require 'meroku/cli/help'
require 'meroku/cli/secrets'
require 'meroku/cli/session'

module Meroku
  # The CLI is used by end users and also maintainers
  module CLI
    include Meroku::Aws::Ec2

    def signup
      email, pw = Meroku::Extensions.mgets(%i[email password])
      Meroku::Api::Request.post(
        'https://www.meroku.com/users.json',
        user: { email: email, password: pw, password_confirmation: pw }
      ) do |response|
        puts "Signed up #{response['attributes']['email']}"
        save_setting('apiusername', response['attributes']['apiusername'])
        save_setting('apisecret', response['attributes']['apisecret'])
      end
      true
    end

    def login
      email, password = Meroku::Extensions.mgets(%i[email password])
      Meroku::Api::Request.post(
        'https://www.meroku.com/users/sign_in.json',
        user: { email: email, password: password }
      ) do |response|
        puts "Signed in as #{response['attributes']['email']}"
        save_setting('apiusername', response['attributes']['apiusername'])
        save_setting('apisecret', response['attributes']['apisecret'])
      end
      true
    end

    def logout
      [
        "#{Dir.home}/.meroku/.apiusername",
        "#{Dir.home}/.meroku/.apisecret"
      ].each do |f|
        File.delete(f) if File.exist?(f)
      end
      true
    end

    def create
      Meroku::Api::Request.post(
        'https://www.meroku.com/apps.json',
        app: { name: 'unnamed' }, apisecret: `cat ~/.meroku/.apisecret`.chomp
      ) do |response|
        puts "Created #{response['attributes']['name']}, adding git remote"
        add_git_remote(
          'meroku',
          "#{apiusername}@www.meroku.com:#{response['attributes']['name']}.git"
        )
      end
      true
    end

    def apiusername
      `cat ~/.meroku/.apiusername.chomp`
    end

    def add_git_remote(name, uri)
      puts "git remote remove #{name}"
      `git remote remove #{name} 2>/dev/null`
      puts "git remote add #{name} #{uri}"
      `git remote add #{name} #{uri}`
    end

    def keys_add
      file = "#{Dir.home}/.ssh/id_rsa.pub"
      apisecret = `cat ~/.meroku/.apisecret`.chomp
      abort "error: #{file} not found" unless File.exist?(file)
      Meroku::Api::Request.post(
        'https://www.meroku.com/publickeys.json',
        publickey: { name: 'id_rsa.pub', data: `cat ~/.ssh/id_rsa.pub`.chomp },
        apisecret: apisecret
      ) do |response|
        puts "Added #{response['attributes']['name']}"
      end
      true
    end

    def spawn
      Meroku::CLI::Secrets.load(admin: true)
      node = Meroku::Node.new
      node.associate_address.configure_keys.add_sources.ubuntu_updates
      node.install_packages.database_inits.git_clone.nginx_configs.start_rails
      true
    end

    def despawn
      Meroku::CLI::Secrets.load(admin: true)
      Meroku::Infrastructure.each_server(&:shutdown)
      true
    end

    def save_setting(name, value)
      FileUtils.mkdir_p "#{Dir.home}/.meroku"
      IO.write("#{Dir.home}/.meroku/.#{name}", value)
    end
  end
end