import sdl2.ext
from sdl2 import *
import os
import time

Colors = {
    'red': sdl2.ext.Color(255, 0, 0, 255),
    'green': sdl2.ext.Color(0, 255, 0, 255),
    'blue': sdl2.ext.Color(0, 0, 255, 255),
    'white': sdl2.ext.Color(255, 255, 255, 255),
    'black': sdl2.ext.Color(0, 0, 0, 255),
}


class SDL2(object):
    __resources = None
    __w = 1024
    __h = 768
    __winName = "noname"
    __window = None
    __factory = None
    __renderer = None
    __srender = None

    def __init__(self, parent):
        os.environ['SDL_VIDEODRIVER'] = "x11"
        os.environ['DISPLAY'] = ":0"
        self.__resources = sdl2.ext.Resources(parent.getAppPath(), 'files')
        sdl2.ext.init()
        self.__createWindow()

    def __createWindow(self):
        self.__window = sdl2.ext.Window(title='{}'.format(self.__winName), size=(self.__w, self.__h), position=(0, 0),
                                        flags=(
                                                SDL_WINDOW_HIDDEN | SDL_WINDOW_FULLSCREEN | SDL_WINDOW_BORDERLESS | SDL_WINDOW_MAXIMIZED))
        self.__renderer = sdl2.ext.Renderer(self.__window)
        self.__factory = sdl2.ext.SpriteFactory(sdl2.ext.TEXTURE, renderer=self.__renderer)
        self.__srender = self.__factory.create_sprite_render_system(self.__window)
        self.__window.show()
        SDL_ShowCursor(SDL_DISABLE)

    def createFont(self, fontName, fontSize, fontColor):
        return sdl2.ext.FontManager(font_path=self.__resources.get_path(fontName), size=fontSize, color=fontColor)

    def WriteText(self, text, x, y, fontManager):
        imText = self.__factory.from_text(text, fontmanager=fontManager)
        self.__renderer.copy(imText, dstrect=(x, y, imText.size[0], imText.size[1]))

    def show(self):
        self.__window.show()

    def hide(self):
        self.__window.hide()

    def setColor(self, red, green, blue, alpha):
        self.__renderer.color = sdl2.ext.Color(red, green, blue, alpha)

    def fillColor(self, red, green, blue, alpha):
        self.setColor(red, green, blue, alpha)
        self.__renderer.clear()

    def fillbgColor(self, color, update=False):
        if color in Colors:
            self.__renderer.color = Colors[color]
            self.__renderer.clear()
            if update:
                self.update()

    def update(self):
        self.__renderer.present()

    def showImage(self, filename):
        im = self.__factory.from_image(self.__resources.get_path(filename))
        self.__srender.render(im)


class SDL2_Test(object):
    __sdl2 = None

    def __init__(self, parent):
        self.__sdl2 = SDL2(parent)

    def Clear(self):
        self.__sdl2.fillbgColor('black', True)

    def Paint(self, dcolor):
        self.Clear()
        self.__sdl2.fillbgColor(dcolor.lower(), True)


class SDL2_Message(object):
    __sdl2 = None
    __fontManager_w = None
    __fontManager_b = None

    def __init__(self, parent):
        self.__sdl2 = SDL2(parent)
        self.__fontManager_w = self.__sdl2.createFont('OpenSans-Regular.ttf', 24, Colors['white'])
        self.__fontManager_b = self.__sdl2.createFont('OpenSans-Regular.ttf', 24, Colors['black'])

    def Clear(self):
        self.__sdl2.fillbgColor('black', True)

    def Paint(self, dcolor):
        self.Clear()
        self.__sdl2.fillbgColor(dcolor.lower(), True)

    def __write_w(self, x, y, text):
        self.__sdl2.WriteText(text, x, y, self.__fontManager_w)

    def __write_b(self, x, y, text):
        self.__sdl2.WriteText(text, x, y, self.__fontManager_b)

    def setTestOK(self, board_uuid, qrdata):
        self.Paint('GREEN')
        self.__write_b(100, 50, 'TEST OK')
        self.__write_b(100, 100, 'uuid={}'.format(board_uuid))
        self.__write_b(100, 150, 'qr={}'.format(qrdata))
        self.__sdl2.update()

    def setTestERROR(self, error):
        self.Paint('RED')
        self.__write_w(100, 50, 'TEST FAILED')
        self.__write_w(100, 100, '{}'.format(error))
        self.__sdl2.update()