import { describe, expect, it } from 'vitest'
import fc from 'fast-check'
import { ExtendedJson } from '../../src/utils/extended-json.js'

describe('ExtendedJson', () => {
  it('round-trips bigint and Uint8Array, nested anywhere', () => {
    const value = { a: 1n, b: [new Uint8Array([0, 1, 255]), -(2n ** 70n)], c: { d: new Uint8Array(0), e: 'plain', f: null } }
    expect(ExtendedJson.stringify({ n: 5n, bytes: new Uint8Array([171, 205]) })).toBe('{"n":"<bigint: 5n>","bytes":"<uint8array: abcd>"}')
    expect(ExtendedJson.parse(ExtendedJson.stringify(value))).toEqual(value)
  })

  it('round-trips arbitrary data (property)', () => {
    const data = fc.letrec((tie) => ({
      value: fc.oneof(
        { depthSize: 'small' },
        fc.bigInt(),
        fc.uint8Array(),
        fc.string(),
        fc.double({ noNaN: true, noDefaultInfinity: true }),
        fc.boolean(),
        fc.constant(null),
        fc.array(tie('value')),
        fc.dictionary(fc.string(), tie('value')),
      ),
    })).value
    fc.assert(
      fc.property(data, (v) => {
        expect(ExtendedJson.parse(ExtendedJson.stringify(v))).toEqual(v)
      }),
    )
  })
})