extern crate log;
extern crate ansi_term;

use ansi_term::Colour;

use error::YabsError;
use log::{LogLevel, LogLevelFilter, LogMetadata, LogRecord};

pub struct Logger;

impl Logger {
    pub fn init() -> Result<(), YabsError> {
        Ok(log::set_logger(|max_log_level| {
                               max_log_level.set(LogLevelFilter::Info);
                               Box::new(Logger)
                           })?)
    }
}

impl log::Log for Logger {
    fn enabled(&self, metadata: &LogMetadata) -> bool {
        metadata.level() <= LogLevel::Info
    }

    fn log(&self, record: &LogRecord) {
        if self.enabled(record.metadata()) {
            match record.level() {
                LogLevel::Error => {
                    println!("{}: {}", Colour::Red.bold().paint("error"), record.args());
                },
                LogLevel::Info => {
                    println!("{}", record.args());
                },
                _ => {},
            };
        }
    }
}