var config = require('../config');

var Logger = function(name) {
  this.name = name || 'log';
  this.level = 2;
};

var levels = {
  'debug': 0,
  'info': 1,
  'log': 2,
  'warn': 3,
  'error': 4,
  'fatal': 5
};

for (_level in levels) {
  (function(level) {
    Logger.prototype[level] = function() {
      if (levels[level] >= levels[this.level]) {
        var str = '[' + level + '] ' + this.name + ': ' + arguments[0],
          extraArgs,
        extraArgs = [].slice.call(arguments, 1);
        if (console[level]) {
          extraArgs.unshift(str);
          console[level].apply(console, extraArgs);
        } else {
          if (extraArgs.length) {
            str += JSON.stringify(extraArgs);
          }
          console.log(str);
        }
      }
    };
  })(_level);
}

Logger.prototype.setLevel = function(level) {
  this.level = level;
}

var logger = new Logger('copay');
logger.setLevel(config.logLevel);

module.exports = logger;