package tui

import "strings"

func GetMenu(
	title string,
	text string,
	items ...string, // key -> value pairs
) string {
	keys := map[string]bool{}
	keyWidth := 0
	for i := 0; i < len(items); i += 2 {
		key := items[i]
		keyLen := len([]rune(key))
		keys[items[i]] = true
		if keyLen > keyWidth {
			keyWidth = keyLen
		}
	}

	drawMenu := func() {
		Clear()
		PrintBoxed(title)
		PrintString("┆")
		if text != "" {
			PrintTextWithPrefix("│ ", text)
			PrintString("│")
		}

		w, _ := termSize()
		valWidth := w - keyWidth - 5

		for i := 0; i < len(items); i += 2 {
			key := items[i]
			keyLen := len([]rune(key))
			text := items[i+1]

			lines, _ := wrapText(text, valWidth)
			indent := keyWidth - keyLen

			// First line.
			sIndent := strings.Repeat(" ", indent)
			PrintString("│ %s%s  %s", key, sIndent, lines[0])

			// Additional lines.
			for _, line := range lines[1:] {
				sIndent := strings.Repeat(" ", keyWidth)
				PrintString("│ %s  %s", sIndent, line)
			}
		}
		PrintString("│")
	}

	for {
		drawMenu()
		in := GetString("╰─┄ ")
		if _, ok := keys[in]; ok {
			return in
		}
	}
}