import assert from 'node:assert/strict'
import test from 'node:test'

import { canonicalizeBackupExclusions, formatBackupExclusionPath } from './instance-backup.ts'

test('directory exclusions display with a trailing slash', () => {
	assert.equal(formatBackupExclusionPath({ path: 'caches', kind: 'directory' }), 'caches/')
	assert.equal(
		formatBackupExclusionPath({ path: 'config/somemod/bigdb.sqlite', kind: 'file' }),
		'config/somemod/bigdb.sqlite',
	)
})

test('directory exclusions cover descendants while file exclusions stay exact', () => {
	assert.deepEqual(
		canonicalizeBackupExclusions([
			{ path: 'saves/world', kind: 'directory' },
			{ path: 'config\\bigdb.sqlite', kind: 'file' },
			{ path: 'saves', kind: 'directory' },
			{ path: 'config', kind: 'file' },
		]),
		[
			{ path: 'config', kind: 'file' },
			{ path: 'saves', kind: 'directory' },
			{ path: 'config/bigdb.sqlite', kind: 'file' },
		],
	)
})

test('directory wins when the same exclusion is selected as both kinds', () => {
	assert.deepEqual(
		canonicalizeBackupExclusions([
			{ path: 'cache', kind: 'file' },
			{ path: 'cache', kind: 'directory' },
		]),
		[{ path: 'cache', kind: 'directory' }],
	)
})