fruithostPanel/default/js/global.js

(() => {
	'use strict'

	const getStoredTheme = () => localStorage.getItem('theme')
	const setStoredTheme = theme => localStorage.setItem('theme', theme)

	const getPreferredTheme = () => {
		const storedTheme = getStoredTheme()
		
		if (storedTheme) {
			return storedTheme
		}

		return window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light'
	}

	const setTheme = theme => {
		if (theme === 'auto' && window.matchMedia('(prefers-color-scheme: dark)').matches) {
			document.documentElement.setAttribute('data-bs-theme', 'dark')
		} else {
			document.documentElement.setAttribute('data-bs-theme', theme)
		}
	}

	setTheme(getPreferredTheme())

	const showActiveTheme = (theme, focus = false) => {
		const themeSwitcher = document.querySelector('#bd-theme')

		if (!themeSwitcher) {
			return
		}

		const themeSwitcherText = document.querySelector('#bd-theme-text')
		const activeThemeIcon = document.querySelector('.theme-icon-active')
		const btnToActive = document.querySelector(`[data-bs-theme-value="${theme}"]`)
		const svgOfActiveBtn = btnToActive.querySelector('i')

		document.querySelectorAll('[data-bs-theme-value]').forEach(element => {
			element.classList.remove('active')
			element.setAttribute('aria-pressed', 'false')
		})
		
		btnToActive.classList.add('active')
		btnToActive.setAttribute('aria-pressed', 'true')
		
		activeThemeIcon.classList.remove(activeThemeIcon.dataset.current);
		activeThemeIcon.dataset.current = svgOfActiveBtn.dataset.name;
		activeThemeIcon.classList.add(svgOfActiveBtn.dataset.name);
		activeThemeIcon.classList.add('theme-icon-active');
		
		const themeSwitcherLabel = `${themeSwitcherText.textContent} (${btnToActive.dataset.bsThemeValue})`
		themeSwitcher.setAttribute('aria-label', themeSwitcherLabel)

		if (focus) {
			themeSwitcher.focus()
		}
	}

	window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', () => {
		const storedTheme = getStoredTheme()
		
		if (storedTheme !== 'light' && storedTheme !== 'dark') {
			setTheme(getPreferredTheme())
		}
	})

	window.addEventListener('DOMContentLoaded', () => {
		showActiveTheme(getPreferredTheme())

		document.querySelectorAll('[data-bs-theme-value]').forEach(toggle => {
			toggle.addEventListener('click', () => {
				const theme = toggle.getAttribute('data-bs-theme-value')
				setStoredTheme(theme)
				setTheme(theme)
				showActiveTheme(theme, true)
			})
		})
	})
})();