namespace :postageapp do
  desc 'Show the current PostageApp configuration'
  task config: :environment do
    puts "PostageApp Configuration"
    puts "------------------------"
    puts

    config = PostageApp.config

    puts "API Key: %s" % config.api_key
    puts "API Endpoint: %s" % config.url
    puts "Secure: %s" % [ config.secure? ? 'Yes' : 'No' ]

    if (config.proxy_host)
      puts "SOCKS5 Proxy: %s:%d" % [ config.proxy_host, config.proxy_port ]

      if (config.proxy_user)
        puts "SOCKS5 Auth: %s / %s" % [ config.proxy_user, config.proxy_pass ]
      end
    end

    puts "Open Timeout: %d seconds" % [ config.http_open_timeout ]
    puts "Read Timeout: %d seconds" % [ config.http_read_timeout ]

    if (config.recipient_override)
      puts "Recipient Override: %s" % [ config.recipient_override ]
    end

    puts "Environment: %s" % [ config.environment ]
  end

  desc 'Verify the PostageApp gem installation by requesting project info from the API'
  task test: :environment do
    diag = PostageApp::Diagnostics.new(PostageApp.config)

    puts "Resolving #{PostageApp.config.host.inspect}"
    if (resolved = diag.host_resolved)
      puts "\t#{resolved.join(',')}"
    else
      puts "\tCouldn't be resolved. [ERROR]"
    end

    if (PostageApp.config.proxy?)
      puts "Resolving #{PostageApp.config.proxy_host.inspect}"
      if (resolved = diag.proxy_host_resolved)
        puts "\t#{resolved.join(',')}"
      else
        puts "\tCouldn't be resolved. [ERROR]"
      end
    end

    puts "Trying to contact #{PostageApp.configuration.url}..."
    response = PostageApp::Request.new(:get_project_info).send
    
    if (response.ok?)
      project_name = response.data['project']['name']
      project_url = response.data['project']['url']
      user_emails = response.data['project']['users']
      
      puts <<END
  Found Project:
  ----------------------------
   Name:  #{ project_name }
    URL:  #{ project_url }
  Users:  #{ user_emails.keys.join(', ') }
END
        
      # Sending test email to all users in the project
      # Most likely a single user if it's a new project
      puts 'Sending test message to users in the project...'
      r = send_test_message(user_emails)

      if (r.ok?)
        puts "Message was successfully sent!\n\n"
        puts 'Your application is ready to use PostageApp!'
      else
        puts 'Failed to send test message. Please try again. Check logs if issue persists.'
        puts 'This was the response:'
        puts r.to_yaml
      end
    else
      puts 'Failed to fetch information about your project. This was the response:'
      puts response.to_yaml
    end
  end
  
  desc 'Manually trigger resend of all failed emails'
  task resend_failed_emails: :environment do
    puts 'Attempting to resend failed emails...'
    PostageApp::FailedRequest.resend_all
    puts 'Done!'
  end
  
end

HTML_MESSAGE = <<END
<h3> Hello {{name}}, </h3>
<p>This is a html message generated by Postage plugin.</p>
<p>If you received this message it means that your application is properly configured and is ready to use PostageApp service.</p>
<p>Thank you,</p>
<p>The PostageApp Team</p>
END

TEXT_MESSAGE = <<END
Hello {{name}}

This is a plain text message generated by Postage plugin.
If you received this message it means that your application is properly configured and is ready to use PostageApp service.

Thank you,
The PostageApp Team
END

def send_test_message(recipients)
  recipients_with_variables = { }

  recipients.each do |email, name|
    recipients_with_variables[email] = {
      'name' => name
    }
  end
  
  PostageApp::Request.new(
    :send_message,
    message: {
      'text/html' => HTML_MESSAGE,
      'text/plain' => TEXT_MESSAGE
    },
    recipients: recipients_with_variables,
    headers: {
      'Subject' => '[PostageApp] Test Message',
      'From' => 'no-return@postageapp.com'
    }
  ).send
end