import { describe, it, expect, vi } from 'vitest'
import { render, screen } from '@testing-library/react'
import userEvent from '@testing-library/user-event'
import { InlineEdit } from './InlineEdit'

describe('InlineEdit', () => {
  it('renders value in display mode', () => {
    render(<InlineEdit value="Alice" onSave={vi.fn()} />)
    expect(screen.getByText('Alice')).toBeInTheDocument()
  })

  it('shows placeholder when value is empty', () => {
    render(<InlineEdit value="" onSave={vi.fn()} placeholder="Enter name" />)
    expect(screen.getByText('Enter name')).toBeInTheDocument()
  })

  it('enters edit mode on click', async () => {
    const user = userEvent.setup()
    render(<InlineEdit value="Alice" onSave={vi.fn()} />)
    await user.click(screen.getByText('Alice'))
    expect(screen.getByRole('textbox')).toHaveValue('Alice')
  })

  it('saves on Enter', async () => {
    const onSave = vi.fn()
    const user = userEvent.setup()
    render(<InlineEdit value="Alice" onSave={onSave} />)
    await user.click(screen.getByText('Alice'))
    await user.clear(screen.getByRole('textbox'))
    await user.type(screen.getByRole('textbox'), 'Bob')
    await user.keyboard('{Enter}')
    expect(onSave).toHaveBeenCalledWith('Bob')
  })

  it('cancels on Escape', async () => {
    const onSave = vi.fn()
    const user = userEvent.setup()
    render(<InlineEdit value="Alice" onSave={onSave} />)
    await user.click(screen.getByText('Alice'))
    await user.clear(screen.getByRole('textbox'))
    await user.type(screen.getByRole('textbox'), 'Bob')
    await user.keyboard('{Escape}')
    expect(onSave).not.toHaveBeenCalled()
    expect(screen.getByText('Alice')).toBeInTheDocument()
  })

  it('cancels on blur', async () => {
    const onSave = vi.fn()
    const user = userEvent.setup()
    render(<InlineEdit value="Alice" onSave={onSave} />)
    await user.click(screen.getByText('Alice'))
    await user.clear(screen.getByRole('textbox'))
    await user.type(screen.getByRole('textbox'), 'Bob')
    await user.tab()
    expect(onSave).not.toHaveBeenCalled()
  })

  it('does not enter edit mode when disabled', async () => {
    const user = userEvent.setup()
    render(<InlineEdit value="Alice" onSave={vi.fn()} disabled />)
    await user.click(screen.getByText('Alice'))
    expect(screen.queryByRole('textbox')).not.toBeInTheDocument()
  })

  it('shows edit icon button', () => {
    render(<InlineEdit value="Alice" onSave={vi.fn()} />)
    expect(screen.getByRole('button', { name: 'Edit' })).toBeInTheDocument()
  })

  it('enters edit mode when edit button is clicked', async () => {
    const user = userEvent.setup()
    render(<InlineEdit value="Alice" onSave={vi.fn()} />)
    await user.click(screen.getByRole('button', { name: 'Edit' }))
    expect(screen.getByRole('textbox')).toHaveValue('Alice')
  })
})
