import { describe, it, expect } from 'vitest'
import { mountSuspended, registerEndpoint } from '@nuxt/test-utils/runtime'
import { defineComponent, h } from 'vue'
import { useLiveSessions } from '../../app/composables/useLiveSessions.js'

describe('useLiveSessions', () => {
  it('fetches sessions from API and returns sessions ref', async () => {
    registerEndpoint('/api/live', () => [
      { id: 's1', label: 'Live 1', hasStream: true, lat: 37, lng: -122 },
    ])
    registerEndpoint('/api/me', () => ({ id: '1', identifier: 'u', role: 'member' }), { method: 'GET' })
    const TestComponent = defineComponent({
      setup() {
        const { sessions } = useLiveSessions()
        return () => h('div', { 'data-sessions': JSON.stringify(sessions.value) })
      },
    })
    const wrapper = await mountSuspended(TestComponent)
    await new Promise(r => setTimeout(r, 100))
    expect(wrapper.find('[data-sessions]').exists()).toBe(true)
  })

  it('returns empty array when fetch fails', async () => {
    registerEndpoint('/api/live', () => {
      throw new Error('fetch failed')
    })
    registerEndpoint('/api/me', () => ({ id: '1', identifier: 'u', role: 'member' }), { method: 'GET' })
    const TestComponent = defineComponent({
      setup() {
        const { sessions } = useLiveSessions()
        return () => h('div', { 'data-sessions': JSON.stringify(sessions.value) })
      },
    })
    const wrapper = await mountSuspended(TestComponent)
    await new Promise(r => setTimeout(r, 150))
    const el = wrapper.find('[data-sessions]')
    expect(el.exists()).toBe(true)
    expect(JSON.parse(el.attributes('data-sessions'))).toEqual([])
  })

  it('startPolling and stopPolling manage interval', async () => {
    registerEndpoint('/api/live', () => [])
    registerEndpoint('/api/me', () => ({ id: '1', identifier: 'u', role: 'member' }), { method: 'GET' })
    const TestComponent = defineComponent({
      setup() {
        const { startPolling, stopPolling } = useLiveSessions()
        return () => h('div', {
          onClick: () => {
            startPolling()
            startPolling()
            stopPolling()
          },
        })
      },
    })
    const wrapper = await mountSuspended(TestComponent)
    await wrapper.trigger('click')
    expect(wrapper.exists()).toBe(true)
  })
})