use std::{
fs::{create_dir_all, File},
io::Write,
path::Path,
};
use serde::{Deserialize, Serialize};
use crate::{
data::{
gameversion::{check_game_versions, VersionLevel},
modloader::Modloader,
},
db::setup,
errors::{Error, MLE},
};
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Cfg {
pub data: String,
pub cache: String,
pub versions: String,
pub defaults: Defaults,
pub apis: Apis,
}
impl Default for Cfg {
fn default() -> Self {
let cache_dir = dirs::cache_dir()
.unwrap()
.join("modlist")
.to_string_lossy()
.to_string();
Self {
data: cache_dir.clone(),
cache: format!("{cache_dir}/cache"),
versions: cache_dir,
defaults: Defaults {
modloader: Modloader::Fabric,
version: VersionLevel::Release,
},
apis: Apis {
modrinth: String::from("https://api.modrinth.com/v2/"),
},
}
}
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Apis {
pub modrinth: String,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Defaults {
pub modloader: Modloader,
pub version: VersionLevel,
}
impl Cfg {
/// # Errors
pub async fn init(path: Option<String>) -> MLE<Self> {
let configfile = if let Some(cf) = path.clone() {
cf
} else {
let Some(config_dir) = dirs::config_dir() else {
return Err(Error::SysDirNotFound("config".to_string()));
};
config_dir
.join("modlist")
.join("config.toml")
.to_string_lossy()
.to_string()
};
if let Some(err) = File::open(&configfile).err() {
if err.kind() == std::io::ErrorKind::NotFound && path.is_none() {
create_config(&configfile)?;
} else {
return Err(err.into());
};
};
let config: Cfg = config::Config::builder()
.add_source(config::File::with_name(&configfile).required(false))
.add_source(
config::Environment::with_prefix("MODLIST").separator("_"),
)
.build()?
.try_deserialize()?;
//Check cache
if !Path::new(&config.cache).exists() {
create_cache(&config.cache)?;
};
//Check database
let datafile = format!("{}/data.db", config.data);
match File::open(&datafile) {
Ok(..) => (),
Err(..) => create_database(&datafile)?,
};
//Check versions
let versionfile = format!("{}/versions.json", config.versions);
if File::open(&versionfile).is_err() {
create_versions_dummy(&versionfile)?;
check_game_versions(&versionfile, true).await?;
}
Ok(config)
}
}
fn create_config(path: &str) -> MLE<()> {
create_dir_all(path.split("config.toml").collect::<Vec<&str>>()[0])?;
let mut file = File::create(path)?;
file.write_all(toml::to_string(&Cfg::default())?.as_bytes())?;
println!("Created default config ({path})");
Ok(())
}
fn create_database(path: &str) -> MLE<()> {
File::create(path)?;
setup(path)?;
println!("Created database ({path})");
Ok(())
}
fn create_cache(path: &str) -> MLE<()> {
create_dir_all(path)?;
println!("Created cache ({path})");
Ok(())
}
fn create_versions_dummy(path: &str) -> MLE<()> {
File::create(path)?;
println!("Created version file ({path})");
Ok(())
}