require "sredder/arg_parser"
require "sredder/sredderc"
require "sredder/util"
require "sredder/version"
require "sredder/wrike_auth"
require "sredder/wrike_request"

module Sredder

  def self.run_command(argv)
    args_parser = ArgParser.new
    args_parser.parse(argv)
    args_parser.validate!
    options = args_parser.options

    access = get_access_token
    folder_ids = get_folder(access, options[:folder])
    task_id = create_task(access, options[:title], options[:message], folder_ids)
    create_timelog(access, options[:date], task_id, options[:hours])
  end

  # gets an authenticated OAuth access token by loading the
  # users .sredderc or prompting them to authenticate in their
  # browser
  def self.get_access_token
    auth = WrikeAuth.new
    auth.run_oauth_procedure unless auth.authorized?
    auth.oauth_access_token
  end

  # Fetches the ID of a wrike folder by name. Currently this is
  # limited to subfolders of "SRED Time Tracking/"
  def self.get_folder(access, folder)
    request = WrikeRequest.new(access)
    request.post('/api/json/v2/wrike.folder.tree', {})
    regex = Regexp.new(Regexp.escape("SRED Time Tracking/#{folder}"))
    if request.success?
      request.json["foldersTree"]["folders"].each_with_object([]) do |folder, arr|
        arr << folder['id'].to_i if folder['fullPath'] =~ regex
      end
    end
  end

  # Create a Wrike task and return its ID
  def self.create_task(access, title, description, parent_folder_ids)
    request = WrikeRequest.new(access)
    request.post('/api/json/v2/wrike.task.add', {
      title: title,
      description: description,
      status: 1,
      parents: parent_folder_ids
    })
    request.json["task"]["id"] if request.success?
  end

  # Attaches a timelog entry to a Wrike task
  def self.create_timelog(access, date, task_id, hours, comment='')
    request = WrikeRequest.new(access)
    request.post('/api/json/v2/wrike.timelog.add', {
      date: date,
      taskId: task_id,
      hours: hours,
      comment: comment
    })
  end


  # def self.run_oauth
  #   auth = WrikeAuth.new
  #   auth.run_oauth_procedure unless auth.authorized?


  #   parents = self.get_folder(auth.oauth_access_token)

  #   req = WrikeRequest.new(auth.oauth_access_token)
  #   puts req.post('/api/json/v2/wrike.task.add', {title: 'ermahgerd ruby', description: 'blah blah blah', parents: parents}).body

  #   req2 = WrikeRequest.new(auth.oauth_access_token)
  #   puts req2.post('/api/json/v2/wrike.timelog.add', {
  #     date: Util.time_stamp,
  #     taskId: req.json["task"]["id"],
  #     hours: 3.5,
  #     comment: 'lolz'
  #   })
  # end

end