# This file is a part of Redmine People (redmine_people) plugin,
# humanr resources management plugin for Redmine
#
# Copyright (C) 2011-2023 RedmineUP
# http://www.redmineup.com/
#
# redmine_people 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 3 of the License, or
# (at your option) any later version.
#
# redmine_people 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 redmine_people.  If not, see <http://www.gnu.org/licenses/>.

class DepartmentsController < ApplicationController
  unloadable

  before_action :find_department, :except => [:index, :create, :new, :org_chart]
  before_action :authorize_people, :except => [:index, :show, :load_tab, :autocomplete_for_person, :org_chart]
  before_action :load_department_events, :load_department_attachments, :only => [:show, :load_tab]

  helper :attachments

  def index
    @departments = Department.all
  end

  def edit
  end

  def new
    @department = Department.new
  end

  def show
  end

  def update
    @department.safe_attributes = params[:department]

    if @department.save
      @department.head.department = @department if @department.head

      attachments = Attachment.attach_files(@department, params.respond_to?(:to_unsafe_hash) ? params.to_unsafe_hash['attachments'] : params['attachments'])
      render_attachment_warning_if_needed(@department)

      respond_to do |format|
        format.html { redirect_to :action => 'show', :id => @department }
        format.api  { head :ok }
      end
    else
      respond_to do |format|
        format.html { render :action => 'edit' }
        format.api  { render_validation_errors(@department) }
      end
    end
  end

  def destroy
    if @department.destroy
      flash[:notice] = l(:notice_successful_delete)
      if params[:from] == 'people_settings'
        respond_to do |format|
          format.html { redirect_to :controller => 'people_settings', :action => 'index', :tab => 'departments' }
          format.api { render_api_ok }
        end
      else
        redirect_to :action => 'index'
      end
    else
      flash[:error] = l(:notice_unsuccessful_save)
    end
  end

  def create
    @department = Department.new
    @department.safe_attributes = params[:department]

    if @department.save
      @department.head.department = @department if @department.head

      respond_to do |format|
        format.html { redirect_to :action => 'show', :id => @department }
        # format.html { redirect_to :controller => "people_settings", :action => "index", :tab => "departments" }
        format.api  { head :ok }
      end
    else
      respond_to do |format|
        format.html { render :action => 'new' }
        format.api  { render_validation_errors(@department) }
      end
    end
  end

  def add_people
    @people = PeopleInformation.where(:user_id => params[:person_id] || params[:person_ids])
    @department.people_information << @people if request.post?
    respond_to do |format|
      format.html { redirect_to :controller => 'departments', :action => 'edit', :id => @department, :tab => 'people' }
      format.js
      format.api { render_api_ok }
    end
  end

  def remove_person
    @department.people_information.delete(PeopleInformation.find(params[:person_id])) if request.delete?
    respond_to do |format|
      format.html { redirect_to :controller => 'departments', :action => 'edit', :id => @department, :tab => 'people' }
      format.js
      format.api { render_api_ok }
    end
  end

  def autocomplete_for_person
    @people = Person.active.where(:type => 'User').not_in_department(@department).like(params[:q]).limit(100)
    render :layout => false
  end

  def load_tab
  end

  def org_chart
    User.current.allowed_people_to?(:manage_departments, @person) ||
    User.current.allowed_people_to?(:view_people, @person) ||
    deny_access
  end

  private

  def find_department
    @department = Department.find(params[:id])
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  def authorize_people
    User.current.allowed_people_to?(:manage_departments, @person) || deny_access
  end

  def load_department_attachments
    @department_attachments = @department.attachments
  end

  def load_department_events
    events = Redmine::Activity::CrmFetcher.new(User.current, :author => @department.people_of_branch_department).events(nil, nil, :limit => 10)
    @events_by_day = events.group_by(&:event_date)
  end
end