/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
// BossEnemy class (big zombie boss)
var BossEnemy = Container.expand(function () {
	var self = Container.call(this);
	var bossSprite = self.attachAsset('boss_enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = 120;
	self.speed = 0.7;
	self.hp = 30;
	self.update = function () {
		var dx = hero.x - self.x;
		var dy = hero.y - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > 0) {
			self.x += dx / dist * self.speed;
			self.y += dy / dist * self.speed;
		}
	};
	return self;
});
// Bullet class
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletSprite = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = 18;
	self.speed = 9.5;
	self.dirX = 1;
	self.dirY = 0;
	self.pierce = 1;
	self.update = function () {
		self.x += self.dirX * self.speed;
		self.y += self.dirY * self.speed;
	};
	return self;
});
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemySprite = self.attachAsset('enemy_right', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = 50;
	self.speed = 1.5 + Math.random();
	self.update = function () {
		var dx = hero.x - self.x;
		var dy = hero.y - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > 0) {
			self.x += dx / dist * self.speed;
			self.y += dy / dist * self.speed;
		}
		if (self.children && self.children.length > 0) {
			var currentSprite = self.children[0];
			var shouldFaceRight = hero.x > self.x;
			var isLeftSprite = currentSprite.assetId === 'enemy_left';
			var isRightSprite = currentSprite.assetId === 'enemy_right';
			if (shouldFaceRight && !isRightSprite) {
				self.removeChild(currentSprite);
				var newSprite = self.attachAsset('enemy_right', {
					anchorX: 0.5,
					anchorY: 0.5
				});
				newSprite.assetId = 'enemy_right';
			} else if (!shouldFaceRight && !isLeftSprite) {
				self.removeChild(currentSprite);
				var newSprite = self.attachAsset('enemy_left', {
					anchorX: 0.5,
					anchorY: 0.5
				});
				newSprite.assetId = 'enemy_left';
			}
		}
	};
	return self;
});
// Experience Gem class (handles both normal and big XP gems)
var Gem = Container.expand(function (opts) {
	var self = Container.call(this);
	// Default to normal gem
	self.type = opts && opts.type || 'xp';
	if (self.type === 'big') {
		var gemSprite = self.attachAsset('big_xp_gem', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.radius = 30;
	} else {
		var gemSprite = self.attachAsset('xp_gem', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.radius = 20;
	}
	self.update = function () {};
	return self;
});
// Hero class
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroSprite = self.attachAsset('hero_right', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = 60;
	self.speed = 15;
	self.targetX = 1024;
	self.targetY = 1366;
	self.magnetActive = false;
	self.magnetDuration = 0;
	self.magnetRange = 300;
	self.magnetRangeBoosted = 800;
	self.update = function () {
		var dx = self.targetX - self.x;
		var dy = self.targetY - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > 10) {
			var move = Math.min(self.speed, dist);
			var prevX = self.x;
			self.x += dx / dist * move;
			self.y += dy / dist * move;
			if (self.children && self.children.length > 0) {
				var currentSprite = self.children[0];
				var isLeftSprite = currentSprite.assetId === 'hero_left';
