import gamedata.objects.base as base

class Slider(base.BaseObject):
    def __init__(self,x,y,game,w=100,h=64,folder="base"):
        super().__init__(x,y,game,w,h) # initialise l'objet de base avec les bons arguments

        self.posttext = " %"

        self.max = 100

        self.currentvalue = self.getvalue()

        self.bgsprite = self.gensprite(w,h,folder)

        self.sprite = game.pygame.transform.scale(game.sprite_lib["gui/slider/"+folder+"/circle.png"],(h,h))

        self.maxwidth = w-h
        self.rect = [self.getvalue()/self.max*(self.maxwidth)+self.baserect[0],self.baserect[1],h,h]

        self.sfx = game.sound_lib["sfx/click.wav"]

        self.dragged = False

    def change(self):
        print("Value : "+self.currentvalue)

    def getvalue(self):
        return self.game.globals["sfxvolume"]*100

    def postovalue(self):
        self.currentvalue = (self.rect[0]-self.baserect[0])/(self.maxwidth)*self.max

    def gensprite(self,w,h,folder):
        game = self.game
        left = game.sprite_lib["gui/slider/"+folder+"/left.png"]
        left = game.pygame.transform.scale(left,(round(h/left.get_height()*left.get_width()),h))
        right = game.sprite_lib["gui/slider/"+folder+"/right.png"]
        right = game.pygame.transform.scale(right,(round(h/right.get_height()*right.get_width()),h))

        middle = game.sprite_lib["gui/slider/"+folder+"/middle.png"]
        middle = game.pygame.transform.scale(middle,(w-left.get_width()-right.get_width(),h))

        surface = game.pygame.Surface((w,h),game.pygame.SRCALPHA)
        surface.blit(left,(0,0))
        surface.blit(middle,(left.get_width(),0))
        surface.blit(right,(left.get_width()+middle.get_width(),0))

        return surface


    def step(self):
        game = self.game
        if self.baserect.collidepoint(game.inputs["mouse"]["pos"]):
            if game.inputs["mouse"]["click"]>1:
                self.rect[0] = game.inputs["mouse"]["pos"][0]-self.rect[3]/2
                self.rect[0] = min(self.rect[0],self.baserect[0]+self.maxwidth)
                self.rect[0] = max(self.rect[0],self.baserect[0])
                self.dragged = True

                self.postovalue()

        if self.dragged and game.inputs["mouse"]["click"]==0:
            # Le slider a été laché
            self.change()
            self.dragged = False

    def draw(self):

        game = self.game

        game.window.blit(self.bgsprite,self.baserect[:2])
        game.window.blit(self.sprite,self.rect[:2])


        txt = game.fontfile.render(str(round(self.currentvalue))+self.posttext,False,[255]*3)
        px = self.baserect[0]+self.baserect[2]+50
        py = self.rect[1]+self.rect[3]/2-txt.get_height()/2
        game.window.blit(txt,[px,py])