# encoding: utf-8
#
# Redmine - project management software
# Copyright (C) 2006-2009  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.

require File.dirname(__FILE__) + '/../test_helper'

class MailHandlerTest < ActiveSupport::TestCase
  fixtures :users, :projects, 
                   :enabled_modules,
                   :roles,
                   :members,
                   :member_roles,
                   :issues,
                   :issue_statuses,
                   :workflows,
                   :trackers,
                   :projects_trackers,
                   :enumerations,
                   :issue_categories,
                   :custom_fields,
                   :custom_fields_trackers,
                   :boards,
                   :messages
  
  FIXTURES_PATH = File.dirname(__FILE__) + '/../fixtures/mail_handler'
  
  def setup
    ActionMailer::Base.deliveries.clear
  end
  
  def test_add_issue
    ActionMailer::Base.deliveries.clear
    # This email contains: 'Project: onlinestore'
    issue = submit_email('ticket_on_given_project.eml')
    assert issue.is_a?(Issue)
    assert !issue.new_record?
    issue.reload
    assert_equal 'New ticket on a given project', issue.subject
    assert_equal User.find_by_login('jsmith'), issue.author
    assert_equal Project.find(2), issue.project
    assert_equal IssueStatus.find_by_name('Resolved'), issue.status
    assert issue.description.include?('Lorem ipsum dolor sit amet, consectetuer adipiscing elit.')
    assert_equal '2010-01-01', issue.start_date.to_s
    assert_equal '2010-12-31', issue.due_date.to_s
    assert_equal User.find_by_login('jsmith'), issue.assigned_to
    # keywords should be removed from the email body
    assert !issue.description.match(/^Project:/i)
    assert !issue.description.match(/^Status:/i)
    # Email notification should be sent
    mail = ActionMailer::Base.deliveries.last
    assert_not_nil mail
    assert mail.subject.include?('New ticket on a given project')
  end

  def test_add_issue_with_status
    # This email contains: 'Project: onlinestore' and 'Status: Resolved'
    issue = submit_email('ticket_on_given_project.eml')
    assert issue.is_a?(Issue)
    assert !issue.new_record?
    issue.reload
    assert_equal Project.find(2), issue.project
    assert_equal IssueStatus.find_by_name("Resolved"), issue.status
  end
  
  def test_add_issue_with_attributes_override
    issue = submit_email('ticket_with_attributes.eml', :allow_override => 'tracker,category,priority')
    assert issue.is_a?(Issue)
    assert !issue.new_record?
    issue.reload
    assert_equal 'New ticket on a given project', issue.subject
    assert_equal User.find_by_login('jsmith'), issue.author
    assert_equal Project.find(2), issue.project
    assert_equal 'Feature request', issue.tracker.to_s
    assert_equal 'Stock management', issue.category.to_s
    assert_equal 'Urgent', issue.priority.to_s
    assert issue.description.include?('Lorem ipsum dolor sit amet, consectetuer adipiscing elit.')
  end
  
  def test_add_issue_with_partial_attributes_override
    issue = submit_email('ticket_with_attributes.eml', :issue => {:priority => 'High'}, :allow_override => ['tracker'])
    assert issue.is_a?(Issue)
    assert !issue.new_record?
    issue.reload
    assert_equal 'New ticket on a given project', issue.subject
    assert_equal User.find_by_login('jsmith'), issue.author
    assert_equal Project.find(2), issue.project
    assert_equal 'Feature request', issue.tracker.to_s
    assert_nil issue.category
    assert_equal 'High', issue.priority.to_s
    assert issue.description.include?('Lorem ipsum dolor sit amet, consectetuer adipiscing elit.')
  end
  
  def test_add_issue_with_spaces_between_attribute_and_separator
    issue = submit_email('ticket_with_spaces_between_attribute_and_separator.eml', :allow_override => 'tracker,category,priority')
    assert issue.is_a?(Issue)
    assert !issue.new_record?
    issue.reload
    assert_equal 'New ticket on a given project', issue.subject
    assert_equal User.find_by_login('jsmith'), issue.author
    assert_equal Project.find(2), issue.project
    assert_equal 'Feature request', issue.tracker.to_s
    assert_equal 'Stock management', issue.category.to_s
    assert_equal 'Urgent', issue.priority.to_s
    assert issue.description.include?('Lorem ipsum dolor sit amet, consectetuer adipiscing elit.')
  end