				var isRightSprite = currentSprite.assetId === 'hero_right';
				if (self.x < prevX && !isLeftSprite) {
					self.removeChild(currentSprite);
					var newSprite = self.attachAsset('hero_left', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					newSprite.assetId = 'hero_left';
				} else if (self.x > prevX && !isRightSprite) {
					self.removeChild(currentSprite);
					var newSprite = self.attachAsset('hero_right', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					newSprite.assetId = 'hero_right';
				}
			}
		}
		if (self.magnetActive) {
			// Make hero glow blue while magnet is active
			if (!self._magnetGlowActive) {
				LK.effects.flashObject(self, 0x00ffff, 60000); // long duration, will be reset when deactivated
				self._magnetGlowActive = true;
			}
			self.magnetDuration--;
			if (self.magnetDuration <= 0) {
				self.magnetActive = false;
				self._magnetGlowActive = false;
				LK.effects.flashObject(self, 0xff0000, 600);
			}
		} else {
			self._magnetGlowActive = false;
		}
	};
	return self;
});
// Powerup class (now only for magnet)
var Powerup = Container.expand(function (opts) {
	var self = Container.call(this);
	self.isMagnet = opts && opts.isMagnet || false;
	if (self.isMagnet) {
		self.attachAsset('magnet_powerup', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	}
	self.radius = 30;
	self.update = function () {};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x444444
});

/**** 
* Game Code
****/ 
var hero;
var heroLives = 5;
var enemies = [];
var bullets = [];
var gems = [];
var powerups = [];
var spawnTimer = 0;
var spawnInterval = 90;
var wave = 1;
var xp = 0;
var xpToLevel = 10;
var level = 1;
var dragging = false;
var lastGameOver = false;
var scoreTxt, xpTxt, levelTxt;
var centerX = 2048 / 2;
var centerY = 2732 / 2;
hero = new Hero();
hero.x = centerX;
hero.y = centerY;
game.addChild(hero);
scoreTxt = new Text2('Score: 0', {
	size: 54,
	fill: "#fff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var livesTxt = new Text2('Lives: ' + heroLives, {
	size: 36,
	fill: 0xFF5555
});
livesTxt.anchor.set(0.5, 0);
livesTxt.y = 60;
LK.gui.top.addChild(livesTxt);
var timerTxt = new Text2('00:00', {
	size: 54,
	fill: "#fff"
});
timerTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(timerTxt);
var magnetTimerTxt = new Text2('', {
	size: 44,
	fill: 0x00FFFF
});
magnetTimerTxt.anchor.set(1, 0);
magnetTimerTxt.y = 60;
LK.gui.topRight.addChild(magnetTimerTxt);
xpTxt = new Text2('XP: 0/10', {
	size: 36,
	fill: 0x7BE495
});
xpTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(xpTxt);
xpTxt.y = 110;
levelTxt = new Text2('Level: 1', {
	size: 36,
	fill: 0xF7E967
});
levelTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(levelTxt);
levelTxt.y = 180;
function spawnEnemy() {
	var edge = Math.floor(Math.random() * 4);
	var x, y;
	var useRight = false;
	if (edge === 0) {
		x = Math.random() * 2048;
		y = -100;
		if (x > 1024) {
			useRight = true;
		}
	} else if (edge === 1) {
		x = 2048 + 100;
		y = Math.random() * 2732;
		useRight = true;
	} else if (edge === 2) {
		x = Math.random() * 2048;
		y = 2732 + 100;
		if (x > 1024) {
			useRight = true;
		}
	} else {
		x = -100;
		y = Math.random() * 2732;
	}
	var enemy = new Enemy();
	if (useRight && enemy.children && enemy.children.length > 0) {
		var oldSprite = enemy.children[0];
		enemy.removeChild(oldSprite);
