module Bundler::FriendlyErrors

def exit_status(error)
  case error
  when BundlerError then error.status_code
  when Thor::Error then 15
  when SystemExit then error.status
  else 1
  end
end

def issues_url(exception)
  "https://github.com/bundler/bundler/search?q=" \
    "#{CGI.escape(exception.message.lines.first.chomp)}&type=Issues"
end

def log_error(error)
  case error
  when YamlSyntaxError
    Bundler.ui.error error.message
    Bundler.ui.trace error.orig_exception
  when Dsl::DSLError
    Bundler.ui.error error.message
  when GemRequireError
    Bundler.ui.error error.message
    Bundler.ui.trace error.orig_exception, nil, true
  when BundlerError
    Bundler.ui.error error.message, :wrap => true
    Bundler.ui.trace error
  when Thor::Error
    Bundler.ui.error error.message
  when LoadError
    raise error unless error.message =~ /cannot load such file -- openssl|openssl.so|libcrypto.so/
    Bundler.ui.error "\nCould not load OpenSSL."
    Bundler.ui.warn <<-WARN, :wrap => true
      You must recompile Ruby with OpenSSL support or change the sources in your \
      Gemfile from 'https' to 'http'. Instructions for compiling with OpenSSL \
      using RVM are available at http://rvm.io/packages/openssl.
    WARN
    Bundler.ui.trace error
  when Interrupt
    Bundler.ui.error "\nQuitting..."
    Bundler.ui.trace error
  when Gem::InvalidSpecificationException
    Bundler.ui.error error.message, :wrap => true
  when SystemExit
  else request_issue_report_for(error)
  end
end

def request_issue_report_for(e)
  Bundler.ui.info <<-EOS.gsub(/^ {8}/, "")
    --- ERROR REPORT TEMPLATE -------------------------------------------------------
    - What did you do?
      I ran the command `#{$PROGRAM_NAME} #{ARGV.join(" ")}`
    - What did you expect to happen?
      I expected Bundler to...
    - What happened instead?
      Instead, what actually happened was...
    Error details
        #{e.class}: #{e.message}
          #{e.backtrace.join("\n              ")}
    #{Bundler::Env.new.report(:print_gemfile => false, :print_gemspecs => false).gsub(/\n/, "\n      ").strip}
    --- TEMPLATE END ----------------------------------------------------------------
  EOS
  Bundler.ui.error "Unfortunately, an unexpected error occurred, and Bundler cannot continue."
  Bundler.ui.warn <<-EOS.gsub(/^ {8}/, "")
    First, try this link to see if there are any existing issue reports for this error:
    #{issues_url(e)}
    If there aren't any reports for this error yet, please create copy and paste the report template above into a new issue. Don't forget to anonymize any private data! The new issue form is located at:
    https://github.com/bundler/bundler/issues/new
  EOS
end