# -*- coding: utf-8 -*-

"""Displays GPU name, temperature and memory usage.

Parameters:
   * nvidiagpu.format: Format string (defaults to '{name}: {temp}°C %{usedmem}/{totalmem} MiB')
     Available values are: {name} {temp} {mem_used} {mem_total} {fanspeed} {clock_gpu} {clock_mem} {gpu_usage_pct} {mem_usage_pct} {mem_io_pct}

Requires nvidia-smi

contributed by `RileyRedpath <https://github.com/RileyRedpath>`_ - many thanks!

Note: mem_io_pct is (from `man nvidia-smi`):
> Percent of time over the past sample period during which global (device)
> memory was being read or written.
"""

import core.module
import core.widget

import util.cli
import util.format


class Module(core.module.Module):
    def __init__(self, config, theme):
        super().__init__(config, theme, core.widget.Widget(self.utilization))

        self.__utilization = "Not found: 0 0/0"

    def utilization(self, widget):
        return self.__utilization

    def hidden(self):
        return "not found" in self.__utilization

    def update(self):
        sp = util.cli.execute("nvidia-smi -q", ignore_errors=True)

        title = ""
        usedMem = ""
        totalMem = ""
        temp = ""
        name = "not found"
        clockMem = ""
        clockGpu = ""
        fanspeed = ""
        gpuUsagePct = ""
        memIoPct = ""
        memUsage = "not found"
        for item in sp.split("\n"):
            try:
                key, val = item.split(":")
                key, val = key.strip(), val.strip()
                if title == "Clocks":
                    if key == "Graphics":
                        clockGpu = val.split(" ")[0]
                    elif key == "Memory":
                        clockMem = val.split(" ")[0]
                if title == "FB Memory Usage":
                    if key == "Total":
                        totalMem = val.split(" ")[0]
                    elif key == "Used":
                        usedMem = val.split(" ")[0]
                elif key == "GPU Current Temp":
                    temp = val.split(" ")[0]
                elif key == "Product Name":
                    name = val
                elif key == "Fan Speed":
                    fanspeed = val.split(" ")[0]
                elif title == "Utilization":
                    if key == "Gpu":
                        gpuUsagePct = val.split(" ")[0]
                    elif key == "Memory":
                        memIoPct = val.split(" ")[0]

            except:
                title = item.strip()

        if totalMem and usedMem:
            memUsage = int(int(usedMem) / int(totalMem) * 100)

        str_format = self.parameter(
            "format", "{name}: {temp}°C {mem_used}/{mem_total} MiB"
        )
        self.__utilization = str_format.format(
            name=name,
            temp=temp,
            mem_used=usedMem,
            mem_total=totalMem,
            clock_gpu=clockGpu,
            clock_mem=clockMem,
            fanspeed=fanspeed,
            gpu_usage_pct=gpuUsagePct,
            mem_io_pct=memIoPct,
            mem_usage_pct=memUsage,
        )


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