import { test } from 'node:test'
import assert from 'node:assert/strict'
import { runBatchDelete } from '../src/shared/utils/batch-delete.ts'

test('空列表不调用删除并返回 0', async () => {
  let calls = 0
  const result = await runBatchDelete([], async () => {
    calls += 1
  })

  assert.deepEqual(result, { total: 0, failed: 0 })
  assert.equal(calls, 0)
})

test('全部成功时 failed 为 0', async () => {
  const seen: number[] = []
  const result = await runBatchDelete([1, 2, 3], async (n) => {
    seen.push(n)
  })

  assert.deepEqual(result, { total: 3, failed: 0 })
  assert.deepEqual(seen, [1, 2, 3])
})

test('个别失败继续删其余并计数', async () => {
  const seen: number[] = []
  const result = await runBatchDelete([1, 2, 3, 4], async (n) => {
    seen.push(n)
    if (n === 2 || n === 4) throw new Error('删除失败')
  })

  assert.deepEqual(result, { total: 4, failed: 2 })
  assert.deepEqual(seen, [1, 2, 3, 4], '失败后应继续处理后续条目')
})

test('抛出非 Error 也计入失败', async () => {
  const result = await runBatchDelete(['a'], async () => {
    throw 'boom'
  })

  assert.deepEqual(result, { total: 1, failed: 1 })
})