#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) the OpenProject GmbH
#
# 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) 2006-2013 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 COPYRIGHT and LICENSE files for more details.
#++

require "open_project/plugins"

require_relative "patches/api/work_package_representer"
require_relative "notification_handlers"
require_relative "hook_handler"
require_relative "services"

module OpenProject::GiteaIntegration
  class Engine < ::Rails::Engine
    engine_name :openproject_gitea_integration

    include OpenProject::Plugins::ActsAsOpEngine

    def self.settings
      {
        default: {
          "gitea_user_id" => nil,
          "webhook_secret" => nil
        }
      }
    end

    register "openproject-gitea_integration",
             author_url: "https://www.openproject.org",
             bundled: false,
             settings: do
      ::Redmine::MenuManager.map(:admin_menu) do |menu|
        menu.push :admin_gitea_integration,
                  { controller: "/gitea_integration/admin/settings", action: "show" },
                  parent: :admin_integrations,
                  if: ->(_) { User.current.admin? },
                  caption: "Gitea",
                  icon: :"op-logo-gitea"
      end

      project_module(:gitea, dependencies: :work_package_tracking) do
        permission(:show_gitea_content,
                   {},
                   permissible_on: %i[work_package project])
      end

      menu :work_package_split_view,
           :gitea,
           { tab: :gitea },
           if: ->(project) {
             User.current.allowed_in_project?(:show_gitea_content, project)
           },
           skip_permissions_check: true,
           badge: ->(work_package:, **) {
             work_package.gitea_pull_requests.count
           },
           before: :watchers,
           caption: :project_module_gitea
    end

    patches %w[WorkPackage]

    initializer "gitea.register_hook" do
      ::OpenProject::Webhooks.register_hook "gitea" do |hook, environment, params, user|
        HookHandler.new.process(hook, environment, params, user)
      end
    end

    initializer "gitea.subscribe_to_notifications" do
      ::OpenProject::Notifications.subscribe("gitea.pull_request",
                                             &NotificationHandlers.method(:pull_request))
      ::OpenProject::Notifications.subscribe("gitea.issue_comment",
                                             &NotificationHandlers.method(:issue_comment))
    end

    extend_api_response(:v3, :work_packages, :work_package,
                        &::OpenProject::GiteaIntegration::Patches::API::WorkPackageRepresenter.extension)

    add_api_path :gitea_pull_requests_by_work_package do |id|
      "#{work_package(id)}/gitea_pull_requests"
    end

    add_api_path :gitea_user do |id|
      "gitea_users/#{id}"
    end

    add_api_endpoint "API::V3::WorkPackages::WorkPackagesAPI", :id do
      mount ::API::V3::GiteaPullRequests::GiteaPullRequestsByWorkPackageAPI
    end

    add_cron_jobs do
      {
        "Cron::ClearOldGiteaPullRequestsJob": {
          cron: "25 1 * * *",
          class: ::Cron::ClearOldGiteaPullRequestsJob.name
        }
      }
    end
  end
end