import re
from datetime import datetime
from grocy import RestService
from tabulate import tabulate
from os import path

class Chore(object):
    GET_BATTERIES = '/chores/get-current'
    GET_CHORE_BY_ID = '/get-object/chores/{0}'
    def __init__(self, **entries):
        self.__dict__.update(entries)
        self._init_rest_service()
        #self._set_default_table_formats()
        #if not hasattr('tablefmt', self):
        #    self.tablefmt = None
        #if not hasattr('colalign', self):
        #    self.colalign = None


    def _set_default_table_formats(self):
        if not hasattr('formats', self):
            self.tablefmt = None
            self.colalign = None
        elif not hasattr('table', self.formats):
                self.tableformat = None
        elif not hasattr('col', self.formats):
                self.colalign = None
            


    def _init_rest_service(self):
        if self.api.startswith == '/':
            self.api = self.api[1:]
        if self.api.endswith == '/':
            self.api = self.api[1:-1]
        self.rest_service = RestService(self.api, json=True)
        self.rest_service.addHeader('Content-Type', 'application/json')
        self.rest_service.addToken(self.token)


    def get_list(self):
        try:
            get_current_chores = self.rest_service.get(Chore.GET_CURRENT_CHORES)

            table_headers = ['Name', 'Due']
            table_entries = []
            for chore in get_current_chores:
                path = Chore.GET_CHORE_BY_ID.format(chore['chore_id'])
                chore_info = self.rest_service.get(path)
                if chore.get('next_estimated_execution_time') is None: 
                    due_date = 'None'
                elif re.match('2999',chore.get('next_estimated_execution_time')):
                    due_date = 'None'
                else:
                    due_date = datetime.strptime(chore.get('next_estimated_execution_time'), '%Y-%m-%d')

                table_entry = [chore_info.get('name'), due_date]
                table_entries.append(table_entry)

        except Exception as e:
            raise e
            # Generate stock overview table
        return tabulate(table_entries, headers=table_headers)