/**** 
* Classes
****/
var Archer = Container.expand(function (isPlayer) {
	var self = Container.call(this, isPlayer);
	var archerGraphics = isPlayer ? LK.getAsset('playerArcher', {}) : LK.getAsset('enemyArcher', {});
	archerGraphics.anchor.set(.5, .5);
	self.addChild(archerGraphics);
	var shadow = LK.getAsset('shadow', {});
	shadow.alpha = 0.2;
	shadow.anchor.set(.5, .5);
	shadow.y = 185;
	self.addChildAt(shadow, 0);
	self.health = 1500;
	self.range = 1500;
	self.moneyReward = 200;
	var healthBar = self.addChild(new HealthBar());
	healthBar.y = -archerGraphics.height / 2 - 10;
	self.speed = 4;
	this.move = function (soldiers, enemies) {
		var index = soldiers.indexOf(this);
		if (index > 0 && this.intersects(soldiers[index - 1])) {
			return;
		}
		for (var i = 0; i < enemies.length; i++) {
			if (this.intersects(enemies[i])) {
				return;
			}
		}
		this.x += self.speed;
	};
	this.shoot = function (enemies) {
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			if (Math.abs(this.x - enemy.x) <= self.range && LK.ticks % 60 == 0) {
				var bullet = new Bullet(isPlayer);
				bullet.x = this.x;
				bullet.y = this.y;
				return bullet;
			}
		}
		return null;
	};
	this.takeDamage = function (damage) {
		this.health -= damage;
		healthBar.updateHealth(this.health, 1500);
		if (this.health <= 0) {
			this.destroy();
			return true;
		}
		return false;
	};
});
var Bullet = Container.expand(function (isPlayer) {
	var self = Container.call(this);
	var bulletGraphics = isPlayer ? LK.getAsset('playerBullet', {}) : LK.getAsset('enemyBullet', {});
	bulletGraphics.anchor.set(.5, .5);
	self.addChild(bulletGraphics);
	self.speed = isPlayer ? 10 : -10;
	this.move = function () {
		this.x += self.speed;
	};
});
var EnemyBase = Container.expand(function () {
	var self = Container.call(this);
	var baseGraphics = LK.getAsset('enemyBase', {});
	console.warn(baseGraphics.width);
	baseGraphics.anchor.set(1, 1);
	self.addChild(baseGraphics);
	self.health = 10000;
	var healthBar = self.addChild(new HealthBar());
	healthBar.scale.set(3, 3);
	healthBar.y = -baseGraphics.height - 20;
	healthBar.x = -baseGraphics.width / 2;
	this.takeDamage = function (damage) {
		this.health -= damage;
		healthBar.updateHealth(this.health, 10000);
		if (this.health <= 0) {
			currentLevel++;
			if (currentLevel > 3) {
				alert('You won the game!');
				restartGame();
			} else {
				alert('Level ' + currentLevel + ' start!');
				enemyBase.health = 10000;
				enemyBase.children[1].updateHealth(enemyBase.health, 10000);
			}
			return true;
		}
		return false;
	};
});
var Ground = Container.expand(function () {
	var self = Container.call(this);
	var groundGraphics = LK.getAsset('ground', {});
	groundGraphics.anchor.set(.5, 0);
	self.addChild(groundGraphics);
});
var HealthBar = Container.expand(function () {
	var self = Container.call(this);
	var healthBarGraphics = LK.getAsset('healthBar', {});
	healthBarGraphics.anchor.set(.5, .5);
	self.addChild(healthBarGraphics);
	this.updateHealth = function (health, maxHealth) {
		healthBarGraphics.scale.x = health / maxHealth;
	};
});
var PlayerBase = Container.expand(function () {
	var self = Container.call(this);
	var baseGraphics = LK.getAsset('base', {});
	console.warn(baseGraphics.width);
	baseGraphics.anchor.set(0, 1);
	self.addChild(baseGraphics);
	self.health = 10000;
	var healthBar = self.addChild(new HealthBar());
	healthBar.scale.set(3, 3);
	healthBar.y = -baseGraphics.height - 20;
	healthBar.x = baseGraphics.width / 2;
	this.takeDamage = function (damage) {
		this.health -= damage;
		healthBar.updateHealth(this.health, 10000);
		if (this.health <= 0) {
			return true;
		}
		return false;
	};
});
var Soldier = Container.expand(function (isPlayer) {
	var self = Container.call(this);
	var soldierGraphics = isPlayer ? LK.getAsset('playerSoldier', {}) : LK.getAsset('enemySoldier', {});
	soldierGraphics.anchor.set(.5, .5);
	self.addChild(soldierGraphics);
	var shadow = LK.getAsset('shadow', {});
