package input

import (
	"github.com/hajimehoshi/ebiten/v2"
	"sort"
	"strings"
)
import "gitlab.com/kbr4/9heroja/configuration"

type Keyboard struct {
}

func (k *Keyboard) DirectionFromKeys(keys []ebiten.Key) configuration.Direction {
	direction := ""
	for _, key := range keys {
		switch key {
		case ebiten.KeyUp:
			direction += "N"
		case ebiten.KeyRight:
			direction += "E"
		case ebiten.KeyLeft:
			direction += "W"
		case ebiten.KeyDown:
			direction += "S"
		}
	}

	// sort direction string
	s := strings.Split(direction, "")
	sort.Strings(s)
	sortedDirection := strings.Join(s, "")

	switch sortedDirection {
	case "N":
		return configuration.North
	case "E":
		return configuration.East
	case "S":
		return configuration.South
	case "W":
		return configuration.West
	case "EN":
		return configuration.NorthEast
	case "ES":
		return configuration.SouthEast
	case "SW":
		return configuration.SouthWest
	case "NW":
		return configuration.NorthWest
	default:
		return configuration.PreviouslyHeld
	}
}