# frozen_string_literal: true

require 'yaml'
require 'stackprof'

module Database
  DATABASE_FILE_PATH = "#{__dir__}/vision.database.yml"

  # Load the standard vision toolkit database and re-arrage it to be simply exportable
  # to liquid as assigns. All this is based on Shopify
  def self.tables
    @tables ||= begin
      db =
        if YAML.respond_to?(:unsafe_load_file) # Only Psych 4+ can use unsafe_load_file
          # unsafe_load_file is needed for YAML references
          YAML.unsafe_load_file(DATABASE_FILE_PATH, symbolize_names: true)
        else
          YAML.load_file(DATABASE_FILE_PATH, symbolize_names: true)
        end

      # From vision source
      db[:products].each do |product|
        collections = db[:collections].find_all do |collection|
          collection[:products].any? { |p| p[:id].to_i == product[:id].to_i }
        end
        product[:collections] = collections
      end

      # key the tables by handles, as this is how liquid expects it.
      db = db.each_with_object({}) do |(key, values), assigns|
        assigns[key] = values.each_with_object({}) do |v, h|
          h[v[:handle]] = v
        end
      end

      # Some standard direct accessors so that the specialized templates
      # render correctly
      db[:collection] = db[:collections].values.first
      db[:product]    = db[:products].values.first
      db[:blog]       = db[:blogs].values.first
      db[:article]    = db[:blog][:articles].first

      db[:cart]       = {
        :total_price => db[:line_items].values.inject(0) { |sum, item| sum + item[:line_price] * item[:quantity] },
        :item_count => db[:line_items].values.inject(0) { |sum, item| sum + item[:quantity] },
        :items => db[:line_items].values,
      }

      db
    end
  end
end

if __FILE__ == $PROGRAM_NAME
  p(Database.tables[:collections][:frontpage].keys)
  # p Database.tables[:blog][:articles]
end