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

/**** 
* Classes
****/ 
var Block = Container.expand(function () {
	var self = Container.call(this);
	var blockGraphics = self.attachAsset('block', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.canPush = function (direction, playerX) {
		var newX = self.x + direction * 8;
		var distance = Math.abs(self.x - playerX);
		if (distance > 150) return false;
		if (newX < 70 || newX > 1978) return false;
		return true;
	};
	self.push = function (direction) {
		if (self.canPush(direction, player.x)) {
			var newX = self.x + direction * 8;
			tween(self, {
				x: newX
			}, {
				duration: 100
			});
			LK.getSound('blockMove').play();
		}
	};
	return self;
});
var Door = Container.expand(function () {
	var self = Container.call(this);
	var doorGraphics = self.attachAsset('door', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.isOpen = false;
	self.alpha = 0.3;
	self.open = function () {
		self.isOpen = true;
		tween(self, {
			alpha: 1.0
		}, {
			duration: 500
		});
	};
	self.close = function () {
		self.isOpen = false;
		tween(self, {
			alpha: 0.3
		}, {
			duration: 500
		});
	};
	self.down = function (x, y, obj) {
		if (self.isOpen) {
			nextLevel();
		}
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.speed = 8;
	self.isMoving = false;
	self.moveDirection = 0;
	self.velocityY = 0;
	self.isJumping = false;
	self.jumpPower = -25;
	self.gravity = 1.2;
	self.groundY = self.y;
	self.update = function () {
		if (self.isMoving) {
			var newX = self.x + self.moveDirection * self.speed;
			// Check boundaries
			if (newX >= 60 && newX <= 1988) {
				// Check collision with block
				var willCollide = false;
				if (block) {
					var blockLeft = block.x - 70;
					var blockRight = block.x + 70;
					var playerLeft = newX - 60;
					var playerRight = newX + 60;
					// Check if player and block are on same level and would overlap
					if (Math.abs(self.y - block.y) < 100) {
						if (playerRight > blockLeft && playerLeft < blockRight) {
							willCollide = true;
						}
					}
				}
				if (!willCollide) {
					self.x = newX;
				}
			}
		}
		// Handle jumping physics
		if (self.isJumping || self.velocityY !== 0) {
			self.velocityY += self.gravity;
			self.y += self.velocityY;
			// Check if landed
			if (self.y >= self.groundY) {
				self.y = self.groundY;
				self.velocityY = 0;
				self.isJumping = false;
			}
		}
	};
	self.jump = function () {
		if (!self.isJumping && self.velocityY === 0) {
			self.velocityY = self.jumpPower;
			self.isJumping = true;
		}
	};
	return self;
});
var Signpost = Container.expand(function () {
	var self = Container.call(this);
	var signpostGraphics = self.attachAsset('signpost', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.isActivated = false;
	self.lastActivated = false;
	self.activationType = 'block'; // 'block' or 'player'
	self.checkActivation = function (block) {
		var distance = Math.abs(self.x - block.x);
		self.isActivated = distance < 80;
		if (!self.lastActivated && self.isActivated) {
			signpostGraphics.tint = 0x00ff00;
			if (currentLevel >= 2) {
				// Check if both signposts are activated for level 2+
				var allActivated = signpost.isActivated && signpost2 && signpost2.isActivated;
				if (allActivated) {
					openDoor();
					LK.getSound('doorOpen').play();
				}
			} else {
				openDoor();
				LK.getSound('doorOpen').play();
			}
		} else if (self.lastActivated && !self.isActivated) {
			signpostGraphics.tint = 0xffd700;
			closeDoor();
		}
		self.lastActivated = self.isActivated;
	};
	self.checkPlayerActivation = function (player) {
		var distance = Math.abs(self.x - player.x);
		self.isActivated = distance < 80;
		if (!self.lastActivated && self.isActivated) {
			signpostGraphics.tint = 0x00ff00;
			if (currentLevel >= 2) {
				// Check if both signposts are activated for level 2+
				var allActivated = signpost.isActivated && signpost2 && signpost2.isActivated;
				if (allActivated) {
					openDoor();
					LK.getSound('doorOpen').play();
				}
			} else {
				openDoor();
				LK.getSound('doorOpen').play();
			}
		} else if (self.lastActivated && !self.isActivated) {
			signpostGraphics.tint = 0xffd700;
			closeDoor();
		}
		self.lastActivated = self.isActivated;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87ceeb
});

/**** 
* Game Code
****/ 
var currentLevel = 1;
var player;
var block;
var signpost;
var signpost2;
var door;
var platform;
var background;
var isPlayerMoving = false;
var moveDirection = 0;
