#!/usr/bin/env python3
# -*- coding: UTF-8 -*-

from pycen import con_fon as con
from sqlalchemy import text
db = 'bd_cen'
host = '91.134.194.221'
port = '5432'
srv_name = 'fdw_bd-cen-38'
tab_name = 'cr_line_saisie_travaux'
sch_name = 'travaux'
view_name = 'travaux_ligne'
user = 'cen_admin'
pwd = '#CEN38@venir'

dict_cols = {
    'gid': 'serial4',
    'geom': 'public.geometry(linestring, 2154)',
    'id_site': 'varchar',
    'annee_trav': 'int4',
    'id_gestion': 'int4',
    'id_presta': 'int4',
    'etat_trav': 'varchar',
    'nom_presta': 'varchar',
    'date_debut': 'date',
    'duree_trav': 'float8',
    'nb_etp': 'float8',
    'nb_balle': 'int4',
    'val_mat': 'int4',
    'legende': 'varchar',
    'rmq': 'varchar',
    'prestation': 'int4',
    'long_m': 'float8',
    'crea_date': 'date',
    'date_update': 'date',
    'date_fin': 'date',
}

col_table = ','.join([' '.join([key,val]) for key, val in dict_cols.items()])
table = '''
DROP FOREIGN TABLE IF EXISTS {sch_name}.{tab_name} CASCADE;
CREATE FOREIGN TABLE IF NOT EXISTS {sch_name}.{tab_name} (
  {columns}
)
	SERVER "{fgn_server}"
	OPTIONS (schema_name '{sch_name}', table_name '{tab_name}');
'''.format(
  sch_name=sch_name, tab_name=tab_name, columns=col_table, fgn_server=srv_name
)

col_view = ','.join(dict_cols.keys())
view = '''
CREATE OR REPLACE VIEW {sch_name}.{v_name} AS
SELECT
  {columns}
FROM {sch_name}.{tab_name};

ALTER TABLE {sch_name}.{v_name} OWNER TO cen_admin;
GRANT ALL ON TABLE {sch_name}.{v_name} TO cen_admin;
GRANT SELECT ON TABLE {sch_name}.{v_name} TO grp_sig;
GRANT SELECT ON TABLE {sch_name}.{v_name} TO cen_user;
'''.format(
  sch_name=sch_name, tab_name=tab_name, v_name=view_name, columns=col_view
)

with con.begin() as cnx:
  cnx.execute(text(table))
  cnx.execute(text(view))