class EzConfig

# File lib/ez_config.rb, line 15
def [](k)
  instance[k]
end

# File lib/ez_config.rb, line 7
def configure(opt)
  @opt = opt
end

# File lib/ez_config.rb, line 11
def instance
  @instance ||= new (@opt || {})
end

# File lib/ez_config.rb, line 24
def initialize(opt={})
  @env              = opt[:env].to_s || ENV['RACK_ENV'] || ENV['RAILS_ENV']
  @path             = opt[:path] || "#{Dir.pwd}/config/app_config"
  @production_regex = opt[:production_regex] || PRODUCTION_REGEX
end

# File lib/ez_config.rb, line 19
def to_hash
  instance.to_hash
end

# File lib/ez_config.rb, line 30
def [](k)
  to_hash[k]
end

# File lib/ez_config.rb, line 42
def config
  @config ||= files.inject({}) do |config, file|
    key   = File.basename file, '.yml'
    yaml  = YAML.load_file file
    val   = yaml[@env] || yaml[default_env]

    raise NoConfigForEnv, "Environment #{@env} not found in #{file}" unless val

    config[key] = val
    config
  end
end

# File lib/ez_config.rb, line 38
def default_env
  @env =~ @production_regex ? 'production' : 'non_production'
end

# File lib/ez_config.rb, line 34
def files
  Dir.glob File.join(@path, '*.yml')
end