import { describe, it, expect, vi } from 'vitest'
import { render, screen, fireEvent } from '@testing-library/svelte'
import ConfirmModal from './ConfirmModal.svelte'

describe('ConfirmModal', () => {
  it('renders nothing when open is false', () => {
    render(ConfirmModal, {
      props: { open: false, title: 'Confirm', message: 'Are you sure?' },
    })
    expect(screen.queryByRole('dialog')).not.toBeInTheDocument()
  })

  it('renders title and message when open', () => {
    render(ConfirmModal, {
      props: {
        open: true,
        title: 'Delete deck',
        message: 'This cannot be undone.',
      },
    })
    expect(screen.getByRole('dialog')).toBeInTheDocument()
    expect(screen.getByText('Delete deck')).toBeInTheDocument()
    expect(screen.getByText('This cannot be undone.')).toBeInTheDocument()
  })

  it('calls onConfirm when Confirm is clicked', async () => {
    const onConfirm = vi.fn()
    render(ConfirmModal, {
      props: {
        open: true,
        title: 'Confirm',
        message: 'Proceed?',
        confirmLabel: 'Yes',
        onConfirm,
      },
    })
    await fireEvent.click(screen.getByRole('button', { name: 'Yes' }))
    expect(onConfirm).toHaveBeenCalledTimes(1)
  })

  it('calls onCancel when Cancel is clicked', async () => {
    const onCancel = vi.fn()
    render(ConfirmModal, {
      props: {
        open: true,
        title: 'Confirm',
        message: 'Proceed?',
        cancelLabel: 'No',
        onCancel,
      },
    })
    await fireEvent.click(screen.getByRole('button', { name: 'No' }))
    expect(onCancel).toHaveBeenCalledTimes(1)
  })

  it('calls onCancel on Escape key', async () => {
    const onCancel = vi.fn()
    render(ConfirmModal, {
      props: { open: true, title: 'Confirm', message: 'Proceed?', onCancel },
    })
    const dialog = screen.getByRole('dialog')
    await fireEvent.keyDown(dialog, { key: 'Escape' })
    expect(onCancel).toHaveBeenCalledTimes(1)
  })

  it('calls onCancel when backdrop is clicked', async () => {
    const onCancel = vi.fn()
    const { container } = render(ConfirmModal, {
      props: { open: true, title: 'Confirm', message: 'Proceed?', onCancel },
    })
    const backdrop = container.querySelector('.modal-backdrop')
    expect(backdrop).toBeTruthy()
    await fireEvent.click(backdrop)
    expect(onCancel).toHaveBeenCalledTimes(1)
  })
})