// Copyright (c) 2026 Storm Dragon
// SPDX-License-Identifier: GPL-3.0-or-later

package presentation

import "unicode"

// Phonetic_letter matches Python Fenrir's alphabet, including its capitalization.
// Other runes use the active punctuation profile's character naming instead.
func Phonetic_letter(char rune) string {
	words := [...]string{"alpha", "bravo", "charlie", "delta", "echo", "foxtrot", "golf", "hotel", "india", "juliet", "kilo", "lima", "mike", "november", "oscar", "papa", "quebec", "romeo", "sierra", "tango", "uniform", "victor", "whisky", "x ray", "yankee", "zulu"}
	upper := unicode.ToUpper(char)
	if upper < 'A' || upper > 'Z' {
		return ""
	}
	word := words[upper-'A']
	if unicode.IsUpper(char) {
		word = string(unicode.ToUpper(rune(word[0]))) + word[1:]
	}
	return word
}