document.addEventListener('DOMContentLoaded', () => {
	const save = document.getElementById('nuqloud-master-calendar-save')
	const mode = document.getElementById('nuqloud-master-calendar-mode')
	if (!save || !mode) return

	save.addEventListener('click', async () => {
		save.disabled = true
		try {
			const response = await fetch(OC.generateUrl('/apps/nuqloud_master_calendar/settings/source-mode'), {
				method: 'POST',
				headers: { 'Content-Type': 'application/json', requesttoken: OC.requestToken },
				body: JSON.stringify({ mode: mode.value }),
			})
			if (!response.ok) throw new Error('Unable to save calendar source mode.')
		} finally {
			save.disabled = false
		}
	})
})