import { test } from 'node:test'
import assert from 'node:assert/strict'
import { isEmptyOrNull, requireValue, requireInteger } from '../validate.js'

test('isEmptyOrNull 對空值回傳 true', () => {
  assert.equal(isEmptyOrNull(''), true)
  assert.equal(isEmptyOrNull(null), true)
  assert.equal(isEmptyOrNull(undefined), true)
  assert.equal(isEmptyOrNull('null'), true)
})

test('isEmptyOrNull 對有效值回傳 false', () => {
  assert.equal(isEmptyOrNull('value'), false)
  assert.equal(isEmptyOrNull('0'), false)
  assert.equal(isEmptyOrNull(0), false)
})

test('requireValue 對空值丟出錯誤', () => {
  assert.throws(() => requireValue('NAME', ''), /NAME is required/)
  assert.throws(() => requireValue('NAME', 'null'), /NAME is required/)
})

test('requireValue 對有效值不丟出錯誤', () => {
  assert.doesNotThrow(() => requireValue('NAME', 'value'))
})

test('requireInteger 接受非負整數', () => {
  assert.doesNotThrow(() => requireInteger('KEEP_COUNT', '0'))
  assert.doesNotThrow(() => requireInteger('KEEP_COUNT', '10'))
  assert.doesNotThrow(() => requireInteger('KEEP_COUNT', 5))
})

test('requireInteger 拒絕非整數或負數', () => {
  assert.throws(() => requireInteger('KEEP_COUNT', '-1'), /non-negative integer/)
  assert.throws(() => requireInteger('KEEP_COUNT', '1.5'), /non-negative integer/)
  assert.throws(() => requireInteger('KEEP_COUNT', 'abc'), /non-negative integer/)
})