# frozen_string_literal: true

class GridCharacter < ApplicationRecord
  belongs_to :party,
             counter_cache: :weapons_count,
             inverse_of: :characters
  validates_presence_of :party

  validate :awakening_level, on: :update
  validate :transcendence, on: :update
  validate :over_mastery_attack, on: :update
  validate :over_mastery_hp, on: :update
  validate :over_mastery_attack_matches_hp, on: :update

  ##### Amoeba configuration
  amoeba do
    nullify :ring1
    nullify :ring2
    nullify :ring3
    nullify :ring4
    nullify :earring
    nullify :perpetuity
  end

  def awakening_level
    return if awakening.nil?

    errors.add(:awakening, 'awakening level too low') if awakening['level'] < 1
    errors.add(:awakening, 'awakening level too high') if awakening['level'] > 9
  end

  def transcendence
    errors.add(:transcendence_step, 'character has no transcendence') if transcendence_step > 0 && !character.ulb
    errors.add(:transcendence_step, 'transcendence step too high') if transcendence_step > 5 && character.ulb
    errors.add(:transcendence_step, 'transcendence step too low') if transcendence_step < 0 && character.ulb
  end

  def over_mastery_attack
    errors.add(:ring1, 'invalid value') unless ring1['modifier'].nil? || atk_values.include?(ring1['strength'])
  end

  def over_mastery_hp
    return if ring2['modifier'].nil?

    errors.add(:ring2, 'invalid value') unless hp_values.include?(ring2['strength'])
  end

  def over_mastery_attack_matches_hp
    return if ring1[:modifier].nil? && ring2[:modifier].nil?

    return if ring2[:strength] == (ring1[:strength] / 2)

    errors.add(:over_mastery,
               'over mastery attack and hp values do not match')
  end

  def character
    Character.find(character_id)
  end

  def blueprint
    GridCharacterBlueprint
  end

  private

  def atk_values
    [300, 600, 900, 1200, 1500, 1800, 2100, 2400, 2700, 3000]
  end

  def hp_values
    [150, 300, 450, 600, 750, 900, 1050, 1200, 1350, 1500]
  end
end