import { describe, it, expect } from 'vitest'
import { sanitizeString, sanitizeInt } from '../../server/middleware/validate.js'

describe('sanitizeString', () => {
  it('trims whitespace', () => {
    expect(sanitizeString('  hello  ')).toBe('hello')
  })

  it('truncates to 10000 chars', () => {
    const long = 'a'.repeat(20_000)
    expect(sanitizeString(long)).toHaveLength(10_000)
  })

  it('returns empty string for non-string input', () => {
    expect(sanitizeString(123)).toBe('')
    expect(sanitizeString(null)).toBe('')
    expect(sanitizeString(undefined)).toBe('')
  })
})

describe('sanitizeInt', () => {
  it('accepts valid positive integers', () => {
    expect(sanitizeInt(42)).toBe(42)
    expect(sanitizeInt(0)).toBe(0)
    expect(sanitizeInt(100_000)).toBe(100_000)
  })

  it('rejects negative numbers', () => {
    expect(sanitizeInt(-1)).toBeNull()
    expect(sanitizeInt(-100)).toBeNull()
  })

  it('rejects floats', () => {
    expect(sanitizeInt(1.5)).toBeNull()
    expect(sanitizeInt(0.001)).toBeNull()
  })

  it('rejects non-numeric input', () => {
    expect(sanitizeInt('abc')).toBeNull()
    expect(sanitizeInt(NaN)).toBeNull()
  })

  it('converts string numbers', () => {
    expect(sanitizeInt('42')).toBe(42)
    expect(sanitizeInt('0')).toBe(0)
  })
})