module ShootsDeploy

# File lib/shoots_deploy.rb, line 86
def self.create_configure_populate_main_bucket(configuration, directory: Dir.pwd)
  main_bucket = Bucket.initialize_with_name(configuration.main_bucket_name)
  main_bucket.upload_files_from(directory)
  main_bucket.configure_policy
  main_bucket.configure_to_serve_website
end

# File lib/shoots_deploy.rb, line 7
def self.deploy
  if deployed_before?
    configuration = Configuration.initialize_from_file
    initialize_aws(region: configuration.region, secret_key: configuration.secret_key, access_key: configuration.access_key)
    bucket = Bucket.new(configuration.main_bucket_name)
    bucket.sync_site_with(Dir.pwd)
  else
    access_key = get_access_key
    secret_key = get_secret_key
    region = select_region

    configuration = Configuration.new(region: region, access_key: access_key, secret_key: secret_key)

    initialize_aws(region: configuration.region, secret_key: configuration.secret_key, access_key: configuration.access_key)

    if use_custom_domain? && use_route_53?
      configuration.root_domain = get_root_domain
      configuration.subdomain = get_subdomain
      hosted_zone = HostedZone.new(configuration)

      if use_root_domain_with_route_53?(configuration) #this also makes the root domain as the primary url to the site
        configuration.main_bucket_name = configuration.root_domain
        configuration.secondary_bucket_name = configuration.subdomain + '.' +configuration.root_domain
        configuration.subdomain_url = configuration.secondary_bucket_name

        create_configure_populate_main_bucket(configuration)

        secondary_bucket = Bucket.initialize_with_name(configuration.secondary_bucket_name)
        secondary_bucket.configuration = configuration
        secondary_bucket.redirect_traffic

        hosted_zone.configure_alias_record
        hosted_zone.configure_cname_record

      else #no root domain
        configuration.main_bucket_name = configuration.subdomain + '.' + configuration.root_domain
        configuration.subdomain_url = configuration.main_bucket_name

        create_configure_populate_main_bucket(configuration)

        hosted_zone.configure_cname_record
      end

      #prompt user to set up Route 53 as their DNS
      puts "\nSet up your domain to use the Amazon Route 53 as your DNS by changing to the following nameservers:"
      puts hosted_zone.ns_resource_records

      notify_user_of_temporary_s3_url(configuration)

    elsif use_custom_domain? #no Amazon Route 53, own DNS like cloudflare
      configuration.subdomain_url = configuration.main_bucket_name = get_url

      create_configure_populate_main_bucket(configuration)

      #prompt user to set up DNS server
      puts "\nSet up your DNS with the corresponding CNAME and point it to `#{configuration.s3_website_endpoint}`.\nIf you want your root domain to be redirected to this website, set up the necessary redirection rules."

      notify_user_of_temporary_s3_url(configuration)

    else #no custom domain
      configuration.main_bucket_name = get_site_name

      create_configure_populate_main_bucket(configuration)

      puts "\nYou can see your website at #{configuration.s3_website_endpoint}"
    end
    configuration.create_config_file
  end
end

# File lib/shoots_deploy.rb, line 78
def self.deployed_before?
  File.exist?(Dir.pwd + '/' + Configuration::CONFIG_FILE)
end

# File lib/shoots_deploy.rb, line 106
def self.get_access_key
  access_key = ''

  while access_key.empty?
    print "\nWhat's your AWS access key? "
    access_key = gets.chomp
  end

  access_key
end

# File lib/shoots_deploy.rb, line 143
def self.get_root_domain
  prompt = "What is your root domain? eg. example.com"
  confirmation_message = "You root domain is"
  get_user_input_with_prompt(prompt, confirmation_message: confirmation_message)
end

# File lib/shoots_deploy.rb, line 117
def self.get_secret_key
  secret_key = ''

  while secret_key.empty?
    print "\nWhat's your AWS secret key? "
    secret_key = gets.chomp
  end

  secret_key
end

# File lib/shoots_deploy.rb, line 161
def self.get_site_name
  prompt = "What is the name of your site? (something unique to prevent S3 bucket name clashing)"
  confirmation_message = "Your site name is"
  get_user_input_with_prompt(prompt, confirmation_message: confirmation_message)
end

# File lib/shoots_deploy.rb, line 149
def self.get_subdomain
  prompt = "What is your preferred subdomain? eg. www or hello"
  confirmation_message = "Your preferred subdomain is"
  get_user_input_with_prompt(prompt, confirmation_message: confirmation_message)
end

# File lib/shoots_deploy.rb, line 155
def self.get_url
  prompt = "What will your website URL be? eg. www.example.com"
  confirmation_message = "Your website's url will be"
  get_user_input_with_prompt(prompt, confirmation_message: confirmation_message)
end

# File lib/shoots_deploy.rb, line 177
def self.get_user_confirmation(prompt)
  while true
    print "\n#{prompt}: "
    input = gets.chomp
    print "\nAre you sure? (y/n): "
    confirmation = gets.chomp
    break input if confirmation == 'y'
  end
end

# File lib/shoots_deploy.rb, line 167
def self.get_user_input_with_prompt(prompt, confirmation_message: "You entered")
  while true
    print "\n#{prompt}: "
    input = gets.chomp
    print "\n#{confirmation_message} #{input}. Is that right? (y/n): "
    confirmation = gets.chomp
    break input if confirmation == 'y'
  end
end

# File lib/shoots_deploy.rb, line 82
def self.initialize_aws(region: nil, access_key: nil, secret_key: nil)
  AWS.config(access_key_id: access_key, secret_access_key: secret_key, region: region)
end

# File lib/shoots_deploy.rb, line 187
def self.notify_user_of_temporary_s3_url(configuration)
  puts "\nIn the meantime, you can see your website at #{configuration.s3_website_endpoint}"
end

# File lib/shoots_deploy.rb, line 93
def self.select_region
  while true
    puts "\nSelect your region eg."
    AWS.regions.to_a.each_with_index { |r, i| puts "#{i+1}. #{r.name}" }
    print "\nType the number of the region: "
    region_index = gets.chomp.to_i - 1
    selected_region = AWS.regions.map { |r| r.name }[region_index]
    print "\nYou have selected #{selected_region}.\nIs that right? (y/n): "
    confirmation = gets.chomp
    break selected_region if confirmation == 'y' #must have break because while loop returns nil with a break it returns selected_region
  end
end

# File lib/shoots_deploy.rb, line 128
def self.use_custom_domain?
  @custom_domain = @custom_domain || get_user_confirmation("Do you want to use a custom domain for your site? (type y/n)")
  @custom_domain == 'y'
end

# File lib/shoots_deploy.rb, line 138
def self.use_root_domain_with_route_53?(configuration)
  use_root_domain = get_user_confirmation("Do you want to use your root domain, #{configuration.root_domain} for this site? (type y/n)")
  use_root_domain == 'y'
end

# File lib/shoots_deploy.rb, line 133
def self.use_route_53?
  use_route_53 = get_user_confirmation("Do you want to use AWS Route 53 as your DNS provider? (type y/n)")
  use_route_53 == 'y'
end