mod mounts;
mod pid_one;

use crate::mounts::fstab::FstabEntry;
use crate::mounts::rescue;
use crate::pid_one::check_pid;

// RULE: I will not use .expect() and .unwrap() in this project. This causes panic,
// which will affect stability.

fn main() -> Result<(), Box<dyn std::error::Error>> {
    println!("Initializing your system.");
    check_pid().expect("\x1b[31m * \x1b[0m Runned not as first process. init/src/pid_one.rs:8:8");
    
    match FstabEntry::parse_fstab("/etc/fstab") {
        Ok(entries) => {
            println!("\x1b[32m * \x1b[0m Sucessfully parsed /etc/fstab.");
            for entry in &entries {
                let _ = entry.mount();
            }
        }, 
        Err(error) => {
            println!("\x1b[33m * \x1b[0m Looks like fstab broken. Mounting all without reading /etc/fstab.");
            println!("\x1b[33m * \x1b[0m Error:\n {}", error);
            let _ = rescue::mount_system();
            
            // Minimal mounts without fstab, because /etc/fstab needs fixes :)
            // Btw it should be used if fstab broken or has syntax-errors
            // TODO: If fstab contains syntax errors, mount everything else that does not contain them through it anyway.
        }
    }



    Ok(())
}