	shadow.alpha = 0.2;
	shadow.anchor.set(.5, .5);
	shadow.y = 185;
	self.addChildAt(shadow, 0);
	self.health = 2000;
	self.moneyReward = 100;
	var healthBar = self.addChild(new HealthBar());
	healthBar.y = -soldierGraphics.height / 2 - 10;
	self.speed = 5;
	this.move = function (soldiers, enemies) {
		var index = soldiers.indexOf(this);
		if (index > 0 && this.intersects(soldiers[index - 1])) {
			return;
		}
		for (var i = 0; i < enemies.length; i++) {
			if (this.intersects(enemies[i])) {
				return;
			}
		}
		this.x += self.speed;
	};
	this.takeDamage = function (damage) {
		this.health -= damage;
		healthBar.updateHealth(this.health, 2000);
		if (this.health <= 0) {
			this.destroy();
			return true;
		}
		return false;
	};
});
var Tree = Container.expand(function () {
	var self = Container.call(this);
	var treeGraphics = LK.getAsset('tree' + Math.ceil(Math.random() * 5), {});
	treeGraphics.anchor.set(.5, 1);
	self.addChild(treeGraphics);
	self.y = 2732 - 50;
});
var World = Container.expand(function () {
	var self = Container.call(this);
	var ground = self.addChild(new Ground());
	ground.y = 2732 - 150;
	for (var i = 0; i < 100; i++) {
		var tree = self.addChild(new Tree());
		tree.x = Math.random() * 2048 * 4;
	}
});

/**** 
* Initialize Game
****/
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/
var currentLevel = 1;
game.setBackgroundColor(0x87CEEB);
var world = game.addChild(new World());
var startText = new Text2('Defend your base', {
	size: 120,
	font: "'GillSans-Bold',Impact,'Arial Black',Tahoma",
	fill: "#ffffff",
	dropShadow: true,
	dropShadowColor: "#000000",
	dropShadowBlur: 4,
	dropShadowAngle: Math.PI / 6,
	dropShadowDistance: 6
});
startText.anchor.set(.5, .5);
startText.x = 2048 / 2;
startText.y = 2732 / 2;
game.addChild(startText);
LK.setTimeout(function () {
	startText.destroy();
}, 4000);
var playerBase = world.addChild(new PlayerBase());
playerBase.x = 0;
playerBase.y = 2732;
var enemyBase = world.addChild(new EnemyBase());
enemyBase.x = 2048 * 4;
enemyBase.y = 2732;
var playerSoldiers = [];
var enemySoldiers = [];
var playerBullets = [];
var enemyBullets = [];
var playerMoney = 1000;
var enemyMoney = 1000;
var nextEnemy = Math.random() < 0.5 ? 'soldier' : 'archer';
var xp = 0;
var moneyTxt = new Text2('Money: ' + playerMoney, {
	size: 30,
	font: "'GillSans-Bold',Impact,'Arial Black',Tahoma",
	fill: "#ffffff"
});
moneyTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(moneyTxt);
var xpTxt = new Text2('XP: ' + xp, {
	size: 30,
	font: "'GillSans-Bold',Impact,'Arial Black',Tahoma",
	fill: "#ffffff"
});
xpTxt.y = 60;
xpTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(xpTxt);
var buttonGraphics1 = LK.getAsset('button', {});
buttonGraphics1.anchor.set(1, 0);
buttonGraphics1.y = 120;
LK.gui.topRight.addChild(buttonGraphics1);
buttonGraphics1.on('down', function () {
	spawnSoldier(true);
});
var buttonGraphics2 = LK.getAsset('newButton', {});
buttonGraphics2.anchor.set(1, 0);
buttonGraphics2.y = 120;
buttonGraphics2.x = buttonGraphics1.x - buttonGraphics1.width - 10;
LK.gui.topRight.addChild(buttonGraphics2);
buttonGraphics2.on('down', function () {
	spawnArcher(true);
});
function spawnSoldier(isPlayer) {
	if (isPlayer ? playerMoney >= 100 : enemyMoney >= 100) {
		isPlayer ? playerMoney -= 100 : enemyMoney -= 100;
		var soldier = new Soldier(isPlayer);
		soldier.health *= currentLevel;
		soldier.speed *= currentLevel;
		soldier.x = isPlayer ? playerBase.x + playerBase.width / 2 : enemyBase.x - enemyBase.width / 2;
		soldier.y = 2732 - soldier.height / 2;
		soldier.speed = isPlayer ? 5 : -5;
		world.addChild(soldier);
		if (isPlayer) {
			playerSoldiers.push(soldier);
		} else {
			enemySoldiers.push(soldier);
		}
	}
}
function spawnArcher(isPlayer) {
	if (isPlayer ? playerMoney >= 200 : enemyMoney >= 200) {
		isPlayer ? playerMoney -= 200 : enemyMoney -= 200;
		var archer = new Archer(isPlayer);
		archer.health *= currentLevel;
		archer.speed *= currentLevel;
		archer.range *= currentLevel;
