/**
 * @jest-environment jsdom
 */

import { isPortalHostedUrl } from './shared/rpc/auth'
import { buildDefaultRpcConfig, DEFAULT_RPC_HOST } from './shared/rpc/defaults'
import Portal from '.'

// ─── isPortalHostedUrl ───────────────────────────────────────────────────────

describe('isPortalHostedUrl', () => {
  describe('trusted Portal domains', () => {
    const trusted = [
      'https://web.portalhq.io/rpc/v1/eip155/1',
      'https://portalhq.io',
      'https://staging.portalhq.io/rpc/v1/eip155/1',
      'https://x.portalhq.io',
      'https://web.portalhq.dev/rpc/v1/eip155/1',
      'https://portalhq.dev',
      'https://sub.portalhq.dev',
      'https://portalhq-passkey.io',
      'https://sub.portalhq-passkey.io',
      'https://portalhq-passkey.dev',
      'https://sub.portalhq-passkey.dev',
    ]

    for (const url of trusted) {
      it(`returns true for ${url}`, () => {
        expect(isPortalHostedUrl(url)).toBe(true)
      })
    }
  })

  describe('untrusted / third-party domains', () => {
    const untrusted = [
      'https://mainnet.infura.io/v3/KEY',
      'https://eth-mainnet.alchemyapi.io/v2/KEY',
      'https://rpc.ankr.com/eth',
      'https://notportalhq.io/rpc/v1/eip155/1',
      'https://portalhq.io.evil.com/rpc',      // subdomain spoofing
      'https://evil-portalhq.io/rpc',           // prefix attack
      'https://portalhq.iomalicious.com',       // suffix attack
      'http://localhost:8545',                  // localhost — not trusted here (iframe-only)
      'http://127.0.0.1:8545',
    ]

    for (const url of untrusted) {
      it(`returns false for ${url}`, () => {
        expect(isPortalHostedUrl(url)).toBe(false)
      })
    }
  })

  it('returns false for an invalid URL', () => {
    expect(isPortalHostedUrl('not-a-url')).toBe(false)
    expect(isPortalHostedUrl('')).toBe(false)
  })

  it('handles trailing dot in hostname (valid DNS normalisation)', () => {
    // 'web.portalhq.io.' is technically valid DNS — must still be trusted
    expect(isPortalHostedUrl('https://web.portalhq.io./rpc/v1/eip155/1')).toBe(true)
  })
})

// ─── buildDefaultRpcConfig ───────────────────────────────────────────────────

describe('buildDefaultRpcConfig', () => {
  it('returns exactly 13 entries', () => {
    expect(Object.keys(buildDefaultRpcConfig(DEFAULT_RPC_HOST))).toHaveLength(13)
  })

  it('includes all 11 expected EVM chains', () => {
    const cfg = buildDefaultRpcConfig(DEFAULT_RPC_HOST)
    const evmChains = [
      'eip155:1',
      'eip155:11155111',
      'eip155:137',
      'eip155:80002',
      'eip155:8453',
      'eip155:84532',
      'eip155:143',
      'eip155:10143',
      'eip155:10',
      'eip155:42161',
      'eip155:43114',
    ]
    for (const chain of evmChains) {
      expect(cfg).toHaveProperty(chain)
    }
  })

  it('includes both Solana chains', () => {
    const cfg = buildDefaultRpcConfig(DEFAULT_RPC_HOST)
    expect(cfg).toHaveProperty('solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp')
    expect(cfg).toHaveProperty('solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1')
  })

  it('does NOT include deprecated Polygon Mumbai (eip155:80001)', () => {
    expect(buildDefaultRpcConfig(DEFAULT_RPC_HOST)).not.toHaveProperty('eip155:80001')
  })

