from datetime import datetime
from os.path import exists

from ipe_fetcher.model import AreaCoordinates, Building, FAIEligibilityStatus
from ipe_fetcher.sqlite_connector.cursor import getCursorWithSpatialite, getBasicCursor

AXIONE_ETAT_DEPLOYE = "DEPLOYE"
AXIONE_ETAT_DEPLOYE_NON_COMMANDABLE = "DEPLOYE MAIS NON COMMANDABLE"
AXIONE_ETAT_DEPLOIEMENT = "EN COURS DE DEPLOIEMENT"
AXIONE_ETAT_ABANDONNE = "ABANDONNE"
AXIONE_ETAT_CIBLE = "CIBLE"
AXIONE_ETAT_SIGNE = "SIGNE"
AXIONE_ETAT_RAD_DEPLOIEMENT = "RAD EN COURS DE DEPLOIEMENT"
AXIONE_ETAT_RACCORDABLE_DEMANDE = "RACCORDABLE DEMANDE"

AXIONE_REFIMM_TABLE_NAME = "refimm"

AXIONE_MAX_AREA = 0.08


class Axione:
    def __init__(self, db_axione_ipe_path: str, db_name: str):
        self.db_axione_ipe_path = db_axione_ipe_path
        self.db_name = db_name
        # Check at least that the file exists
        if not exists(self.db_axione_ipe_path):
            raise ValueError(f"File {self.db_axione_ipe_path} does not exist")

        try:
            cur = getBasicCursor(self.db_axione_ipe_path)
        except Exception as err:
            print("Error while connecting to DB: ", err)
            raise "Could not connect to axione DB"
        cur.execute(f''' SELECT count(name) FROM sqlite_master WHERE type='table' AND name='{AXIONE_REFIMM_TABLE_NAME}' ''')
        self.db_name_refimm = db_name
        if cur.fetchone()[0] == 1:
            self.db_name_refimm = AXIONE_REFIMM_TABLE_NAME

    @staticmethod
    def _get_etat_priority(etat_imm):
        if etat_imm in AXIONE_ETAT_DEPLOYE:
            return 0
        elif etat_imm == AXIONE_ETAT_DEPLOYE_NON_COMMANDABLE:
            return 1
        elif etat_imm == AXIONE_ETAT_DEPLOIEMENT:
            return 2
        elif etat_imm == AXIONE_ETAT_RAD_DEPLOIEMENT:
            return 3
        elif etat_imm != AXIONE_ETAT_ABANDONNE:
            return 20
        else:
            return 21


    def getAreaBuildings(
        self, areaCoordinates: AreaCoordinates, existing_buildings: dict
    ) -> dict:
        cur = None
        # Try to get cursor on Axone database
        try:
            cur = getCursorWithSpatialite(self.db_axione_ipe_path)
        except Exception as err:
            print("Error while connecting to DB: ", err)
            raise "Could not get Axione data"
        # Let's first see how big is the area we're about to query.
        # If it's too big, abort the request to prevent a server DOS.
        cur.execute(
            """
          SELECT Area(BuildMBR(:swx,:swy,:nex,:ney,4326))
        """,
            areaCoordinates,
        )
        req_area = cur.fetchone()[0]
        if req_area <= AXIONE_MAX_AREA:
            cur.execute(
                f"""
                SELECT
                    X(ImmeubleGeoPoint),
                    Y(ImmeubleGeoPoint),
                    IdentifiantImmeuble,
                    EtatImmeuble,
                    NumeroVoieImmeuble,
                    TypeVoieImmeuble,
                    NomVoieImmeuble,
                    CodePostalImmeuble,
                    CommuneImmeuble,
                    DateDebutAcceptationCmdAcces
                FROM {self.db_name}
                WHERE ROWID IN (
                    SELECT ROWID FROM SpatialIndex
                    WHERE f_table_name = '{self.db_name}' AND
                          search_frame = BuildMBR(:swx, :swy, :nex, :ney, 4326))
            """,
                areaCoordinates,
            )

            res = cur.fetchall()

            if not existing_buildings:
                existing_buildings = dict()
            buildings = existing_buildings
            for b in res:
                etatImm = b[3]
                idImm = b[2]
                isEligible = etatImm == AXIONE_ETAT_DEPLOYE
                date_debut = b[9]
                reasonNotEligible = "" if isEligible else "Pas encore deploye"
                date_commandable = ""
                # C'est bien déployé, cependant ce n'est pas encore commandable (donc bientôt et on a la date)
                # On laisse isEligible = True, côté JS il faut regarder le statut pour laj l'affichage en conséquence

                if isEligible and date_debut:
                    try:
                        date_formatted = datetime.strptime(date_debut, '%Y%m%d').date()

                        if date_formatted >= datetime.now().date():
                            etatImm = AXIONE_ETAT_DEPLOYE_NON_COMMANDABLE
                        date_commandable = date_formatted.strftime('%d/%m/%Y')

                    except ValueError as err:
                        print("Error while mainpulating DateDebutAcceptationCmdAcces from Axione DB: ", err)

                aquilenetEligStatus = FAIEligibilityStatus(
                    isEligible=isEligible,
                    ftthStatus=etatImm,
                    reasonNotEligible=reasonNotEligible,
                    dateCommandable=date_commandable
                )
                etat_priority = self._get_etat_priority(etatImm)
                if buildings.get(idImm):
                    buildings[idImm]["aquilenetEligStatus"] = aquilenetEligStatus
                    buildings[idImm]['etat_imm_priority'] = etat_priority
                    if buildings[idImm].get('found_in'):
                        buildings[idImm]['found_in'].append("axione")
                    else:
                        buildings[idImm]['found_in'] = ["axione"]

                else:
                    building = Building(
                        x=b[0],
                        y=b[1],
                        idImm=idImm,
                        numVoieImm=b[4],
                        typeVoieImm=b[5],
                        nomVoieImm=b[6],
                        codePostal=b[7],
                        commune=b[8],
                        bat_info="",
                        found_in = ["axione"],
                        etat_imm_priority=etat_priority,
                        aquilenetEligStatus=aquilenetEligStatus,
                        fdnEligStatus=FAIEligibilityStatus(isEligible=False, reasonNotEligible="", ftthStatus=""),
                        othersEligStatus=FAIEligibilityStatus(isEligible=False, reasonNotEligible="", ftthStatus=""),
                    )
                    buildings[idImm] = building
            return buildings
        else:
            raise ValueError("The requested area is too wide, please reduce it")

    def get_eligibilite_per_id_immeuble(self, id_immeuble: str):

        # Try to get cursor on Axione database
        try:
            cur = getBasicCursor(self.db_axione_ipe_path)
        except Exception as err:
            print("Error while connecting to DB: ", err)
            raise "Could not get Axione data"

        cur.execute(
            f"""
            SELECT EtatImmeuble, DateDebutAcceptationCmdAcces
            FROM {self.db_name_refimm}
            WHERE IdentifiantImmeuble == '{id_immeuble}'
            """
        )
        res = cur.fetchone()
        if res:
            imm_elig = res[0]
            isEligible = imm_elig == AXIONE_ETAT_DEPLOYE
            reasonNotEligible = "" if isEligible else "Pas encore deploye"
        else:
            isEligible = False
            imm_elig = "NOT_AXIONE"
            reasonNotEligible = "Axione ne gere pas ce batiment"

        eligStatus = FAIEligibilityStatus(
            isEligible=isEligible,
            ftthStatus=imm_elig,
            reasonNotEligible=reasonNotEligible,
            dateCommandable=res[1]
        )

        return eligStatus