require 'legion/logging/version'
# require 'legion/logging/logger'

require 'logger'
require 'rainbow'

module Legion
  # Logging Module
  module Logging
    attr_accessor :logger
    attr_accessor :color
    # Self Class
    class << self
      attr_accessor :log, :logger

      def setup(options = {})
        @log = ::Logger.new($stdout) if options[:log_file].nil?
        @log = ::Logger.new(options[:log_file]) unless options[:log_file].nil?
        log_level(options[:level])
        log_format(options)

        @log
      end

      def log_format(_options)
        @log.formatter = proc do |severity, datetime, _progname, msg|
          "[#{datetime}][#{::Process.pid}] #{severity} #{msg}\n"
        end
      end

      def log_level(level = 'debug')
        if level == 'debug'
          @log.level = ::Logger::DEBUG
        elsif level == 'info'
          @log.level = ::Logger::INFO
        elsif level == 'warn'
          @log.level = ::Logger::WARN
        elsif level == 'error'
          @log.level = ::Logger::ERROR
        elsif level == 'fatal'
          @log.level = ::Logger::FATAL
        end
      end

      def get(options = {})
        setup(options)
      end
    end

    def self.debug(message)
      start_logger if @logger.nil?
      message = Rainbow(message).blue if @color
      @logger.debug(message)
    end

    def self.info(message)
      start_logger if @logger.nil?
      message = Rainbow(message).green if @color
      @logger.info(message)
    end

    def self.warn(message)
      start_logger if @logger.nil?
      message = Rainbow(message).yellow if @color
      @logger.warn(message)
    end

    def self.error(message)
      start_logger if @logger.nil?
      message = Rainbow(message).red if @color
      @logger.error(message)
    end

    def self.fatal(message)
      start_logger if @logger.nil?
      message = Rainbow(message).darkred if @color
      @logger.fatal(message)
    end

    def self.start_logger
      @color = true
      log_location = $stdout
      @logger = Logger.new(log_location)
      @logger.level = Logger::DEBUG
      @logger.formatter = proc do |severity, datetime, _progname, msg|
        "[#{datetime}][#{::Process.pid}] #{severity} #{msg}\n"
      end
    end
  end
end