# frozen_string_literal: true

module Admin
  class UpdateClubData
    class Error < StandardError; end

    def self.call(**kwargs)
      new(**kwargs).call
    end

    def initialize(club:, club_attrs:, owner_attrs: {}, staff_attrs: {}, invitation_attrs: {}, team_attrs: {})
      @club = club
      @club_attrs = club_attrs.to_h
      @owner_attrs = owner_attrs.to_h
      @staff_attrs = staff_attrs.to_h
      @invitation_attrs = invitation_attrs.to_h
      @team_attrs = team_attrs.to_h
    end

    def call
      ActiveRecord::Base.transaction do
        update_club!
        update_owner!
        update_staff!
        update_invitations!
        update_teams!
      end
      @club.reload
    end

    private

    def update_club!
      attrs = @club_attrs.dup
      if attrs[:sport].present?
        attrs[:sport] = Sports::Catalog.normalize_key(attrs[:sport])
      end
      %i[primary_color secondary_color].each do |key|
        next unless attrs.key?(key)

        attrs[key] = normalize_hex(attrs[key], key == :primary_color ? "#e53935" : "#ffffff")
      end
      %i[
        billing_legal_name billing_vat_number billing_fiscal_code billing_email billing_phone
        billing_address_line billing_city billing_province billing_postal_code billing_country
        billing_recipient_code billing_pec logo_url
      ].each do |key|
        next unless attrs.key?(key)

        attrs[key] = attrs[key].to_s.strip.presence
      end
      if attrs[:billing_province].present?
        attrs[:billing_province] = attrs[:billing_province].to_s.upcase
      end
      if attrs[:billing_country].present?
        attrs[:billing_country] = attrs[:billing_country].to_s.upcase
      end
      if attrs[:billing_recipient_code].present?
        attrs[:billing_recipient_code] = attrs[:billing_recipient_code].to_s.upcase
      end

      @club.assign_attributes(attrs)
      @club.save!
    rescue ActiveRecord::RecordInvalid => e
      raise Error, e.record.errors.full_messages.join(", ")
    end

    def update_owner!
      return if @owner_attrs.blank?

      owner = @club.owner
      raise Error, I18n.t("admin.clubs.edit.errors.owner_missing") if owner.blank?

      update_user!(owner, @owner_attrs)
    end

    def update_staff!
      return if @staff_attrs.blank?

      allowed_ids = staff_users.index_by(&:id)
      @staff_attrs.each do |user_id, attrs|
        user = allowed_ids[user_id.to_s] || allowed_ids[user_id]
        next unless user

        update_user!(user, attrs)
      end
    end

    def update_invitations!
      return if @invitation_attrs.blank?

      pending = TeamInvitation.pending.where(team_id: @club.teams.select(:id)).index_by { |inv| inv.id.to_s }
      @invitation_attrs.each do |invitation_id, attrs|
        invitation = pending[invitation_id.to_s]
        next unless invitation

        email = attrs[:email].to_s.strip.presence
        next if email.blank?

        invitation.update!(email: email)
      rescue ActiveRecord::RecordInvalid => e
        raise Error, e.record.errors.full_messages.join(", ")
      end
    end

    def update_teams!
      return if @team_attrs.blank?

      teams = @club.teams.index_by { |t| t.id.to_s }
      @team_attrs.each do |team_id, attrs|
        team = teams[team_id.to_s]
        next unless team

        updates = {}
        updates[:name] = attrs[:name].to_s.strip if attrs.key?(:name) && attrs[:name].present?
        if attrs[:sport].present?
          updates[:sport] = Sports::Catalog.normalize_key(attrs[:sport])
        end
        next if updates.empty?

        team.update!(updates)
      rescue ActiveRecord::RecordInvalid => e
        raise Error, e.record.errors.full_messages.join(", ")
      end
    end

    def update_user!(user, attrs)
      updates = {}
      updates[:name] = attrs[:name].to_s.strip if attrs.key?(:name) && attrs[:name].present?
      if attrs.key?(:email)
        email = attrs[:email].to_s.strip.presence
        updates[:email] = email if email.present?
      end
      return if updates.empty?

      user.update!(updates)
    rescue ActiveRecord::RecordInvalid => e
      raise Error, e.record.errors.full_messages.join(", ")
    rescue ActiveRecord::RecordNotUnique
      raise Error, I18n.t("admin.clubs.edit.errors.email_taken", email: updates[:email])
    end

    def staff_users
      User.joins(:user_teams).where(user_teams: { team_id: @club.teams.select(:id) }).distinct.to_a
    end

    def normalize_hex(value, fallback)
      raw = value.to_s.strip
      return fallback if raw.blank?
      return raw.downcase if raw.match?(/\A#[0-9a-fA-F]{6}\z/)
      return "##{raw.downcase}" if raw.match?(/\A[0-9a-fA-F]{6}\z/)

      fallback
    end
  end
end