		var enemyLeftSprite = enemy.attachAsset('enemy_left', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	}
	enemy.x = x;
	enemy.y = y;
	enemies.push(enemy);
	game.addChild(enemy);
}
function spawnGem(x, y, opts) {
	var gem = new Gem(opts);
	gem.x = x;
	gem.y = y;
	gems.push(gem);
	game.addChild(gem);
}
function spawnMagnetPowerup(x, y) {
	var powerup = new Powerup({
		isMagnet: true
	}); // isMagnet parametresiyle oluştur
	powerup.x = x;
	powerup.y = y;
	powerups.push(powerup);
	game.addChild(powerup);
}
function spawnPowerup(x, y) {
	var powerup = new Powerup({
		isMagnet: false
	}); // Diğer poweruplar
	powerup.x = x;
	powerup.y = y;
	powerups.push(powerup);
	// Remove and re-add to ensure it's above any background (if present)
	if (game.children && game.children.length > 0) {
		game.removeChild(powerup);
		game.addChild(powerup);
	} else {
		game.addChild(powerup);
	}
}
function fireBullet(dx, dy) {
	var bullet = new Bullet();
	bullet.x = hero.x;
	bullet.y = hero.y;
	bullet.pierce = Bullet.prototype.pierce || 1;
	var dist = Math.sqrt(dx * dx + dy * dy);
	if (dist === 0) {
		bullet.dirX = 1;
		bullet.dirY = 0;
	} else {
		bullet.dirX = dx / dist;
		bullet.dirY = dy / dist;
	}
	bullet.rotation = Math.atan2(bullet.dirY, bullet.dirX);
	bullets.push(bullet);
	game.addChild(bullet);
}
function randomDir() {
	var angle = Math.random() * Math.PI * 2;
	return {
		x: Math.cos(angle),
		y: Math.sin(angle)
	};
}
function dist2(a, b) {
	var dx = a.x - b.x;
	var dy = a.y - b.y;
	return Math.sqrt(dx * dx + dy * dy);
}
game.down = function (x, y, obj) {
	if (x < 100 && y < 100) {
		return;
	}
	hero.targetX = x;
	hero.targetY = y;
	dragging = true;
};
game.move = function (x, y, obj) {
	hero.targetX = x;
	hero.targetY = y;
};
game.up = function (x, y, obj) {
	dragging = false;
};
var ticksSurvived = 0;
var autoAttackTimer = 0;
var autoAttackInterval = 96;
game.update = function () {
	hero.update();
	for (var i = enemies.length - 1; i >= 0; i--) {
		var e = enemies[i];
		e.update();
		// Track lastWasTouchingHero for exact frame detection
		if (typeof e.lastWasTouchingHero === "undefined") e.lastWasTouchingHero = false;
		var isTouchingHero = dist2(e, hero) < e.radius + hero.radius;
		if (!e.lastWasTouchingHero && isTouchingHero) {
			LK.effects.flashScreen(0xff0000, 1000);
			heroLives--;
			livesTxt.setText('Lives: ' + heroLives);
			if (heroLives <= 0) {
				LK.showGameOver();
				lastGameOver = true;
			}
		}
		e.lastWasTouchingHero = isTouchingHero;
	}
	for (var i = bullets.length - 1; i >= 0; i--) {
		var b = bullets[i];
		b.update();
		if (b.x < -100 || b.x > 2148 || b.y < -100 || b.y > 2832) {
			b.destroy();
			bullets.splice(i, 1);
			continue;
		}
		for (var j = enemies.length - 1; j >= 0; j--) {
			var e = enemies[j];
			if (dist2(b, e) < b.radius + e.radius) {
				// Boss enemy logic
				if (typeof e.hp === "number" && e.hp > 0) {
					e.hp -= 1;
					LK.effects.flashObject(e, 0xffffff, 120);
					if (e.hp <= 0) {
						// Boss defeated: drop multiple big gems and normal gems
						for (var drop = 0; drop < 3; drop++) {
							var angle = Math.random() * Math.PI * 2;
							var dist = 60 + Math.random() * 40;
							var gemX = e.x + Math.cos(angle) * dist;
							var gemY = e.y + Math.sin(angle) * dist;
							spawnGem(gemX, gemY, {
								type: 'big'
							});
						}
