# pylint: disable=C0111,R0903

"""Displays the result of a notmuch count query
   default : unread emails which path do not contained 'Trash' (notmuch count 'tag:unread AND NOT path:/.*Trash.*/')

Parameters:
    * notmuch_count.query: notmuch count query to show result 

Errors:
    if the notmuch query failed, the shown value is  -1

Dependencies:
    notmuch (https://notmuchmail.org/)
"""

import os

import core.module
import core.widget

import util.cli

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

        self.__notmuch_count_query = self.parameter('query', 'tag:unread AND NOT path:/.*Trash.*/')

    def output(self, widget):
       return  self.__notmuch_count

    def state(self, widgets):
        if self.__notmuch_count == 0:
            return 'empty'
        return 'items'

    def update(self):
        try:
            self.__notmuch_count = util.cli.execute('notmuch count {}'.format(self.__notmuch_count_query)).strip()
        except Exception:
            self.__notmuch_count = 'n/a'

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