# SPDX-FileCopyrightText: Copyright (c) 2022 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.

from tkinter import StringVar
from tkinter.ttk import Button, Label, LabelFrame

from ...utils.common import PAttrs, PNames
from ...utils.datacenter import rail_reset_avg_power
from ...utils.layoutmanager import fill_parent, grid_span, padding
from ...utils.subjectobserver import Observer

class PowerFrame(LabelFrame, Observer):
    def __init__(self, master=None, **kwargs):
        super().__init__(master, text="Power Monitor", **kwargs)
        self.create_widgets()
        self.manage_layout()
        fill_parent(self)

    def create_widgets(self):
        self.rail_names = PNames.RAIL_NAMES
        self.rail_nums = len(self.rail_names)
        self.rail_l = [None] * self.rail_nums
        self.inst_l = [None] * self.rail_nums
        self.avg_l = [None] * self.rail_nums
        self.inst_v = [None] * self.rail_nums
        self.avg_v = [None] * self.rail_nums
        self.name_hl = Label(self, text="Name")
        self.inst_hl = Label(self, text="Inst (mW)")
        self.avg_hl = Label(self, text="Avg (mW)")

        for i in range(self.rail_nums):
            self.inst_v[i] = StringVar()
            self.avg_v[i] = StringVar()
            self.rail_l[i] = Label(self, text=self.rail_names[i])
            self.inst_l[i] = Label(self, textvariable=self.inst_v[i])
            self.avg_l[i] = Label(self, textvariable=self.avg_v[i])

        self.reset_b = Button(self,
                              text="reset avg",
                              command=self.reset_all_avg_power)

    def manage_layout(self):
        self.name_hl.grid(row=0, column=0, **grid_span, **padding)
        self.inst_hl.grid(row=0, column=1, **grid_span, **padding)
        self.avg_hl.grid(row=0, column=2, **grid_span, **padding)

        for i in range(self.rail_nums):
            self.rail_l[i].grid(row=1 + i, column=0, **grid_span, **padding)
            self.inst_l[i].grid(row=1 + i, column=1, **grid_span, **padding)
            self.avg_l[i].grid(row=1 + i, column=2, **grid_span, **padding)

        self.reset_b.grid(row=1 + self.rail_nums,
                          column=2,
                          rowspan=1,
                          columnspan=1,
                          **padding)

    def reset_all_avg_power(self):
        for i in range(self.rail_nums):
            rail_reset_avg_power(self.rail_names[i])

    def update_data(self, data):
        for i in range(self.rail_nums):
            rail_name = self.rail_names[i]
            self.inst_v[i].set(f"{data[(rail_name, PAttrs.IN_POWER)]} mW")
            self.avg_v[i].set(f"{data[(rail_name, PAttrs.AVG_POWER)]} mW")