module Zipr

# File lib/zipr/helper.rb, line 59
def checksums_folder
  "#{@cache_path}/zipr/archive_checksums"
end

# File lib/zipr/config.rb, line 4
def config
  @config ||= EasyJSON.config(defaults: defaults)
end

# File lib/zipr/config.rb, line 8
def defaults
  {
    'paths' => {
      'cache' => Dir.tmpdir,
    },
  }
end

# File lib/zipr/helper.rb, line 21
def flattened_paths(source_folder, files)
  return files if source_folder.nil? || source_folder.empty?
  result = []
  source_folder_glob = nil
  files.each do |entry|
    if entry.is_a?(Regexp)
      source_folder_glob ||= Dir.glob("#{source_folder.tr('\\', '/')}/**/*")
      matched_files = source_folder_glob.select { |path| path =~ entry }
      result += matched_files.map { |f| slice_source_folder(source_folder, f) }
      next
    end

    standardized_entry = "#{source_folder.tr('\\', '/')}/#{slice_source_folder(source_folder, entry)}"
    files_found = Dir.glob(standardized_entry)
    if files_found.empty?
      result.push(entry)
    else
      result += files_found.map { |f| slice_source_folder(source_folder, f) }
    end
  end
  result
end

# File lib/zipr/helper.rb, line 50
def prepend_source_folder(source_folder, entry)
  return entry.tr('\\', '/') if source_folder.nil? || source_folder.empty? || entry.tr('\\', '/').start_with?(source_folder.tr('\\', '/'))
  "#{source_folder.tr('\\', '/')}/#{entry.tr('\\', '/')}"
end

# File lib/zipr/helper.rb, line 12
def seven_zip_exe_from_registry
  key_path = 'SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\7zFM.exe'
  return nil unless EasyIO::Registry.key_exists?(key_path)
  # Read path from recommended Windows App Paths registry location
  # docs: https://msdn.microsoft.com/en-us/library/windows/desktop/ee872121
  EasyIO::Registry.read(key_path, 'Path')
end

# File lib/zipr/helper.rb, line 4
def seven_zip_executable_path
  path = node['seven_zip']['home']
  EasyIO.logger.debug "7-zip home: '#{path}'" unless path.nil?
  path ||= seven_zip_exe_from_registry if OS.windows?
  EasyIO.logger.debug "7-zip path: '#{path}'"
  ::File.join(path, OS.windows? ? '7z.exe' : '7z')
end

# File lib/zipr/helper.rb, line 55
def slice_source_folder(source_folder, entry)
  entry.tr('\\', '/').sub(source_folder.tr('\\', '/'), '').reverse.chomp('/').reverse
end

# File lib/zipr/helper.rb, line 44
def wildcard_to_regexp(entry)
  return entry if entry.is_a?(Regexp)
  escaped_entry = Regexp.escape(entry).gsub(/\\\*/, '.*') # Convert asterisks to .*
  /#{escaped_entry}/
end