use ansi_term::Color::{Blue, Cyan, Red, Yellow};

pub struct Logger {
    log_level: LogLevel,
}

impl Logger {
    pub fn new(log_level: LogLevel) -> Logger {
        Logger { log_level }
    }

    pub fn log<T: Into<String>>(&self, log_level: LogLevel, message: T) {
        if self.log_level.clone() as i32 >= log_level.clone() as i32 {
            match log_level {
                LogLevel::QUIET => (),
                LogLevel::SEVERE => eprintln!("{}: {}", Red.paint("[SEVERE]"), message.into()),
                LogLevel::INFO => println!("{}: {}", Cyan.paint("[INFO]"), message.into()),
                LogLevel::WARNING => println!("{}: {}", Yellow.paint("[WARNING]"), message.into()),
                LogLevel::DETAIL => println!("{}: {}", Blue.paint("[DETAIL]"), message.into()),
                LogLevel::DETAILER => println!("{}: {}", Blue.paint("[DETAILER]"), message.into()),
            }
        }
    }
}

#[allow(dead_code)]
#[derive(Clone, Debug)]
#[repr(u8)]
pub enum LogLevel {
    QUIET = 0,
    SEVERE = 1,
    INFO = 2,
    WARNING = 3, // Default
    DETAIL = 4,
    DETAILER = 5,
}

impl From<u8> for LogLevel {
    fn from(number: u8) -> LogLevel {
        match number {
            0 => LogLevel::QUIET,
            1 => LogLevel::SEVERE,
            2 => LogLevel::INFO,
            4 => LogLevel::DETAIL,
            5 => LogLevel::DETAILER,
            _ => LogLevel::WARNING, // 3, also fallback
        }
    }
}