'''

    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("pda2suiviactivite")
logconf.start("pda2suiviactivite", 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", "strEnginLibelleLong"), "Attelage", "attelages.xml"),
            ("pdaorigine", ("lngorigine", "strorigine"), "Depart", "depart.xml"),
            ("pdaEquip", ("strEquipesId", "strEquipesLibelle"), "Equipe", "equipes.xml"),
            ("pdalocalisation", ("lngTiersId", "strTiersMnemo"), "Localisation", "localisation.xml"),
            ("pdaNatInterv", ("strCategorieInterventioinId", "strCategorieInterventioinLibelle"), "NatureRealisation", "naturesinterventions.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 = []

    fieldid, fieldnom = fieldmapping

    sql = "SELECT {id} as Id, {nom} as Nom FROM {tbl} ORDER BY {nom}".format(
                                                                            id=fieldid,
                                                                            nom=fieldnom,
                                                                            tbl=tablename
                                                                            )

    data = [record._asdict() for record in 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)

    if not filename[-4:] == ".xml":
        filename += ".xml"

    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")