import * as Deposit from './Deposit.js'

describe('generateId', () => {
  test('embeds the timestamp so lexical order is chronological', () => {
    const earlier = Deposit.generateId(new Date('2026-01-01T00:00:00.000Z'))
    const later = Deposit.generateId(new Date('2026-01-01T00:00:01.000Z'))
    expect(earlier).toMatch(/^fdp_\d{15}_[0-9A-Za-z]{24}$/)
    expect(earlier < later).toBe(true)
  })
})

describe('isTerminal', () => {
  test('recognizes only completed and refunded deposits', () => {
    expect(Deposit.statuses.filter(Deposit.isTerminal)).toEqual(['completed', 'refunded'])
  })
})

describe('canTransition', () => {
  test('allows evidence-driven progress and prevents terminal exits', () => {
    expect(Deposit.canTransition('detected', 'bridging')).toBe(true)
    expect(Deposit.canTransition('bridging', 'settling')).toBe(true)
    expect(Deposit.canTransition('settling', 'completed')).toBe(true)
    expect(Deposit.canTransition('completed', 'refunding')).toBe(false)
    expect(Deposit.canTransition('refunded', 'bridging')).toBe(false)
  })
})