# SPDX-FileCopyrightText: Copyright (c) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: LicenseRef-NvidiaProprietary
#
# NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
# property and proprietary rights in and to this material, related
# documentation and any modifications thereto. Any use, reproduction,
# disclosure or distribution of this material and related documentation
# without an express license agreement from NVIDIA CORPORATION or
# its affiliates is strictly prohibited.

"""Entry point of the Jetson Power GUI application."""

import os
import sys
JETSON_POWER_GUI_ROOT = os.path.dirname(
    os.path.dirname(
        os.path.abspath(__file__)))
sys.path.insert(0, JETSON_POWER_GUI_ROOT)

from tkinter import PhotoImage, font as tkFont
from tkinter import Tk
from tkinter.ttk import Notebook

from jetsonpowergui.mainscreen import MainScreen
from jetsonpowergui.thermalpowermonitor import ThermalPowerMonitor
from jetsonpowergui.utils.common import update_period
from jetsonpowergui.utils.datacenter import data_center
from jetsonpowergui.utils.layoutmanager import RESOLUTION_RELATED_SIZES

def update_power_data(window, period):
    """Ask the data center to update the power data periodically."""

    data_center.update_data()
    window.after(period, update_power_data, window, period)

def main():
    # Create root window with default theme
    window = Tk(className="Jetson Power GUI")

    # Note: the logo is taken from:
    # l4t/prebuilts/bmp_blob/NVIDIA_Trademark_License_Addendum_SW.pdf
    nvlogo_path = "/usr/share/jetsonpowergui/logo/nv_logo.png"
    window.iconphoto(True, PhotoImage(file=nvlogo_path))
    window.title("Jetson Power GUI")

    # Modify default font size to fit the resolution
    default_font = tkFont.nametofont("TkDefaultFont")
    default_font.configure(size=RESOLUTION_RELATED_SIZES["font_size"])

    # Create tabs
    tab_control = Notebook(window)

    # Main Screen Tab
    main_screen_tab = MainScreen(tab_control)
    tab_control.add(main_screen_tab, text="Main")

    # Thermal and Power Monitor Tab
    thermal_power_monitor_tab = ThermalPowerMonitor(tab_control)
    tab_control.add(thermal_power_monitor_tab, text="Thermal / Power Monitor")

    # Manage layout of tabs
    tab_control.pack(expand=True, fill="both")

    # Set min size to tkinter internal calculated size
    window.update()
    window.minsize(window.winfo_width(), window.winfo_height())

    # Update power data periodically
    update_power_data(window, update_period)

    # Start the application
    window.mainloop()

if __name__ == "__main__":
    main()