class DashboardRenderer:
    def __init__(self, display):
        self.display = display

    def render(self, view_model):
        vm = view_model.as_dict()

        self.display.clear()

        top = vm["top_bar"]
        self.display.text(0, 0, f'SOC {top["soc"]}')
        self.display.text(120, 0, top["comms"])
        self.display.text(260, 0, f'ALM {top["alarms"]}')

        battery = vm["battery"]
        self.display.text(0, 48, "Battery")
        self.display.text(
            0,
            72,
            f'{battery["voltage"]}  {battery["current"]}  {battery["runtime"]}',
        )

        fridge = vm["fridge"]
        self.display.text(0, 128, "Fridge")
        self.display.text(0, 152, f'Zone 1: {fridge["zone_1"]}')
        self.display.text(0, 176, f'Zone 2: {fridge["zone_2"]}')

        power = vm["power"]
        self.display.text(0, 232, "Power")
        self.display.text(
            0,
            256,
            f'Starlink {power["starlink"]}  Fridge {power["fridge"]}',
        )

        self.render_nav("dashboard")

    def render_nav(self, active_screen):
        labels = [
            ("dashboard", "Dash"),
            ("battery", "Bat"),
            ("temps", "Temps"),
            ("power", "Power"),
            ("system", "System"),
        ]

        x = 0
        for screen, label in labels:
            text = f"[{label}]" if screen == active_screen else label
            self.display.text(x, 440, text)
            x += 64