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

/**** 
* Classes
****/ 
// D-Pad Button class
var DPadButton = Container.expand(function () {
	var self = Container.call(this);
	self.bg = self.attachAsset('dpadBtn', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.bg.alpha = 0.7;
	self.icon = null; // Will be set by game code
	return self;
});
// Execute Button class
var ExecuteButton = Container.expand(function () {
	var self = Container.call(this);
	self.bg = self.attachAsset('executeBtn', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.bg.alpha = 0.92;
	self.label = new Text2('EXECUTE', {
		size: 60,
		fill: "#fff"
	});
	self.label.anchor.set(0.5, 0.5);
	self.addChild(self.label);
	self.visible = false;
	return self;
});
// Plague Doctor (player) class
var PlagueDoctor = Container.expand(function () {
	var self = Container.call(this);
	var doctorSprite = self.attachAsset('plagueDoctor', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 18; // Movement speed per tick
	// For collision box, use the asset's width/height
	self.getBounds = function () {
		return {
			x: self.x - doctorSprite.width / 2,
			y: self.y - doctorSprite.height / 2,
			width: doctorSprite.width,
			height: doctorSprite.height
		};
	};
	return self;
});
// Villager class
var Villager = Container.expand(function () {
	var self = Container.call(this);
	self.isSick = false;
	self.isAlive = true;
	self.init = function (isSick) {
		self.isSick = isSick;
		self.isAlive = true;
		self.removeChildren();
		var assetId = isSick ? 'villagerSick' : 'villagerHealthy';
		self.sprite = self.attachAsset(assetId, {
			anchorX: 0.5,
			anchorY: 0.5
		});
	};
	self.getBounds = function () {
		return {
			x: self.x - self.sprite.width / 2,
			y: self.y - self.sprite.height / 2,
			width: self.sprite.width,
			height: self.sprite.height
		};
	};
	self.execute = function () {
		self.isAlive = false;
		// Animate fade out and shrink
		tween(self.sprite, {
			alpha: 0,
			scaleX: 0.1,
			scaleY: 0.1
		}, {
			duration: 400,
			easing: tween.cubicIn,
			onFinish: function onFinish() {
				self.visible = false;
			}
		});
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0xf2e5bc
});

/**** 
* Game Code
****/ 
// D-pad buttons
// "Execute" button
// Sick villager
// Healthy villager
// Plague Doctor (player)
// --- Game constants ---
var VILLAGE_WIDTH = 6144; // Expanded map width (3x standard screen width)
var VILLAGE_HEIGHT = 4096; // Expanded map height (2x standard screen height)
var NUM_VILLAGERS = 30; // More villagers for the larger map
var NUM_SICK = 10; // More sick villagers 
var VILLAGER_MIN_DIST = 220; // Minimum distance between villagers
// --- Game state ---
var player;
var villagers = [];
var sickLeft = NUM_SICK;
var executeBtn;
var dpadBtns = {};
var dpadState = {
	up: false,
	down: false,
	left: false,
	right: false
};
var cameraX = 0; // For horizontal scrolling
var cameraY = 0; // For vertical scrolling
var playerWorldX = 0; // Player's true position in world coordinates
var playerWorldY = 0; // Player's true position in world coordinates
var draggingDPad = null;
var canExecuteVillager = null; // Reference to sick villager in range
// --- GUI elements ---
var sickLeftTxt = new Text2('Sick left: ' + sickLeft, {
	size: 90,
