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use anyhow::{anyhow, Context, Result};
use thermite::install;
use zip::ZipArchive;
#[derive(Debug)]
pub enum InstallType {
STEAM,
ORIGIN,
EAPLAY,
UNKNOWN,
}
/// Check version number of a mod
pub fn check_mod_version_number(path_to_mod_folder: String) -> Result<String, anyhow::Error> {
// println!("{}", format!("{}/mod.json", path_to_mod_folder));
let data = std::fs::read_to_string(format!("{}/mod.json", path_to_mod_folder))?;
let parsed_json: serde_json::Value = serde_json::from_str(&data)?;
// println!("{}", parsed_json);
let mod_version_number = match parsed_json.get("Version").and_then(|value| value.as_str()) {
Some(version_number) => version_number,
None => return Err(anyhow!("No version number found")),
};
println!("{}", mod_version_number);
Ok(mod_version_number.to_string())
}
/// Attempts to find the game install location
pub fn find_game_install_location() -> Result<(String, InstallType), anyhow::Error> {
// Attempt parsing Steam library directly
match steamlocate::SteamDir::locate() {
Some(mut steamdir) => {
let titanfall2_steamid = 1237970;
match steamdir.app(&titanfall2_steamid) {
Some(app) => {
// println!("{:#?}", app);
return Ok((app.path.to_str().unwrap().to_string(), InstallType::STEAM));
}
None => println!("Couldn't locate Titanfall2"),
}
}
None => println!("Couldn't locate Steam on this computer!"),
}
Err(anyhow!(
"Could not auto-detect game install location! Please enter it manually."
))
}
/// Returns the current Northstar version number as a string
pub fn get_northstar_version_number(game_path: String) -> Result<String, anyhow::Error> {
println!("{}", game_path);
// println!("{:?}", install_type);
// TODO:
// Check if NorthstarLauncher.exe exists and check its version number
let profile_folder = "R2Northstar";
let core_mods = [
"Northstar.Client",
"Northstar.Custom",
"Northstar.CustomServers",
];
let initial_version_number = match check_mod_version_number(format!(
"{}/{}/mods/{}",
game_path, profile_folder, core_mods[0]
)) {
Ok(version_number) => version_number,
Err(err) => return Err(err),
};
for core_mod in core_mods {
let current_version_number = match check_mod_version_number(format!(
"{}/{}/mods/{}",
game_path, profile_folder, core_mod
)) {
Ok(version_number) => version_number,
Err(err) => return Err(err),
};
if current_version_number != initial_version_number {
// We have a version number mismatch
return Err(anyhow!("Found version number mismatch"));
}
}
println!("All mods same version");
Ok(initial_version_number)
}
/// Checks whether the provided path is a valid Titanfall2 gamepath by checking against a certain set of criteria
pub fn check_is_valid_game_path(game_install_path: &str) -> Result<(), anyhow::Error> {
let is_correct_game_path =
std::path::Path::new(&format!("{}/Titanfall2.exe", game_install_path)).exists();
println!("Titanfall2.exe exists in path? {}", is_correct_game_path);
// Exit early if wrong game path
if !is_correct_game_path {
return Err(anyhow!("Incorrect game path \"{}\"", game_install_path)); // Return error cause wrong game path
}
Ok(())
}
/// Copied from `papa` source code and modified
///Extract N* zip file to target game path
// fn extract(ctx: &Ctx, zip_file: File, target: &Path) -> Result<()> {
fn extract(zip_file: std::fs::File, target: &std::path::Path) -> Result<()> {
let mut archive = ZipArchive::new(&zip_file).context("Unable to open zip archive")?;
for i in 0..archive.len() {
let mut f = archive.by_index(i).unwrap();
//This should work fine for N* because the dir structure *should* always be the same
if f.enclosed_name().unwrap().starts_with("Northstar") {
let out = target.join(
f.enclosed_name()
.unwrap()
.strip_prefix("Northstar")
.unwrap(),
);
if (*f.name()).ends_with('/') {
println!("Create directory {}", f.name());
std::fs::create_dir_all(target.join(f.name()))
.context("Unable to create directory")?;
continue;
} else if let Some(p) = out.parent() {
std::fs::create_dir_all(&p).context("Unable to create directory")?;
}
let mut outfile = std::fs::OpenOptions::new()
.create(true)
.write(true)
.truncate(true)
.open(&out)?;
println!("Write file {}", out.display());
std::io::copy(&mut f, &mut outfile).context("Unable to write to file")?;
}
}
Ok(())
}
/// Copied from `papa` source code and modified
///Install N* from the provided mod
///
///Checks cache, else downloads the latest version
async fn do_install(nmod: &thermite::model::Mod, game_path: &std::path::Path) -> Result<()> {
let filename = format!("northstar-{}.zip", nmod.version);
let download_directory = format!("{}/___flightcore-temp-download-dir/", game_path.display());
std::fs::create_dir_all(download_directory.clone())?;
let download_path = format!("{}/{}", download_directory.clone(), filename);
println!("{}", download_path);
let nfile = thermite::core::actions::download_file(&nmod.url, download_path)
.await
.unwrap();
println!("Extracting Northstar...");
extract(nfile, game_path)?;
// Delete old copy
println!("Delete temp folder again");
std::fs::remove_dir_all(download_directory).unwrap();
println!("Done!");
Ok(())
}
pub async fn install_northstar(game_path: &str) -> Result<String> {
let index = thermite::api::get_package_index().await.unwrap().to_vec();
let nmod = index
.iter()
.find(|f| f.name.to_lowercase() == "northstar")
.ok_or_else(|| panic!("Couldn't find Northstar on thunderstore???"))
.unwrap();
do_install(nmod, std::path::Path::new(game_path))
.await
.unwrap();
Ok(nmod.version.clone())
}
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