mod log_level;
pub use log_level::*;

use std::sync::Mutex;


pub const NORMAL: &str = "\x1b[0m";
pub const BOLD:   &str = "\x1b[1m";
pub const WHITE:  &str = "\x1b[37m";
pub const RED:    &str = "\x1b[31m";
pub const YELLOW: &str = "\x1b[33m";
pub const BLUE:   &str = "\x1b[34m";


pub static LOG_LEVEL: Mutex<LogLevel> = Mutex::new(LogLevel::Warn);

pub fn set_log_level(level: LogLevel) {
    *LOG_LEVEL.lock().unwrap() = level;
}

pub fn get_log_level() -> LogLevel {
    *LOG_LEVEL.lock().unwrap()
}


#[macro_export] macro_rules! info {
    ($($tokens:tt)*) => {
        if *$crate::LOG_LEVEL.lock().unwrap() <= { LogLevel::Info } {
            eprint!("{}{}[INFO]{}: ",
                $crate::BOLD,
                $crate::BLUE,
                $crate::NORMAL,
            );
            eprint!($($tokens)*);
            eprintln!("{}",
                $crate::NORMAL,
            );
        }
    };
}

#[macro_export] macro_rules! warn {
    ($($tokens:tt)*) => {{
        if *$crate::LOG_LEVEL.lock().unwrap() <= { LogLevel::Warn } {
            eprint!("{}{}[WARNING]{}{}: ",
                $crate::BOLD,
                $crate::YELLOW,
                $crate::NORMAL,
                $crate::WHITE,
            );
            eprint!($($tokens)*);
            eprintln!("{}",
                $crate::NORMAL,
            );
        }
    }};
}

#[macro_export] macro_rules! error {
    ($($tokens:tt)*) => {{
        if *$crate::LOG_LEVEL.lock().unwrap() <= { LogLevel::Error } {
            eprint!("{}{}[ERROR]{}: ",
                $crate::BOLD,
                $crate::RED,
                $crate::WHITE,

            );
            eprint!($($tokens)*);
            eprintln!("{}",
                $crate::NORMAL,
            );
        }
        std::process::exit(1);
    }};
}