# Redmine - project management software
# Copyright (C) 2006-2013  Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

class VersionsController < ApplicationController
  layout "base_projects"
  menu_item :roadmap
  model_object Version
  before_filter :find_model_object, :except => [:index, :new, :create, :close_completed]
  #before_filter :find_model_object_contest, :except => [:index, :new, :create]
  before_filter :find_project_from_association, :except => [:index, :new, :create, :close_completed]
  before_filter :find_project_by_project_id, :only => [:index, :new, :create, :close_completed]
  before_filter :authorize

  accept_api_auth :index, :show, :create, :update, :destroy

  helper :custom_fields
  helper :projects
  helper :project_score

  def index
    # 顶部导航
    @project_menu_type = 7
    type = params[:type]
    version_all_count = Version.where(:project_id => @project.id)
    case type
      when nil,"1"
        @versions = @project.versions
      when "2"
        @versions = @project.versions.where(:status => 'open')
      when "3"
        @versions = @project.versions.where(:status => 'locked')
      when "4"
        @versions = @project.versions.where(:status => 'closed')
    end
    @versions_count = Version.where(:project_id => @project.id).count
    @versions_open_count = Version.where(:project_id => @project.id, :status => "open").count
    @versions_locked_count = Version.where(:project_id => @project.id, :status => "locked").count
    @versions_closed_count = Version.where(:project_id => @project.id, :status => "closed").count
    @versions_count = version_type_count(type, @versions_count, @versions_open_count, @versions_locked_count, @versions_closed_count)
    @limit = 10
    @is_remote = true
    @version_pages = Paginator.new @versions_count, @limit, params['page'] || 1
    @offset ||= @version_pages.offset
    @versions = paginateHelper @versions, @limit
    respond_to do |format|
      format.html
      format.js
      format.api
      # format.html {
      #   @trackers = @project.trackers.sorted.all
      #   retrieve_selected_tracker_ids(@trackers, @trackers.select {|t| t.is_in_roadmap?})
      #   @with_subprojects = params[:with_subprojects].nil? ? Setting.display_subprojects_issues? : (params[:with_subprojects] == '1')
      #   project_ids = @with_subprojects ? @project.self_and_descendants.collect(&:id) : [@project.id]
      #
      #   @versions = @project.shared_versions || []
      #   @versions += @project.rolled_up_versions.visible if @with_subprojects
      #   #added by young
      #   @versions = @versions.uniq.reverse#Modified by young
      #   unless params[:completed]
      #     @completed_versions = @versions.select {|version| version.closed? || version.completed? }
      #     @versions -= @completed_versions
      #   end
      #   @offset, @limit = api_offset_and_limit({:limit => 4})
      #   @versions_count = @versions.count
      #   @versions_pages = Paginator.new @versions_count, @limit, params['page']
      #   @offset ||= @versions_pages.offset
      #   @versions = @versions.slice(@offset, @limit)
      #   #end by young
      #
      #   @issues_by_version = {}
      #   if @selected_tracker_ids.any? && @versions.any?
      #     issues = Issue.visible.all(
      #       :include => [:project, :status, :tracker, :priority, :fixed_version],
      #       :conditions => {:tracker_id => @selected_tracker_ids, :project_id => project_ids, :fixed_version_id => @versions.map(&:id)},
      #       :order => "#{Project.table_name}.lft, #{Tracker.table_name}.position, #{Issue.table_name}.id"
      #     )
      #     @issues_by_version = issues.group_by(&:fixed_version)
      #   end
      #   @versions.reject! {|version| !project_ids.include?(version.project_id) && @issues_by_version[version].blank?}
      # }
      # format.api {
      #   @versions = @project.shared_versions.all
      # }
    end
  end

