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

describe('blockToIso', () => {
  test('prefers the millisecond timestamp on a raw header', () => {
    expect(
      Value.blockToIso({ timestamp: '0x6a7b5571', timestampMillis: '0x19ff1c5c312' }),
    ).toMatchInlineSnapshot(`"2026-08-11T17:01:37.426Z"`)
  })

  test('falls back to whole seconds when the millisecond timestamp is absent', () => {
    expect(Value.blockToIso({ timestamp: '0x6a7b5571' })).toMatchInlineSnapshot(
      `"2026-08-11T17:01:37.000Z"`,
    )
  })

  test('reads a viem-formatted header', () => {
    expect(
      Value.blockToIso({ timestamp: 1_786_467_697n, timestampMillis: '0x19ff1c5c312' }),
    ).toMatchInlineSnapshot(`"2026-08-11T17:01:37.426Z"`)
  })

  test('returns undefined without a usable timestamp', () => {
    expect(Value.blockToIso(undefined)).toMatchInlineSnapshot(`undefined`)
    expect(Value.blockToIso({ timestamp: null })).toMatchInlineSnapshot(`undefined`)
  })
})

describe('tokenAmount', () => {
  test('renders a self-contained token quantity', () => {
    expect(
      Value.tokenAmount({
        baseUnits: '1234567',
        currency: 'USD',
        decimals: 6,
      }),
    ).toMatchInlineSnapshot(`
      {
        "baseUnits": "1234567",
        "currency": "USD",
        "decimals": 6,
        "formatted": "1.234567",
      }
    `)
  })
})