class TournamentParticipant < ApplicationRecord
  include Brandable

  belongs_to :tournament
  belongs_to :group, class_name: "TournamentGroup", optional: true
  belongs_to :source_team, class_name: "Team", optional: true
  has_many :home_matches, class_name: "Match", foreign_key: :home_participant_id, dependent: :nullify
  has_many :away_matches, class_name: "Match", foreign_key: :away_participant_id, dependent: :nullify

  validates :name, presence: true
  validates :position, numericality: { only_integer: true, greater_than_or_equal_to: 0 }

  after_update :sync_related_match_names, if: :saved_change_to_name?

  def branding_parent
    source_team || tournament
  end

  def effective_logo_url
    if logo_file.attached?
      Rails.application.routes.url_helpers.rails_blob_path(logo_file, only_path: true)
    elsif logo_url.present?
      logo_url
    else
      source_team&.effective_logo_url
    end
  end

  private

  def sync_related_match_names
    Match.where(home_participant_id: id).or(Match.where(away_participant_id: id)).find_each(&:save!)
  end
end