// Runtime fixes for puzzle forms and hints.

(function () {

  function findPuzzle(id) {

    for (const act of Acts.data) {

      const puzzle = act.sections.find(section => section.id === id);

      if (puzzle) return puzzle;

    }

    return null;

  }

  Acts.checkPuzzle = function (puzzleId, answer) {

    const puzzle = findPuzzle(puzzleId);

    const form = document.querySelector(`.puzzle-form[data-puzzle-id="${puzzleId}"]`);

    if (!puzzle || !form) return;

    const result = form.querySelector('.puzzle-result');

    const input = form.querySelector('input');

    const normalize = value => String(value || '').trim().toUpperCase().replace(/[^A-Z0-9 ]/g, '').replace(/\s+/g, ' ');

    const accepted = [puzzle.answer, ...(puzzle.alternate_answers || [])].map(normalize);

    if (accepted.includes(normalize(answer))) {

      result.textContent = `✓ ${puzzle.successMessage || 'Correct.'}`;

      result.className = 'puzzle-result success';

      input.disabled = true;

      form.querySelector('button[type="submit"]').disabled = true;

      GameState.solvePuzzle(puzzleId);

      (puzzle.rewards || []).forEach(reward => {

        if (reward.type === 'item') GameState.addItem(reward.id, { name: reward.name, description: reward.description, icon: '📦' });

        if (reward.type === 'evidence') GameState.addEvidence(reward.id, { title: reward.name, description: reward.description });

        if (reward.type === 'unlock') GameState.unlockSection(reward.section);

      });

      const fill = document.querySelector('.progress-fill');

      if (fill) fill.style.width = `${GameState.getCompletion()}%`;

    } else {

      result.textContent = '✗ INCORRECT. Try again.';

      result.className = 'puzzle-result error';

      GameState.recordAttempt(puzzleId, answer);

      input.value = '';

      input.focus();

    }

  };

  Acts.showHint = function (puzzleId) {

    const puzzle = findPuzzle(puzzleId);

    const form = document.querySelector(`.puzzle-form[data-puzzle-id="${puzzleId}"]`);

    if (!puzzle || !form || !puzzle.hints) return;

    Acts.attemptCount = Acts.attemptCount || {};

    const index = Math.min(Acts.attemptCount[puzzleId] || 0, puzzle.hints.length - 1);

    const result = form.querySelector('.puzzle-result');

    result.textContent = `💡 ${puzzle.hints[index]}`;

    result.className = 'puzzle-result hint';

    Acts.attemptCount[puzzleId] = index + 1;

  };

})();