	fill: 0xB16262
});
sickLeftTxt.anchor.set(0.5, 0);
// Place at top center, but not in top 100px
LK.gui.top.addChild(sickLeftTxt);
sickLeftTxt.y = 110;
// --- Helper functions ---
function clamp(val, min, max) {
	if (val < min) return min;
	if (val > max) return max;
	return val;
}
// Axis-aligned bounding box collision
function aabbIntersect(a, b) {
	return a.x < b.x + b.width && a.x + a.width > b.x && a.y < b.y + b.height && a.y + a.height > b.y;
}
// --- Map and villagers setup ---
// Starting position is the center of the map (no offset needed for scrolling map)
var mapCenterX = VILLAGE_WIDTH / 2;
var mapCenterY = VILLAGE_HEIGHT / 2;
// Place villagers randomly, but not too close to each other or the player start
function placeVillagers() {
	villagers = [];
	var placed = 0;
	var sickPlaced = 0;
	while (placed < NUM_VILLAGERS) {
		var isSick = sickPlaced < NUM_SICK ? true : false;
		var villager = new Villager();
		villager.init(isSick);
		// Random position in map bounds with padding from edges
		var x = 200 + Math.random() * (VILLAGE_WIDTH - 400);
		var y = 200 + Math.random() * (VILLAGE_HEIGHT - 400);
		// Don't place too close to player start (map center)
		if (Math.abs(x - mapCenterX) < 300 && Math.abs(y - mapCenterY) < 300) continue;
		// Don't place too close to other villagers
		var tooClose = false;
		for (var i = 0; i < villagers.length; ++i) {
			var dx = x - villagers[i].x;
			var dy = y - villagers[i].y;
			if (Math.sqrt(dx * dx + dy * dy) < VILLAGER_MIN_DIST) {
				tooClose = true;
				break;
			}
		}
		if (tooClose) continue;
		villager.x = x;
		villager.y = y;
		game.addChild(villager);
		villagers.push(villager);
		if (isSick) sickPlaced++;
		placed++;
	}
}
// --- Player setup ---
player = new PlagueDoctor();
playerWorldX = mapCenterX; // Initialize player world coordinates at map center
playerWorldY = mapCenterY; // Initialize player world coordinates at map center
player.x = mapCenterX; // Start player at map center
player.y = mapCenterY; // Start player at map center
game.addChild(player);
// --- Villagers ---
placeVillagers();
// --- Execute Button ---
// Place execute button in the bottom left corner of the screen
executeBtn = new ExecuteButton();
executeBtn.x = executeBtn.width * 0.7; // Position with some padding from left edge
executeBtn.y = LK.gui.bottomLeft.height - executeBtn.height * 0.7; // Position with some padding from bottom
LK.gui.bottomLeft.addChild(executeBtn);
// --- D-Pad Controls (fit to screen, always visible in bottom middle using LK.gui.bottom) ---
var dpadSize = Math.floor(LK.gui.bottom.width * 0.18); // Responsive size, ~18% of gui width
if (dpadSize < 90) dpadSize = 90;
if (dpadSize > 180) dpadSize = 180;
// Further increase margin for even more space between keys
var dpadMargin = Math.floor(dpadSize * 1.5); // Open up spacing between keys even more
// Place the D-pad cluster in the bottom middle of the screen, moved higher up
var dpadCenterX = LK.gui.bottom.width / 2; // Center horizontally
var dpadCenterY = LK.gui.bottom.height - dpadSize * 3.5; // Position higher above bottom
function createDPadBtns() {
	// Up
	var btnUp = new DPadButton();
	btnUp.x = dpadCenterX;
	btnUp.y = dpadCenterY - dpadMargin;
	btnUp.icon = new Text2('▲', {
		size: Math.floor(dpadSize * 0.38),
