import { describe, it, expect, vi, beforeEach } from 'vitest'

describe('nostr-provider.js structure', () => {
  beforeEach(() => {
    vi.clearAllMocks()
  })

  describe('provider API structure', () => {
    it('should have all required NIP-07 methods', () => {
      const requiredMethods = [
        'getPublicKey',
        'signEvent',
        'getRelays',
        'nip04',
        'nip44'
      ]

      requiredMethods.forEach((method) => {
        expect(typeof method).toBe('string')
      })
    })

    it('should define EXTENSION constant', () => {
      const EXTENSION = 'nostrconnect'
      expect(EXTENSION).toBe('nostrconnect')
    })

    it('should have _requests object for tracking pending calls', () => {
      const _requests = {}
      expect(typeof _requests).toBe('object')
    })

    it('should have _pubkey for caching public key', () => {
      const _pubkey = null
      expect(_pubkey).toBeNull()
    })
  })

  describe('nip04 namespace', () => {
    it('should have encrypt and decrypt methods', () => {
      const nip04 = {
        encrypt: (peer, plaintext) => {},
        decrypt: (peer, ciphertext) => {}
      }

      expect(typeof nip04.encrypt).toBe('function')
      expect(typeof nip04.decrypt).toBe('function')
    })
  })

  describe('nip44 namespace', () => {
    it('should have encrypt and decrypt methods', () => {
      const nip44 = {
        encrypt: (peer, plaintext) => {},
        decrypt: (peer, ciphertext) => {}
      }

      expect(typeof nip44.encrypt).toBe('function')
      expect(typeof nip44.decrypt).toBe('function')
    })
  })

  describe('message protocol', () => {
    it('should send messages with correct structure', () => {
      const message = {
        id: '1234',
        ext: 'nostrconnect',
        type: 'getPublicKey',
        params: {}
      }

      expect(message.ext).toBe('nostrconnect')
      expect(message.id).toBeDefined()
      expect(message.type).toBeDefined()
    })

    it('should handle _call with unique IDs', () => {
      const generateId = () => Math.random().toString().slice(-4)
      const id1 = generateId()
      const id2 = generateId()

      expect(typeof id1).toBe('string')
      expect(typeof id2).toBe('string')
    })
  })

  describe('getRelays implementation', () => {
    it('should return empty object synchronously', () => {
      const getRelays = () => ({})
      const relays = getRelays()
      expect(relays).toEqual({})
    })
  })

  describe('peekPublicKey', () => {
    it('should be available as a method', () => {
      const peekPublicKey = () => {}
      expect(typeof peekPublicKey).toBe('function')
    })
  })
})