		archer.x = isPlayer ? playerBase.x + playerBase.width / 2 : enemyBase.x - enemyBase.width / 2;
		archer.y = 2732 - archer.height / 2;
		archer.speed = isPlayer ? 8 : -8;
		world.addChild(archer);
		if (isPlayer) {
			playerSoldiers.push(archer);
		} else {
			enemySoldiers.push(archer);
		}
	}
}
function handleTick() {
	for (var i = 0; i < playerSoldiers.length; i++) {
		var soldier = playerSoldiers[i];
		soldier.move(playerSoldiers, enemySoldiers);
		if (soldier instanceof Archer) {
			var bullet = soldier.shoot(enemySoldiers);
			if (bullet) {
				world.addChild(bullet);
				playerBullets.push(bullet);
			}
		}
		for (var j = 0; j < enemySoldiers.length; j++) {
			var enemy = enemySoldiers[j];
			if (soldier.intersects(enemy)) {
				if (soldier.takeDamage(10)) {
					playerSoldiers.splice(i, 1);
					i--;
					enemyMoney += soldier.moneyReward;
				}
				if (enemy.takeDamage(10)) {
					enemySoldiers.splice(j, 1);
					j--;
					playerMoney += enemy.moneyReward;
				}
			}
		}
		if (soldier.intersects(enemyBase)) {
			if (enemyBase.takeDamage(50)) {
				alert("You won");
				restartGame();
			} else {
				soldier.speed = 0;
			}
		}
	}
	for (var i = 0; i < enemySoldiers.length; i++) {
		var soldier = enemySoldiers[i];
		soldier.move(enemySoldiers, playerSoldiers);
		if (soldier instanceof Archer) {
			var bullet = soldier.shoot(playerSoldiers);
			if (bullet) {
				world.addChild(bullet);
				enemyBullets.push(bullet);
			}
		}
		if (soldier.intersects(playerBase)) {
			if (playerBase.takeDamage(50)) {
				LK.showGameOver(restartGame);
			} else {
				soldier.speed = 0;
			}
		}
	}
	if (LK.ticks % 60 == 0) {
		if (nextEnemy === 'soldier' && enemyMoney >= 100) {
			spawnSoldier(false);
			nextEnemy = Math.random() < 0.5 ? 'soldier' : 'archer';
		} else if (nextEnemy === 'archer' && enemyMoney >= 200) {
			spawnArcher(false);
			nextEnemy = Math.random() < 0.5 ? 'soldier' : 'archer';
		}
	}
	for (var i = 0; i < playerBullets.length; i++) {
		var bullet = playerBullets[i];
		bullet.move();
		for (var j = 0; j < enemySoldiers.length; j++) {
			var enemy = enemySoldiers[j];
			if (bullet.intersects(enemy)) {
				if (enemy.takeDamage(100)) {
					enemySoldiers.splice(j, 1);
					j--;
					playerMoney += enemy.moneyReward;
				}
				bullet.destroy();
				playerBullets.splice(i, 1);
				i--;
			}
		}
	}
	for (var i = 0; i < enemyBullets.length; i++) {
		var bullet = enemyBullets[i];
		bullet.move();
		for (var j = 0; j < playerSoldiers.length; j++) {
			var soldier = playerSoldiers[j];
			if (bullet.intersects(soldier)) {
				if (soldier.takeDamage(100)) {
					playerSoldiers.splice(j, 1);
					j--;
					enemyMoney += soldier.moneyReward;
				}
				bullet.destroy();
				enemyBullets.splice(i, 1);
				i--;
			}
		}
	}
	moneyTxt.setText('Player Money: ' + playerMoney + ' Enemy Money: ' + enemyMoney);
	xpTxt.setText('XP: ' + xp);
}
LK.on('tick', handleTick);
var dragWorld = null;
var initialMousePos = null;
game.on('down', function (obj) {
	dragWorld = world;
	initialMousePos = obj.event.getLocalPosition(game);
});
game.on('move', function (obj) {
	if (dragWorld && initialMousePos) {
		var event = obj.event;
		var pos = event.getLocalPosition(game);
		var newX = dragWorld.x + pos.x - initialMousePos.x;
		if (newX > 0) {
			newX = 0;
		} else if (newX < game.width - 2048 * 5) {
			newX = game.width - 2048 * 5;
		}
		dragWorld.x = newX;
		initialMousePos = pos;
	}
});
game.on('up', function (obj) {
	dragWorld = null;
	initialMousePos = null;
});
function restartGame() {
	playerBase.health = 10000;
	playerBase.children[1].updateHealth(playerBase.health, 10000);
	enemyBase.health = 10000;
	enemyBase.children[1].updateHealth(enemyBase.health, 10000);
	playerMoney = 1000;
	enemyMoney = 1000;
	xp = 0;
	for (var i = 0; i < playerSoldiers.length; i++) {
		playerSoldiers[i].destroy();
	}
	for (var i = 0; i < enemySoldiers.length; i++) {
		enemySoldiers[i].destroy();
	}
	playerSoldiers = [];
	enemySoldiers = [];
}