import { describe, it, expect } from 'vitest'
import { WalletConnectorError, NoCommonNetworkError } from './errors'

describe('WalletConnectorError', () => {
  it('preserves a numeric EIP-1193 code (MFS-667)', () => {
    const err = new WalletConnectorError({
      type: 'unknown',
      message: 'already pending',
      code: -32002
    })
    expect(err.code).toBe(-32002)
    expect(err.type).toBe('unknown')
    expect(err.message).toBe('already pending')
    expect(err).toBeInstanceOf(Error)
  })

  it('omits code when none is provided', () => {
    const err = new WalletConnectorError({ type: 'rejected', message: 'no' })
    expect(err.code).toBeUndefined()
  })

  it('ignores a non-numeric code so the structural slot never carries free-form data', () => {
    // The `code` field feeds telemetry as a structural signal; a wrapper that
    // passes a string/NaN must not smuggle it onto the numeric slot.
    const err = new WalletConnectorError({
      type: 'unknown',
      message: 'x',
      // @ts-expect-error — a wallet-controlled value may be the wrong type at runtime
      code: 'ACTION_REJECTED'
    })
    expect(err.code).toBeUndefined()
  })

  it('rejects non-integer numeric codes (NaN / Infinity / float)', () => {
    // A wallet controls `code`; only a finite integer is a valid JSON-RPC/EIP-1193
    // code, so NaN/Infinity/floats must not flip the classifier's hasNumericCode.
    for (const code of [NaN, Infinity, -Infinity, 1.5]) {
      const err = new WalletConnectorError({
        type: 'unknown',
        message: 'x',
        code
      })
      expect(err.code).toBeUndefined()
    }
  })

  it('keeps a valid negative integer code (e.g. -32002)', () => {
    const err = new WalletConnectorError({
      type: 'unknown',
      message: 'x',
      code: -32002
    })
    expect(err.code).toBe(-32002)
  })

  it('NoCommonNetworkError carries no code and keeps its id lists', () => {
    const err = new NoCommonNetworkError(['eip155:1'], ['solana:101'])
    expect(err.code).toBeUndefined()
    expect(err.walletNetworkIds).toEqual(['eip155:1'])
    expect(err.configuredNetworkIds).toEqual(['solana:101'])
  })
})