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

/**** 
* Classes
****/ 
// Car class
var Car = Container.expand(function () {
	var self = Container.call(this);
	var carGfx = self.attachAsset('car', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = carGfx.width;
	self.height = carGfx.height;
	self.speed = 6 + Math.random() * 2; // px per tick
	self.state = 'arriving'; // arriving, refueling, leaving
	self.refuelTicks = 0;
	self.refuelTime = 60 + Math.floor(Math.random() * 60); // 1-2 seconds
	self.pumpX = 0;
	self.pumpY = 0;
	self.update = function () {
		if (self.state === 'arriving') {
			// Move car towards pump
			var dx = self.pumpX - self.x;
			var dy = self.pumpY - self.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist < 10) {
				self.x = self.pumpX;
				self.y = self.pumpY;
				// Stop at pump, but do not start refueling until clicked
				self.state = 'waitingForRefuel';
				self.refuelTicks = 0;
			} else {
				self.x += dx / dist * self.speed;
				self.y += dy / dist * self.speed;
			}
		} else if (self.state === 'refueling') {
			self.refuelTicks++;
			if (self.refuelTicks >= self.refuelTime) {
				self.state = 'leaving';
				self.leaveTargetX = 2200; // off screen right
				self.leaveTargetY = self.y;
			}
		} else if (self.state === 'leaving') {
			self.x += self.speed * 1.2;
			if (self.x > 2200) {
				self.destroyed = true;
			}
		}
	};
	return self;
});
// Pump class
var Pump = Container.expand(function () {
	var self = Container.call(this);
	var pumpGfx = self.attachAsset('pump', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.width = pumpGfx.width;
	self.height = pumpGfx.height;
	self.car = null; // Car currently at this pump
	self.isBusy = function () {
		return !!self.car;
	};
	return self;
});
// Gas Station Floor class
var StationFloor = Container.expand(function () {
	var self = Container.call(this);
	self.floorNum = 1; // 1 = base, 2,3,4 = upgrades
	self.pumps = [];
	// Floor graphics
	var floorAsset = self.attachAsset(self.floorNum === 1 ? 'stationBase' : 'stationFloor', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.width = floorAsset.width;
	self.height = floorAsset.height;
	// Place pumps
	self.initPumps = function () {
		// 2 pumps per floor, increased spacing for more separation
		var pumpSpacing = 400; // increased spacing for more distance between pumps
		var pumpOffset = pumpSpacing * (2 - 1) / 2; // center pumps
		for (var i = 0; i < 2; i++) {
			var pump = new Pump();
			pump.x = -pumpOffset + i * pumpSpacing;
			pump.y = -10;
			self.addChild(pump);
			self.pumps.push(pump);
		}
	};
	self.initPumps();
	return self;
});
// Upgrade Button class
var UpgradeButton = Container.expand(function () {
	var self = Container.call(this);
	var btnGfx = self.attachAsset('upgradeBtn', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Move the icon to the front (after btnGfx, so it is above the button background)
	var icon = self.attachAsset('upgradeIcon', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: 0
	});
	// Do NOT add the label, so only the icon is visible
	self.setEnabled = function (enabled) {
		btnGfx.alpha = enabled ? 1 : 0.5;
		self.interactive = enabled;
		self.buttonMode = enabled;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a2a3a
});

/**** 
* Game Code
****/ 
// new car model
// Upgrade icon
// Upgrade button
// Car
// Pump
// Gas station floor (for floors 2-4)
