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

describe('from', () => {
  test('derives EVM chain metadata from an EIP-155 id', () => {
    const chain = Chain.from({
      aliases: ['eth'],
      id: 'eip155:1',
      name: 'Ethereum',
      slug: 'ethereum',
    })
    expect(metadata(chain)).toMatchInlineSnapshot(`
      {
        "addressFormat": "hex",
        "aliases": [
          "eth",
        ],
        "id": "eip155:1",
        "kind": "evm",
        "name": "Ethereum",
        "slug": "ethereum",
      }
    `)
  })

  test('derives non-EVM chain metadata from the CAIP-2 namespace', () => {
    expect(
      [
        Chain.from({
          id: 'solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp',
          name: 'Solana',
          slug: 'solana',
        }),
        Chain.from({
          id: 'tron:0x2b6653dc',
          name: 'Tron',
          slug: 'tron',
        }),
      ].map(metadata),
    ).toMatchInlineSnapshot(`
      [
        {
          "addressFormat": "base58",
          "aliases": [],
          "id": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
          "kind": "solana",
          "name": "Solana",
          "slug": "solana",
        },
        {
          "addressFormat": "base58check",
          "aliases": [],
          "id": "tron:0x2b6653dc",
          "kind": "tron",
          "name": "Tron",
          "slug": "tron",
        },
      ]
    `)
  })
})

describe('eip155Id', () => {
  test('returns the numeric EIP-155 chain id', () => {
    const chain = Chain.from({ id: 'eip155:8453', name: 'Base', slug: 'base' })
    expect(Chain.eip155Id(chain)).toBe('8453')
  })

  test('rejects non-EIP-155 chains', () => {
    const chain = Chain.from({ id: 'solana:mainnet', name: 'Solana', slug: 'solana' })
    expect(() => Chain.eip155Id(chain)).toThrowErrorMatchingInlineSnapshot(
      `[Funding.Chain.InvalidIdError]`,
    )
  })
})

function metadata(chain: Chain.Chain) {
  const { addressFormat, aliases, id, kind, name, slug } = chain
  return { addressFormat, aliases, id, kind, name, slug }
}