// ==================== ENTRY POINT ====================
import { state } from './core/state.js';
import { initCanvas } from './core/canvas.js';
import { SERVER_URL } from './config.js';
import { initSocket } from './multiplayer/socket.js';
import { loadSound, playSound } from './audio/sound-engine.js';
import { BLOCKS } from './data/blocks.js';
import { ITEMS } from './data/items.js';
import { TOOLS } from './data/tools.js';
import { SMELTING_RECIPES } from './data/recipes.js';
import { initTextures, tex, itemTex } from './render/textures.js';
import { getBlock, setBlock, removeBlock } from './world/world-storage.js';
import { genColumn, surfaceGyAt, ensureGenAroundCamera, regenerateVisibleChunks } from './world/generation.js';
import { initDB, loadGame, applySave, saveGame } from './game/save.js';
import { loop } from './game/loop.js';
import { initChat } from './ui/chat.js';
import { initFurnace } from './ui/furnace.js';
import { initMinimap } from './ui/minimap.js';
import { initSaveControls, updateSaveButtonVisibility } from './ui/save-controls.js';
import { initMarket } from './ui/market.js';
import { initRespawn } from './ui/respawn.js';
import { initShare } from './ui/share.js';
import { initControls } from './input/controls.js';
import { initMouseHandlers } from './input/mouse-handler.js';
import { initModes } from './game/modes.js';
import { initVoice } from './multiplayer/voice-chat.js';
import { rebuildHotbar } from './ui/hotbar.js';
import { toggleCraft, closeCraft, toggleInventory, closeInventory } from './ui/craft.js';
import { renderCraft } from './ui/craft.js';

// ==================== 1) CONFIG — parse URL/getName ====================
const urlParams = new URLSearchParams(window.location.search);
state.SERVER_URL = SERVER_URL;
state.TELEGRAM_BOT_USERNAME = 'Grechkacraft_bot';
state.TELEGRAM_APP_SHORT_NAME = 'minegrechka';

// Player name
state.playerName = localStorage.getItem('minegrechka_playerName') || null;
if (!state.playerName) {
  state.playerName = prompt('Введите ваше имя для игры:') || 'Игрок';
  localStorage.setItem('minegrechka_playerName', state.playerName);
  console.log('Player name set:', state.playerName);
}

// World ID from URL or generate new
console.log('Current URL:', window.location.href);
const worldParam = urlParams.get('world');
console.log('world param:', worldParam);

state.worldId = (worldParam && worldParam.trim() !== '') ? worldParam : null;
console.log('worldId after params:', state.worldId, 'type:', typeof state.worldId);

if (!state.worldId) {
  state.worldId = Math.random().toString(36).substring(2, 10);
  console.log('Generated worldId:', state.worldId);

  try {
    const newUrl = new URL(window.location.href);
    newUrl.searchParams.set('world', state.worldId);
    const newUrlString = newUrl.toString();
    console.log('New URL to set:', newUrlString);

    if (typeof window.history !== 'undefined' && typeof window.history.replaceState === 'function') {
      window.history.replaceState(null, '', newUrlString);
      console.log('URL after replaceState:', window.location.href);
    } else {
      console.error('History API not supported!');
    }
  } catch (e) {
    console.error('Error updating URL:', e);
  }

  console.log('Generated new worldId for browser:', state.worldId);
}

console.log('Final worldId:', state.worldId, 'Player name:', state.playerName);

// ==================== 2) CANVAS — init from canvas module ====================
initCanvas();

// ==================== 3) STATE — set DOM refs ====================
state.hpEl = document.getElementById('hp');
state.foodEl = document.getElementById('food');
state.sxEl = document.getElementById('sx');
state.syEl = document.getElementById('sy');
state.todEl = document.getElementById('tod');
state.worldIdEl = document.getElementById('worldId');
state.playerCountEl = document.getElementById('playerCount');
state.deathEl = document.getElementById('death');
state.hotbarEl = document.getElementById('hotbar');
state.craftPanel = document.getElementById('craftPanel');
state.recipesEl = document.getElementById('recipes');
state.inventoryPanel = document.getElementById('inventoryPanel');
state.inventoryGrid = document.getElementById('inventoryGrid');
state.marketPanel = document.getElementById('marketPanel');
state.marketContent = document.getElementById('marketContent');
state.tradePanel = document.getElementById('tradePanel');
state.tradeContent = document.getElementById('tradeContent');
state.multiplayerStatus = document.getElementById('multiplayerStatus');

