class DummyApartment

# File lib/dummy-apartment.rb, line 95
def self.gen_address
  prefs  = @@dic['prefectures']
  cities = @@dic['cities']

  non_zero = (1..9).to_a.map(&:to_s)
  numbers  = (0..9).to_a.map(&:to_s)

  street = non_zero.sample + numbers.sample(rand 1..3).join
  dash_index = rand(street.length-1)
  street.insert(dash_index, '-') if dash_index != 0 and dash_index != street.length

  [prefs.sample, cities.sample, street].join
end

# File lib/dummy-apartment.rb, line 109
def self.gen_building_name
  names = @@dic['building_name']
  names['first_half'].sample + names['second_half'].sample
end

# File lib/dummy-apartment.rb, line 162
def self.gen_date_of_construction
  rand(Date.new(1960, 1, 1) .. Date.today)
end

# File lib/dummy-apartment.rb, line 166
def self.gen_date_of_renovation(older_limit)
  [true, false].sample ? rand(older_limit .. Date.today) : nil
end

# File lib/dummy-apartment.rb, line 185
def self.gen_deposit(monthly_rent)
  [0, 1, 1, 1, 1, 2].sample * monthly_rent
end

# File lib/dummy-apartment.rb, line 189
def self.gen_finders_reward(monthly_rent)
  [0, 1, 1, 1, 1, 2].sample * monthly_rent
end

# File lib/dummy-apartment.rb, line 193
def self.gen_lease_term(fixed)
  return nil unless fixed
  rand(1 .. 3)
end

# File lib/dummy-apartment.rb, line 114
def self.gen_long_lat
  # only around Kanto
  longitude = rand( 35.668559 ..  37.276341)
  latitude  = rand(138.419373 .. 140.572693)

  [longitude, latitude]
end

# File lib/dummy-apartment.rb, line 177
def self.gen_management_fee
  rand(0 .. 10) * 1000
end

# File lib/dummy-apartment.rb, line 154
def self.gen_minutes_to_stations(num_of_stations)
  num_of_stations.times.with_object([]){ |i, array|
    on_foot = rand(1 .. 30)
    by_bus  = rand(1 .. on_foot)
    array << {on_foot: on_foot, by_bus: by_bus}
  }
end

# File lib/dummy-apartment.rb, line 170
def self.gen_monthly_rent(occupied_area)
  # base(15m^2) ==  20000
  # base(65^m2) == 340000
  base = 80*occupied_area**2 + 2000
  base.round(-3) + rand(-5 .. 5)*1000
end

# File lib/dummy-apartment.rb, line 149
def self.gen_nearest_stations
  number = Math.sqrt(rand 1..4).floor  # 1 with 3/4, 2 with 1/4
  @@dic['station'].sample number
end

# File lib/dummy-apartment.rb, line 139
def self.gen_occupied_area(type)
  chars = type.each_char.to_a
  num_rooms = chars.first.to_i + chars[1..-1].length
  num_rooms*10.0 + rand(-5.0 .. 5.0)
end

# File lib/dummy-apartment.rb, line 181
def self.gen_parking_price
  rand(0 .. 10) * 1000
end

# File lib/dummy-apartment.rb, line 198
def self.gen_renewal_fee(fixed, monthly_rent)
  return nil unless fixed
  rand(1 .. 3) * monthly_rent
end

# File lib/dummy-apartment.rb, line 126
def self.gen_room_floor(limit)
  rand(1 .. limit)
end

# File lib/dummy-apartment.rb, line 130
def self.gen_room_number(floor)
  "#{floor}0#{rand(0..9)}"
end

# File lib/dummy-apartment.rb, line 134
def self.gen_room_type
  types = @@dic['room_type']
  types.sample
end

# File lib/dummy-apartment.rb, line 122
def self.gen_top_floor
  rand(2 .. 4)
end

# File lib/dummy-apartment.rb, line 145
def self.gen_true_or_false
  [true, false].sample
end

# File lib/dummy-apartment.rb, line 20
def self.generate
  address                   = gen_address
  building_name             = gen_building_name
  geo                       = gen_long_lat
  top_floor                 = gen_top_floor
  room_floor                = gen_room_floor(top_floor)
  room_number               = gen_room_number(room_floor)
  room_type                 = gen_room_type
  occupied_area             = gen_occupied_area(room_type)
  keeping_pets              = ['可', '不可', '要相談'].sample
  playing_the_instruments   = ['可', '不可'].sample
  place_for_washing_machine = ['室内', '室外', '無し'].sample
  floor_type                = [:flooring, :tatami].sample
  exposure                  = [:north, :south, :east, :west].sample
  air_conditioner_equipped  = gen_true_or_false
  self_locking              = gen_true_or_false
  manager_patrol            = gen_true_or_false
  nearest_stations          = gen_nearest_stations
  minutes_to_stations       = gen_minutes_to_stations(nearest_stations.size)
  bath_toilet_separated     = gen_true_or_false
  date_of_construction      = gen_date_of_construction
  date_of_renovation        = gen_date_of_renovation(date_of_construction)
  monthly_rent              = gen_monthly_rent(occupied_area)
  management_fee            = gen_management_fee
  parking_price             = gen_parking_price
  deposit                   = gen_deposit(monthly_rent)
  finders_reward            = gen_finders_reward(monthly_rent)
  fixed_term_lease          = gen_true_or_false
  lease_term                = gen_lease_term(fixed_term_lease)
  renewal_fee               = gen_renewal_fee(fixed_term_lease, monthly_rent)

  values = ATTRIBUTES.map{ |attr| eval "#{attr}" }
  DummyApartment.new(Hash[ATTRIBUTES.zip values])
end

# File lib/dummy-apartment.rb, line 55
def initialize(apartment_hash)
  assign_attributes(apartment_hash)
end

# File lib/dummy-apartment.rb, line 67
def air_conditioner_equipped?
  @air_conditioner_equipped
end

# File lib/dummy-apartment.rb, line 79
def bath_toilet_separated?
  @bath_toilet_separated
end

# File lib/dummy-apartment.rb, line 87
def fixed_term_lease?
  @fixed_term_lease
end

# File lib/dummy-apartment.rb, line 59
def flooring?
  @floor_type == :flooring
end

# File lib/dummy-apartment.rb, line 75
def manager_patrol?
  @manager_patrol
end

# File lib/dummy-apartment.rb, line 83
def renovated?
  !@date_of_renovation.nil?
end

# File lib/dummy-apartment.rb, line 71
def self_locking?
  @self_locking
end

# File lib/dummy-apartment.rb, line 63
def tatami?
  @floor_type == :tatami
end

# File lib/dummy-apartment.rb, line 91
def to_hash
  Hash[ATTRIBUTES.map{|attr| [attr, instance_variable_get("@#{attr}")] }]
end

# File lib/dummy-apartment.rb, line 207
def assign_attributes(hash)
  ATTRIBUTES.each do |attr|
    self.instance_variable_set("@#{attr}".to_sym, hash[attr])
  end
end