<?php

namespace Yuvayana\Acadlix\Common\Models;

use Illuminate\Database\Eloquent\Model;

defined('ABSPATH') || exit();

if (!class_exists('QuestionLang')) {
  class QuestionLang extends Model
  {
    protected $table;

    protected $fillable = [
      'question_id',
      'language_id',
      'default',
      'question',
      'correct_msg',
      'incorrect_msg',
      'hint_msg',
      'answer_data',
      'meta',
    ];

    protected $casts = [
      'question_id' => 'integer',
      'language_id' => 'integer',
      'default' => 'integer',
    ];

    protected $appends = [
      'language',
      'rendered_question',
      'rendered_correct_msg',
      'rendered_incorrect_msg',
      'rendered_hint_msg',
      'rendered_answer_data',
    ];

    public function __construct(array $attributes = [])
    {
      parent::__construct($attributes);

      $this->table = acadlix()->helper()->acadlix_table_prefix('question_lang');
    }

    public function question()
    {
      return $this->belongsTo(acadlix()->model()->question(), 'question_id', 'id');
    }

    public function getLanguageAttribute()
    {
      if (!is_null($this->language_id)) {
        return acadlix()->model()->language()->find($this->language_id);
      }
      return [];
    }

    public function getRenderedQuestionAttribute()
    {
      return !empty($this->question)
        ? acadlix()->helper()->renderShortCode($this->question)
        : '';
    }

    public function getRenderedCorrectMsgAttribute()
    {
      return !empty($this->correct_msg)
        ? acadlix()->helper()->renderShortCode($this->correct_msg)
        : '';
    }

    public function getRenderedIncorrectMsgAttribute()
    {
      return !empty($this->incorrect_msg)
        ? acadlix()->helper()->renderShortCode($this->incorrect_msg)
        : '';
    }

    public function getRenderedHintMsgAttribute()
    {
      return !empty($this->hint_msg)
        ? acadlix()->helper()->renderShortCode($this->hint_msg)
        : '';
    }

    public function setAnswerDataAttribute($value)
    {
      $this->attributes['answer_data'] = maybe_serialize($value);
    }

    public function getAnswerDataAttribute($value)
    {
      return maybe_unserialize($value);
    }

    public function getRenderedAnswerDataAttribute()
    {
      $value = $this->answer_data;
      $answer_type = $this->question()->value('answer_type');  // faster than ->first()

      // Validate before looping
      if (in_array($answer_type, ['singleChoice', 'multipleChoice', 'sortingChoice'], true)) {
        // Ensure the key exists and is an array
        if (!empty($value[$answer_type]) && is_array($value[$answer_type])) {
          foreach ($value[$answer_type] as $okey => $opt) {
            if (!empty($opt['option'])) {
              $opt['option'] = acadlix()->helper()->renderShortCode($opt['option']);
            }
            $value[$answer_type][$okey] = $opt;
          }
        }
      }

      return $value;
    }

    public function emptyAnswerData()
    {
      $value = $this->answer_data;
      $answer_type = $this->question()->first()->answer_type;
      if (in_array($answer_type, ['singleChoice', 'multipleChoice', 'sortingChoice'])) {
        foreach ($value[$answer_type] as $okey => $opt) {
          $opt['option'] = '';
          $value[$answer_type][$okey] = $opt;
        }
        return $value;
      }
      return $value;
    }
  }
}