class TeamMerger

# File app/lib/team_merger.rb, line 26
def initialize(source_teams:, new_team_attrs:)
  @source_teams = source_teams
  @new_team_attrs = new_team_attrs
end

# File app/lib/team_merger.rb, line 57
def call!
  raise Error, @errors.join("; ") unless valid?

  result =
    ActiveRecord::Base.transaction do
      merged_team = Team.create!(new_team_attrs)

      migrate_simple_tables(merged_team)
      migrate_batches(merged_team)
      migrate_archive_reasons(merged_team)
      migrate_important_notices(merged_team)
      migrate_subteams(merged_team)
      migrate_generic_locations(merged_team)
      migrate_team_locations(merged_team)
      migrate_teams_users(merged_team)

      Rails.logger.debug "Migrating patients..."
      PatientTeamUpdater.call(
        team_scope:
          Team.where(id: source_teams.map(&:id)).or(
            Team.where(id: merged_team.id)
          )
      )

      Rails.logger.debug "Destroying old teams..."
      source_teams.each(&:destroy!)
      merged_team
    end

  refresh_materialized_views
  result
end

# File app/lib/team_merger.rb, line 41
def dry_run
  @dry_run_report = []
  append_migration_counts
  append_batch_skips
  append_archive_reason_merges

  if valid?
    @dry_run_report << "Merge would succeed."
  else
    @dry_run_report << "Merge would ABORT with #{@errors.size} error(s):"
    @dry_run_report += @errors.map { "  ERROR: #{it}" }
  end

  @dry_run_report
end

# File app/lib/team_merger.rb, line 31
def valid?
  @errors = []
  validate_minimum_teams
  validate_same_organisation
  validate_same_type
  detect_subteam_conflicts
  detect_team_location_conflicts
  @errors.empty?
end