package handlers

import (
	"slices"

	"github.com/StevanFreeborn/term-tier/internal/state"
	tea "github.com/charmbracelet/bubbletea"
)

type helpHandler struct {
	keys        []string
	description string
}

func NewHelpHandler() KeyMsgHandler {
	return helpHandler{
		keys:        []string{"?"},
		description: "Toggle help menu",
	}
}

func (h helpHandler) KeysHandled() []string {
	return h.keys
}

func (h helpHandler) Description() string {
	return h.description
}

func (h helpHandler) Match(s state.State, msg tea.KeyMsg) bool {
	return s.Mode() == state.NavigationMode && slices.Contains(h.keys, msg.String()) ||
		s.Mode() == state.HelpMode && slices.Contains(h.keys, msg.String())
}

func (h helpHandler) Handle(s state.State, msg tea.KeyMsg) tea.Cmd {
	s.ToggleHelp()
	return nil
}