#-- encoding: UTF-8

#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2018 the OpenProject Foundation (OPF)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2017 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# 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.
#
# See docs/COPYRIGHT.rdoc for more details.
#++

module WorkPackagesFilterHelper
  # General
  def project_property_path(project, property, property_id, options = {})
    query = {
      f: [
        filter_object(property, '=', property_id)
      ],
      t: default_sort
    }
    project_work_packages_with_query_path(project, query, options)
  end

  # Links for my page
  def work_packages_assigned_to_me_path(options = {})
    query = {
      f: [
        filter_object('assigned_to_id', '=', 'me'),
        filter_object('status_id', 'o')
      ],
      t: 'priority:desc,updated_at:desc'
    }
    work_packages_with_query_path(query, options)
  end

  def work_packages_reported_by_me_path(options = {})
    query = {
      f: [
        filter_object('author_id', '=', 'me'),
        filter_object('status_id', '*')
      ],
      t: 'updated_at:desc'
    }
    work_packages_with_query_path(query, options)
  end

  def work_packages_responsible_for_path(options = {})
    query = {
      f: [
        filter_object('responsible_id', '=', 'me'),
        filter_object('status_id', 'o')
      ],
      t: 'priority:desc,updated_at:desc'
    }
    work_packages_with_query_path(query, options)
  end

  def work_packages_watched_path(options = {})
    query = {
      f: [
        filter_object('watcher_id', '=', 'me'),
        filter_object('status_id', 'o')
      ],
      t: 'updated_at:desc'
    }
    work_packages_with_query_path(query, options)
  end

  # Links for My Project Page plugin

  def project_work_packages_assigned_to_me_path(project, options = {})
    query = {
      f: [
        filter_object('assigned_to_id', '=', 'me'),
        filter_object('status_id', 'o')
      ],
      t: 'priority:desc,updated_at:desc'
    }
    project_work_packages_with_query_path(project, query, options)
  end

  def project_work_packages_reported_by_me_path(project, options = {})
    query = {
      f: [
        filter_object('author_id', '=', 'me'),
        filter_object('status_id', '*')
      ],
      t: 'updated_at:desc'
    }
    project_work_packages_with_query_path(project, query, options)
  end

  def project_work_packages_responsible_for_path(project, options = {})
    query = {
      f: [
        filter_object('responsible_id', '=', 'me'),
        filter_object('status_id', 'o')
      ],
      t: 'priority:desc,updated_at:desc'
    }
    project_work_packages_with_query_path(project, query, options)
  end

  def project_work_packages_watched_path(project, options = {})
    query = {
      f: [
        filter_object('watcher_id', '=', 'me'),
        filter_object('status_id', 'o')
      ],
      t: 'updated_at:desc'
    }
    project_work_packages_with_query_path(project, query, options)
  end

  # Links for project overview
  def project_work_packages_closed_version_path(version, options = {})
    query = {
      f: [
        filter_object('status_id', 'c'),
        filter_object('fixed_version_id', '=', version.id)
      ]
    }
    project_work_packages_with_query_path(version.project, query, options)
  end

  def project_work_packages_open_version_path(version, options = {})
    query = {
      f: [
        filter_object('status_id', 'o'),
        filter_object('fixed_version_id', '=', version.id)
      ]
    }
    project_work_packages_with_query_path(version.project, query, options)
  end

  # Links for reports

  def project_report_property_path(project, property_name, property_id, options = {})
    query = {
      f: [
        filter_object('status_id', '*'),
        filter_object('subproject_id', '!*'),
        filter_object(property_name, '=', property_id)
      ],
      t: default_sort
    }
    project_work_packages_with_query_path(project, query, options)
  end

  def project_report_property_status_path(project, status_id, property, property_id, options = {})
    query = {
      f: [
        filter_object('status_id', '=', status_id),
        filter_object('subproject_id', '!*'),
        filter_object(property, '=', property_id)
      ],
      t: default_sort
    }
    project_work_packages_with_query_path(project, query, options)
  end

  def project_report_property_open_path(project, property, property_id, options = {})
    query = {
      f: [
        filter_object('status_id', 'o'),
        filter_object('subproject_id', '!*'),
        filter_object(property, '=', property_id)
      ],
      t: default_sort
    }
    project_work_packages_with_query_path(project, query, options)
  end

  def project_report_property_closed_path(project, property, property_id, options = {})
    query = {
      f: [
        filter_object('status_id', 'c'),
        filter_object('subproject_id', '!*'),
        filter_object(property, '=', property_id)
      ],
      t: default_sort
    }
    project_work_packages_with_query_path(project, query, options)
  end

  def project_version_property_path(version, property_name, property_id, options = {})
    query = {
      f: [
        filter_object('status_id', '*'),
        filter_object('fixed_version_id', '=', version.id),
        filter_object(property_name, '=', property_id)
      ],
      t: default_sort
    }
    project_work_packages_with_query_path(version.project, query, options)
  end

  private

  def default_sort
    'updated_at:desc'
  end

  def work_packages_with_query_path(query, options = {})
    work_packages_path(options.reverse_merge!(query_props: query.to_json))
  end

  def project_work_packages_with_query_path(project, query, options = {})
    project_work_packages_path(project, options.reverse_merge!(query_props: query.to_json))
  end

  def filter_object(property, operator, values = nil)
    v3_property = API::Utilities::PropertyNameConverter.from_ar_name(property)
    values = filter_values(values) if values

    {
      n: v3_property,
      o: operator,
      v: values
    }.compact
  end

  def filter_values(values)
    if values.is_a? Array
      values.map(&:to_s)
    else
      values.to_s
    end
  end
end
