# frozen_string_literal: true

class SmsSettingsController < ApplicationController
  before_action :load_encrypted_config
  authorize_resource :encrypted_config, only: :index
  authorize_resource :encrypted_config, parent: false, only: %i[create test_message]

  def index; end

  def create
    new_value = build_sms_value

    if @encrypted_config.update(value: new_value)
      redirect_to settings_sms_path, notice: I18n.t('changes_have_been_saved')
    else
      render :index, status: :unprocessable_content
    end
  rescue StandardError => e
    flash[:alert] = e.message
    render :index, status: :unprocessable_content
  end

  def test_message
    to = params[:phone].to_s.strip
    if to.blank?
      flash[:alert] = 'Enter a phone number to test against.'
      return redirect_to(settings_sms_path)
    end

    Sms.send_message(account: current_account,
                     to: to,
                     text: "Test SMS from #{Wabosign.branded_product_name(current_account)}.")

    redirect_to settings_sms_path, notice: "Test SMS dispatched to #{to}."
  rescue Sms::Error => e
    redirect_to settings_sms_path, alert: "Test failed: #{e.message}"
  rescue StandardError => e
    redirect_to settings_sms_path, alert: "Unexpected error: #{e.message}"
  end

  private

  def load_encrypted_config
    @encrypted_config =
      EncryptedConfig.find_or_initialize_by(account: current_account,
                                            key: EncryptedConfig::SMS_CONFIGS_KEY)
  end

  def build_sms_value
    submitted = params.require(:encrypted_config).permit(value: {})[:value].to_h
    existing = @encrypted_config.value || {}

    # Preserve the saved Basic Auth token when the field is left blank
    # (the form never echoes it back, so an unedited submit would otherwise
    # wipe it out).
    submitted['basic_auth_token'] = existing['basic_auth_token'] if submitted['basic_auth_token'].to_s.empty?

    submitted['enabled'] = submitted['enabled'].to_s == '1' || submitted['enabled'].to_s == 'true'
    submitted['provider'] = (submitted['provider'].presence || 'bulkvs').to_s

    submitted.compact
  end
end