class Configs

# File lib/subcl/configs.rb, line 14
def initialize(file = DEFAULT_PATH)
  @configs = {
    :notifyMethod => "auto",
    :play_any_on_unknown_command => false
  }

  @file = File.expand_path(file)
  unless File.file?(@file)
    if @file == DEFAULT_PATH and Configs.tty?
      ask_create_config
    else
      raise "Config file '#{@file}' not found"
    end
  end

  read_configs
end

# File lib/subcl/configs.rb, line 112
def self.tty?
  system('tty -s')
end

# File lib/subcl/configs.rb, line 82
def [](key)
  raise "Undefined setting #{key}" unless @configs.has_key? key
  @configs[key]
end

# File lib/subcl/configs.rb, line 87
def []=(key, val)
  settings = REQUIRED_SETTINGS + OPTIONAL_SETTINGS
  settings.each do |name|
    if key == name
      @configs[key] = val
      return
    end
  end
  raise "Undefined setting #{key}"
end

# File lib/subcl/configs.rb, line 102
def ask_create_config
  $stderr.puts "No configuration found at #{DEFAULT_PATH}. Create one? [y/n]"
  if $stdin.gets.chomp =~ /[yY]/
    FileUtils.cp(DEFAULT_CONFIG, DEFAULT_PATH)
    $stderr.puts "Created #{DEFAULT_PATH}"
    exit 0
  end
  exit 4
end

# File lib/subcl/configs.rb, line 32
def read_configs
  settings = REQUIRED_SETTINGS + OPTIONAL_SETTINGS
  open(@file).each_line do |line|
    next if line.start_with? '#'
    next if line.chomp.empty?

    key, value = line.split(' ', 2)
    value.chomp!

    key = key.to_sym
    if settings.include? key
      @configs[key] = value
    else
      LOGGER.warn { "Unknown setting: '#{key}'" }
    end
  end

  validate_wildcard_order

  REQUIRED_SETTINGS.each do |setting|
    if @configs[setting].nil?
      raise "Missing setting '#{setting}'"
    end
  end
end

# File lib/subcl/configs.rb, line 98
def to_hash
  @configs
end

# File lib/subcl/configs.rb, line 58
def validate_wildcard_order
  if @configs[:wildcard_order]
    raw_order = @configs[:wildcard_order]
    final_order = []
    raw_order.split(',').each do |item|
      item = item.to_sym
      if WILDCARD_ORDER_ITEMS.include? item
        final_order << item
      else
        LOGGER.warn("Invalid wildcard_order item #{item}")
      end
    end

    WILDCARD_ORDER_ITEMS.each do |item|
      unless final_order.include? item
        LOGGER.warn("wildcard_order is missing #{item}")
        final_order << item
      end
    end

    @configs[:wildcard_order] = final_order
  end
end