// Gas station base (floor 1)
// Game state variables
var money = 0;
var floors = [];
var cars = [];
var maxFloors = 4;
var floorCount = 2; // Start with 2 floors
var carSpawnTimer = 0;
var carSpawnInterval = 90; // ticks between car spawns
var upgradeCost = 100;
var upgradeBtn;
var moneyTxt;
var floorYStart = 2200; // y position of base floor
var floorSpacing = 400; // increased vertical space between floors for stacking
// Money display
moneyTxt = new Text2('$0', {
	size: 100,
	fill: 0xFFFFFF
});
moneyTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(moneyTxt);
// Place floors
function placeFloors() {
	// Remove all floors
	for (var i = 0; i < floors.length; i++) {
		floors[i].destroy();
	}
	floors = [];
	// Define the starting X position for the first station
	var startX = 2048 / 2;
	// Define the spacing between stations when placing new ones
	var stationSpacing = 900; // Adjust as needed for visual separation
	for (var f = 0; f < floorCount; f++) {
		var floor = new StationFloor();
		floor.floorNum = f + 1;
		// Set correct asset for base or upper floors
		var assetId = f === 0 ? 'stationBase' : 'stationFloor';
		floor.children[0].setAsset(assetId);
		// Position floors horizontally based on floor number
		// The first two floors are stacked, subsequent floors go to the left
		if (f < 2) {
			floor.x = startX;
			// Stack floors vertically with space between them
			floor.y = floorYStart - f * floorSpacing;
		} else {
			// New floors go to the left of the initial two floors
			floor.x = startX - stationSpacing * (Math.ceil((f + 1) / 2) - 1); // Position new stations to the left
			// Alternate y position for stacked floors in new stations
			floor.y = floorYStart - f % 2 * floorSpacing;
		}
		game.addChild(floor);
		floors.push(floor);
	}
	// --- Place a clickable button right above the first gas station ---
	if (typeof aboveFirstStationBtn !== "undefined" && aboveFirstStationBtn) {
		aboveFirstStationBtn.destroy();
		aboveFirstStationBtn = null;
	}
	aboveFirstStationBtn = new UpgradeButton();
	aboveFirstStationBtn.setEnabled(true);
	aboveFirstStationBtn.interactive = true;
	aboveFirstStationBtn.buttonMode = true;
	// Enlarge the button
	aboveFirstStationBtn.scaleX = 1.4;
	aboveFirstStationBtn.scaleY = 1.4;
	aboveFirstStationBtn.x = 2048 / 2;
	if (floors.length > 0) {
		// Move button even higher above the first floor (base station)
		aboveFirstStationBtn.y = floors[0].y - floors[0].height - 1200;
	} else {
		aboveFirstStationBtn.y = floorYStart - 200 - 1200;
	}
	aboveFirstStationBtn.down = function (x, y, obj) {
		// Open a window (modal) on mouse/touch click
		if (!game.specialWindow) {
			var winW = 900;
			var winH = 700;
			var win = new Container();
			// Background
			var bg = LK.getAsset('stationBase', {
				width: winW,
				height: winH,
				color: 0x224444,
				anchorX: 0.5,
				anchorY: 0.5
			});
			win.addChild(bg);
			// Title
			var title = new Text2("Special Window", {
				size: 90,
				fill: 0xFFFFFF,
				align: "center"
			});
			title.anchor.set(0.5, 0);
			title.x = 0;
			title.y = -winH / 2 + 60;
			win.addChild(title);
			// Close button
			var closeBtn = new Text2("X", {
				size: 80,
				fill: 0xFF4444,
				align: "center"
			});
			closeBtn.anchor.set(0.5, 0.5);
			closeBtn.x = winW / 2 - 60 - 20;
			closeBtn.y = -winH / 2 + 60;
			win.addChild(closeBtn);
			closeBtn.interactive = true;
			closeBtn.buttonMode = true;
