require 'json'

module WZombi
  class CommandStore
    def initialize(path)
      @path = path
      init_file
    end

    def init_file
      File.write(@path, { id: 0, cmd: "" }.to_json) unless File.exist?(@path)
    end

    def current
      JSON.parse(File.read(@path))
    end

    def update(cmd)
      data = current
      data["id"] += 1
      data["cmd"] = cmd
      File.write(@path, data.to_json)
    end
  end
end