# pylint: disable=C0111,R0903

'''Displays CPU utilization across all CPUs.

Parameters:
    * cpu.warning : Warning threshold in % of CPU usage (defaults to 70%)
    * cpu.critical: Critical threshold in % of CPU usage (defaults to 80%)
    * cpu.format  : Format string (defaults to '{:.01f}%')
'''

import psutil

import core.module
import core.widget
import core.input

class Module(core.module.Module):
    def __init__(self, config):
        super().__init__(config, core.widget.Widget(self.utilization))
        self.widget().set('theme.minwidth', self._format.format(100.0-10e-20))
        self._utilization = psutil.cpu_percent(percpu=False)
        core.input.register(self, button=core.input.LEFT_MOUSE,
            cmd='gnome-system-monitor')

    @property
    def _format(self):
        return self.parameter('format', '{:.01f}%')

    def utilization(self, _):
        return self._format.format(self._utilization)

    def update(self):
        self._utilization = psutil.cpu_percent(percpu=False)

    def state(self, _):
        return self.threshold_state(self._utilization, 70, 80)

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