module Lookbook::PathUtils

def determine_full_path(rel_path, search_dirs = [])
  base_path = search_dirs.detect { |p| Dir["#{p}/#{rel_path}"].first }
  path = Dir["#{base_path}/#{rel_path}"].first
  Pathname(path) if path
end

def normalize_paths(paths, allow_root: false)
  Array(paths).map do |path|
    full_path = to_absolute(path)
    if File.exist?(full_path)
      full_path if allow_root || !root_path?(full_path)
    end
  end.compact.uniq
end

def root_path?(path)
  Rails.application.root.to_s == path.to_s
end

def strip_slashes(path)
  path.to_s.gsub(/\A\/|\/\z/, "")
end

def to_absolute(path)
  File.absolute_path(path.to_s, Rails.root)
end

def to_lookup_path(file_path)
  path = file_path.to_s.downcase
  directory_path = File.dirname(path)
  directory_path = nil if directory_path.start_with?(".")
  file_name = File.basename(path).split(".").first
  segments = [*directory_path&.split("/"), file_name].compact
  segments.map! do |segment|
    PriorityPrefixParser.call(segment).last.tr("-", "_")
  end
  to_path(segments)
end

def to_path(*args)
  args.flatten.compact.map(&:to_s).join("/")
end