			closeBtn.down = function (x, y, obj) {
				if (game.specialWindow) {
					game.specialWindow.destroy();
					game.specialWindow = null;
				}
			};
			// Placeholder for content
			var info = new Text2("Special window content!", {
				size: 60,
				fill: 0xcccccc,
				align: "center"
			});
			info.anchor.set(0.5, 0.5);
			info.x = 0;
			info.y = 60;
			win.addChild(info);
			win.x = 2048 / 2;
			win.y = 2732 / 2;
			LK.gui.center.addChild(win);
			game.specialWindow = win;
		}
		// Animate the button as before
		tween(aboveFirstStationBtn, {
			scaleX: 1.2 * 1.4,
			scaleY: 1.2 * 1.4
		}, {
			duration: 100,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(aboveFirstStationBtn, {
					scaleX: 1.4,
					scaleY: 1.4
				}, {
					duration: 100,
					easing: tween.easeIn
				});
			}
		});
	};
	game.addChild(aboveFirstStationBtn);
}
placeFloors();
// Upgrade button
upgradeBtn = new UpgradeButton();
// Restore upgrade button color to original (dark)
if (upgradeBtn.children && upgradeBtn.children.length > 0) {
	// The first child is the button graphic
	upgradeBtn.children[0].setAsset('upgradeBtn', {
		color: 0x050410
	}); // original dark color
}
// Restore upgrade icon position to previous (centered)
if (upgradeBtn.children && upgradeBtn.children.length > 1) {
	// The second child is the icon
	upgradeBtn.children[1].x = 0;
	upgradeBtn.children[1].y = 0;
}
upgradeBtn.x = 2048 / 2;
upgradeBtn.y = moneyTxt.y + moneyTxt.height + 60; // 60px below the money display
upgradeBtn.setEnabled(true);
upgradeBtn.interactive = true;
upgradeBtn.buttonMode = true;
upgradeBtn.down = function (x, y, obj) {
	// Open upgrade window (modal) on mouse/touch click
	if (!game.upgradeWindow) {
		var winW = 900;
		var winH = 700;
		var win = new Container();
		// Background
		var bg = LK.getAsset('stationBase', {
			width: winW,
			height: winH,
			color: 0x222244,
			anchorX: 0.5,
			anchorY: 0.5
		});
		win.addChild(bg);
		// Title
		var title = new Text2("Upgrade Station", {
			size: 90,
			fill: 0xFFFFFF,
			align: "center"
		});
		title.anchor.set(0.5, 0);
		title.x = 0;
		title.y = -winH / 2 + 60;
		win.addChild(title);
		// Close button
		var closeBtn = new Text2("X", {
			size: 80,
			fill: 0xFF4444,
			align: "center"
		});
		closeBtn.anchor.set(0.5, 0.5);
		closeBtn.x = winW / 2 - 60 - 20;
		closeBtn.y = -winH / 2 + 60;
		win.addChild(closeBtn);
		closeBtn.interactive = true;
		closeBtn.buttonMode = true;
		closeBtn.down = function (x, y, obj) {
			if (game.upgradeWindow) {
				game.upgradeWindow.destroy();
				game.upgradeWindow = null;
			}
		};
		// Placeholder for upgrade options
		var info = new Text2("Upgrade options coming soon!", {
			size: 60,
			fill: 0xcccccc,
			align: "center"
		});
		info.anchor.set(0.5, 0.5);
		info.x = 0;
		info.y = 60;
		win.addChild(info);
		win.x = 2048 / 2;
		win.y = 2732 / 2;
		LK.gui.center.addChild(win);
		game.upgradeWindow = win;
	}
};
// Place upgrade button below money display in gui.top
LK.gui.top.addChild(upgradeBtn);
upgradeBtn.x = 2048 / 2;
upgradeBtn.y = moneyTxt.y + moneyTxt.height + 60; // 60px below the money display
// Automatic Fuel Dispenser Button
var autoDispenserBtnCost = 250;
var autoDispenserEnabled = false;
var autoDispenserBtn = new UpgradeButton();
autoDispenserBtn.x = 2048 / 2;
autoDispenserBtn.y = 2732 - 320;
autoDispenserBtn.setEnabled(money >= autoDispenserBtnCost && !autoDispenserEnabled);
