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mod cli;
use std::error::Error;
use std::process::ExitCode;
use log::{error, info, trace, LevelFilter};
use clap::Parser;
use ozone::launcher::{Instance, JavaRuntimeSetting, Launcher, Settings};
use ozone::launcher::version::{VersionList, VersionResult};
use uuid::Uuid;
use crate::cli::{Cli, InstanceCommand, 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'.");
return Ok(ExitCode::FAILURE); // we print our own error message
};
trace!("Sensible home could be {home:?}");
let mut settings = Settings::load(home.join("ozone.json")).await?;
match &cli.subcmd {
RootCommand::Instance(p) => match p.command() {
InstanceCommand::List => {
let mut first = true;
if settings.instances.is_empty() {
eprintln!("There are no instances. Create one with `profile create <name>'.");
return Ok(ExitCode::SUCCESS);
}
for (cur_id, instance) in settings.instances.iter() {
if !first {
println!();
}
first = false;
let cur_id = *cur_id;
let sel = if settings.selected_instance.is_some_and(|id| id == cur_id) { " (selected)" } else { "" };
println!("Instance `{}'{sel}:", instance.name);
println!(" UUID: {}", cur_id);
println!(" Version: {}", instance.game_version);
println!(" Location: {}", home.join(Settings::get_instance_path(cur_id)).display());
}
},
InstanceCommand::Create(args) => {
if args.name.is_empty() {
eprintln!("The instance must not have an empty name.");
return Ok(ExitCode::FAILURE);
}
let mut inst = if args.clone {
if let Some(selected_inst) = settings.selected_instance.and_then(|i| settings.instances.get(&i)) {
let mut inst = selected_inst.clone();
inst.name.replace_range(.., &args.name);
inst
} else {
eprintln!("You do not have an instance selected.");
return Ok(ExitCode::FAILURE);
}
} else {
Instance::new(&args.name)
};
if let Some(ref ver_name) = args.settings.version {
// FIXME: don't hardcode "versions" path
let versions = VersionList::new(home.join("versions"), !cli.offline).await?;
if matches!(versions.get_version_lazy(ver_name), VersionResult::None) {
eprintln!("The version `{}' could not be found.", ver_name);
return Ok(ExitCode::FAILURE);
}
}
args.settings.apply_to(&mut inst);
let new_id = Uuid::new_v4();
settings.instances.insert(new_id, inst);
if !args.no_select {
settings.selected_instance = Some(new_id);
}
settings.save().await?;
},
InstanceCommand::Select(args) => {
if let Ok(uuid) = args.instance.parse::<Uuid>() {
if !settings.instances.contains_key(&uuid) {
eprintln!("No instances were found by that UUID.");
return Ok(ExitCode::FAILURE);
}
settings.selected_instance = Some(uuid);
settings.save().await?;
return Ok(ExitCode::SUCCESS);
}
let search_norm = args.instance.to_lowercase();
let found: Vec<_> = settings.instances.iter()
.filter(|(_, inst)| {
// FIXME: find a better way of doing this matching
inst.name.to_lowercase().starts_with(&search_norm)
}).collect();
if found.is_empty() {
eprintln!("No instances were found.");
return Ok(ExitCode::FAILURE);
}
if found.len() > 1 {
eprintln!("Ambiguous argument. Found {} instances:", found.len());
for (id, inst) in found {
eprintln!("- {} ({id})", inst.name);
}
return Ok(ExitCode::FAILURE);
}
let (found_id, found_inst) = found.first().unwrap();
println!("Selected instance {} ({found_id}).", found_inst.name);
settings.selected_instance = Some(**found_id);
settings.save().await?;
},
InstanceCommand::Set(args) => {
let Some(inst) = settings.selected_instance.and_then(|i| settings.instances.get_mut(&i)) else {
eprintln!("No instance selected.");
return Ok(ExitCode::FAILURE);
};
args.apply_to(inst);
settings.save().await?;
},
InstanceCommand::Delete => {
let Some(inst) = settings.selected_instance else {
eprintln!("No instance selected.");
return Ok(ExitCode::FAILURE);
};
settings.instances.remove(&inst);
settings.selected_instance = None;
settings.save().await?;
},
InstanceCommand::Info => {
let Some(inst) = settings.selected_instance.and_then(|i| settings.instances.get(&i)) else {
eprintln!("No instance selected.");
return Ok(ExitCode::FAILURE);
};
println!("Information for selected profile `{}' ({}):", inst.name, settings.selected_instance.unwrap());
println!(" Version: {}", inst.game_version);
match &inst.java_runtime {
Some(JavaRuntimeSetting::Component(c)) => println!(" Java runtime component: {c}"),
Some(JavaRuntimeSetting::Path(p)) => println!(" Java runtime path: {}", p.display()),
_ => ()
}
if let Some(res) = inst.resolution {
println!(" Game resolution: {}x{}", res.width, res.height);
}
}
},
RootCommand::Launch => {
let Some(selection) = settings.selected_instance else {
eprintln!("No instance selected.");
return Ok(ExitCode::FAILURE);
};
let inst = settings.instances.get(&selection).expect("settings inconsistency");
settings.save().await?;
let launcher = Launcher::new(&home, !cli.offline).await?;
let launch = launcher.prepare_launch(inst, Settings::get_instance_path(selection), settings.client_id).await.map_err(|e| {
error!("error launching: {e}");
e
})?;
dbg!(&launch);
info!("ok");
ozone::launcher::run_the_game(&launch)?;
}
_ => todo!()
}
Ok(ExitCode::SUCCESS)
}
#[tokio::main]
async fn main() -> ExitCode {
// use Warn as the default level to minimize noise on the command line
simple_logger::SimpleLogger::new().with_level(LevelFilter::Warn).env().init().unwrap();
let arg = Cli::parse();
main_inner(arg).await.unwrap_or_else(|e| {
error!("Launcher initialization error:");
error!("{e}");
ExitCode::FAILURE
})
/*let launcher = Launcher::new("./work", true).await?;
*/
}
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