#!/usr/bin/env ruby

require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'

  gem 'activesupport'
  gem 'actionview'
  gem 'csv'
end

require 'action_view'
require 'action_view/helpers'
require 'active_support'
require 'active_support/core_ext/string'
require 'csv'
require 'erb'

# https://data.calgary.ca/Demographics/Census-by-Community-2019/rkfr-buzb/about_data
# CLASS,CLASS_CODE,COMM_CODE,NAME,SECTOR,SRG,COMM_STRUCTURE,CNSS_YR,FOIP_IND,RES_CNT,DWELL_CNT,PRSCH_CHLD,ELECT_CNT,EMPLYD_CNT,OWNSHP_CNT,DOG_CNT,CAT_CNT,PUB_SCH,SEP_SCH,PUBSEP_SCH,OTHER_SCH,UNKNWN_SCH,SING_FAMLY,DUPLEX,MULTI_PLEX,APARTMENT,TOWN_HOUSE,MANUF_HOME,CONV_STRUC,COMUNL_HSE,RES_COMM,OTHER_RES,NURSING_HM,OTHER_INST,HOTEL_CNT,OTHER_MISC,APT_NO_RES,APT_OCCPD,APT_OWNED,APT_PERSON,APT_VACANT,APT_UC,APT_NA,CNV_NO_RES,CNV_OCCPD,CNV_OWNED,CNV_PERSON,CNV_VACANT,CNV_UC,CNV_NA,DUP_NO_RES,DUP_OCCPD,DUP_OWNED,DUP_PERSON,DUP_VACANT,DUP_UC,DUP_NA,MFH_NO_RES,MFH_OCCPD,MFH_OWNED,MFH_PERSON,MFH_VACANT,MFH_UC,MFH_NA,MUL_NO_RES,MUL_OCCPD,MUL_OWNED,MUL_PERSON,MUL_VACANT,MUL_UC,MUL_NA,OTH_NO_RES,OTH_OCCPD,OTH_OWNED,OTH_PERSON,OTH_VACANT,OTH_UC,OTH_NA,TWN_NO_RES,TWN_OCCPD,TWN_OWNED,TWN_PERSON,TWN_VACANT,TWN_UC,TWN_NA,SF_NO_RES,SF_OCCPD,SF_OWNED,SF_PERSON,SF_VACANT,SF_UC,SF_NA,OTH_STRTY,DWELSZ_1,DWELSZ_2,DWELSZ_3,DWELSZ_4_5,DWELSZ_6,MALE_CNT,FEMALE_CNT,MALE_0_4,MALE_5_14,MALE_15_19,MALE_20_24,MALE_25_34,MALE_35_44,MALE_45_54,MALE_55_64,MALE_65_74,MALE_75,FEM_0_4,FEM_5_14,FEM_15_19,FEM_20_24,FEM_25_34,FEM_35_44,FEM_45_54,FEM_55_64,FEM_65_74,FEM_75,MF_0_4,MF_5_14,MF_15_19,MF_20_24,MF_25_34,MF_35_44,MF_45_54,MF_55_64,MF_65_74,MF_75,OTHER_CNT,OTHER_0_4,OTHER_5_14,OTHER_15_19,OTHER_20_24,OTHER_25_34,OTHER_35_44,OTHER_45_54,OTHER_55_64,OTHER_65_74,OTHER_75,multipolygon
class Community
  include ActionView::Helpers::NumberHelper

  def initialize(row)
    @row = row
  end

  def name
    self[:name]
  end

  def percent(key)
    return 0 if self[:res_cnt].to_i.zero?

    ((self[key].to_f / self[:res_cnt].to_f) * 100).round(1)
  end

  def homepage_url
    "https://www.calgary.ca/communities/profiles/#{name.parameterize}.html"
  end

  def profile_url
    "https://www.calgary.ca/content/dam/www/csps/cns/documents/community_social_statistics/community-profiles/#{name.parameterize}.pdf"
  end

  def projection_url
    "https://www.calgary.ca/content/dam/www/csps/cns/documents/community_social_statistics/#{name.parameterize}-pp.pdf"
  end

  def [](key)
    @row.fetch(key.to_s.upcase)
  end

  def <=>(other)
    [self[:sector], self.name] <=> [other[:sector], other.name]
  end

  def properties
    Enumerator.new do |yielder|
      Property.each do |property|
        yielder.yield property if property[:comm_code] == self[:comm_code]
      end
    end
  end

  def create_content_in(dir)
    target_dir = "#{dir}/#{self[:comm_code].parameterize}"
    FileUtils.mkdir_p(target_dir, verbose: true)
    create_readme_in(target_dir)
  end

  private

  def create_readme_in(dir)
    erb = ERB.new(IO.read("templates/community.md.erb"), trim_mode: "-")
    IO.write("#{dir}/README.md", erb.result(binding))
  end
end

class Census
  include Enumerable

  def initialize(path)
    @path = path
  end

  def sectors
    map { |x| x[:sector] }.uniq
  end

  def each
    CSV.foreach(@path, headers: true) do |row|
      community = Community.new(row)
      yield community if community[:class].include?("Residential")
    end
  end

  def create_content_in(dir)
    FileUtils.mkdir_p(dir, verbose: true)
    erb = ERB.new(IO.read("templates/city.md.erb"), trim_mode: "-")
    IO.write("#{dir}/README.md", erb.result(binding))

    each do |community|
      community.create_content_in(dir)
    end
  end
end

# https://data.calgary.ca/Government/Current-Year-Property-Assessments-Parcel-/4bsw-nn7w/about_data
# ROLL_YEAR,ROLL_NUMBER,ADDRESS,ASSESSED_VALUE,ASSESSMENT_CLASS,ASSESSMENT_CLASS_DESCRIPTION,RE_ASSESSED_VALUE,NR_ASSESSED_VALUE,FL_ASSESSED_VALUE,COMM_CODE,COMM_NAME,YEAR_OF_CONSTRUCTION,LAND_USE_DESIGNATION,PROPERTY_TYPE,LAND_SIZE_SM,LAND_SIZE_SF,LAND_SIZE_AC,MOD_DATE,SUB_PROPERTY_USE,MULTIPOLYGON,UNIQUE_KEY
class Property
  def initialize(row)
    @row = row
  end

  def [](key)
    @row.fetch(key.to_s.upcase)
  end

  def residential?
    self[:assessment_class_description] == "Residential"
  end

  def <=>(other)
    self[:address] <=> other[:address]
  end

  class << self
    def each(path = "data/Current_Year_Property_Assessments__Parcel__20240524.csv")
      @properties ||= CSV
        .read(path, headers: true)
        .map { |x| Property.new(x) }
        .sort
      @properties.each do |property|
        yield property if property.residential?
      end
    end
  end
end

Census
  .new("data/Census_by_Community_2019_20240524.csv")
  .create_content_in("yyc")