import { describe, it, expect, beforeEach, afterEach } from 'vitest'
import { getSessionMaxAgeDays } from '../../server/utils/session.js'

describe('session', () => {
  const origEnv = process.env

  beforeEach(() => {
    process.env = { ...origEnv }
  })

  afterEach(() => {
    process.env = origEnv
  })

  it('returns default 7 days when SESSION_MAX_AGE_DAYS not set', () => {
    delete process.env.SESSION_MAX_AGE_DAYS
    expect(getSessionMaxAgeDays()).toBe(7)
  })

  it('returns default when SESSION_MAX_AGE_DAYS is NaN', () => {
    process.env.SESSION_MAX_AGE_DAYS = 'invalid'
    expect(getSessionMaxAgeDays()).toBe(7)
  })

  it('clamps to MIN_DAYS (1) when value below', () => {
    process.env.SESSION_MAX_AGE_DAYS = '0'
    expect(getSessionMaxAgeDays()).toBe(1)
  })

  it('clamps to MAX_DAYS (365) when value above', () => {
    process.env.SESSION_MAX_AGE_DAYS = '400'
    expect(getSessionMaxAgeDays()).toBe(365)
  })

  it('returns parsed value when within range', () => {
    process.env.SESSION_MAX_AGE_DAYS = '14'
    expect(getSessionMaxAgeDays()).toBe(14)
  })
})