class Raykit::Version

def self.bump(version)
  # major.minor[.build[.revision]]  (example: 1.2.12.102)

  version_ints = version.split(".").map(&:to_i)
  version_ints[-1] = version_ints.last + 1
  version_ints.map(&:to_s).join(".")
end

def self.bump_file(filename)
  warn "Raykit::Version.bump_file filename '#{filename}' does not exist." unless File.exist?(filename)
  old_version = ""
  if filename.include?(".gemspec")
    old_version = detect_from_file(filename, /version\s?=\s?['|"]([.\d]+)['|"]/)
  end
  old_version = detect_from_file(filename, /<Version>([-\w\d.]+)</) if filename.include?(".csproj")
  if old_version.length.positive?
    new_version = bump(old_version)
    set_version_in_file(filename, new_version)
  end
  new_version
end

def self.detect(name)
  version = detect_from_file("#{name}/#{name}.csproj", /<Version>([-\w\d.]+)</)
  return version if version.length.positive?
  version = detect_from_file("#{name}/Properties/AssemblyInfo.cs", /^\[assembly: AssemblyVersion\("([.\w]+)/)
  return version if version.length.positive?
  version = detect_from_file("Cargo.toml", /version\s+=\s+['"]([\w.]+)['"]/)
  return version if version.length.positive?
  version = detect_from_file("#{name}.gemspec", /version\s+=\s+['"]([\w.]+)['"]/)
  return version if version.length.positive?
  version = detect_from_file("#{name}.gemspec", /version\s?=\s?['|"]([.\d]+)['|"]/)
  return version if version.length.positive?
  version = detect_from_file("#{name}.nuspec", /<[Vv]ersion>([\d.]+)</)
  return version if version.length.positive?
  ""
end

def self.detect_from_file(filename, regex)
  version = ""
  if File.exist?(filename)
    match = IO.read(filename).match(regex)
    version = match.captures[0] if !match.nil? && match.captures.length.positive?
  else
    return ""
  end
  version
end

def self.set_version_in_file(filename, version)
  text = IO.read(filename)
  new_text = text
  new_text = text.gsub(/version\s?=\s?['|"]([.\d]+)['|"]/, "version='#{version}'") if filename.include?(".gemspec")
  new_text = text.gsub(/<Version>([-\w\d.]+)</, "<Version>#{version}<") if filename.include?(".csproj")
  new_text = text.gsub(/<version>([-\w\d.]+)</, "<version>#{version}<") if filename.include?(".nuspec")
  new_text = text.gsub(/ Version="([\d\.]+)"/, " Version=\"#{version}\"") if filename.include?(".wxs")
  # new_text=text.gsub(/<Version>([-\w\d.]+)</,"<Version>#{version}<")

  # new_text=new_text.gsub(/version[\s]+=\s?['|"]([.\d]+)['|"]/,"version='#{version}'")

  # new_text=new_text.gsub(/Version="([.\d]+)"/,"Version=\"#{version}\"")

  File.open(filename, "w") { |f| f.write(new_text) } if new_text != text
end

def self.set_version_in_glob(glob_pattern, version)
  Dir.glob(glob_pattern).each { |f|
    Raykit::Version::set_version_in_file(f, version)
  }
end

def self.sync_file_versions(source_filename, destination_filename)
  version = Version.detect_from_file(source_filename, /<Version>([-\w\d.]+)</, false)
  Version.set_version_in_file(destination_filename, version)
end