#encoding: utf-8

module Flyboy
  class Task < ActiveRecord::Base
    include Dorsale::Search
    include Dorsale::PolymorphicId

    paginates_per 50

    belongs_to :taskable, polymorphic: true
    has_many :comments, class_name: Flyboy::TaskComment, inverse_of: :task, dependent: :destroy
    polymorphic_id_for :taskable

    validates :taskable, presence: true
    validates :name,    presence: true
    validates :term,     presence: true
    validates :reminder, presence: true

    validate :validates_reminder_and_term

    def validates_reminder_and_term
      if reminder && term && reminder > term
        # errors.add(:reminder, "La date de relance doit être antérieure ou égale à la date d'échéance")
        errors.add(:reminder, :less_than, count: term)
      end
    end

    def initialize(*args)
      super
      self.done = false                                    if done.nil?
      self.reminder = Date.today + snooze_default_reminder if reminder.nil?
      self.term     = Date.today + snooze_default_term     if term.nil?
      self.progress = 0                                    if progress.nil?
    end

    after_save    :update_taskable_progress!
    after_destroy :update_taskable_progress!

    def update_taskable_progress!
      taskable.try(:update_progress!)
    end

    def snooze
      if term_not_passed_yet
        if self.reminder + snooze_default_reminder > Date.today
          self.reminder += snooze_default_reminder
          self.term     += snooze_default_term
        else
          self.reminder = Date.today + 1
        end
      else
        self.reminder = Date.today + snooze_default_reminder
        self.term     = Date.today + snooze_default_term
      end
    end

    def snooze_default_reminder
      7
    end

    def snooze_default_term
      30
    end

    def self.to_csv(options = {})
      CSV.generate(options) do |csv|
        csv << [
          "Taskable",
          "Type",
          "Avancement taskable",
          "Tâche",
          "Avancement tâche",
          "Echéance"
        ]

        all.each do |task|
          csv << [
            task.taskable.name,
            task.taskable.class.model_name.human,
            "#{task.taskable.try(:progress)} %",
            task.name,
            "#{task.progress} %",
            I18n.l(task.term),
          ]
        end
      end
    end

    def term_not_passed_yet
      self.term > Date.today
    end
  end
end