require "cfoundry"

module VMC::Cli::Command

  class User < Base

    def info
      info = client_info
      username = info[:user] || 'N/A'
      return display JSON.pretty_generate([username]) if @options[:json]
      display "\n[#{username}]"
    end

    def login(email=nil)
      email    = @options[:email] unless email
      password = @options[:password]
      tries ||= 0

      unless no_prompt
        display "Attempting login to [#{target_url}]" if target_url
        email ||= ask("Email")
        password ||= ask("Password", :echo => "*")
      end

      err "Need a valid email" unless email
      err "Need a password" unless password
      login_and_save_token(email, password)
      say "Successfully logged into [#{target_url}]".green
    rescue CFoundry::Denied
      display "Problem with login, invalid account or password when attempting to login to '#{target_url}'".red
      retry if (tries += 1) < 3 && prompt_ok && !@options[:password]
      exit 1
    rescue => e
      display "Problem with login to '#{target_url}', #{e}, try again or register for an account.".red
      exit 1
    end

    def logout
      VMC::Cli::Config.remove_token_file
      say "Successfully logged out of [#{target_url}]".green
    end

    def change_password(password=nil)
      info = client_info
      email = info[:user]
      err "Need to be logged in to change password." unless email
      say "Changing password for '#{email}'\n"
      unless no_prompt
        password = ask "New Password", :echo => "*"
        password2 = ask "Verify Password", :echo => "*"
        err "Passwords did not match, try again" if password != password2
      end
      err "Password required" unless password
      client.change_password(password)
      say "\nSuccessfully changed password".green
    end

    private

    def login_and_save_token(email, password)
      cfoundry = CFoundry::Client.new(client.target)
      cfoundry.trace = @client.trace
      token = cfoundry.login(:username => email, :password => password)
      VMC::Cli::Config.store_token(token, @options[:token_file])
    end

  end

end