  it('every URL follows the template https://{rpcHost}/rpc/v1/{namespace}/{reference}', () => {
    const cfg = buildDefaultRpcConfig(DEFAULT_RPC_HOST)
    for (const [chainId, url] of Object.entries(cfg)) {
      const [namespace, reference] = chainId.split(':')
      expect(url).toBe(`https://${DEFAULT_RPC_HOST}/rpc/v1/${namespace}/${reference}`)
    }
  })

  it('uses the production host by default', () => {
    const cfg = buildDefaultRpcConfig()
    expect(cfg['eip155:1']).toBe('https://web.portalhq.io/rpc/v1/eip155/1')
  })

  it('uses a custom rpcHost when provided', () => {
    const cfg = buildDefaultRpcConfig('web.portalhq.dev')
    for (const url of Object.values(cfg)) {
      expect(url).toContain('https://web.portalhq.dev/rpc/v1/')
    }
    expect(cfg['eip155:1']).toBe('https://web.portalhq.dev/rpc/v1/eip155/1')
  })

  it('does not contain the production host when a custom host is used', () => {
    const cfg = buildDefaultRpcConfig('web.portalhq.dev')
    for (const url of Object.values(cfg)) {
      expect(url).not.toContain(DEFAULT_RPC_HOST)
    }
  })
})

// ─── Portal constructor — rpcConfig resolution ───────────────────────────────

describe('Portal constructor — rpcConfig resolution', () => {
  it('generates 13 default chains when rpcConfig is omitted', () => {
    const portal = new Portal({ apiKey: 'test-key' })
    expect(Object.keys(portal.rpcConfig)).toHaveLength(13)
  })

  it('uses web.portalhq.io gateway URLs when rpcConfig is omitted', () => {
    const portal = new Portal({ apiKey: 'test-key' })
    expect(portal.rpcConfig['eip155:1']).toBe(
      'https://web.portalhq.io/rpc/v1/eip155/1',
    )
  })

  it('treats {} identically to omitting rpcConfig', () => {
    const portalA = new Portal({ apiKey: 'test-key' })
    const portalB = new Portal({ apiKey: 'test-key', rpcConfig: {} })
    expect(portalB.rpcConfig).toEqual(portalA.rpcConfig)
  })

  it('uses an explicit non-empty rpcConfig verbatim (no merge with defaults)', () => {
    const custom = { 'eip155:1': 'https://my-node.example.com/eth' }
    const portal = new Portal({ apiKey: 'test-key', rpcConfig: custom })
    expect(portal.rpcConfig).toEqual(custom)
    expect(Object.keys(portal.rpcConfig)).toHaveLength(1)
  })

  it('does not inject defaults alongside an explicit config', () => {
    const custom = { 'eip155:1': 'https://my-node.example.com/eth' }
    const portal = new Portal({ apiKey: 'test-key', rpcConfig: custom })
    expect(portal.rpcConfig['eip155:137']).toBeUndefined()
  })

  it('uses a custom gatewayHost in the generated default URLs', () => {
    const portal = new Portal({ apiKey: 'test-key', gatewayHost: 'web.portalhq.dev' })
    expect(portal.rpcConfig['eip155:1']).toBe(
      'https://web.portalhq.dev/rpc/v1/eip155/1',
    )
  })

  it('all default URLs contain the custom gatewayHost', () => {
    const portal = new Portal({ apiKey: 'test-key', gatewayHost: 'web.portalhq.dev' })
    for (const url of Object.values(portal.rpcConfig)) {
      expect(url).toContain('https://web.portalhq.dev/rpc/v1/')
    }
  })

  it('getRpcUrl returns the default URL for a standard chain', () => {
    const portal = new Portal({ apiKey: 'test-key' })
    expect(portal.getRpcUrl('eip155:1')).toBe(
      'https://web.portalhq.io/rpc/v1/eip155/1',
    )
  })

  it('getRpcUrl throws for a chain not in the config', () => {
    const portal = new Portal({ apiKey: 'test-key' })
    expect(() => portal.getRpcUrl('eip155:99999')).toThrow()
  })
})