// ==================== ENTRY POINT ====================
import { state } from './core/state.js';
import { initSocket } from './multiplayer/socket.js';
import { sendBlockChange, sendPlayerPosition } from './multiplayer/socket-helpers.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 } 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 { 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 { resolveY, resolveX } from './physics/collision.js';
import { calculateDamage } from './entities/player.js';
import { updateWaterFlag } from './physics/water-detect.js';
import { updateWaterPhysics } from './physics/water.js';
import { explodeAt, activateTNT } from './world/tnt.js';
import { useTool } from './data/tools.js';
import { rebuildHotbar } from './ui/hotbar.js';

// ==================== 1) CONFIG — parse URL/getName ====================
const urlParams = new URLSearchParams(window.location.search);
state.SERVER_URL = urlParams.get('server') || 'https://apigrech.mkn8n.ru';
state.TELEGRAM_BOT_USERNAME = 'Grechkacraft_bot';
state.TELEGRAM_APP_SHORT_NAME = 'minegrechka';

// Защита от mixed content
if (location.protocol === 'https:' && state.SERVER_URL.startsWith('http://')) {
  console.warn('⚠️ Mixed content warning: page is HTTPS but server URL is HTTP');
  alert('⚠️ Предупреждение: страница загружена по HTTPS, но сервер использует HTTP. Это может вызвать проблемы.');
}

// 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 — get elements, resize ====================
state.gameEl = document.getElementById('game');
state.canvas = document.getElementById('c');
state.ctx = state.canvas.getContext('2d');

// offscreen light map
state.lightC = document.createElement('canvas');
state.lightCtx = state.lightC.getContext('2d');

state.dpr = Math.max(1, window.devicePixelRatio || 1);

function resize() {
  state.W = state.gameEl.clientWidth;
  state.H = state.gameEl.clientHeight;
  state.canvas.width = state.W * state.dpr;
  state.canvas.height = state.H * state.dpr;
  state.lightC.width = state.W * state.dpr;
  state.lightC.height = state.H * state.dpr;
  state.ctx.setTransform(state.dpr, 0, 0, state.dpr, 0, 0);
}
window.addEventListener('resize', resize);
resize();

// ==================== 3) STATE — init player, inv, etc ====================
state.otherPlayers = new Map();
state.serverMobs = new Map();
state.grid = new Map();
state.blocks = [];
state.generated = new Set();
state.serverOverrides = new Map();
state.activeFurnaces = new Map();
state.activeTNT = new Set();
state.toolDurability = new Map();
state.worldSeed = Math.floor(Math.random() * 1000000);

// Clouds
state.clouds = Array.from({ length: 10 }, () => ({
  x: Math.random() * 2000,
  y: -200 - Math.random() * 260,
  w: 80 + Math.random() * 120,
  s: 12 + Math.random() * 20
}));

// Weather
state.weatherTimer = 0;
state.weatherChangeInterval = 60 + Math.random() * 120;

// Player spawn
state.player.x = 6 * state.TILE;
state.player.y = 0;
state.spawnPoint.x = 6 * state.TILE;
state.spawnPoint.y = 0;

// Hero image
state.heroImg = new Image();
state.heroImg.src = 'https://supamg.mkn8n.ru/storage/v1/object/public/img//grechka.png';

// UI elements
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');

// ==================== 4) TEXTURES — initTextures() ====================
initTextures();

// ==================== 5) AUDIO — loadSound for each ====================
loadSound('splash', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//splash.mp3');
loadSound('sand1', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//sand1.mp3');
loadSound('snow1', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//snow1.mp3');
loadSound('stone1', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//stone1.mp3');
loadSound('wood1', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//wood1.mp3');
loadSound('cloth1', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//cloth1.mp3');
loadSound('fire', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//fire.mp3');
loadSound('hit1', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//hit1.mp3');
loadSound('attack', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//attack.mp3');
loadSound('hurt_chicken', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//hurt1_chicken.mp3');
loadSound('stone_build', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//stone1%20(1).mp3');
loadSound('wood_build', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//wood1%20(1).mp3');
loadSound('click', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//click.mp3');
loadSound('explode1', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//explode1.mp3');
loadSound('glass1', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//glass1.mp3');
loadSound('eat1', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//eat1.mp3');
loadSound('step', 'https://supamg.mkn8n.ru/storage/v1/object/public/sounds//sand2.mp3');

// ==================== 6) CONTROLS — initControls ====================
initControls();

// ==================== 7) MOUSE — initMouseHandlers ====================
initMouseHandlers();

// ==================== 8) UI MODULES — init all UI ====================
initChat();
initFurnace();
initMinimap();
initSaveControls();
initRespawn();
initShare();
initModes();

// ==================== 9) SOCKET — initSocket ====================
initSocket();

// ==================== 10) VOICE — initVoice ====================
initVoice();

// ==================== 11) 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);