						for (var drop = 0; drop < 5; drop++) {
							var angle = Math.random() * Math.PI * 2;
							var dist = 80 + Math.random() * 60;
							var gemX = e.x + Math.cos(angle) * dist;
							var gemY = e.y + Math.sin(angle) * dist;
							spawnGem(gemX, gemY);
						}
						// Always drop a magnet powerup
						spawnMagnetPowerup(e.x, e.y);
						e.destroy();
						enemies.splice(j, 1);
					}
				} else {
					var bigGemSpawned = false;
					if (Math.random() < 0.10) {
						// Drop big xp gem at 10% rate
						spawnGem(e.x, e.y, {
							type: 'big'
						});
						bigGemSpawned = true;
					}
					// Offset the normal gem if big gem was spawned to avoid overlap
					if (bigGemSpawned) {
						var offsetAngle = Math.random() * Math.PI * 2;
						var offsetDist = 40;
						var gemX = e.x + Math.cos(offsetAngle) * offsetDist;
						var gemY = e.y + Math.sin(offsetAngle) * offsetDist;
						spawnGem(gemX, gemY);
					} else {
						spawnGem(e.x, e.y);
					}
					// Set magnet drop rate to 5% (1 in 20 chance)
					if (Math.random() < 0.05) {
						spawnMagnetPowerup(e.x, e.y);
					}
					e.destroy();
					enemies.splice(j, 1);
				}
				b.pierce -= 1;
				if (b.pierce <= 0) {
					b.destroy();
					bullets.splice(i, 1);
				}
				break;
			}
		}
	}
	for (var i = gems.length - 1; i >= 0; i--) {
		var g = gems[i];
		// Set XP gem attraction area to 800 pixels when magnet is active, otherwise 150
		var xpAttractRange = hero.magnetActive ? 800 : 150;
		var d = dist2(g, hero);
		if (d < xpAttractRange) {
			var dx = hero.x - g.x;
			var dy = hero.y - g.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist > 0) {
				g.x += dx / dist * 18;
				g.y += dy / dist * 18;
			}
		}
		if (dist2(g, hero) < g.radius + hero.radius) {
			// Big XP gem gives 5 XP, normal gives 1
			if (g.type === 'big') {
				xp += 5;
			} else {
				xp += 1;
			}
			g.destroy();
			gems.splice(i, 1);
			if (xp >= xpToLevel) {
				level += 1;
				xp = 0;
				xpToLevel = 10 + level * 4;
				LK.effects.flashObject(hero, 0xf7e967, 600);
				// On level up, spawn a big XP gem near hero
				spawnGem(hero.x + (Math.random() - 0.5) * 200, hero.y + (Math.random() - 0.5) * 200, {
					type: 'big'
				});
				autoAttackInterval = Math.max(12, autoAttackInterval - 4);
				Bullet.prototype.pierce = (Bullet.prototype.pierce || 1) + 1;
			}
		}
	}
	for (var i = powerups.length - 1; i >= 0; i--) {
		var p = powerups[i];
		// Magnet powerup attraction area: 800 if magnet is active, else 150 (same as XP gems)
		var magnetPowerupAttractRange = hero.magnetActive ? 800 : 150;
		var d = dist2(p, hero);
		// Prevent magnet powerup from being attracted by magnet effect
		if (!p.isMagnet && d < magnetPowerupAttractRange) {
			var dx = hero.x - p.x;
			var dy = hero.y - p.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist > 0) {
				p.x += dx / dist * 18;
				p.y += dy / dist * 18;
			}
		}
		// Magnet powerup pickup radius (same as attract range)
		if (p.isMagnet && d < p.radius + hero.radius) {
			hero.magnetActive = true;
			hero.magnetDuration = 300;
			hero._magnetGlowActive = false; // force re-apply blue glow in Hero.update
			LK.effects.flashObject(hero, 0x00ffff, 800);
			p.destroy();
			powerups.splice(i, 1);
		}
	}
	autoAttackTimer++;
	if (autoAttackTimer >= autoAttackInterval) {
		autoAttackTimer = 0;