  
  def test_add_issue_with_attachment_to_specific_project
    issue = submit_email('ticket_with_attachment.eml', :issue => {:project => 'onlinestore'})
    assert issue.is_a?(Issue)
    assert !issue.new_record?
    issue.reload
    assert_equal 'Ticket created by email with attachment', issue.subject
    assert_equal User.find_by_login('jsmith'), issue.author
    assert_equal Project.find(2), issue.project
    assert_equal 'This is  a new ticket with attachments', issue.description
    # Attachment properties
    assert_equal 1, issue.attachments.size
    assert_equal 'Paella.jpg', issue.attachments.first.filename
    assert_equal 'image/jpeg', issue.attachments.first.content_type
    assert_equal 10790, issue.attachments.first.filesize
  end
  
  def test_add_issue_with_custom_fields
    issue = submit_email('ticket_with_custom_fields.eml', :issue => {:project => 'onlinestore'})
    assert issue.is_a?(Issue)
    assert !issue.new_record?
    issue.reload
    assert_equal 'New ticket with custom field values', issue.subject
    assert_equal 'Value for a custom field', issue.custom_value_for(CustomField.find_by_name('Searchable field')).value
    assert !issue.description.match(/^searchable field:/i)
  end
  
  def test_add_issue_with_cc
    issue = submit_email('ticket_with_cc.eml', :issue => {:project => 'ecookbook'})
    assert issue.is_a?(Issue)
    assert !issue.new_record?
    issue.reload
    assert issue.watched_by?(User.find_by_mail('dlopper@somenet.foo'))
    assert_equal 1, issue.watchers.size
  end
  
  def test_add_issue_by_unknown_user
    assert_no_difference 'User.count' do
      assert_equal false, submit_email('ticket_by_unknown_user.eml', :issue => {:project => 'ecookbook'})
    end
  end
  
  def test_add_issue_by_anonymous_user
    Role.anonymous.add_permission!(:add_issues)
    assert_no_difference 'User.count' do
      issue = submit_email('ticket_by_unknown_user.eml', :issue => {:project => 'ecookbook'}, :unknown_user => 'accept')
      assert issue.is_a?(Issue)
      assert issue.author.anonymous?
    end
  end

  def test_add_issue_by_anonymous_user_with_no_from_address
    Role.anonymous.add_permission!(:add_issues)
    assert_no_difference 'User.count' do
      issue = submit_email('ticket_by_empty_user.eml', :issue => {:project => 'ecookbook'}, :unknown_user => 'accept')
      assert issue.is_a?(Issue)
      assert issue.author.anonymous?
    end
  end
  
  def test_add_issue_by_anonymous_user_on_private_project
    Role.anonymous.add_permission!(:add_issues)
    assert_no_difference 'User.count' do
      assert_no_difference 'Issue.count' do
        assert_equal false, submit_email('ticket_by_unknown_user.eml', :issue => {:project => 'onlinestore'}, :unknown_user => 'accept')
      end
    end
  end
  
  def test_add_issue_by_anonymous_user_on_private_project_without_permission_check
    assert_no_difference 'User.count' do
      assert_difference 'Issue.count' do
        issue = submit_email('ticket_by_unknown_user.eml', :issue => {:project => 'onlinestore'}, :no_permission_check => '1', :unknown_user => 'accept')
        assert issue.is_a?(Issue)
        assert issue.author.anonymous?
        assert !issue.project.is_public?
      end
    end
  end
  
  def test_add_issue_by_created_user
    Setting.default_language = 'en'
    assert_difference 'User.count' do
      issue = submit_email('ticket_by_unknown_user.eml', :issue => {:project => 'ecookbook'}, :unknown_user => 'create')
      assert issue.is_a?(Issue)
      assert issue.author.active?
      assert_equal 'john.doe@somenet.foo', issue.author.mail
      assert_equal 'John', issue.author.firstname
      assert_equal 'Doe', issue.author.lastname
    
      # account information
      email = ActionMailer::Base.deliveries.first
      assert_not_nil email
      assert email.subject.include?('account activation')
      login = email.body.match(/\* Login: (.*)$/)[1]
      password = email.body.match(/\* Password: (.*)$/)[1]
      assert_equal issue.author, User.try_to_login(login, password)
    end
  end
  
  def test_add_issue_without_from_header
    Role.anonymous.add_permission!(:add_issues)
    assert_equal false, submit_email('ticket_without_from_header.eml')
  end
  
  def test_add_issue_with_japanese_keywords
    tracker = Tracker.create!(:name => '開発')
    Project.find(1).trackers << tracker
    issue = submit_email('japanese_keywords_iso_2022_jp.eml', :issue => {:project => 'ecookbook'}, :allow_override => 'tracker')
    assert_kind_of Issue, issue
    assert_equal tracker, issue.tracker
  end

  def test_should_ignore_emails_from_emission_address
    Role.anonymous.add_permission!(:add_issues)
    assert_no_difference 'User.count' do
      assert_equal false, submit_email('ticket_from_emission_address.eml', :issue => {:project => 'ecookbook'}, :unknown_user => 'create')
    end
  end

