package handlers

import (
	"slices"

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

type downNavigationHandler struct {
	keys        []string
	description string
}

func NewDownNavigationHandler() KeyMsgHandler {
	return downNavigationHandler{
		keys:        []string{"down", "j"},
		description: "Move down",
	}
}

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

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

func (h downNavigationHandler) Match(s state.State, msg tea.KeyMsg) bool {
	if s.Mode() != state.NavigationMode {
		return false
	}

	return slices.Contains(h.keys, msg.String())
}

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