class ComposeManager

# File lib/docker-sync/compose.rb, line 7
def initialize(global_options)
  @global_options = global_options

  ### production docker-compose.yml
  compose_files = [File.expand_path('docker-compose.yml')]
  if @global_options.key?('compose-file-path')
    compose_files = [] # replace
    apply_path_settings(compose_files, @global_options['compose-file-path'], 'compose-file-path')
  end

  ### development docker-compose-dev.yml
  if @global_options.key?('compose-dev-file-path')
    # explicit path given
    apply_path_settings(compose_files, @global_options['compose-dev-file-path'], 'compose-dev-file-path')
    say_status 'ok',"Found explicit docker-compose-dev.yml and using it from #{@global_options['compose-dev-file-path']}", :green
  else
    # try to find docker-compose-dev.yml
    e = compose_files.to_enum
    production_compose_file = File.expand_path(e.peek)
    working_dir = File.dirname(production_compose_file)
    compose_dev_path = "#{working_dir}/docker-compose-dev.yml"
    if File.exist?(compose_dev_path)
      say_status 'ok',"Found implicit docker-compose-dev.yml and using it from #{compose_dev_path}", :green
      compose_files.push compose_dev_path
    end
  end
  @compose_session = Docker::Compose::Session.new(dir:'./', :file => compose_files)
end

# File lib/docker-sync/compose.rb, line 49
def clean
  @compose_session.down
end

# File lib/docker-sync/compose.rb, line 36
def run
  say_status 'ok','starting compose',:green
  options = Hash.new
  if @global_options['compose-force-build']
    options[:build] = true
  end
  @compose_session.up(**options)
end

# File lib/docker-sync/compose.rb, line 45
def stop
  @compose_session.stop
end

# File lib/docker-sync/compose.rb, line 54
def apply_path_settings(compose_files, settings, error_key)
  if settings.kind_of?(Array)
    apply_filepaths(compose_files, settings, error_key)
  else
    apply_filepath(compose_files, settings, error_key)
  end
end

# File lib/docker-sync/compose.rb, line 63
def apply_filepath(array, filepath, error_key)
  path = File.expand_path(filepath)
  unless File.exist?(path)
    raise("Your referenced docker-compose file in docker-sync.yml was not found at #{error_key}")
  end
  array.push path
end

# File lib/docker-sync/compose.rb, line 71
def apply_filepaths(array, filepath_array, error_key)
  filepath_array.each do |filepath|
    apply_filepath(array, filepath, error_key)
  end
end