package assets

import (
	"image"
	_ "image/jpeg"
	_ "image/png"
	"os"
	"path/filepath"

	"github.com/hajimehoshi/ebiten/v2"
)

type Manager struct {
	images map[string]*ebiten.Image
	misses map[string]bool
}

func NewManager() *Manager {
	return &Manager{
		images: map[string]*ebiten.Image{},
		misses: map[string]bool{},
	}
}

func (m *Manager) Image(path string) (*ebiten.Image, bool) {
	path = filepath.Clean(path)
	if img, ok := m.images[path]; ok {
		return img, true
	}
	if m.misses[path] {
		return nil, false
	}

	f, err := os.Open(path)
	if err != nil {
		m.misses[path] = true
		return nil, false
	}
	defer f.Close()

	src, _, err := image.Decode(f)
	if err != nil {
		m.misses[path] = true
		return nil, false
	}
	img := ebiten.NewImageFromImage(src)
	m.images[path] = img
	return img, true
}