//! This module contains definitions to read the setup files.
use anyhow::Context as _;
use serde::de::DeserializeOwned;
use std::{
	fs,
	path::{Path, PathBuf}
};

pub mod autostart;
pub mod network;
pub mod os;
pub mod packages;

use autostart::Autostart;
use network::Network;
use os::Os;
use packages::Packages;

pub struct Setup {
	pub os: Os,
	pub network: Network,
	pub packages: Packages,
	pub autostart: Autostart
}

impl Setup {
	fn read<T: DeserializeOwned>(path: &Path, file: &str) -> anyhow::Result<T> {
		toml::from_slice(&fs::read(path.join(file)).with_context(|| format!("Failed to read {file}"))?)
			.with_context(|| format!("Failed to deserialize {file}"))
	}

	pub fn load() -> anyhow::Result<Self> {
		let path = PathBuf::from("setup");
		let os = Self::read(&path, "os.toml")?;
		let network = Self::read(&path, "network.toml")?;
		let packages = Self::read(&path, "packages.toml")?;
		let autostart = Self::read(&path, "autostart.toml")?;
		Ok(Self {
			os,
			network,
			packages,
			autostart
		})
	}
}