class Yalphabetize::YamlFinder

# File lib/yalphabetize/yaml_finder.rb, line 17
def initialize
  @files = []
end

# File lib/yalphabetize/yaml_finder.rb, line 9
def self.paths(only:, exclude:)
  if exclude.any?
    new.paths(only) - new.paths(exclude)
  else
    new.paths(only)
  end
end

# File lib/yalphabetize/yaml_finder.rb, line 21
def paths(paths)
  if paths.empty?
    files << files_in_dir
  else
    process_paths(paths)
  end

  files.flatten.select { |file| valid?(file) }.uniq
end

# File lib/yalphabetize/yaml_finder.rb, line 66
def exists?(path)
  File.exist?(path)
end

# File lib/yalphabetize/yaml_finder.rb, line 51
def files_in_dir(dir = Dir.pwd)
  return if `sh -c 'command -v git'`.empty?

  output, _error, status = Open3.capture3(
    'git', 'ls-files', '-z', *Array(dir),
    '--exclude-standard', '--others', '--cached', '--modified'
  )

  output.split("\0").uniq if status.success?
end

# File lib/yalphabetize/yaml_finder.rb, line 47
def files_in_glob(glob)
  files_in_dir([glob, glob.gsub('**/', '').gsub('**', '')].uniq)
end

# File lib/yalphabetize/yaml_finder.rb, line 74
def glob?(path)
  path.include?('*')
end

# File lib/yalphabetize/yaml_finder.rb, line 35
def process_paths(paths)
  paths.uniq.each do |path|
    files << if glob?(path)
               files_in_glob(path)
             elsif File.directory?(path)
               files_in_dir(path)
             else
               path
             end
  end
end

# File lib/yalphabetize/yaml_finder.rb, line 62
def valid?(path)
  exists?(path) && yml?(path)
end

# File lib/yalphabetize/yaml_finder.rb, line 70
def yml?(path)
  YAML_EXTENSIONS.include? File.extname(path)
end