Add a test for email delivery

lib/tasks/mail_test.rake

@@ -0,0 +1,135 @@
+# frozen_string_literal: true
+
+namespace :mail do
+  desc 'Test SMTP configuration by sending a test email'
+  task test: :environment do
+    # Set mail-specific debugging
+    original_log_level = Rails.logger.level
+
+    # Enable verbose SMTP debugging
+    ActionMailer::Base.logger = Logger.new(STDOUT)
+    ActionMailer::Base.logger.level = Logger::DEBUG
+
+    # Enable SMTP protocol debugging - this will show actual SMTP commands
+    # Override the delivery method temporarily to enable debugging
+    ActionMailer::Base.delivery_method = :smtp
+    ActionMailer::Base.smtp_settings = Rails.application.config.action_mailer.smtp_settings.dup
+
+    # Monkey patch Net::SMTP to enable debugging
+    require 'net/smtp'
+
+    # Create a custom logger for SMTP debugging
+    smtp_debug_logger = Logger.new(STDOUT)
+    smtp_debug_logger.level = Logger::DEBUG
+
+    # Enable Net::SMTP debugging by setting debug_output
+    original_new = Net::SMTP.method(:new)
+    Net::SMTP.define_singleton_method(:new) do |address, port = nil|
+      smtp = original_new.call(address, port)
+      smtp.set_debug_output(STDOUT)
+      smtp
+    end
+
+    puts "=" * 50
+    puts "TESTING SMTP CONFIGURATION"
+    puts "=" * 50
+
+    # Display current SMTP settings (without password)
+    smtp_settings = Rails.application.config.action_mailer.smtp_settings.dup
+    smtp_settings[:password] = '[HIDDEN]' if smtp_settings[:password]
+    puts "SMTP Settings:"
+    smtp_settings.each do |key, value|
+      puts "  #{key}: #{value.inspect}"
+    end
+    puts
+
+    # Get test email addresses
+    from_email = ENV.fetch('OSEM_EMAIL_ADDRESS', 'noreply@example.com')
+    to_email = ENV['TEST_EMAIL_TO'] || from_email
+
+    puts "Sending test email..."
+    puts "From: #{from_email}"
+    puts "To: #{to_email}"
+    puts "Subject: OSEM SMTP Test - #{Time.current}"
+    puts
+
+    begin
+      # Create and send test email
+      ActionMailer::Base.mail(
+        from: from_email,
+        to: to_email,
+        subject: "OSEM SMTP Test - #{Time.current}",
+        body: <<~BODY
+          This is a test email from OSEM to verify SMTP configuration.
+
+          Configuration details:
+          - Server: #{smtp_settings[:address]}:#{smtp_settings[:port]}
+          - Authentication: #{smtp_settings[:authentication]}
+          - STARTTLS: #{smtp_settings[:enable_starttls_auto]}
+          - Domain: #{smtp_settings[:domain]}
+
+          Sent at: #{Time.current}
+
+          If you receive this email, your SMTP configuration is working correctly!
+        BODY
+      ).deliver_now
+
+      puts "✅ Email sent successfully!"
+      puts "Check your inbox at: #{to_email}"
+
+    rescue => e
+      puts "❌ Error sending email:"
+      puts "#{e.class}: #{e.message}"
+      puts
+      puts "Backtrace:"
+      puts e.backtrace.first(10).map { |line| "  #{line}" }
+
+      # Provide troubleshooting hints
+      puts
+      puts "Troubleshooting hints:"
+      puts "- Check your .env.production file has correct SMTP settings"
+      puts "- Verify OSEM_EMAIL_ADDRESS is set to a valid email"
+      puts "- Test your SMTP credentials independently"
+      puts "- Check firewall/network connectivity to SMTP server"
+
+    ensure
+      # Restore original log level for other components
+      Rails.logger.level = original_log_level
+    end
+
+    puts
+    puts "=" * 50
+    puts "SMTP TEST COMPLETED"
+    puts "=" * 50
+  end
+
+  desc 'Show current mail configuration without sending email'
+  task config: :environment do
+    puts "=" * 50
+    puts "CURRENT MAIL CONFIGURATION"
+    puts "=" * 50
+
+    smtp_settings = Rails.application.config.action_mailer.smtp_settings.dup
+    smtp_settings[:password] = '[HIDDEN]' if smtp_settings[:password]
+
+    puts "ActionMailer delivery method: #{ActionMailer::Base.delivery_method}"
+    puts "Default URL options: #{Rails.application.config.action_mailer.default_url_options}"
+    puts
+    puts "SMTP Settings:"
+    smtp_settings.each do |key, value|
+      puts "  #{key}: #{value.inspect}"
+    end
+
+    puts
+    puts "Environment variables:"
+    %w[
+      OSEM_EMAIL_ADDRESS OSEM_HOSTNAME OSEM_SMTP_ADDRESS OSEM_SMTP_PORT
+      OSEM_SMTP_USERNAME OSEM_SMTP_AUTHENTICATION OSEM_SMTP_DOMAIN
+      OSEM_SMTP_ENABLE_STARTTLS_AUTO OSEM_SMTP_OPENSSL_VERIFY_MODE
+    ].each do |var|
+      value = ENV[var]
+      value = '[HIDDEN]' if var.include?('PASSWORD') && value
+      puts "  #{var}: #{value || '[NOT SET]'}"
+    end
+  end
+end