# frozen_string_literal: true

require_relative '../lib/ffaker'

# always use the same seed for consistency

FFaker::Random.seed = 1337

ICONS = {

error: '‼️',

warning: '❗'

}.freeze

UTILS_MODULES = %i[ArrayUtils ModuleUtils RandomUtils Random Version].freeze

UTILS_METHODS = %i[k underscore fetch_sample rand shuffle unique luhn_check].freeze

# Get a list of sections

def faker_modules

FFaker

.constants

.reject { |const| UTILS_MODULES.include?(const) }

.select { |const| FFaker.const_get(const).instance_of?(Module) }

.sort

.map { |const| FFaker.const_get(const) }

end

# Returns faker methods for a given module

def faker_methods(mod)

methods = mod.methods - Module.methods - UTILS_METHODS

# For Company.name (et al), don't discard :name if it was reimplemented

methods << :name if mod.send(:name) != mod.to_s

methods

end

# Catch deprecation warnings.

# This `#warn` overrides Kernel#warn

def warn(msg)

return unless Kernel.instance_variable_get(:@ffaker_warnings)

Kernel.instance_variable_set(:@ffaker_warnings, Kernel.instance_variable_get(:@ffaker_warnings) << msg)

end

def catch_warnings

Kernel.instance_variable_set(:@ffaker_warnings, [])

[yield, Kernel.instance_variable_get(:@ffaker_warnings)]

end

def escape(str)

str.gsub('&', '&amp;').gsub('<', '&lt;').gsub('>', '&gt;').delete("\n")

end

sections = faker_modules.map do |mod|

lines = []

methods = faker_methods(mod)

lines << "## #{mod}"

lines << ''

lines << '| Method | Example |'

lines << '| ------ | ------- |'

methods.sort.each do |meth|

arity = mod.method(meth).arity

left = "`#{meth}`"

right = ''

if arity.positive?

left = "`#{meth}`(#{Array.new(arity) { '...' }.join(', ')})"

else

begin

examples, warnings = catch_warnings do

Array.new(3) { mod.unique.send meth }

end

right = warnings.any? ? "#{ICONS[:warning]} *#{warnings.first}*" : (escape examples.join(', ')).to_s

rescue StandardError => e

right = "#{ICONS[:error]} #{e.class}: #{e.message}"

end

end

lines << "| #{left} | #{right} |"

end

lines << ''

end

puts '# FFaker reference'

puts ''

faker_modules.each do |mod|

name = mod.to_s.downcase.delete(':')

puts " * [#{mod}](##{name})"

end

puts ''

puts sections.flatten.join("\n")