import { describe, it, expect, beforeEach } from 'vitest'
import { mount } from '@vue/test-utils'
import uiPlugin from '@nuxt/ui/vue-plugin'
import AuthShell from '../AuthShell.vue'
import { resetAuthShellNavigation } from '@/composables/useAuthShellNavigation'

beforeEach(() => {
	resetAuthShellNavigation()
})

function mountShell(
	props: Record<string, unknown>,
	slots: Record<string, unknown> = {},
) {
	return mount(AuthShell, {
		props,
		slots,
		global: {
			plugins: [uiPlugin],
		},
	})
}

describe('AuthShell renders its title as the page heading and sets the document title', () => {
	it('renders an h1 containing the title and sets document.title', () => {
		const wrapper = mountShell({ title: 'Log in' })

		const heading = wrapper.find('h1')
		expect(heading.text()).toBe('Log in')
		expect(heading.attributes('tabindex')).toBe('-1')
		expect(document.title).toBe('Log in · RenewCMS')
	})
})

describe('AuthShell with an empty title renders no heading and leaves document.title untouched', () => {
	it('mounts directly with an empty title without rendering an h1 or touching document.title', () => {
		document.title = 'Existing title · RenewCMS'

		const wrapper = mountShell({ title: '' })

		expect(wrapper.find('h1').exists()).toBe(false)
		expect(document.title).toBe('Existing title · RenewCMS')
	})

	it('leaves document.title untouched and does not crash when the title changes to empty', async () => {
		const wrapper = mountShell({ title: 'Create the owner account' })

		expect(document.title).toBe('Create the owner account · RenewCMS')

		await wrapper.setProps({ title: '' })

		expect(wrapper.find('h1').exists()).toBe(false)
		expect(document.title).toBe('Create the owner account · RenewCMS')
	})
})

describe('AuthShell renders its notice and footer slots', () => {
	it('renders the notice slot as-is inside the card, after the title, and the footer slot outside the card', () => {
		const wrapper = mountShell(
			{ title: 'Log in' },
			{
				notice: '<span>Your session expired.</span>',
				footer: '<a href="/register/reset/request">Forgot password?</a>',
			},
		)

		const notice = wrapper.find('span')
		expect(notice.text()).toBe('Your session expired.')
		expect(
			wrapper.findAll('[data-slot="root"][data-orientation]').length,
		).toBe(1)

		const card = wrapper.find('[data-testid="auth-card"]')
		expect(card.element.contains(notice.element)).toBe(true)

		const html = wrapper.html()
		expect(html.indexOf('<h1')).toBeLessThan(
			html.indexOf('Your session expired.'),
		)

		const footerLink = wrapper.find('a[href="/register/reset/request"]')
		expect(footerLink.exists()).toBe(true)
		expect(footerLink.text()).toBe('Forgot password?')
		expect(card.element.contains(footerLink.element)).toBe(false)
	})
})