class SbifChile

# File lib/sbif_chile.rb, line 12
def initialize(token = '')
  @api_key = ENV['SBIF_API_KEY'] || token
  @date_current = {
    date: '2017-02-26 14:33:13 -0300',
    dolar: 0.0,
    euro: 0.0,
    ipc: 0.0,
    tad: 0.0,
    tmc: [
      {
        date: '2017-02-26 14:33:13 -0300',
        title: 'no title',
        subtitle: 'no subtitle',
        value: 0.0,
        type: 0,
      }
    ],
    uf: 0.0,
    utm: 0.0,
  }
end

# File lib/sbif_chile.rb, line 52
def current_date(resource = 'uf')
  response = self.class.get("/#{resource.downcase}?apikey=#{@api_key}&formato=json")
  if response.code.equal?(200)
    process_data(resource, response)
  elsif response.code >= 400
    raise "Bad Request for #{resource.downcase} : http_code: #{response.code} - http_message: #{response.message} - http_description: #{response['Mensaje']}"
  end
rescue Exception => ex
  puts "ERROR - #{ex.message}"
end

# File lib/sbif_chile.rb, line 63
def date_range(resource = 'uf' ,first_date = Time.now, second_date = Time.now)
  if first_date <= second_date
    response = self.class.get("/#{resource.downcase}/periodo/#{first_date.year}/#{first_date.month}/#{second_date.year}/#{second_date.month}?apikey=#{@api_key}&formato=json")
    if response.code.equal?(200)
      process_data(resource, response)
    elsif response.code >= 400
      raise "Bad Request for #{resource.downcase} : http_code: #{response.code} - http_message: #{response.message} - http_description: #{response['Mensaje']}"
    end
  else
    raise 'First date can\'t be greater than second'
  end
rescue Exception => ex
  puts "ERROR - #{ex.message}"
end

# File lib/sbif_chile.rb, line 34
def indicators_current
  dolar = current_date('dolar')
  euro = current_date('euro')
  ipc = current_date('ipc')
  tab = current_date('tab')
  tmc = current_date('tmc')
  uf = current_date
  utm = current_date('utm')
  @date_current[:date] = Time.now
  @date_current[:dolar] = dolar[0][:value] unless dolar.nil?
  @date_current[:euro] = euro[0][:value] unless euro.nil?
  @date_current[:ipc] = ipc[0][:value] unless ipc.nil?
  @date_current[:tad] = tab[0][:value] unless tab.nil?
  @date_current[:tmc] = tmc unless tmc.nil?
  @date_current[:uf] = uf[0][:value] unless uf.nil?
  @date_current[:utm] = utm[0][:value] unless utm.nil?
end

# File lib/sbif_chile.rb, line 85
def data(resource = 'tmc', response)
  case resource
  when 'tmc' then
    data = Hash[response.map { |x| [date: x[:fecha], title: x[:titulo], subtitle: x[:subtitulo], value: to_float(x[:valor]), type: x[:tipo]] }]
  else
    data = Hash[response.map { |x| [date: x[:fecha], value: to_float(x[:valor])] }]
  end
  data.map{ |x| x[0] }
end

# File lib/sbif_chile.rb, line 80
def process_data(resource = 'uf', source_data)
  data = response(resource, source_data)
  response = data(resource, data)
end

# File lib/sbif_chile.rb, line 95
def response(resource = 'uf', response)
  response = case resource
              when 'dolar' then symbolize_keys_deep!(response)[:dolares]
              when 'euro' then symbolize_keys_deep!(response)[:euros]
              when 'ipc' then symbolize_keys_deep!(response)[:ipcs]
              when 'tab' then symbolize_keys_deep!(response)[:tabs]
              when 'tmc' then symbolize_keys_deep!(response)[:tmcs]
              when 'uf' then symbolize_keys_deep!(response)[:ufs]
              when 'utm' then symbolize_keys_deep!(response)[:utms]
              end
end

# File lib/sbif_chile.rb, line 107
def symbolize_keys_deep!(hash)
  sub_hash = {}
  hash.each do |k,x|
     keys = k.downcase.to_sym
     sub_hash[keys] = Array.new
     x.each do |z|
       new_hash = {}
       z.each do |v,w|
         new_hash[v.downcase.to_sym] = w
       end
       sub_hash[keys] << new_hash
     end
  end
  sub_hash
end

# File lib/sbif_chile.rb, line 123
def to_float(string)
  string.gsub('.','').gsub(',','.').to_f
end