# frozen_string_literal: true

# Redmine - project management software
# Copyright (C) 2006-  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 TrackersController < ApplicationController
  layout 'admin'
  self.main_menu = false

  before_action :require_admin, :except => :index
  before_action :require_admin_or_api_request, :only => :index
  accept_api_auth :index

  def index
    @trackers = Tracker.sorted.preload(:default_status).to_a
    respond_to do |format|
      format.html {render :layout => false if request.xhr?}
      format.api
    end
  end

  def new
    @tracker ||= Tracker.new(:default_status => IssueStatus.sorted.first)
    @tracker.safe_attributes = params[:tracker]
    if params[:copy].present? && @copy_from = Tracker.find_by_id(params[:copy])
      @tracker.copy_from(@copy_from)
    end
    @trackers = Tracker.sorted.to_a
    @projects = Project.all
  end

  def create
    @tracker = Tracker.new
    @tracker.safe_attributes = params[:tracker]
    if @tracker.save
      # workflow copy
      if params[:copy_workflow_from].present? && (copy_from = Tracker.find_by_id(params[:copy_workflow_from]))
        @tracker.copy_workflow_rules(copy_from)
      end
      flash[:notice] = l(:notice_successful_create)
      redirect_to trackers_path
      return
    end
    new
    render :action => 'new'
  end

  def edit
    @tracker ||= Tracker.find(params[:id])
    @projects = Project.all
  end

  def update
    @tracker = Tracker.find(params[:id])
    @tracker.safe_attributes = params[:tracker]
    if @tracker.save
      respond_to do |format|
        format.html do
          flash[:notice] = l(:notice_successful_update)
          redirect_to trackers_path(:page => params[:page])
        end
        format.js {head :ok}
      end
    else
      respond_to do |format|
        format.html do
          edit
          render :action => 'edit'
        end
        format.js {head :unprocessable_content}
      end
    end
  end

  def destroy
    @tracker = Tracker.find(params[:id])
    if @tracker.issues.empty?
      @tracker.destroy
      redirect_to trackers_path
    else
      projects = Project.joins(:issues).where(issues: {tracker_id: @tracker.id}).sorted.distinct
      links = projects.map do |p|
        view_context.link_to(p, project_issues_path(p, set_filter: 1, tracker_id: @tracker.id, status_id: '*'))
      end.join(', ')
      flash.now[:error] = l(:error_can_not_delete_tracker_html, projects: links.html_safe)
      @trackers = Tracker.sorted.preload(:default_status).to_a
      render :index
    end
  end

  def fields
    if request.post? && params[:trackers]
      params[:trackers].each do |tracker_id, tracker_params|
        tracker = Tracker.find_by_id(tracker_id)
        if tracker
          tracker.core_fields = tracker_params[:core_fields]
          tracker.custom_field_ids = tracker_params[:custom_field_ids]
          tracker.save
        end
      end
      flash[:notice] = l(:notice_successful_update)
      redirect_to fields_trackers_path
      return
    end
    @trackers = Tracker.sorted.to_a
    @custom_fields = IssueCustomField.sorted
  end
end
