# pylint: disable=C0111,R0903

"""Displays information about the current song in Google Play music player.

Requires the following executable:
    * gpmdp-remote
"""

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

import util.cli

class Module(core.module.Module):
    def __init__(self, config):
        widgets = [
            core.widget.Widget(name='gpmdp.prev'),
            core.widget.Widget(name='gpmdp.main', full_text=self.description),
            core.widget.Widget(name='gpmdp.next'),
        ]
        super().__init__(config, widgets)

        core.input.register(widgets[0], button=core.input.LEFT_MOUSE,
            cmd='playerctl previous')
        core.input.register(widgets[1], button=core.input.LEFT_MOUSE,
             cmd='playerctl play-pause')
        core.input.register(widgets[2], button=core.input.LEFT_MOUSE,
             cmd='playerctl next')

        self.__status = None
        self.__tags = None

    def description(self, widget):
        return self.__tags if self.__tags else 'n/a'

    def update(self):
        self.__load_song()

    def state(self, widget):
        if widget.name() == 'gpmdp.prev':
            return 'prev'
        if widget.name() == 'gpmdp.next':
            return 'next'
        return self.__status

    def __load_song(self):
        info = util.cli.execute('gpmdp-remote current', ignore_errors=True)
        status = util.cli.execute('gpmdp-remote status', ignore_errors=True)
        self.__status = status.split('\n')[0].lower()
        self.__tags = info.split('\n')[0]

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