class BackupMinister

# File lib/backup_minister.rb, line 14
def initialize(file_name = nil)
  @config_file_name = file_name || CONFIG_FILE_NAME
  @config = check_config_file_exists
end

# File lib/backup_minister.rb, line 44
def backup_minister_installed?
  software_installed?(APP_NAME)
end

# File lib/backup_minister.rb, line 71
def create_nested_directory(path)
  result = false

  begin
    FileUtils::mkdir_p(path)
    LOGGER.debug "Directory `#{path}` created."
    result = true
  rescue Error => error
    LOGGER.error "Can't create directory `#{path}` with error #{error.message}."
  end

  result
end

# File lib/backup_minister.rb, line 59
def execute(command)
  system command
  code = $?.exitstatus
  if code > 0
    LOGGER.warn "Failed to execute command `#{command}` with code #{code}."
    false
  else
    true
  end
end

# File lib/backup_minister.rb, line 85
def execute_with_result(command, arguments = [])
  out, st = Open3.capture2(command, arguments)
  LOGGER.warn "Failed to execute command `#{command}` with code #{st.exitstatus}." unless st.success?
  out
end

# File lib/backup_minister.rb, line 96
def file_sha256_hash(file_path)
  file = File.read(file_path)
  Digest::SHA256.hexdigest(file) if file
end

# File lib/backup_minister.rb, line 30
def project_config(name: nil, index: nil)
  raise ArgumentError, 'At least one of arguments required' if name.nil? and index.nil?
  project_name = name.nil? ? @projects[index] : name.to_s

  if project_name and @config['projects'][project_name]
    @config['projects'][project_name]
  else
    raise ArgumentError, "No project #{name ? name : index} found."
  end
end

# File lib/backup_minister.rb, line 51
def software_installed?(name)
  result = execute_with_result('type', name)
  result and /\A(#{name})(.)+(#{name})$/.match(result).to_a.count >= 3
end

# File lib/backup_minister.rb, line 19
def system_config(*path)
  path.unshift 'settings'
  @config.dig(*path)
end

# File lib/backup_minister.rb, line 105
def check_config_file_exists
  if File.exists?(@config_file_name)
    YAML.load File.read(@config_file_name)
  else
    raise RuntimeError, "No config file #{@config_file_name} found"
  end
end