'''

    Script d'export des données de configuration des applcations SuiviDesActivtes et SuiviActivitePC

    Les données d'origine sont issues de la base \\h2o\LOCAL\4-transversal\BDD\mdb\PDA\db_PDA.mdb

    Les fichiers résultats sont les fichiers *.xml du répertoire \\h2o\LOCAL\4-transversal\BDD\mdb\PDA\Fichiers_PDA\

'''
import logging

from lxml import builder  # @UnresolvedImport
from lxml import etree  # @UnresolvedImport
from path import Path

from core import logconf
from core.pde import PdaDb


logger = logging.getLogger("gf2factures")
logconf.start("gf2factures", logging.INFO)

logger.info("Initialization")

# Connect to db_PDA.mdb
pda_db = PdaDb(autocommit=True)

target_dir = Path(r"\\h2o\LOCAL\4-transversal\BDD\mdb\PDA\Fichiers_PDA")

# Mapping: (nom de la table, {correspondance champ : alias}, nom des noeuds, nom du fichier cible)
mapping = [
            ("pdaEngin", {"strEnginId": "Id", "strEnginLibelleLong": "Nom"}, "Attelage", "attelages.xml"),
            ("pdaorigine", {"lngorigine": "Id", "strorigine": "Nom"}, "Depart", "depart.xml"),
            ("pdaEquip", {"strEquipesId": "Id", "strEquipesLibelle": "Nom"}, "Equipe", "equipes.xml"),
            ("pdalocalisation", {"lngTiersId": "Id", "strTiersMnemo": "Nom"}, "Localisation", "localisation.xml"),
            ("pdaNatInterv", {"strCategorieInterventioinId": "Id", "strCategorieInterventioinLibelle": "Nom"}, "NatureRealisation", "naturesinterventions.xml"),
            ("pdaHeures", {"annee": "annee", "mois": "mois", "heures": "heures"}, "pdaHeures", "heures.xml"),
            ]

for tablename, fieldmapping, eltname, filename in mapping:

    maker = builder.ElementMaker(nsmap={'xsd': "http://www.w3.org/2001/XMLSchema",
                                        'xsi': "http://www.w3.org/2001/XMLSchema-instance"})
    nodes = []

    sql = "SELECT {} FROM {}".format(
                                    ",".join([("{} AS {}".format(name, alias) if name != alias else name) for name, alias in fieldmapping.items()]),
                                    tablename
                                    )

    data = pda_db.read_all(sql)

    for record in data:
        node = maker.__call__(eltname, *[maker.__call__(field, str(value)) for field, value in record.items()])
        nodes.append(node)

    root = maker.__call__("ArrayOf" + eltname, *nodes)

    with open(target_dir / filename, "wb") as f:
        f.write(etree.tostring(root, xml_declaration=True, encoding='utf-8', pretty_print=True))
    logger.info("> Exporte: {}".format(filename))

logger.info("Export termine")