LK.gui.bottom.addChild(autoDispenserBtn);
// Update auto dispenser button state
function updateAutoDispenserBtn() {
	if (!autoDispenserEnabled) {
		autoDispenserBtn.setEnabled(money >= autoDispenserBtnCost);
	} else {
		autoDispenserBtn.setEnabled(false);
	}
}
updateAutoDispenserBtn();
// Handle auto dispenser button press
autoDispenserBtn.down = function (x, y, obj) {
	if (!autoDispenserEnabled && money >= autoDispenserBtnCost) {
		money -= autoDispenserBtnCost;
		autoDispenserEnabled = true;
		updateMoneyTxt();
		updateAutoDispenserBtn();
		// Animate button
		tween(autoDispenserBtn, {
			scaleX: 1.15,
			scaleY: 1.15
		}, {
			duration: 120,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(autoDispenserBtn, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 120,
					easing: tween.easeIn
				});
			}
		});
	}
};
// Update upgrade button label
function updateUpgradeBtn() {
	if (floorCount < maxFloors) {
		upgradeBtn.setEnabled(money >= upgradeCost);
	} else {
		upgradeBtn.setEnabled(false);
	}
}
updateUpgradeBtn();
// Handle upgrade button press
upgradeBtn.down = function (x, y, obj) {
	// Check if the player has enough money for *any* upgrade
	if (money < upgradeCost) {
		// Show a red message below the upgrade button for 4 seconds, and reset timer if pressed again
		if (!game.notEnoughMoneyLabel) {
			game.notEnoughMoneyLabel = new Text2("Not enough money", {
				size: 60,
				fill: 0xFF4444,
				align: "center"
			});
			game.notEnoughMoneyLabel.anchor.set(0.5, 0);
			// Place below the upgrade button (add 40px for spacing)
			game.notEnoughMoneyLabel.x = upgradeBtn.x;
			game.notEnoughMoneyLabel.y = upgradeBtn.y + upgradeBtn.height / 2 + 40;
			LK.gui.top.addChild(game.notEnoughMoneyLabel);
		}
		// Always reset the timer if pressed again
		if (game.notEnoughMoneyTimeout) {
			LK.clearTimeout(game.notEnoughMoneyTimeout);
			game.notEnoughMoneyTimeout = null;
		}
		game.notEnoughMoneyLabel.visible = true;
		// Hide after 4 seconds
		game.notEnoughMoneyTimeout = LK.setTimeout(function () {
			if (game.notEnoughMoneyLabel) {
				game.notEnoughMoneyLabel.visible = false;
			}
			game.notEnoughMoneyTimeout = null;
		}, 4000);
		return;
	}
	// If money is sufficient, first check for the special upgrade condition (money exactly 100)
	if (money === 100) {
		// Deduct the upgrade cost (set to 100 for this special case)
		money -= 100; // Assuming 100 is the cost for the first special upgrade
		updateMoneyTxt();
		// Show a green message below the upgrade button for 4 seconds, and reset timer if pressed again
		if (!game.upgradeSuccessLabel) {
			game.upgradeSuccessLabel = new Text2("Upgrade successful!", {
				size: 60,
				fill: 0x44FF44,
				align: "center"
			});
			game.upgradeSuccessLabel.anchor.set(0.5, 0);
			// Place below the upgrade button (add 40px for spacing)
			game.upgradeSuccessLabel.x = upgradeBtn.x;
			game.upgradeSuccessLabel.y = upgradeBtn.y + upgradeBtn.height / 2 + 40;
			LK.gui.top.addChild(game.upgradeSuccessLabel);
		}
		// Always reset the timer if pressed again
		if (game.upgradeSuccessTimeout) {
			LK.clearTimeout(game.upgradeSuccessTimeout);
			game.upgradeSuccessTimeout = null;
		}
		game.upgradeSuccessLabel.visible = true;
		// Hide after 4 seconds
		game.upgradeSuccessTimeout = LK.setTimeout(function () {
			if (game.upgradeSuccessLabel) {
				game.upgradeSuccessLabel.visible = false;
			}
