'use strict';

/** Replaces a context-free food gap with a clearly answerable table setting. */
module.exports = {
  async up(queryInterface) {
    await queryInterface.sequelize.query(`
      UPDATE community.vocab_grammar_exercise AS exercise
      SET title = 'Essen & Trinken: Auf dem Tisch ergänzen',
          instruction = 'Auf dem Tisch stehen Reis, Fisch und Wasser. Ergänze das fehlende Bisaya-Wort.',
          question_data = '{"type":"gap_fill","text":"{gap}, isda ug tubig.","gaps":1}'::jsonb,
          answer_data = '{"type":"gap_fill","answers":["Kan-on"]}'::jsonb,
          explanation = 'Kan-on bedeutet gekochter Reis. Der ganze Ausdruck lautet: „Kan-on, isda ug tubig.“'
      FROM community.vocab_course_lesson AS lesson
      WHERE exercise.lesson_id = lesson.id
        AND lesson.lesson_number = 8
        AND lesson.title = 'Essen & Trinken'
        AND exercise.exercise_number = 3
        AND exercise.title = 'Essen & Trinken: Kernmuster ergänzen';
    `);
  },

  async down() {
    // Do not restore the ambiguous exercise.
  }
};