'use strict';

const LESSON_TITLE = 'Kultur: Höflichkeit, Familie, Alltag';

module.exports = {
  async up(queryInterface) {
    await queryInterface.sequelize.transaction(async (transaction) => {
      // The old task asked for a soft refusal to an invitation, but expected
      // the unrelated cultural keyword "respeto". Test the matching phrase.
      await queryInterface.sequelize.query(`
        UPDATE community.vocab_grammar_exercise AS exercise
        SET question_data = '{"type":"gap_fill","text":"{gap}","gaps":1}'::jsonb,
            answer_data = '{"type":"gap_fill","answers":["Dili lang sa karon."]}'::jsonb,
            explanation = 'Das Kernmuster lautet: "Dili lang sa karon."'
        FROM community.vocab_course_lesson AS lesson
        WHERE exercise.lesson_id = lesson.id
          AND (lesson.id = 40 OR (lesson.course_id = 1 AND lesson.lesson_number = 43))
          AND exercise.title = :lessonTitle || ': Kernmuster ergänzen'
          AND exercise.question_data->>'type' = 'gap_fill'
          AND exercise.answer_data->'answers' @> '["respeto"]'::jsonb;
      `, { replacements: { lessonTitle: LESSON_TITLE }, transaction });
    });
  },

  async down() {
    // Do not restore the semantically mismatched task.
  }
};