import { test } from 'node:test'
import assert from 'node:assert/strict'
import { selectReleasesToDelete } from '../releases.js'

const releases = [
  { id: 1, tag_name: 'v1.0.0', created_at: '2024-01-01T00:00:00Z' },
  { id: 3, tag_name: 'v3.0.0', created_at: '2024-03-01T00:00:00Z' },
  { id: 2, tag_name: 'v2.0.0', created_at: '2024-02-01T00:00:00Z' },
]

test('selectReleasesToDelete 保留最新的 keepCount 筆,刪除其餘', () => {
  const toDelete = selectReleasesToDelete(releases, 2)
  assert.equal(toDelete.length, 1)
  assert.equal(toDelete[0].tag_name, 'v1.0.0')
})

test('selectReleasesToDelete 在數量不超過保留數時回傳空陣列', () => {
  assert.deepEqual(selectReleasesToDelete(releases, 3), [])
  assert.deepEqual(selectReleasesToDelete(releases, 5), [])
})

test('selectReleasesToDelete 在 keepCount 為 0 時刪除全部(由新到舊)', () => {
  const toDelete = selectReleasesToDelete(releases, 0)
  assert.deepEqual(
    toDelete.map((r) => r.tag_name),
    ['v3.0.0', 'v2.0.0', 'v1.0.0'],
  )
})

test('selectReleasesToDelete 不改動原陣列', () => {
  const original = [...releases]
  selectReleasesToDelete(releases, 1)
  assert.deepEqual(releases, original)
})