4 files changed, 110 insertions, 10 deletions
diff --git a/ozone-cli/Cargo.toml b/ozone-cli/Cargo.toml
index e793eaa..dbbda5d 100644
--- a/ozone-cli/Cargo.toml
+++ b/ozone-cli/Cargo.toml
@@ -4,9 +4,8 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-sysinfo = { version = "0.33.1", features = ["system", "multithread"] }
 ozone = { path = "../ozone" }
 tokio = { version = "1.43.0", features = ["rt", "rt-multi-thread", "macros"] }
 simple_logger = { version = "5.0.0", features = ["colors"] }
 log = "0.4.25"
-clap = "4.5.27"
+clap = { version = "4.5.27", features = ["derive", "cargo"] }
diff --git a/ozone-cli/src/cli.rs b/ozone-cli/src/cli.rs
new file mode 100644
index 0000000..d288e3c
--- /dev/null
+++ b/ozone-cli/src/cli.rs
@@ -0,0 +1,46 @@
+use std::path::PathBuf;
+use clap::{Args, Parser, Subcommand};
+
+#[derive(Subcommand, Debug)]
+pub enum ProfileCommand {
+    Select,
+    Create,
+    List
+}
+
+#[derive(Args, Debug)]
+pub struct ProfileArgs {
+    #[command(subcommand)]
+    subcmd: Option<ProfileCommand>
+}
+
+impl ProfileArgs {
+    pub fn take_command(&mut self) -> ProfileCommand {
+        self.subcmd.take().unwrap_or(ProfileCommand::List)
+    }
+}
+
+#[derive(Subcommand, Debug)]
+pub enum RootCommand {
+    Profile(ProfileArgs),
+    Instance,
+
+}
+
+#[derive(Parser, Debug)]
+#[clap(version)]
+pub struct Cli {
+    /// Run the launcher in offline mode. The launcher will not attempt to make any requests using
+    /// the network. The launcher _will_ verify the integrity of files required to launch the game,
+    /// and refuse to launch the game with an error if it must download a file.
+    #[arg(long, global = true)]
+    pub offline: bool,
+
+    /// Directory which the launcher will perform its work in. Defaults to an application-specific
+    /// directory based on your OS.
+    #[arg(long, global = true, value_hint = clap::ValueHint::DirPath)]
+    pub home: Option<PathBuf>,
+
+    #[command(subcommand)]
+    pub subcmd: RootCommand
+}
diff --git a/ozone-cli/src/main.rs b/ozone-cli/src/main.rs
index a17979e..b449209 100644
--- a/ozone-cli/src/main.rs
+++ b/ozone-cli/src/main.rs
@@ -1,16 +1,49 @@
+mod cli;
+
 use std::error::Error;
+use std::path::PathBuf;
+use std::process::{ExitCode, ExitStatus};
 use log::{error, info};
+use clap::{Args, Parser, Subcommand};
 use ozone::launcher::{Launcher, Settings};
 
+use crate::cli::{Cli, ProfileCommand, RootCommand};
+
+async fn main_inner(cli: Cli) -> Result<ExitCode, Box<dyn Error>> {
+    let Some(home) = cli.home.or_else(|| Launcher::sensible_home()) else {
+        error!("Could not choose a launcher home directory. Please choose one with `--home'.");
+        Ok(ExitCode::FAILURE) // we print our own error message
+    };
+
+    info!("Sensible home could be {home:?}");
+    let settings = Settings::load(home.join("ozone.json")).await?;
+    settings.save().await?;
+
+    match cli.subcmd {
+        RootCommand::Profile(mut p) => match p.take_command() {
+            ProfileCommand::List => {
+
+            }
+        }
+    }
+
+    Ok(ExitCode::SUCCESS)
+}
+
 #[tokio::main]
-async fn main() -> Result<(), Box<dyn Error>> {
+async fn main() -> ExitCode {
     simple_logger::SimpleLogger::new().env().init().unwrap();
 
-    info!("Sensible home could be {:?}", Launcher::sensible_home());
-    let settings = Settings::load("./work/ozone.json").await?;
-    settings.save().await?;
+    let arg = dbg!(Cli::parse());
 
-    let launcher = Launcher::new("./work", true).await?;
+    main_inner(arg).await.unwrap_or_else(|e| {
+        error!("Launcher initialization error:");
+        error!("{e}");
+
+        ExitCode::FAILURE
+    })
+
+    /*let launcher = Launcher::new("./work", true).await?;
 
     let profile = settings.get_profile("default").unwrap();
 
@@ -22,7 +55,5 @@ async fn main() -> Result<(), Box<dyn Error>> {
     dbg!(&launch);
     info!("ok");
 
-    ozone::launcher::run_the_game(&launch)?;
-    
-    Ok(())
+    ozone::launcher::run_the_game(&launch)?;*/
 }
diff --git a/ozone-cli/work/ozone.json b/ozone-cli/work/ozone.json
new file mode 100644
index 0000000..f1ed208
--- /dev/null
+++ b/ozone-cli/work/ozone.json
@@ -0,0 +1,24 @@
+{
+  "profiles": {
+    "default": {
+      "game_version": "latest_release",
+      "java_runtime": null,
+      "instance": "default",
+      "jvm_arguments": [
+        "-Xmx2G",
+        "-XX:+UnlockExperimentalVMOptions",
+        "-XX:+UseG1GC",
+        "-XX:G1NewSizePercent=20",
+        "-XX:G1ReservePercent=20",
+        "-XX:MaxGCPauseMillis=50",
+        "-XX:G1HeapRegionSize=32M"
+      ]
+    }
+  },
+  "instances": {
+    "default": {
+      "path": "default"
+    }
+  },
+  "client_id": "8e1cd116-9100-46cb-86b8-1a4ad54c5cbe"
+}
+\ No newline at end of file