#-- encoding: UTF-8
#-- copyright
# OpenProject is a project management system.
#
# Copyright (C) 2012-2013 the OpenProject Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# See doc/COPYRIGHT.rdoc for more details.
#++

module SettingsHelper
  def administration_settings_tabs
    [{:name => 'general', :partial => 'settings/general', :label => :label_general},
     {:name => 'display', :partial => 'settings/display', :label => :label_display},
     {:name => 'authentication', :partial => 'settings/authentication', :label => :label_authentication},
     {:name => 'users', :partial => 'settings/users', :label => :label_user_plural },
     {:name => 'projects', :partial => 'settings/projects', :label => :label_project_plural},
     {:name => 'issues', :partial => 'settings/issues', :label => :label_issue_tracking},
     {:name => 'notifications', :partial => 'settings/notifications', :label => Proc.new { User.human_attribute_name(:mail_notification) } },
     {:name => 'mail_handler', :partial => 'settings/mail_handler', :label => :label_incoming_emails},
     {:name => 'repositories', :partial => 'settings/repositories', :label => :label_repository_plural}
    ]
  end

  def setting_select(setting, choices, options={})
    if blank_text = options.delete(:blank)
      choices = [[blank_text.is_a?(Symbol) ? l(blank_text) : blank_text, '']] + choices
    end

    ret = select_tag("settings[#{setting}]", options_for_select(choices, Setting.send(setting).to_s), options)
    ret = setting_label(setting).safe_concat(ret) unless options[:label] == false

    ret
  end

  def setting_multiselect(setting, choices, options={})
    setting_values = Setting.send(setting)
    setting_values = [] unless setting_values.is_a?(Array)

    setting_label(setting, options) +
      hidden_field_tag("settings[#{setting}][]", '') +
      choices.collect do |choice|
        text, value = (choice.is_a?(Array) ? choice : [choice, choice])

        content_tag('label',
          check_box_tag("settings[#{setting}][]", value, Setting.send(setting).include?(value)) + text.to_s,
          :class => 'block'
        )
      end.join.html_safe
  end

  def settings_multiselect(settings, choices, options={})
    ('<table>' +
      '<thead>' +
        '<tr>' +
          '<th>' + l(options[:label_choices] || :label_choices) + '</th>' +
          settings.collect do |setting|
            '<th>' + hidden_field_tag("settings[#{setting}][]", '') + l('setting_' + setting.to_s) + '</th>'
          end.join +
        '</tr>' +
      '</thead>' +
      '<tbody>' +
        choices.collect do |choice|
          text, value = (choice.is_a?(Array)) ? choice : [choice, choice]
          '<tr>' +
            '<td>' + h(text) + '</td>' +
            settings.collect do |setting|
              '<td align="center">' + check_box_tag("settings[#{setting}][]", value, Setting.send(setting).include?(value), :id => "#{setting}_#{value}" ) + '</td>'
            end.join +
          '</tr>'
        end.join +
      '</tbody>' +
    '</table>').html_safe
  end

  def setting_text_field(setting, options={})
    setting_label(setting, options) +
      text_field_tag("settings[#{setting}]", Setting.send(setting), options)
  end

  def setting_text_area(setting, options={})
    setting_label(setting, options) +
      text_area_tag("settings[#{setting}]", Setting.send(setting), options)
  end

  def setting_check_box(setting, options={})
    setting_label(setting, options) +
      tag(:input, :type => "hidden", :name => "settings[#{setting}]", :value => 0, :id => "settings_#{setting}_hidden") +
      check_box_tag("settings[#{setting}]", 1, Setting.send("#{setting}?"), options)
  end

  def setting_label(setting, options={})
    label = options.delete(:label)
    label != false ? content_tag("label", l(label || "setting_#{setting}"), :for => "settings_#{setting}" ) : ''.html_safe
  end

  # Renders a notification field for a Redmine::Notifiable option
  def notification_field(notifiable)
    return content_tag(:label,
                       check_box_tag('settings[notified_events][]',
                                     notifiable.name,
                                     Setting.notified_events.include?(notifiable.name)) +
                         l_or_humanize(notifiable.name, :prefix => 'label_'),
                       :class => notifiable.parent.present? ? "parent" : '')
  end
end