module Hoe::Halostatue

def __git(command, *params)
  "git #{command.shellescape} #{params.compact.shelljoin}"
end

def __run_git(command, *params)
  `#{__git(command, *params)}`.strip.chomp
end

def define_halostatue_tasks # :nodoc:
  desc "Show a reminder for steps I frequently forget"
  task :checklist do
    if checklist.nil? || checklist.empty?
      puts "Checklist is empty."
    else
      puts "\n### HEY! Did you...\n\n"
      checklist.each do |question|
        question = question[0..0].upcase + question[1..]
        question = "#{question}?" unless question.end_with?("?")
        puts "  * #{question}"
      end
      puts
    end
  end
  task :release_sanity do
    unless checklist.nil? || checklist.empty? || trusted_release
      Rake::Task[:checklist].invoke
      puts "Hit return if you're sure, Ctrl-C if you forgot something."
      $stdin.gets
    end
  end
  task :spec_clean_markdown_links do
    spec.description = spec.description.gsub(LINKS, '\k<name>').gsub(/\r?\n/, " ")
    spec.summary = spec.summary.gsub(LINKS, '\k<name>').gsub(/\r?\n/, " ")
  end
  task "#{spec.name}.gemspec" => :spec_clean_markdown_links
  if trusted_release
    task :trusted_release do
      vm = %r{^(?<version>\d+(?:\.\d+)+)(?:\.(?<pre>[a-z]\w+(?:\.\d+)+))?}
        .match(spec.version.to_s)
      ENV["VERSION"] = vm[:version]
      ENV["PRERELEASE"] = vm[:pre]
    end
    task release_sanity: :trusted_release
  end
  return unless __run_git("rev-parse", "--is-inside-work-tree") == "true"
  desc "Update the manifest with Git's file list. Use Hoe's excludes."
  task "git:manifest" do
    with_config do |config, _|
      files = __run_git("ls-files").split($/)
      files.reject! { |f| f =~ config["exclude"] }
      File.open "Manifest.txt", "w" do |f|
        f.puts files.sort.join("\n")
      end
    end
  end
  desc "Create and push a TAG (default #{git_release_tag_prefix}#{version})."
  task "git:tag" do
    if git_tag_enabled
      tag = ENV["TAG"]
      ver = ENV["VERSION"] || version
      pre = ENV["PRERELEASE"] || ENV["PRE"]
      ver += ".#{pre}" if pre
      tag ||= "#{git_release_tag_prefix}#{ver}"
      git_tag_and_push tag
    end
  end
  task :release_sanity do
    unless __run_git("status", "--porcelain").empty?
      abort "Won't release: Dirty index or untracked files present!"
    end
  end
  task release_to: "git:tag"
end

def git_svn?
  File.exist?(File.join(__run_git("rev-parse", "--show-toplevel"), ".git/svn"))
end

def git_tag_and_push tag
  msg = "Tagging #{tag}."
  if git_svn?
    sh __git("svn", "tag", tag, "-m", msg)
  else
    flags =
      if __run_git("config", "--get", "user.signingkey").empty?
        nil
      else
        "-s"
      end
    sh __git("tag", flags, "-f", tag, "-m", msg)
    git_remotes.each { |remote| sh __git("push", "-f", remote, "tag", tag) }
  end
end

def initialize_halostatue # :nodoc:
  Hoe::URLS_TO_META_MAP.update({
    "bugs" => "bug_tracker_uri",
    "changelog" => "changelog_uri",
    "changes" => "changelog_uri",
    "clog" => "changelog_uri",
    "code" => "source_code_uri",
    "doco" => "documentation_uri",
    "docs" => "documentation_uri",
    "documentation" => "documentation_uri",
    "history" => "changelog_uri",
    "home" => "homepage_uri",
    "issues" => "bug_tracker_uri",
    "mail" => "mailing_list_uri",
    "tickets" => "bug_tracker_uri",
    "wiki" => "wiki_uri"
  })
  Hoe.prepend Hoe::Halostatue::ParseUrls
  self.checklist = [
    "bump the version",
    "check everything in",
    "review the manifest",
    "update the README and RDocs",
    "update the changelog",
    "regenerate the gemspec"
  ]
  self.git_release_tag_prefix = "v"
  self.git_remotes = %w[origin]
  self.git_tag_enabled = true
  self.trusted_release = false
end