// Core game elements
const statusEl = document.getElementById('status');
const timerEl = document.getElementById('timer');
const gameInfoEl = document.getElementById('game-info');
const guessInput = document.getElementById('guess-input');
const submitGuessBtn = document.getElementById('submit-guess');
const feedbackSection = document.getElementById('feedback-section');
const guessedWordEl = document.getElementById('guessed-word');
const guessScoreEl = document.getElementById('guess-score');
const feedbackTextEl = document.getElementById('feedback-text');
const chatContent = document.getElementById('chat-content');
const gridContainer = document.getElementById('grid-container');

// Game state variables
let countdownInterval;
const playerName = 'Player1';
let squareCount = 0;
let chatCount = 1;

// Grid management functions
const updateGrid = () => {
  const cols = Math.ceil(Math.sqrt(squareCount));
  const rows = Math.ceil(squareCount / cols);
  gridContainer.style.gridTemplateColumns = `repeat(${cols}, minmax(0, 1fr))`;
};

const addSquare = () => {
  squareCount++;
  updateGrid();
  const colors = ["cerulean", "light-sea-green", "sunset", "floral-white", "light-red"];
  
  const square = document.createElement("div");
  square.className = `${colors[(squareCount - 1) % colors.length]} w-16 h-16 rounded-md shadow-md flex flex-col items-center justify-center text-black font-bold pop-in`;
  square.innerHTML = `
    <span class="iconify" data-icon="mdi:account" data-width="24" data-height="24"></span>
    Student ${squareCount}
  `;
  gridContainer.appendChild(square);
};

const removeSquare = () => {
  if (squareCount > 0) {
    const squareToRemove = gridContainer.lastElementChild;
    squareToRemove.classList.add("pop-out");
    setTimeout(() => {
      squareToRemove.remove();
      squareCount--;
      updateGrid();
    }, 300);
  }
};

// Chat functionality
const addStreamMessage = (message, type = 'user') => {
  if (!message.trim()) return;

  const chatLine = document.createElement("div");
  chatLine.className = "text-gray-700 flex items-center gap-2";
  
  if (type === 'system') {
    chatLine.innerHTML = `<span class="font-bold text-blue-600">${message}</span>`;
  } else if (type === 'student') {
    chatLine.innerHTML = `<span class="font-bold text-green-600">${message}</span>`;
  } else if (type === 'system2') {
    chatLine.innerHTML = `<span class="font-bold text-red-600">${message}</span>`;
  }
  else {
    chatLine.innerHTML = `<span class="font-bold">${chatCount}.</span> <span>${message}</span>`;
    chatCount++;
  }
  
  chatContent.appendChild(chatLine);
  chatContent.scrollTop = chatContent.scrollHeight;
};

// Timer functionality
function startCountdown(endTimestamp) {
  if (countdownInterval) {
    clearInterval(countdownInterval);
  }

  function updateTimer() {
    const now = new Date().getTime();
    const timeLeft = endTimestamp - now;

    if (timeLeft <= 0) {
      clearInterval(countdownInterval);
      timerEl.textContent = 'Time\'s up!';
      timerEl.classList.add('text-red-600');
      fetchGameState();
      return;
    }

    const seconds = Math.floor(timeLeft / 1000);
    timerEl.textContent = `${seconds}s`;
  }

  updateTimer();
  countdownInterval = setInterval(updateTimer, 1000);
}

// Game state management
function updateGameState(data) {
  gameInfoEl.innerHTML = '';
  statusEl.textContent = data.message || '';

  if (data.session_id) {
    const infoHtml = `
      <div>
        Session: ${data.session_id || ''}<br>
        Turn: ${data.turn_number || ''}<br>
        Word: ${data.word || ''}
      </div>
    `;
    gameInfoEl.innerHTML = infoHtml;

    const turnNumber = parseInt(data.turn_number) || 0;
    
    if (turnNumber === 1 && data.hint0) {
      addStreamMessage(data.hint0, 'system');
    }
    else if (turnNumber === 3 && data.hint1) {
      addStreamMessage(data.hint1, 'system');
    }
    else if (turnNumber === 5 && data.hint2) {
      addStreamMessage(data.hint2, 'system');
    }
    else if (turnNumber === 7 && data.hint3) {
      addStreamMessage(data.hint3, 'system');
    }

    if (data.end_timestamp) {
      startCountdown(data.end_timestamp);
    }
  }
}

// API interactions
async function submitAdvice(adviceText) {
  guessText = adviceText;
  if (!guessText) return;

  submitGuessBtn.disabled = true;
  submitGuessBtn.classList.add('opacity-75');

  try {
    const formData = new FormData();
    formData.append('guess_text', guessText);
    formData.append('player_name', playerName);
    formData.append('personality', document.getElementById('personality-select').value);

    const response = await fetch('https://lemot.online/player/submit_guess/', {
      method: 'POST',
      body: formData
    });
    
    const data = await response.json();
    
    if (data.error) {
      statusEl.textContent = data.message || "Error submitting guess.";
      statusEl.classList.add('text-red-600');
      addStreamMessage('Error submitting guess', 'system');
    } else {
      feedbackSection.classList.remove('hidden');
      guessedWordEl.textContent = data.guessed_word;
      guessScoreEl.textContent = `${data.score} / 10`;
      // feedbackTextEl.textContent = data.feedback;
      addStreamMessage(data.feedback, type='student');
      
      addStreamMessage(`${data.guessed_word} - Score: ${data.score} / 10`);
      if (data.score === 10) {
        addStreamMessage("Congratulations! You've guessed the word correctly!", 'system2');
      }
      guessInput.value = '';
      fetchGameState();
    }
  } catch (err) {
    console.error(err);
    statusEl.textContent = "Error submitting guess.";
    statusEl.classList.add('text-red-600');
  } finally {
    submitGuessBtn.disabled = false;
    submitGuessBtn.classList.remove('opacity-75');
  }
}

function fetchGameState() {
  const formData = new FormData();
  formData.append('player_name', playerName);

  fetch('https://lemot.online/player/play/', {
    method: 'POST',
    body: formData
  })
  .then(res => res.json())
  .then(data => {
    if (data.error) {
      statusEl.textContent = data.message;
      statusEl.classList.add('text-red-600');
      addStreamMessage(data.message, 'system');
    } else {
      statusEl.classList.remove('text-red-600');
      updateGameState(data);
    }
  })
  .catch(err => {
    console.error(err);
    statusEl.textContent = "Error fetching game state.";
    addStreamMessage("Error fetching game state", 'system');
  });
  
}

// Event listeners
let isProcessing = false;

submitGuessBtn.addEventListener('click', () => {
    if (isProcessing) return;
    
    isProcessing = true;
    const guessAdvice = guessInput.value.trim();
    guessInput.value = ''; 
    submitAdvice(guessAdvice);
    
    setTimeout(() => {
        isProcessing = false;
    }, 1000);
});

guessInput.addEventListener('keypress', (e) => {
  if (e.key === 'Enter') {
    const guessText = guessInput.value.trim();
    submitAdvice(guessText);
  }
});

// Initialize game
window.addEventListener('load', fetchGameState);