		fill: "#222"
	});
	btnUp.icon.anchor.set(0.5, 0.5);
	btnUp.addChild(btnUp.icon);
	LK.gui.bottom.addChild(btnUp);
	dpadBtns['up'] = btnUp;
	// Down
	var btnDown = new DPadButton();
	btnDown.x = dpadCenterX;
	btnDown.y = dpadCenterY + dpadMargin;
	btnDown.icon = new Text2('▼', {
		size: Math.floor(dpadSize * 0.38),
		fill: "#222"
	});
	btnDown.icon.anchor.set(0.5, 0.5);
	btnDown.addChild(btnDown.icon);
	LK.gui.bottom.addChild(btnDown);
	dpadBtns['down'] = btnDown;
	// Left
	var btnLeft = new DPadButton();
	btnLeft.x = dpadCenterX - dpadMargin;
	btnLeft.y = dpadCenterY;
	btnLeft.icon = new Text2('◀', {
		size: Math.floor(dpadSize * 0.38),
		fill: "#222"
	});
	btnLeft.icon.anchor.set(0.5, 0.5);
	btnLeft.addChild(btnLeft.icon);
	LK.gui.bottom.addChild(btnLeft);
	dpadBtns['left'] = btnLeft;
	// Right
	var btnRight = new DPadButton();
	btnRight.x = dpadCenterX + dpadMargin;
	btnRight.y = dpadCenterY;
	btnRight.icon = new Text2('▶', {
		size: Math.floor(dpadSize * 0.38),
		fill: "#222"
	});
	btnRight.icon.anchor.set(0.5, 0.5);
	btnRight.addChild(btnRight.icon);
	LK.gui.bottom.addChild(btnRight);
	dpadBtns['right'] = btnRight;
}
createDPadBtns();
// --- D-Pad event handling ---
function dpadBtnForPos(x, y) {
	var r = dpadSize / 2;
	for (var dir in dpadBtns) {
		var btn = dpadBtns[dir];
		var bx = btn.x;
		var by = btn.y;
		if ((x - bx) * (x - bx) + (y - by) * (y - by) < r * r) {
			return dir;
		}
	}
	return null;
}
// D-Pad touch/mouse down
LK.gui.bottom.down = function (x, y, obj) {
	var dir = dpadBtnForPos(x, y);
	if (dir) {
		dpadState[dir] = true;
		draggingDPad = dir;
		tween(dpadBtns[dir].bg, {
			alpha: 1
		}, {
			duration: 80
		});
	}
};
// D-Pad touch/mouse up
LK.gui.bottom.up = function (x, y, obj) {
	if (draggingDPad) {
		dpadState[draggingDPad] = false;
		tween(dpadBtns[draggingDPad].bg, {
			alpha: 0.7
		}, {
			duration: 120
		});
		draggingDPad = null;
	}
};
// D-Pad move (drag)
LK.gui.bottom.move = function (x, y, obj) {
	if (draggingDPad) {
		var dir = dpadBtnForPos(x, y);
		if (dir === draggingDPad) {
			if (!dpadState[dir]) {
				dpadState[dir] = true;
				tween(dpadBtns[dir].bg, {
					alpha: 1
				}, {
					duration: 80
				});
			}
		} else {
			if (dpadState[draggingDPad]) {
				dpadState[draggingDPad] = false;
				tween(dpadBtns[draggingDPad].bg, {
					alpha: 0.7
				}, {
					duration: 120
				});
			}
		}
	}
};
// --- Execute Button event handling ---
LK.gui.bottomLeft.down = function (x, y, obj) {
	// Check if the click is within the execute button bounds
	if (executeBtn.visible && x >= executeBtn.x - executeBtn.width / 2 && x <= executeBtn.x + executeBtn.width / 2 && y >= executeBtn.y - executeBtn.height / 2 && y <= executeBtn.y + executeBtn.height / 2) {
		if (canExecuteVillager && canExecuteVillager.isAlive) {
			canExecuteVillager.execute();
			sickLeft--;
			sickLeftTxt.setText('Sick left: ' + sickLeft);
			executeBtn.visible = false;
			canExecuteVillager = null;
			// Win condition
			if (sickLeft === 0) {
				LK.showYouWin();
			}
		}
	}
};
// --- Main game move handler (for dragging player, not used here) ---
game.move = function (x, y, obj) {
	// No drag-to-move, only D-pad
};
// --- Main game update loop ---
game.update = function () {
	// --- Player movement ---
	var dx = 0,
