package UI

import (
	"fmt"
	"io/ioutil"
	"log"
	"strings"

	"github.com/veandco/go-sdl2/sdl"

	"github.com/cuu/gogame/image"
)

type IconPool struct {
	GameShellIconPath string
	Icons             map[string]*sdl.Surface
}

func NewIconPool() *IconPool {
	i := &IconPool{}
	i.GameShellIconPath = SkinMap("sysgo/gameshell/icons/")
	i.Icons = make(map[string]*sdl.Surface)
	return i
}

func (self *IconPool) Init() {
	files, err := ioutil.ReadDir(self.GameShellIconPath)
	if err != nil {
		log.Fatal(err)
		return
	}

	for _, f := range files {
		if f.IsDir() {
			//pass
		} else {
			if strings.HasSuffix(f.Name(), ".png") == true {
				keyname := strings.Split(f.Name(), ".")
				if len(keyname) > 1 {
					self.Icons[keyname[0]] = image.Load(self.GameShellIconPath + "/" + f.Name())
					
				}
			}
		}
	}
}

func (self *IconPool) GetImgSurf(keyname string) *sdl.Surface {
	if _, ok := self.Icons[keyname]; ok {
		return self.Icons[keyname]
	} else {
		icon_file := self.GameShellIconPath+"/"+keyname+".png"
		if IsAFile(icon_file) {
			self.Icons[keyname] = image.Load(icon_file)
			return self.Icons[keyname]
		}else {
			fmt.Println("IconPool GetImgSurf ", keyname, "  failed")
			return nil
		}
	}
}

func (self *IconPool) Width(keyname string) int {
	if _,ok := self.Icons[keyname]; ok {
		return int(self.Icons[keyname].W)
	}else {
		fmt.Println("IconPool lookup ", keyname, "  failed")
		return 0
	}
}

func (self *IconPool) Height(keyname string) int {
	if _,ok := self.Icons[keyname]; ok {
		return int(self.Icons[keyname].W)
	}else {
		fmt.Println("IconPool lookup ", keyname, "  failed")
		return 0
	}
}

var MyIconPool *IconPool

// = NewIconPool()