import { describe, expect, it } from 'vitest'
import {
  isTerminalCopyShortcut,
  isTerminalPasteShortcut,
  isTerminalSplitShortcut,
} from '../../src/utils/terminalShortcuts'

function keyEvent(key: string, init: KeyboardEventInit = {}): KeyboardEvent {
  return new KeyboardEvent('keydown', { key, ...init })
}

describe('terminal shortcuts', () => {
  it('uses Cmd+C and Cmd+V on macOS', () => {
    expect(isTerminalCopyShortcut(keyEvent('c', { metaKey: true }))).toBe(true)
    expect(isTerminalPasteShortcut(keyEvent('v', { metaKey: true }))).toBe(true)
  })

  it('uses Ctrl+Shift+C and Ctrl+Shift+V outside macOS', () => {
    expect(isTerminalCopyShortcut(keyEvent('C', { ctrlKey: true, shiftKey: true }))).toBe(true)
    expect(isTerminalPasteShortcut(keyEvent('V', { ctrlKey: true, shiftKey: true }))).toBe(true)
  })

  it('uses Cmd+D for splitting', () => {
    expect(isTerminalSplitShortcut(keyEvent('d', { metaKey: true }))).toBe(true)
  })

  it('does not consume Ctrl+D, which must reach the remote shell as EOF', () => {
    expect(isTerminalSplitShortcut(keyEvent('d', { ctrlKey: true }))).toBe(false)
  })
})