import { t } from '@/i18n'
import type { WorkspaceSettings } from '@/composables/useSettings'
import { localDayTime } from '@/lib/activityTime'

export const FOREVER_DAYS = 0
export const SAVED_VISIBLE_MS = 2000

const RANKED_PERIODS = [30, 90, 365, FOREVER_DAYS]

export function retentionOptions() {
	return RANKED_PERIODS.map((value) => ({ value, label: periodLabel(value) }))
}

export function periodLabel(days: number) {
	switch (days) {
		case 30:
			return t('30 days')
		case 90:
			return t('90 days')
		case 365:
			return t('365 days')
		default:
			return t('Forever')
	}
}

export function periodRank(days: number) {
	return RANKED_PERIODS.indexOf(days)
}

export function isShorter(candidate: number, saved: number) {
	return periodRank(candidate) < periodRank(saved)
}

export function helperCopy(days: number) {
	return days === FOREVER_DAYS
		? t('Nothing is removed automatically. The log grows over time.')
		: t('Older events are removed automatically.')
}

export function lastCleanupLine(settings: WorkspaceSettings) {
	if (!settings.activity_last_cleanup_at) {
		return t('Never')
	}
	const removed = settings.activity_last_cleanup_removed
	const count = t(removed === 1 ? '{0} event removed' : '{0} events removed', [removed])
	return `${localDayTime(settings.activity_last_cleanup_at)} · ${count}`
}

export function nextCleanupLine(settings: WorkspaceSettings) {
	return settings.activity_next_cleanup_at
		? localDayTime(settings.activity_next_cleanup_at)
		: t('Not scheduled')
}

export function shorteningDescription(settings: WorkspaceSettings) {
	return settings.activity_next_cleanup_at
		? t("This happens at the next cleanup on {0}. It can't be undone.", [
				localDayTime(settings.activity_next_cleanup_at),
			])
		: t("Older events will be removed at the next cleanup. It can't be undone.")
}