# frozen_string_literal: true

module Repositories
  class MultipleShareUpdateService
    extend Service
    include Canaid::Helpers::PermissionsHelper

    attr_reader :repository, :user, :warnings, :errors

    def initialize(repository:,
                   user:,
                   team:,
                   team_ids_for_share: [],
                   team_ids_for_unshare: [],
                   team_ids_for_update: [],
                   shared_with_all: nil,
                   shared_permissions_level: nil)
      @repository = repository
      @user = user
      @team = team
      @team_ids_for_share = team_ids_for_share
      @team_ids_for_unshare = team_ids_for_unshare
      @team_ids_for_update = team_ids_for_update
      @errors = {}
      @warnings = []
      @shared_with_all = shared_with_all
      @shared_permission_level = shared_permissions_level
    end

    def call
      return self unless valid?

      if !@shared_with_all.nil? && !@shared_permission_level.nil?
        old_permission_level = @repository.permission_level
        @repository.permission_level = @shared_with_all ? @shared_permission_level : :not_shared
        if @repository.changed? && @repository.save
          log_activity_share_all(@repository.permission_level, old_permission_level, @repository)
        end
      end

      @team_ids_for_share.each do |share|
        team_shared_object =
          @repository.team_shared_objects.new(team_id: share[:id], permission_level: share[:permission_level])

        if team_shared_object.save
          log_activity(:share_inventory, team_shared_object)
        else
          warnings << I18n.t('repositories.multiple_share_service.unable_to_share',
                             repository: @repository.name, team: share[:id])
        end
      end

      @team_ids_for_unshare.each do |team_id|
        @repository.transaction do
          team_shared_object = @repository.team_shared_objects.find_by!(team_id: team_id)
          log_activity(:unshare_inventory, team_shared_object)
          team_shared_object.destroy!
        rescue StandardError => e
          Rails.logger.error(e.message)
          Rails.logger.error(e.backtrace.join("\n"))
          warnings << I18n.t('repositories.multiple_share_service.unable_to_unshare',
                             repository: @repository.name, team: team_id)
          raise ActiveRecord::Rollback
        end
      end

      @team_ids_for_update.each do |update|
        team_shared_object = @repository.team_shared_objects.find_by(team_id: update[:id])
        team_shared_object.permission_level = update[:permission_level] if team_shared_object

        if team_shared_object&.save
          log_activity(:update_share_inventory, team_shared_object)
        else
          warnings << I18n.t('repositories.multiple_share_service.unable_to_update',
                             repository: @repository.name, team: update[:id])
        end
      end

      self
    end

    def succeed?
      @errors.none?
    end

    private

    def valid?
      unless @user && @repository
        @errors[:invalid_arguments] =
          { 'repository': @repository,
            'user': @user,
            'team': @team }
          .map do |key, value|
            I18n.t('repositories.multiple_share_service.invalid_arguments', key: key.capitalize) if value.nil?
          end.compact
        return false
      end
      true
    end

    def log_activity(type_of, team_shared_object)
      Activities::CreateActivityService
        .call(activity_type: type_of,
              owner: @user,
              subject: team_shared_object.shared_object,
              team: @team,
              message_items: { repository: team_shared_object.shared_object.id,
                               team: team_shared_object.team.id,
                               permission_level:
                                 Extends::SHARED_INVENTORIES_PL_MAPPINGS[team_shared_object.permission_level.to_sym] })
    end

    def log_activity_share_all(permission_level, old_permission_level, repository)
      type = case permission_level.to_sym
             when :shared_read, :shared_write
               if old_permission_level.to_sym == :not_shared
                 :share_inventory_with_all
               else
                 :update_share_with_all_permission_level
               end
             when :not_shared
               :unshare_inventory_with_all
             end

      Activities::CreateActivityService
        .call(activity_type: type,
              owner: @user,
              subject: repository,
              team: @team,
              message_items: { repository: repository.id,
                               team: @team.id,
                               permission_level:
                                 Extends::SHARED_INVENTORIES_PL_MAPPINGS[repository.permission_level.to_sym] })
    end
  end
end