			game.upgradeSuccessTimeout = null;
		}, 4000);
		// Add new floors and pumps for the special upgrade
		// Check if we are at the initial state and money is 100 for the special upgrade
		// We should only add floors up to 4 total
		if (floorCount < maxFloors) {
			floorCount = Math.min(floorCount + 2, maxFloors); // Add 2 floors, but not exceeding maxFloors
			placeFloors(); // Re-place all floors including the new ones
			updateUpgradeBtn();
		}
		// Enable new car model
		if (typeof extraCarModelEnabled === "undefined") {
			extraCarModelEnabled = true;
		}
		// Optionally, show a message for the new car model
		if (!game.newCarModelWindow) {
			var winW = 700;
			var winH = 350;
			var win = new Container();
			var bg = LK.getAsset('stationBase', {
				width: winW,
				height: winH,
				color: 0x224444,
				anchorX: 0.5,
				anchorY: 0.5
			});
			win.addChild(bg);
			var title = new Text2("New car model unlocked!", {
				size: 70,
				fill: 0x44FF44,
				align: "center"
			});
			title.anchor.set(0.5, 0.5);
			title.x = 0;
			title.y = 0;
			win.addChild(title);
			var closeBtn = new Text2("OK", {
				size: 60,
				fill: 0xFFFFFF,
				align: "center"
			});
			closeBtn.anchor.set(0.5, 0.5);
			closeBtn.x = 0;
			closeBtn.y = winH / 2 - 60;
			win.addChild(closeBtn);
			closeBtn.interactive = true;
			closeBtn.buttonMode = true;
			closeBtn.down = function (x, y, obj) {
				if (game.newCarModelWindow) {
					game.newCarModelWindow.destroy();
					game.newCarModelWindow = null;
				}
			};
			win.x = 2048 / 2;
			win.y = 2732 / 2;
			LK.gui.center.addChild(win);
			game.newCarModelWindow = win;
		}
		return; // Exit the function after the special upgrade
	}
	// If not the special case and money is sufficient for a normal upgrade:
	// Deduct the upgrade cost for normal upgrades
	money -= upgradeCost;
	updateMoneyTxt();
	// Open upgrade window (modal) on mouse/touch click
	if (!game.upgradeWindow) {
		var winW = 900;
		var winH = 700;
		var win = new Container();
		// Background
		var bg = LK.getAsset('stationBase', {
			width: winW,
			height: winH,
			color: 0x222244,
			anchorX: 0.5,
			anchorY: 0.5
		});
		win.addChild(bg);
		// Title
		var title = new Text2("Upgrade Station", {
			size: 90,
			fill: 0xFFFFFF,
			align: "center"
		});
		title.anchor.set(0.5, 0);
		title.x = 0;
		title.y = -winH / 2 + 60;
		win.addChild(title);
		// Close button
		var closeBtn = new Text2("X", {
			size: 80,
			fill: 0xFF4444,
			align: "center"
		});
		closeBtn.anchor.set(0.5, 0.5);
		closeBtn.x = winW / 2 - 60 - 20;
		closeBtn.y = -winH / 2 + 60;
		win.addChild(closeBtn);
		closeBtn.interactive = true;
		closeBtn.buttonMode = true;
		closeBtn.down = function (x, y, obj) {
			if (game.upgradeWindow) {
				game.upgradeWindow.destroy();
				game.upgradeWindow = null;
			}
		};
		// Placeholder for upgrade options
		var info = new Text2("Upgrade options coming soon!", {
			size: 60,
			fill: 0xcccccc,
			align: "center"
		});
		info.anchor.set(0.5, 0.5);
		info.x = 0;
		info.y = 60;
		win.addChild(info);
		win.x = 2048 / 2;
		win.y = 2732 / 2;
		LK.gui.center.addChild(win);
		game.upgradeWindow = win;
	}
};
// Update money text
function updateMoneyTxt() {
	moneyTxt.setText('$' + money);
	updateUpgradeBtn();
	if (typeof updateAutoDispenserBtn === "function") updateAutoDispenserBtn();
}
// Find a free pump, returns {floor, pump} or null
function findFreePump() {