// ==================== 4) TEXTURES — initTextures() ====================
initTextures();
state.tex = tex;
state.itemTex = itemTex;

// ==================== 5) AUDIO — sounds already loaded by sound-engine.js module init ====================
// (sound-engine.js loads all sounds at module init time)

// ==================== 6) CRAFT/INVENTORY BUTTONS ====================
const craftBtn = document.getElementById('craftBtn');
const invToggle = document.getElementById('invToggle');
const craftClose = document.getElementById('craftClose');
const inventoryClose = document.getElementById('inventoryClose');

if (craftBtn) craftBtn.onclick = () => toggleCraft();
if (craftClose) craftClose.onclick = () => closeCraft();
if (invToggle) invToggle.onclick = () => toggleInventory();
if (inventoryClose) inventoryClose.onclick = () => closeInventory();

// ==================== 7) CONTROLS — initControls ====================
initControls();

// ==================== 8) MOUSE — initMouseHandlers ====================
initMouseHandlers();

// ==================== 9) UI MODULES — init all UI ====================
initChat();
initFurnace();
initMinimap();
initSaveControls();
initMarket();
initRespawn();
initShare();
initModes();

// ==================== 10) SOCKET — initSocket ====================
initSocket();

// ==================== 11) VOICE — initVoice ====================
initVoice();

// ==================== 12) SAVE — loadGame, applySave ====================
rebuildHotbar();

initDB().then(async () => {
  const loadedSave = await loadGame();
  if (loadedSave) {
    await applySave(loadedSave);
    console.log('Загружено сохранение, HP:', state.player.hp);

    if (state.player.hp <= 0) {
      console.log('WARNING: HP <= 0 после загрузки, возрождаемся');
      state.player.hp = 100;
      state.player.hunger = 100;
      state.player.o2 = 100;
      state.player.x = state.spawnPoint.x;
      state.player.y = state.spawnPoint.y;
      state.player.vx = state.player.vy = 0;
      state.player.invuln = 0;
      state.player.fallStartY = state.player.y;
    }
  } else {
    console.log('Сохранение не найдено, начинаем новую игру');

    state.player.hp = 100;
    state.player.hunger = 100;
    state.player.o2 = 100;
    state.player.vx = state.player.vy = 0;
    state.player.invuln = 0;

    // старт — на поверхности
    const startGX = 6;
    for (let dx = -3; dx <= 3; dx++) genColumn(startGX + dx);
    const surfaceY = surfaceGyAt(startGX);
    let safeGY = surfaceY - 1;
    const aboveBlock = getBlock(startGX, surfaceY - 1);
    if (aboveBlock && aboveBlock.t === 'water') {
      for (let gy = state.SEA_GY - 1; gy >= 0; gy--) {
        const b = getBlock(startGX, gy);
        if (!b || b.dead || b.t === 'air' || b.t === 'water') continue;
        safeGY = gy - 1;
        break;
      }
    }
    state.player.y = safeGY * state.TILE;
    state.player.x = startGX * state.TILE;
    state.player.fallStartY = state.player.y;

    state.spawnPoint.x = state.player.x;
    state.spawnPoint.y = state.player.y;

    console.log('Новая игра: startGX=', startGX, 'surfaceY=', surfaceY, 'player.y=', state.player.y);

    // Генерируем карту вокруг стартовой позиции
    for (let gx = startGX - 50; gx <= startGX + 50; gx++) {
      genColumn(gx);
    }
  }

  // Автосейв при скрытии страницы
  document.addEventListener('visibilitychange', () => {
    if (document.hidden) {
      saveGame();
    }
  });

  // Автосейв перед закрытием страницы
  window.addEventListener('beforeunload', () => {
    saveGame();
  });
}).catch(err => {
  console.error('Ошибка инициализации:', err);
  const startGX = 6;
  genColumn(startGX);
  state.player.y = (surfaceGyAt(startGX) - 1) * state.TILE;
  state.player.fallStartY = state.player.y;

  for (let gx = startGX - 50; gx <= startGX + 50; gx++) {
    genColumn(gx);
  }
});

// ==================== 13) LOOP — startLoop ====================
requestAnimationFrame(loop);