package commandctrl

import (
	"context"
	tea "github.com/charmbracelet/bubbletea"
)

type commandCtlKeyType struct{}

var commandCtlKey = commandCtlKeyType{}

func PostMsg(ctx context.Context, msg tea.Msg) {
	cmdCtl, ok := ctx.Value(commandCtlKey).(*CommandController)
	if ok {
		cmdCtl.postMessage(msg)
	}
}

func SelectedItemIndex(ctx context.Context) (int, bool) {
	cmdCtl, ok := ctx.Value(commandCtlKey).(*CommandController)
	if !ok {
		return 0, false
	}

	return cmdCtl.uiStateProvider.SelectedItemIndex(), true
}

func SetSelectedItemIndex(ctx context.Context, newIdx int) tea.Msg {
	cmdCtl, ok := ctx.Value(commandCtlKey).(*CommandController)
	if !ok {
		return nil
	}

	return cmdCtl.uiStateProvider.SetSelectedItemIndex(newIdx)
}