	for (var f = 0; f < floors.length; f++) {
		var floor = floors[f];
		for (var p = 0; p < floor.pumps.length; p++) {
			if (!floor.pumps[p].isBusy()) {
				return {
					floor: floor,
					pump: floor.pumps[p],
					floorIndex: f,
					pumpIndex: p
				};
			}
		}
	}
	return null;
}
// Spawn a car at a free pump
function spawnCar() {
	var spot = findFreePump();
	if (!spot) return;
	// Choose car model based on unlock
	var carModel = typeof extraCarModelEnabled !== "undefined" && extraCarModelEnabled && Math.random() < 0.5 ? 'car2' : 'car';
	var car = new Car();
	if (carModel === 'car2') {
		// Replace car's graphic with car2
		if (car.children && car.children.length > 0) {
			car.children[0].setAsset('car2', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			car.width = car.children[0].width;
			car.height = car.children[0].height;
		}
	}
	// Start off screen left
	car.x = -200;
	car.y = spot.floor.y - 60;
	// Match pumpSpacing and pumpOffset from StationFloor (increased spacing)
	var pumpSpacing = 400;
	var pumpOffset = pumpSpacing * (2 - 1) / 2;
	car.pumpX = spot.floor.x - pumpOffset + spot.pumpIndex * pumpSpacing;
	car.pumpY = spot.floor.y - 60;
	spot.pump.car = car;
	game.addChild(car);
	cars.push({
		car: car,
		pump: spot.pump
	});
}
// Game update loop
game.update = function () {
	// Spawn cars
	carSpawnTimer++;
	if (carSpawnTimer >= carSpawnInterval) {
		carSpawnTimer = 0;
		spawnCar();
	}
	// Update cars
	for (var i = cars.length - 1; i >= 0; i--) {
		var carObj = cars[i];
		var car = carObj.car;
		// Manual refuel: if car is waiting at pump, allow click to start refuel
		if (car.state === 'waitingForRefuel' && !carObj.manualRefuelListenerAdded && !carObj.autoRefuel) {
			car.interactive = true;
			car.buttonMode = true;
			car.down = function (carObj) {
				return function (x, y, obj) {
					// Only allow if still waiting for refuel
					if (carObj.car.state === 'waitingForRefuel') {
						carObj.car.state = 'refueling';
						carObj.car.refuelTicks = 0;
						carObj.car.interactive = false;
						carObj.car.buttonMode = false;
					}
				};
			}(carObj);
			carObj.manualRefuelListenerAdded = true;
		}
		// If auto dispenser is purchased, auto-refuel cars
		if (typeof autoDispenserEnabled !== "undefined" && autoDispenserEnabled && (car.state === 'waitingForRefuel' || car.state === 'refueling') && !carObj.autoRefuel) {
			if (car.state === 'waitingForRefuel') {
				car.state = 'refueling';
				car.refuelTicks = 0;
				car.interactive = false;
				car.buttonMode = false;
			}
			car.refuelTicks = car.refuelTime;
			carObj.autoRefuel = true;
		}
		// If auto dispenser is purchased, auto-refuel cars
		if (typeof autoDispenserEnabled !== "undefined" && autoDispenserEnabled && car.state === 'refueling' && !carObj.autoRefuel) {
			car.refuelTicks = car.refuelTime;
			carObj.autoRefuel = true;
		}
		car.update();
		// If car finished refueling, give money and set pump free
		if (car.state === 'leaving' && !carObj.paid) {
			var earned = 10 + 5 * (carObj.pump.parent.floorNum - 1);
			if (carObj.pump.parent.floorNum === 1) {
				if (earned > 5) {
					earned = 5;
				}
			}
			money += earned;
			updateMoneyTxt();
			carObj.paid = true;
			carObj.pump.car = null;
			updateUpgradeBtn();
		}
		// Remove car if destroyed
		if (car.destroyed) {
			car.destroy();
			cars.splice(i, 1);
		}
	}
};
// Initial money
money = 50;
updateMoneyTxt();
updateUpgradeBtn();