		var nearest = null,
			minDist = 99999;
		for (var i = 0; i < enemies.length; i++) {
			var e = enemies[i];
			var d = dist2(hero, e);
			if (d < minDist) {
				minDist = d;
				nearest = e;
			}
		}
		if (nearest) {
			var dx = nearest.x - hero.x;
			var dy = nearest.y - hero.y;
			var extraBullets = Math.max(0, level - 1);
			var totalBullets = 1 + extraBullets;
			var spread;
			if (level === 2) {
				spread = Math.PI / 32;
			} else if (level > 2) {
				spread = Math.PI / 32 + (level - 2) * Math.PI / 48;
				if (spread > Math.PI / 4) {
					spread = Math.PI / 4;
				}
			} else {
				spread = Math.PI / 16;
			}
			var baseAngle = Math.atan2(dy, dx);
			for (var b = 0; b < totalBullets; b++) {
				var angle = baseAngle;
				if (totalBullets > 1) {
					angle = baseAngle - spread / 2 + spread * b / (totalBullets - 1);
				}
				var dirX = Math.cos(angle);
				var dirY = Math.sin(angle);
				fireBullet(dirX, dirY);
			}
		} else {
			var extraBullets = Math.max(0, level - 1);
			var totalBullets = 1 + extraBullets;
			var spread;
			if (level === 2) {
				spread = Math.PI / 32;
			} else if (level > 2) {
				spread = Math.PI / 32 + (level - 2) * Math.PI / 48;
				if (spread > Math.PI / 4) {
					spread = Math.PI / 4;
				}
			} else {
				spread = Math.PI / 16;
			}
			var baseAngle = Math.random() * Math.PI * 2;
			for (var b = 0; b < totalBullets; b++) {
				var angle = baseAngle;
				if (totalBullets > 1) {
					angle = baseAngle - spread / 2 + spread * b / (totalBullets - 1);
				}
				var dirX = Math.cos(angle);
				var dirY = Math.sin(angle);
				fireBullet(dirX, dirY);
			}
		}
	}
	spawnTimer++;
	if (spawnTimer >= spawnInterval) {
		spawnTimer = 0;
		var toSpawn = Math.max(1, Math.floor((1 + Math.floor(wave / 3)) / 4));
		for (var i = 0; i < toSpawn; i++) {
			spawnEnemy();
		}
		// Spawn boss every 5th wave
		if (wave % 5 === 0) {
			var boss = new BossEnemy();
			// Spawn boss at a random edge
			var edge = Math.floor(Math.random() * 4);
			if (edge === 0) {
				boss.x = Math.random() * 2048;
				boss.y = -200;
			} else if (edge === 1) {
				boss.x = 2048 + 200;
				boss.y = Math.random() * 2732;
			} else if (edge === 2) {
				boss.x = Math.random() * 2048;
				boss.y = 2732 + 200;
			} else {
				boss.x = -200;
				boss.y = Math.random() * 2732;
			}
			enemies.push(boss);
			game.addChild(boss);
		}
		wave++;
		spawnInterval = Math.max(24, 90 - Math.floor(wave / 2));
	}
	ticksSurvived++;
	scoreTxt.setText('Score: ' + Math.floor(ticksSurvived / 60));
	xpTxt.setText('XP: ' + xp + '/' + xpToLevel);
	levelTxt.setText('Level: ' + level);
	var totalSeconds = Math.floor(ticksSurvived / 60);
	var minutes = Math.floor(totalSeconds / 60);
	var seconds = totalSeconds % 60;
	var minStr = minutes < 10 ? '0' + minutes : '' + minutes;
	var secStr = seconds < 10 ? '0' + seconds : '' + seconds;
	timerTxt.setText(minStr + ':' + secStr);
	// Only reset heroLives and livesTxt on game restart, not every frame
	if (lastGameOver && hero && hero.parent) {
		lastGameOver = false;
		heroLives = 5;
		if (livesTxt) livesTxt.setText('Lives: ' + heroLives);
	}
	// Magnet timer display
	if (hero.magnetActive && hero.magnetDuration > 0) {
		var magnetSeconds = Math.ceil(hero.magnetDuration / 60);
		magnetTimerTxt.setText('Magnet: ' + magnetSeconds + 's');
	} else {
		magnetTimerTxt.setText('');
	}
};