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# frozen_string_literal: true
module Faker
class Json < Base
require 'json'
class << self
##
# Produces a random simple JSON formatted string.
#
# @param width [Integer] Specifies the number of key-value pairs.
# @param options [Hash] Specifies a Faker gem class to use for keys and for values, respectably. options_hash = {key: Class.method, value: Class.method}
# @return [Hash{String => String}]
#
# @example
# Faker::Json.shallow_json(width: 3, options: { key: 'RockBand.name', value: 'Seinfeld.quote' }) # =>
# {"Parliament Funkadelic":"They're real, and they're spectacular.",
# "Fleetwood Mac":"I'm not a lesbian. I hate men, but I'm not a lesbian.",
# "The Roots":"It became very clear to me sitting out there today that every decision
# I've made in my entire life has been wrong. My life is the complete opposite of everything
# I want it to be. Every instinct I have, in every aspect of life, be it something to wear,
# something to eat - it's all been wrong."}
#
# @faker.version 1.9.2
def shallow_json(width: 3, options: { key: 'Name.first_name', value: 'Name.first_name' })
options[:key] = "Faker::#{options[:key]}"
options[:value] = "Faker::#{options[:value]}"
hash = build_shallow_hash(width, options)
JSON.generate(hash)
end
##
# Produces a random nested JSON formatted string that can take JSON as an additional argument.
#
# @param json [Hash{String => String}] Specifies a Json.shallow_json and uses its keys as keys of the nested JSON.
# @param width [Integer] Specifies the number of nested key-value pairs.
# @param options [Hash] Specifies a Faker gem class to use for nested keys and for values, respectably. options_hash = {key: Class.method, value: Class.method}
# @return [Hash{String => String}]
#
# @example
# json = Faker::Json.shallow_json(width: 3, options: { key: 'Name.first_name', value: 'Name.last_name' })
# puts json # =>
# {"Alisha":"Olson","Everardo":"DuBuque","Bridgette":"Turner"}
#
# json2 = Faker::Json.add_depth_to_json(json: json, width: 2, options: { key: 'Name.first_name', value: 'Name.last_name' })
# puts json2 # =>
# {"Alisha":{"Daisy":"Trantow","Oda":"Haag"},
# "Everardo":{"Javier":"Marvin","Eliseo":"Schuppe"},
# "Bridgette":{"Jorge":"Kertzmann","Lelah":"MacGyver"}}
#
# json3 = Faker::Json.add_depth_to_json(json: json2, width: 4, options: { key: 'Name.first_name', value: 'Name.last_name' })
# puts json3 # =>
# {"Alisha":
# {"Daisy":
# {"Bulah":"Wunsch","Cristian":"Champlin","Lester":"Bartoletti","Greg":"Jacobson"},
# "Oda":
# {"Salvatore":"Kuhlman","Aubree":"Okuneva","Larry":"Schmitt","Velva":"Gibson"}},
# "Everardo":
# {"Javier":
# {"Eduardo":"Orn","Laila":"Kub","Thad":"Legros","Dion":"Wilderman"},
# "Eliseo":
# {"Olin":"Hilpert","Marisa":"Greenfelder","Karlee":"Schmitt","Judd":"Larkin"}},
# "Bridgette":
# {"Jorge":
# {"Eloy":"Pfeffer","Kody":"Hansen","Paxton":"Lubowitz","Abe":"Lesch"},
# "Lelah":
# {"Rick":"Wiza","Bonita":"Bayer","Gardner":"Auer","Felicity":"Abbott"}}}
#
# @faker.version 1.9.2
def add_depth_to_json(json: shallow_json, width: 3, options: { key: 'Name.first_name', value: 'Name.first_name' })
options[:key] = "Faker::#{options[:key]}"
options[:value] = "Faker::#{options[:value]}"
hash = JSON.parse(json)
hash.each_key do |key|
add_hash_to_bottom(hash, [key], width, options)
end
JSON.generate(hash)
end
private
def build_shallow_hash(width, options)
key = options[:key]
value = options[:value]
hash = {}
width.times do
hash[eval(key)] = eval(value)
end
hash
end
def add_hash_to_bottom(hash, key_array, width, options)
key_string = build_keys_from_array(key_array)
if eval("hash#{key_string}").is_a?(::Hash)
eval("hash#{key_string}").each_key do |key|
key_array << key
add_hash_to_bottom(hash, key_array, width, options)
end
else
add_hash(key_array, hash, width, options)
key_array.pop
end
end
def add_hash(key_array, hash, width, options)
string_to_eval = 'hash'.dup
key_array.length.times do |index|
string_to_eval << "['#{key_array[index]}']"
end
string_to_eval << " = #{build_shallow_hash(width, options)}"
eval(string_to_eval)
hash
end
def build_keys_from_array(key_array)
key_string = ''.dup
key_array.each do |value|
key_string << "['#{value}']"
end
key_string
end
end
end
end
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