter> for LevelFilter {
+    fn into(self) -> log::LevelFilter {
+        match self {
+            Self::Off => log::LevelFilter::Off,
+            Self::Trace => log::LevelFilter::Trace,
+            Self::Debug => log::LevelFilter::Debug,
+            Self::Info => log::LevelFilter::Info,
+            Self::Warn => log::LevelFilter::Warn,
+            Self::Error => log::LevelFilter::Error,
+        }
+    }
 }