const theme = {
	load() {
		if (window.location.pathname === '/mobile/') {
			const link = document.createElement('link');
			link.rel = 'stylesheet';
			link.href = '/resources/styles/mobile.css';
			document.head.appendChild(link);
		}
		const setTheme = cookie.get('minexlauncher.theme');
		if (setTheme === null) {
			theme.set('default');
		} else if (setTheme !== 'default') {
			const link = document.createElement('link');
			link.rel = 'stylesheet';
			link.href = `/resources/styles/${setTheme}.css`;
			document.head.appendChild(link);
		}
	},
	set(setTheme: string) {
		cookie.set('minexlauncher.theme', setTheme, 30);
		window.location.reload();
	},
};

const versionSelector = {
	open() {
		const customOptions = document.querySelector('.custom-options');
		const customSelect = document.querySelector('.custom-select');
		if (customOptions && customSelect) {
			customOptions.classList.add('open');
			customSelect.classList.add('open');
		}
	},
	close() {
		const customOptions = document.querySelector('.custom-options');
		const customSelect = document.querySelector('.custom-select');
		if (customOptions && customSelect) {
			customOptions.classList.remove('open');
			customSelect.classList.remove('open');
		}
	},
	toggle() {
		const customOptions = document.querySelector('.custom-options');
		const customSelect = document.querySelector('.custom-select');
		if (customOptions && customSelect) {
			customOptions.classList.toggle('open');
			customSelect.classList.toggle('open');
		}
	},
};

const game = {
	play(version?: string) {
		if (version) {
			embed.remove();
			// @ts-expect-error 123
			window.top.location.href = version;
		} else if (selectedVersion) {
			embed.remove();
			// @ts-expect-error 123
			window.top.location.href = selectedVersion;
		} else {
			alert('Please select a version to play.');
			return;
		}
	},
	select(path: string, name: string) {
		selectedVersion = path;
		const selector = document.querySelector('.custom-select');
		if (selector?.textContent) {
			if (name) {
				selector.textContent = `Selected: ${name}`;
			} else {
				selector.textContent = `Selected: ${path}`;
			}
		}
		versionSelector.close();
	},
	archive(client: string) {
		const clients: Record<string, string> = {
			'1.8.8': '18-client-version',
			'1.5.2': '15-client-version',
			'b1.3': 'b13-client-version',
		};
		const dropdown = clients[client] ? (document.getElementById(clients[client]) as HTMLSelectElement) : null;
		if (dropdown?.value) {
			selectedVersion = `https://archive.eaglercraft.rip/Eaglercraft${client === 'b1.3' ? '_b1.3' : `_${client}`}/client/${dropdown.value}/index.html`;
			game.play();
		}
	},
};

const embed = {
	create() {
		const iframe = document.createElement('iframe');
		iframe.id = 'embed';
		iframe.style.position = 'fixed';
		iframe.style.top = '0';
		iframe.style.left = '0';
		iframe.style.width = '100%';
		iframe.style.height = '100%';
		iframe.style.border = 'none';
		if (isMobile()) {
			iframe.src = '/mobile/';
		} else {
			iframe.src = '/home/';
		}
		document.body.appendChild(iframe);
	},
	remove() {
		const iframe = document.getElementById('embed');
		iframe?.remove();
	},
};

const navigate = {
	home: {
		game() {
			window.location.href = '/home/game/';
		},
		clients() {
			window.location.href = '/home/clients/';
		},
		archive() {
			window.location.href = '/home/archive/';
		},
		downloads() {
			window.location.href = '/home/downloads/';
		},
	},
	mods: {
		client() {
			window.location.href = '/mods/client/';
		},
		mods() {
			window.location.href = '/mods/mods/';
		},
		resourcepacks() {
			window.location.href = '/mods/resourcepacks/';
		},
	},
	mobile() {
		window.location.href = '/mobile/';
	},
	updates() {
		window.location.href = '/updates/';
	},
	servers() {
		window.location.href = '/servers/';
	},
	settings() {
		window.location.href = '/settings/';
	},
};

const cookie = {
	get(key: string): string | null {
		for (const cookie of document.cookie.replaceAll('; ', ';').split(';')) {
			const cookiePair = cookie.split('=');
			if (encodeURIComponent(key) === cookiePair[0]) {
				return decodeURIComponent(cookiePair[1]);
			}
		}
		return null;
	},
	set(key: string, value: string, days: number) {
		let maxAge;
		if (days) {
			maxAge = days * 60 * 60 * 24;
		} else {
			maxAge = 31536000;
		}
		document.cookie = `${encodeURIComponent(key)}=${encodeURIComponent(value)}; max-age=${maxAge}; path=/; secure`;
	},
	delete(key: string) {
		document.cookie = `${encodeURIComponent(key)}=; max-age=0; path=/`;
	},
};

const query = {
	get(name: string) {
		const urlParams = new URLSearchParams(top?.location.search);
		return urlParams.get(name);
	},
};

function isMobile(): boolean {
	try {
		document.exitPointerLock();
		return /Mobi/i.test(window.navigator.userAgent);
	} catch (e) {
		return true;
	}
}

if (window.location.hostname === '0.0.0.0') {
	navigate;
	query;
}

let selectedVersion: string;
theme.load();

document.addEventListener('DOMContentLoaded', function () {
	const usernameForm = document.getElementById('username-form') as HTMLFormElement;
	const usernameInput = document.getElementById('username-input') as HTMLInputElement;
	const profileName = document.getElementById('profile-name');

	const savedUsername = cookie.get('minexlauncher.username');
	if (profileName && savedUsername) {
		profileName.textContent = savedUsername;
	} else if (profileName && !savedUsername) {
		profileName.textContent = 'Default';
	}

	if (profileName && window.location.pathname === '/settings/') {
		usernameForm.addEventListener('submit', function (event) {
			event.preventDefault();
			const username = usernameInput.value.trim();
			if (username) {
				cookie.set('minexlauncher.username', username, 30);
				profileName.textContent = cookie.get('minexlauncher.username');
			}
		});
	}
});