import {expect, test} from 'vitest'
import {describeDeleteImpact} from './deleteImpact'
import type {CloudResource} from '@/types/resource'

const impact = [
    {path: 'metadata.estimatedNumberOfUsers', singular: 'user', plural: 'users'},
    {path: 'metadata.appClients', singular: 'app client', plural: 'app clients'},
]

function pool(users: unknown, clients: unknown[]): CloudResource {
    return {id: 'p', name: 'p', cloud: 'aws', service: 'userpools', type: 'user-pool', region: null, createdAt: null, metadata: {estimatedNumberOfUsers: users, appClients: clients}}
}

test('sums numbers and list lengths across the selection', () => {
    expect(describeDeleteImpact(impact, [pool(2, [{}]), pool(1, [])])).toBe('This also deletes 3 users and 1 app client.')
})

test('leaves out zero and unreadable counts', () => {
    expect(describeDeleteImpact(impact, [pool(0, [{}, {}])])).toBe('This also deletes 2 app clients.')
    expect(describeDeleteImpact(impact, [pool(null, [])])).toBeNull()
    expect(describeDeleteImpact(undefined, [pool(5, [])])).toBeNull()
})