package tui

import tea "charm.land/bubbletea/v2"

// Bubble Tea v2 represents printable text and modifiers directly on Key.
// keyCode keeps the state handlers focused on semantic key classes while the
// application migrates from the v1 Type/Runes representation.
const (
	keyCtrlC rune = -10_001 - iota
	keyCtrlH
	keyCtrlV
	keyCtrlUp
	keyCtrlDown
)

func keyCode(msg tea.KeyPressMsg) rune {
	switch msg.String() {
	case "ctrl+c":
		return keyCtrlC
	case "ctrl+h":
		return keyCtrlH
	case "ctrl+v":
		return keyCtrlV
	case "ctrl+up":
		return keyCtrlUp
	case "ctrl+down":
		return keyCtrlDown
	}

	key := msg.Key()
	if key.Text != "" {
		return tea.KeyExtended
	}
	return key.Code
}

func keyTextRunes(msg tea.KeyPressMsg) []rune {
	return []rune(msg.Key().Text)
}