var levelText = new Text2('Level 1', {
	size: 100,
	fill: 0xFFFFFF
});
levelText.anchor.set(0.5, 0);
LK.gui.top.addChild(levelText);
function setupLevel() {
	if (background) background.destroy();
	if (platform) platform.destroy();
	if (player) player.destroy();
	if (block) block.destroy();
	if (signpost) signpost.destroy();
	if (signpost2) signpost2.destroy();
	if (door) door.destroy();
	background = game.addChild(LK.getAsset('background', {
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0
	}));
	platform = game.addChild(LK.getAsset('platform', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024,
		y: 2000
	}));
	var levelOffset = (currentLevel - 1) * 200;
	var baseY = 1920;
	player = game.addChild(new Player());
	player.x = 300 + currentLevel * 50;
	player.y = baseY;
	player.groundY = baseY;
	block = game.addChild(new Block());
	block.x = 600 + levelOffset;
	block.y = baseY;
	if (currentLevel >= 2) {
		// Level 2 and beyond: create two signposts
		signpost = game.addChild(new Signpost());
		signpost.x = 1000;
		signpost.y = baseY;
		signpost.activationType = 'block';
		signpost2 = game.addChild(new Signpost());
		signpost2.x = 1400;
		signpost2.y = baseY;
		signpost2.activationType = 'player';
	} else {
		// Level 1: single signpost
		signpost = game.addChild(new Signpost());
		signpost.x = 1200 + currentLevel * 100;
		signpost.y = baseY;
		signpost.activationType = 'block';
	}
	door = game.addChild(new Door());
	door.x = 1700;
	door.y = baseY;
	levelText.setText('Level ' + currentLevel);
}
function openDoor() {
	if (currentLevel >= 2) {
		// Level 2+: both signposts must be activated
		if (signpost && signpost2 && signpost.isActivated && signpost2.isActivated) {
			door.open();
		}
	} else {
		// Level 1: single signpost
		door.open();
	}
}
function closeDoor() {
	if (currentLevel >= 2) {
		// Level 2+: close door if either signpost is deactivated
		if (!signpost.isActivated || !signpost2.isActivated) {
			door.close();
		}
	} else {
		// Level 1: close door
		door.close();
	}
}
// Create control buttons
var leftButton = new Text2('◀', {
	size: 120,
	fill: 0xFFFFFF
});
leftButton.anchor.set(0.5, 0.5);
leftButton.alpha = 0.7;
var rightButton = new Text2('▶', {
	size: 120,
	fill: 0xFFFFFF
});
rightButton.anchor.set(0.5, 0.5);
rightButton.alpha = 0.7;
var jumpButton = new Text2('↑', {
	size: 120,
	fill: 0xFFFFFF
});
jumpButton.anchor.set(0.5, 0.5);
jumpButton.alpha = 0.7;
// Position buttons
LK.gui.bottomLeft.addChild(leftButton);
leftButton.x = 150;
leftButton.y = -150;
LK.gui.bottomLeft.addChild(rightButton);
rightButton.x = 270;
rightButton.y = -150;
LK.gui.bottomRight.addChild(jumpButton);
jumpButton.x = -150;
jumpButton.y = -150;
// Button event handlers
leftButton.down = function () {
	moveDirection = -1;
	isPlayerMoving = true;
	player.isMoving = true;
	player.moveDirection = moveDirection;
	leftButton.alpha = 1.0;
};
leftButton.up = function () {
	isPlayerMoving = false;
	player.isMoving = false;
	moveDirection = 0;
	leftButton.alpha = 0.7;
};
rightButton.down = function () {
	moveDirection = 1;
	isPlayerMoving = true;
	player.isMoving = true;
	player.moveDirection = moveDirection;
	rightButton.alpha = 1.0;
};
rightButton.up = function () {
	isPlayerMoving = false;
	player.isMoving = false;
	moveDirection = 0;
	rightButton.alpha = 0.7;
};
jumpButton.down = function () {
	if (player) {
		player.jump();
	}
	jumpButton.alpha = 1.0;
};
jumpButton.up = function () {
	jumpButton.alpha = 0.7;
};
function nextLevel() {
	currentLevel++;
	LK.getSound('levelComplete').play();
	LK.effects.flashScreen(0xffffff, 500);
	LK.setTimeout(function () {
		setupLevel();
	}, 600);
}
game.down = function (x, y, obj) {
	if (x < 1024) {
		moveDirection = -1;
	} else {
		moveDirection = 1;
	}
	isPlayerMoving = true;
	player.isMoving = true;
	player.moveDirection = moveDirection;
};
game.up = function (x, y, obj) {
	isPlayerMoving = false;
	player.isMoving = false;
	moveDirection = 0;
};
game.update = function () {
	if (isPlayerMoving && moveDirection !== 0) {
		var playerDistance = Math.abs(player.x - block.x);
		if (playerDistance < 150) {
			if (moveDirection > 0 && player.x < block.x) {
				block.push(1);
			} else if (moveDirection < 0 && player.x > block.x) {
				block.push(-1);
			}
		}
	}
	if (signpost && block) {
		signpost.checkActivation(block);
		if (signpost2) {
			if (signpost2.activationType === 'player') {
				signpost2.checkPlayerActivation(player);
			} else {
				signpost2.checkActivation(block);
			}
		}
	}
};
setupLevel();