use sysinfo::System;

/// A struct to hold system resource information.
pub struct Resources {
    /// Total memory in megabytes.
    pub total_memory_mb: u64,
    /// Number of CPU cores.
    pub cpu_cores: usize,
}

impl Resources {
    /// Detects the system's resources.
    pub fn new() -> Self {
        let mut sys = System::new();
        sys.refresh_all();

        let total_memory_mb = sys.total_memory() / 1024 / 1024;
        let cpu_cores = sys.cpus().len();

        Self {
            total_memory_mb,
            cpu_cores,
        }
    }
}

impl Default for Resources {
    fn default() -> Self {
        Self::new()
    }
}