# 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,:judge_version_title]
  #before_filter :find_model_object_contest, :except => [:index, :new, :create]
  before_filter :find_project_from_association, :except => [:index, :new, :create, :close_completed, :judge_version_title]
  before_filter :find_project_by_project_id, :only => [:index, :new, :create, :close_completed,:judge_version_title]
  before_filter :authorize, :except => [:judge_version_title]

  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]
    case type
      when nil,"1"
        @versions = @project.versions.reorder('updated_on desc')
      when "2"
        @versions = @project.versions.where(:status => 'open').reorder('updated_on desc')
      when "3"
        @versions = @project.versions.where(:status => 'locked').reorder('updated_on desc')
      when "4"
        @versions = @project.versions.where(:status => 'closed').reorder('updated_on desc')
    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
    # 顶部导航
    @project_menu_type = 7

    respond_to do |format|
      @version_issues = @version.fixed_issues.visible.
         includes(:status, :tracker, :priority).
         reorder("#{Tracker.table_name}.position, #{Issue.table_name}.id").
         all
      @issue_count = @version_issues.count
      @limit = 20
      @issue_pages = Paginator.new @issue_count, @limit, params['page'] || 1
      # @offset ||= @issue_pages.offset
      @issues = paginateHelper @version_issues, @limit
      @version_issue_assigned_name = @version_issues.sort_by{ |i| Issue.where(:project_id => @project.id ,
                                                        :assigned_to_id => i.assigned_to_id, :fixed_version_id => @version.id).count }.reverse.group_by(&:assigned_to_id)
      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|
       @is_setting = params[:is_setting]
       @is_create = params[:is_create]
       @is_issue = params[:is_issue]
       @issue_project_id = params[:issue_project_id]
       #@@issue = Issue.find(params[:issue].to_i)
       format.js
     end
  end

  def create
    # 项目配置中新建
    @is_setting = params[:is_setting]
    @is_issue = params[:is_issue]
    @is_create = params[:is_create]
    @issue_project_id = params[:issue_project_id]
    # @issue = current_issue

    @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
      @version.user_id = User.current.id
    end
    if request.post?
      if @version.save
        respond_to do |format|
          format.html{
            if @is_create
              redirect_to project_versions_path(@project)
            elsif @is_issue
              redirect_to new_project_issue_path(@project)
            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   { @error = @version.errors.full_messages.flatten.to_s }
          format.api  { render_validation_errors(@version) }
        end
      end
    end
  end

  def edit
    @is_setting = params[:is_setting]
    @is_create = params[:is_create]
    @is_index = params[:is_index]
    @version_id = params[:id]
  end

  def update
    @is_setting = params[:is_setting]
    @is_create = params[:is_create]
    @is_index = params[:is_index]
    @flag = params[:flag]

    if request.put? && params[:version]
      # 处理里程碑里面的更新
      if @flag.to_i == 1
        @version.update_attribute(:status, params[:status])
        if @version.save
          respond_to do |format|
            format.html {
              flash[:notice] = l(:notice_successful_update)
              redirect_to settings_project_path(@project, :tab => 'versions')
            }
            format.js
            format.api  { render_api_ok }
          end
        else
          respond_to do |format|
            format.html { render :action => 'edit' }
            format.api  { render_validation_errors(@version) }
          end
        end
      else
        attributes = params[:version].dup
        attributes.delete('sharing') unless @version.allowed_sharings.include?(attributes['sharing'])
        @version.safe_attributes = attributes
        @is_setting = params[:is_setting]
        if @version.save
          # 为了再setting里面局部刷新
          if @is_setting
            @versions = @version.project.shared_versions.sort
          end
          respond_to do |format|
            format.html {
              if @is_create
                redirect_to version_path(@version)
              elsif @is_index
                redirect_to project_versions_path(@project)
              end
            }
            format.js
            format.api  { render_api_ok }
          end
        else
          respond_to do |format|
            format.html { render :action => 'edit' }
            format.js
            format.api  { render_validation_errors(@version) }
          end
        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

  # 判断里程碑是否重名
  # 项目内的里程碑不能重名，项目之间的里程碑能重名
  def judge_version_title
    begin
      version = Version.where(:name => params[:version_name], :project_id => @project.id).first
      if version.blank? || version.id == params[:version_id].to_i
        result = {:result => true}
      else
        result = {:result => false}
      end
    rescue Exception => e
      puts e
    end
    render :json => result
  end

  def destroy
    begin
      project = @version.project
      issues = Issue.where(:fixed_version_id => @version.id)
      @version.destroy
      issues.update_all(:fixed_version_id, nil)
    rescue Exception => e
      puts e
    end
    respond_to do |format|
      format.js
      format.html { redirect_to project_versions_path(project)}
      format.api  { render_api_ok }
    end
  end

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

  private
  def issue_list_xls issues
    xls_report = StringIO.new
    book = Spreadsheet::Workbook.new
    sheet1 = book.create_worksheet :name => "issues"
    blue = Spreadsheet::Format.new :color => :blue, :weight => :bold, :size => 10
    sheet1.row(0).default_format = blue
    sheet1.row(0).concat([l(:issue_xls_id),l(:issue_xls_tracker_id),l(:issue_xls_title),l(:issue_xls_description),l(:issue_xls_status),l(:issue_xls_assign),l(:issue_xls_priority),l(:issue_xls_author),l(:issue_xls_created_at),l(:milestone),l(:issue_xls_start),l(:issue_xls_due),l(:issue_xls_ratio)])
    count_row = 1
    issues.each do |issue|
      sheet1[count_row,0] = issue.id
      sheet1[count_row,1] = issue_tracker_change(issue.tracker_id)
      sheet1[count_row,2] = issue.subject
      sheet1[count_row,3] = (issue.description.gsub(/<\/?.*?>/,"")).html_safe
      sheet1[count_row,4] = issue_status_change(issue.status_id)
      sheet1[count_row,5] = issue.assigned_to.try(:show_name)
      sheet1[count_row,6] = issue_priority_change(issue.priority_id)
      sheet1[count_row,7] = issue.author.show_name
      sheet1[count_row,8] = issue.created_on.nil? ? issue.created_on : issue.created_on.strftime('%Y-%m-%d %H:%M:%S')
      sheet1[count_row,9] = issue.fixed_version.try(:name)
      sheet1[count_row,10] = issue.start_date.nil? ? issue.start_date :  issue.start_date.strftime('%Y-%m-%d')
      sheet1[count_row,11] = issue.due_date.nil? ? issue.due_date : issue.due_date.strftime('%Y-%m-%d')
      sheet1[count_row,12] = issue_ratio_change(issue.done_ratio, issue.status_id)
      count_row += 1
    end
    book.write xls_report
    xls_report.string
  end

  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