  def test_add_issue_should_send_email_notification
    ActionMailer::Base.deliveries.clear
    # This email contains: 'Project: onlinestore'
    issue = submit_email('ticket_on_given_project.eml')
    assert issue.is_a?(Issue)
    assert_equal 1, ActionMailer::Base.deliveries.size
  end
  
  def test_add_issue_note
    journal = submit_email('ticket_reply.eml')
    assert journal.is_a?(Journal)
    assert_equal User.find_by_login('jsmith'), journal.user
    assert_equal Issue.find(2), journal.journalized
    assert_match /This is reply/, journal.notes
  end

  def test_add_issue_note_with_attribute_changes
    # This email contains: 'Status: Resolved'
    journal = submit_email('ticket_reply_with_status.eml')
    assert journal.is_a?(Journal)
    issue = Issue.find(journal.issue.id)
    assert_equal User.find_by_login('jsmith'), journal.user
    assert_equal Issue.find(2), journal.journalized
    assert_match /This is reply/, journal.notes
    assert_equal IssueStatus.find_by_name("Resolved"), issue.status
    assert_equal '2010-01-01', issue.start_date.to_s
    assert_equal '2010-12-31', issue.due_date.to_s
    assert_equal User.find_by_login('jsmith'), issue.assigned_to
  end

  def test_add_issue_note_should_send_email_notification
    ActionMailer::Base.deliveries.clear
    journal = submit_email('ticket_reply.eml')
    assert journal.is_a?(Journal)
    assert_equal 1, ActionMailer::Base.deliveries.size
  end
  
  def test_reply_to_a_message
    m = submit_email('message_reply.eml')
    assert m.is_a?(Message)
    assert !m.new_record?
    m.reload
    assert_equal 'Reply via email', m.subject
    # The email replies to message #2 which is part of the thread of message #1
    assert_equal Message.find(1), m.parent
  end
  
  def test_reply_to_a_message_by_subject
    m = submit_email('message_reply_by_subject.eml')
    assert m.is_a?(Message)
    assert !m.new_record?
    m.reload
    assert_equal 'Reply to the first post', m.subject
    assert_equal Message.find(1), m.parent
  end
  
  def test_should_strip_tags_of_html_only_emails
    issue = submit_email('ticket_html_only.eml', :issue => {:project => 'ecookbook'})
    assert issue.is_a?(Issue)
    assert !issue.new_record?
    issue.reload
    assert_equal 'HTML email', issue.subject
    assert_equal 'This is a html-only email.', issue.description
  end

  context "truncate emails based on the Setting" do
    context "with no setting" do
      setup do
        Setting.mail_handler_body_delimiters = ''
      end

      should "add the entire email into the issue" do
        issue = submit_email('ticket_on_given_project.eml')
        assert_issue_created(issue)
        assert issue.description.include?('---')
        assert issue.description.include?('This paragraph is after the delimiter')
      end
    end

    context "with a single string" do
      setup do
        Setting.mail_handler_body_delimiters = '---'
      end

      should "truncate the email at the delimiter for the issue" do
        issue = submit_email('ticket_on_given_project.eml')
        assert_issue_created(issue)
        assert issue.description.include?('This paragraph is before delimiters')
        assert issue.description.include?('--- This line starts with a delimiter')
        assert !issue.description.match(/^---$/)
        assert !issue.description.include?('This paragraph is after the delimiter')
      end
    end

    context "with multiple strings" do
      setup do
        Setting.mail_handler_body_delimiters = "---\nBREAK"
      end

      should "truncate the email at the first delimiter found (BREAK)" do
        issue = submit_email('ticket_on_given_project.eml')
        assert_issue_created(issue)
        assert issue.description.include?('This paragraph is before delimiters')
        assert !issue.description.include?('BREAK')
        assert !issue.description.include?('This paragraph is between delimiters')
        assert !issue.description.match(/^---$/)
        assert !issue.description.include?('This paragraph is after the delimiter')
      end
    end
  end
  
  def test_email_with_long_subject_line
    issue = submit_email('ticket_with_long_subject.eml')
    assert issue.is_a?(Issue)
    assert_equal issue.subject, 'New ticket on a given project with a very long subject line which exceeds 255 chars and should not be ignored but chopped off. And if the subject line is still not long enough, we just add more text. And more text. Wow, this is really annoying. Especially, if you have nothing to say...'[0,255]
  end

  private
  
  def submit_email(filename, options={})
    raw = IO.read(File.join(FIXTURES_PATH, filename))
    MailHandler.receive(raw, options)
  end

  def assert_issue_created(issue)
    assert issue.is_a?(Issue)
    assert !issue.new_record?
    issue.reload
  end
end