module RedmineMessenger
  REDMINE_CONTACTS_SUPPORT = Redmine::Plugin.installed?('redmine_contacts') ? true : false
  REDMINE_DB_SUPPORT = Redmine::Plugin.installed?('redmine_db') ? true : false
  # this does not work at the moment, because redmine loads passwords after messener plugin
  REDMINE_PASSWORDS_SUPPORT = Redmine::Plugin.installed?('redmine_passwords') ? true : false

  class << self
    def setup
      # Patches
      Issue.include RedmineMessenger::Patches::IssuePatch
      WikiPage.include RedmineMessenger::Patches::WikiPagePatch
      ProjectsController.send :helper, MessengerProjectsHelper
      Contact.include(RedmineMessenger::Patches::ContactPatch) if RedmineMessenger::REDMINE_CONTACTS_SUPPORT
      DbEntry.include(RedmineMessenger::Patches::DbEntryPatch) if RedmineMessenger::REDMINE_DB_SUPPORT
      Password.include(RedmineMessenger::Patches::PasswordPatch) if Redmine::Plugin.installed?('redmine_passwords')

      # Global helpers
      ActionView::Base.include RedmineMessenger::Helpers

      # Hooks
      require_dependency 'redmine_messenger/hooks'
    end

    def settings
      if Setting[:plugin_redmine_messenger].is_a? Hash
        new_settings = ActiveSupport::HashWithIndifferentAccess.new(Setting[:plugin_redmine_messenger])
        Setting.plugin_redmine_messenger = new_settings
        new_settings
      else
        # Rails 5 uses ActiveSupport::HashWithIndifferentAccess
        Setting[:plugin_redmine_messenger]
      end
    end

    def setting?(value)
      return true if settings[value].to_i == 1

      false
    end
  end
end