  # 统计各种类型数量
  def version_type_count type, all_count, opened_count, locked_count, closed_count
    case type
      when nil, "1"
        all_count
      when "2"
        opened_count
      when "3"
        locked_count
      when "4"
        closed_count
    end
  end

  def show
    respond_to do |format|
      @issues = @version.fixed_issues.visible.
         includes(:status, :tracker, :priority).
         reorder("#{Tracker.table_name}.position, #{Issue.table_name}.id").
         all
      @issue_count = @issues.count
      @limit = 20
      @issue_pages = Paginator.new @issue_count, @limit, params['page'] || 1
      # @offset ||= @issue_pages.offset
      @issues = paginateHelper @issues, @limit
      format.html {
       # @issues = @version.fixed_issues.visible.
       #   includes(:status, :tracker, :priority).
       #   reorder("#{Tracker.table_name}.position, #{Issue.table_name}.id").
       #   all
      }
      format.api
     # format.xls {
     #   @issues = @version.fixed_issues.visible.includes(:status, :tracker, :priority).reorder("#{Tracker.table_name}.position, #{Issue.table_name}.id").all
     #   filename = "#{@version.name.to_s}_#{l(:label_issue_list_xls)}.xls"
     #   send_data(issue_list_xls(@issues), :type => 'application/octet-stream', :filename => filename_for_content_disposition(filename))
     # }
    end
  end

  def new
    # @version = @project.versions.build
    # @version.safe_attributes = params[:version]
    #
    # respond_to do |format|
    #   format.html
    #   format.js
    # end
    redirect_to settings_project_url(@project, :tab => 'versions')
  end

  def create
    @version = @project.versions.build
    if params[:version]
      attributes = params[:version].dup
      attributes.delete('sharing') unless attributes.nil? || @version.allowed_sharings.include?(attributes['sharing'])
      @version.safe_attributes = attributes
    end

    if request.post?
      if @version.save
        respond_to do |format|
          format.html do
            flash[:notice] = l(:notice_successful_create)
            redirect_to settings_project_url(@project, :tab => 'versions')
          end
          format.js
          format.api do
            render :action => 'show', :status => :created, :location => version_url(@version)
          end
        end
      else
        respond_to do |format|
          format.html {  flash[:error] = @version.errors.full_messages.flatten.to_s
          redirect_to settings_project_url(@project, :tab => 'versions') }
          format.js   { render :action => 'new' }
          format.api  { render_validation_errors(@version) }
        end
      end
    end
  end

  def edit
  end

  def update
    if request.put? && params[:version]
      attributes = params[:version].dup
      attributes.delete('sharing') unless @version.allowed_sharings.include?(attributes['sharing'])
      @version.safe_attributes = attributes
      if @version.save
        respond_to do |format|
          format.html {
            flash[:notice] = l(:notice_successful_update)
            redirect_to settings_project_path(@project, :tab => 'versions')
          }
          format.api  { render_api_ok }
        end
      else
        respond_to do |format|
          format.html { render :action => 'edit' }
          format.api  { render_validation_errors(@version) }
        end
      end
    end
  end

  def close_completed
    if request.put?
      @project.close_completed_versions
    end
    redirect_to settings_project_url(@project, :tab => 'versions')
  end

  def close_completed_contest
    if request.put?
      @contest.close_completed_versions
    end
    redirect_to settings_contest_url(@contest, :tab => 'versions')
  end

  def destroy
    if @version.fixed_issues.empty?
      @version.destroy
      respond_to do |format|
        format.html { redirect_back_or_default settings_project_path(@project, :tab => 'versions') }
        format.api  { render_api_ok }
      end
    else
      respond_to do |format|
        format.html {
          flash[:error] = l(:notice_unable_delete_version)
          redirect_to settings_project_url(@project, :tab => 'versions')
        }
        format.api  { head :unprocessable_entity }
      end
    end
  end

  def status_by
    respond_to do |format|
      format.html { render :action => 'show' }
      format.js
    end
  end

  private

  def retrieve_selected_tracker_ids(selectable_trackers, default_trackers=nil)
    if ids = params[:tracker_ids]
      @selected_tracker_ids = (ids.is_a? Array) ? ids.collect { |id| id.to_i.to_s } : ids.split('/').collect { |id| id.to_i.to_s }
    else
      @selected_tracker_ids = (selectable_trackers).collect {|t| t.id.to_s }
    end
  end
end