#!/usr/env/bin python3

from django.core.management.base import BaseCommand
from django.utils import timezone
import psycopg2 as  pg
import psycopg2.extras as pge
import json


class Command(BaseCommand):
    """
    Command for importing the database of NK15.
    Need to be run by a user with a registered role in postgres for the database nk15. 
    """
    help = 'Displays current time'

    def add_arguments(self,parser):
        parser.add_argument("--map",type=str,help="json mapping of table header to field models")


    def handle(self, *args, **options):
        map_file= options.get("map",None)
        with open(map_file,'r') as f:
            map_dict = json.load(f);
        
        conn = pg.connect(database="nk15",user="nk15_user")
        cur = conn.cursor(cursor_factory = pge.DictCursor)

        #  Start with comptes table.
        cur.execute("SELECT * FROM comptes ORDER BY -idbde LIMIT 5")
        old_fields = [d[0] for d in cur.description]


        print(type(old_fields))
        for row in cur:
            for old_field in old_fields:

                print(old_field,row[old_field])