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# frozen_string_literal: true
require_relative "question"
module TTY
class Prompt
class MaskQuestion < Question
# Names for delete keys
DELETE_KEYS = %i[backspace delete].freeze
# Create masked question
#
# @param [Hash] options
# @option options [String] :mask
#
# @api public
def initialize(prompt, **options)
super
@mask = options.fetch(:mask) { @prompt.symbols[:dot] }
@done_masked = false
@failure = false
end
# Set character for masking the STDIN input
#
# @param [String] char
#
# @return [self]
#
# @api public
def mask(char = (not_set = true))
return @mask if not_set
@mask = char
end
def keyreturn(_event)
@done_masked = true
end
def keyenter(_event)
@done_masked = true
end
def keypress(event)
if DELETE_KEYS.include?(event.key.name)
@input.chop! unless @input.empty?
elsif event.value =~ /^[^\e\n\r]/
@input += event.value
end
end
# Render question and input replaced with masked character
#
# @api private
def render_question
header = ["#{@prefix}#{message} "]
if echo?
masked = @mask.to_s * @input.to_s.length
if @done_masked && !@failure
masked = @prompt.decorate(masked, @active_color)
elsif @done_masked && @failure
masked = @prompt.decorate(masked, @error_color)
end
header << masked
end
header << "\n" if @done
header.join
end
def render_error(errors)
@failure = !errors.empty?
super
end
# Read input from user masked by character
#
# @private
def read_input(question)
@done_masked = false
@failure = false
@input = ""
@prompt.print(question)
until @done_masked
@prompt.read_keypress
question = render_question
total_lines = @prompt.count_screen_lines(question)
@prompt.print(@prompt.clear_lines(total_lines))
@prompt.print(render_question)
end
@prompt.puts
@input
end
end # MaskQuestion
end # Prompt
end # TTY
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