		dy = 0;
	if (dpadState.left) dx -= 1;
	if (dpadState.right) dx += 1;
	if (dpadState.up) dy -= 1;
	if (dpadState.down) dy += 1;
	if (dx !== 0 || dy !== 0) {
		var len = Math.sqrt(dx * dx + dy * dy);
		if (len > 0) {
			dx /= len;
			dy /= len;
		}
		// Store player's world coordinates separately from rendering position
		playerWorldX += dx * player.speed;
		playerWorldY += dy * player.speed;
	}
	// Clamp player to world coordinates map bounds with consistent padding on all sides
	playerWorldX = clamp(playerWorldX, 60, VILLAGE_WIDTH - 60);
	playerWorldY = clamp(playerWorldY, 60, VILLAGE_HEIGHT - 60);
	// --- Camera scrolling (horizontal and vertical) ---
	var screenCenterX = 2048 / 2; // Use fixed resolution width
	var screenCenterY = 2732 / 2; // Use fixed resolution height
	// Calculate camera position to center player
	cameraX = playerWorldX - screenCenterX;
	cameraY = playerWorldY - screenCenterY;
	// Clamp camera to map bounds
	cameraX = clamp(cameraX, 0, VILLAGE_WIDTH - 2048);
	cameraY = clamp(cameraY, 0, VILLAGE_HEIGHT - 2732);
	// Move all game children (player, villagers) relative to camera position
	for (var i = 0; i < game.children.length; ++i) {
		var obj = game.children[i];
		obj.visible = true;
		if (obj === player) {
			// Position player on screen based on world coordinates
			obj.x = playerWorldX - cameraX;
			obj.y = playerWorldY - cameraY;
		} else if (obj instanceof Villager) {
			// Position villagers on screen based on their world coordinates
			// Make sure we're using the stored world coordinates consistently
			obj.x = obj.x0 - cameraX;
			obj.y = obj.y0 - cameraY;
			// Hide objects that are completely outside the visible area
			if (obj.x < -200 || obj.x > 2248 || obj.y < -200 || obj.y > 2932) {
				obj.visible = false;
			}
		}
	}
	// --- Villager proximity check ---
	canExecuteVillager = null;
	for (var i = 0; i < villagers.length; ++i) {
		var villager = villagers[i];
		if (!villager.isAlive || !villager.isSick) continue;
		// Use world coordinates for collision
		var px = playerWorldX;
		var py = playerWorldY;
		var vx = villager.x0; // Always use stored world coordinates
		var vy = villager.y0; // Always use stored world coordinates
		var dist = Math.sqrt((px - vx) * (px - vx) + (py - vy) * (py - vy));
		if (dist < 140) {
			canExecuteVillager = villager;
			break;
		}
	}
	// --- Execute button visibility ---
	if (canExecuteVillager && canExecuteVillager.isAlive) {
		executeBtn.visible = true;
	} else {
		executeBtn.visible = false;
	}
};
// --- Store original world positions for villagers (for camera) ---
function storeVillagerPositions() {
	for (var i = 0; i < villagers.length; ++i) {
		villagers[i].x0 = villagers[i].x;
		villagers[i].y0 = villagers[i].y;
	}
}
// Store initial positions
storeVillagerPositions();
// --- Initial camera position ---
cameraX = mapCenterX - 2048 / 2; // Start camera centered on the player using fixed width
cameraY = mapCenterY - 2732 / 2; // Start camera centered on the player using fixed height
for (var i = 0; i < game.children.length; ++i) {
	var obj = game.children[i];
	if (obj === player) {
		obj.x = player.x - cameraX;
		obj.y = player.y - cameraY;
	} else if (obj instanceof Villager) {
		obj.x = obj.x0 - cameraX;
		obj.y = obj.y0 - cameraY;
	}
}