import re
from config import DSN, DEBUG
from model import StatusMeldung
from logfiles.systeminfo_log import SysteminfoLog
import json
import os
from sqlalchemy import create_engine, select
from sqlalchemy.orm import Session
from datetime import date, timedelta


class PrepareLogfiles:
    def prepare_logfiles(self):
        with Session(create_engine(DSN)) as db_session:
            if DEBUG:
                query = select(StatusMeldung).where(
                    StatusMeldung.datum.between(date.today() - timedelta(days=3), date.today())
                )
            else:
                query = select(StatusMeldung).where(StatusMeldung.fehlerbericht.is_(None))

            for sm in db_session.scalars(query):
                self.convert_logfile(sm)
                db_session.commit()

    def convert_logfile(self, sm: StatusMeldung):
        whitelist_str = sm.kunde_ref.whitelist if sm.kunde_ref is not None else ""
        whitelist = self.get_whitelist(whitelist_str)
        fehlerbericht = dict([(f["Name"], f) for f in json.loads(sm.fehlerbericht_import)])

        for name, report in fehlerbericht.items():
            if ".bat" in name:
                e = report["Errors"][0]
                e = e.replace(
                    "!! Bitte E-Mailadresse fuer Statusbericht angeben !!",
                    "! Bitte E-Mailadresse fuer Statusbericht angeben !",
                )
                e = e.replace(
                    "!! SMTP-Konfiguration bitte anpassen !!",
                    "! SMTP-Konfiguration bitte anpassen !",
                )
                err_count = [0] * 10

                e, err_count[0] = re.subn(r"(!![^\n]*!!)", r"<b>\1</b>", e)
                e, err_count[1] = re.subn(
                    r"\((\w{2}\d{4})\)( [^\r]*)",
                    r"<b><a href='/wiki/\1' target='_blank'>(\1)</a>\2</b>",
                    e,
                )

                e = re.sub(
                    r"Error \= \[Micro.* NULL.*\.",
                    "",
                    e,
                )

                e, err_count[2] = re.subn(
                    r"(Error \= \[Micro[^\r]*)",
                    r"<b>\1</b>",
                    e,
                )

                e, err_count[3] = re.subn(r"(Der Befehl \".*\" ist entweder falsch geschrieben)", r"<b>\1</b>", e)

                e, err_count[4] = re.subn(r"(FEHLER: .*: Source: Impromptu)", r"<b>\1</b>", e)
                e, err_count[5] = re.subn(r"(Traceback)", r"<b>\1</b>", e)
                e, err_count[6] = re.subn(r"(Fatal error: Uncaught exception)", r"<b>\1</b>", e)
                e, err_count[7] = re.subn(r"(Failed to create COM object)", r"<b>\1</b>", e)
                e = re.sub(r"<([^a-z/])", r"\1", e)
                e = re.sub(r"/\s+>", "/>", e)
                e = re.sub(r"([^a-z/])>", r"\1", e)
                report["Errors"][0] = e

                if sum(err_count) > 0:
                    report["ErrorLevel"] = 2
                    report["Errors"] = [e] + re.findall(r"<b>[^\n]*</b>", e)
                    sm.anzahl += 1
            elif ".dtsx" in name:
                e = re.sub(r"\r\n", "\n", report["Errors"][0])
                e = re.sub(r"(\w*)ende\n", "§", e)
                e = re.sub(r"Copyright ", "§", e)
                loglevel_warn = [b for b in e.split("§") if "Status:" not in b]
                loglevel_error = [b for b in loglevel_warn if "Fehler:" in b]
                loglevel_combined = ["<b>" + b + "</b>" if "Fehler:" in b else b for b in loglevel_warn]
                loglevel_combined[-1] = loglevel_combined[-1].replace("DTSER_FAILURE", "<b>DTSER_FAILURE</b>")
                if len(loglevel_error) > 0 or "DTSER_SUCCESS" not in loglevel_combined[-1]:
                    report["ErrorLevel"] = 2
                    sm.anzahl += 1
                report["Errors"][0] = "\n".join(loglevel_combined)
            elif report["Type"] == "Modell":
                if len(report["Errors"]) > 0:
                    report["ErrorLevel"] = str(min([int(e["Level"]) for e in report["Errors"]]))

            elif len(report["Errors"]) > 0 and report["Type"] in [
                "Portal",
                "Versand",
            ]:
                report["Errors2"] = [e for e in report["Errors"] if self.in_whitelist(e, whitelist)]
                report["Errors"] = [e for e in report["Errors"] if e not in report["Errors2"]]
                if len(report["Errors"]) == 0:
                    report["ErrorLevel"] = 3
                    sm.anzahl -= 1

        sm.anzahl = max(0, sm.anzahl)
        sm.fehlerbericht = json.dumps(list(fehlerbericht.values()), indent=2)
        # self.export_log_files(sm, fehlerbericht)
        # batch_log = [f for f in fehlerbericht if ".bat" in f["Name"]].pop(0)
        SysteminfoLog(fehlerbericht.get("system.info", {"Errors": [""]}))
        # if systeminfo_log.ip_address == "0.0.0.0":
        # print(sm.kunde)

    def in_whitelist(self, e, whitelist):
        return any(
            [
                e["Layer"] in whitelist["Layer"],
                e["Report"] in whitelist["Report"],
                e["Report"].lower().endswith("_graf"),
                e["User"] in whitelist["User"],
            ]
        )

    def export_log_files(self, status: StatusMeldung, fehlerbericht):
        kunde = status.kunde.replace(" ", "-").lower()
        path = f"fehlerbericht/temp/{status.datum}_{kunde}_{status.aufgabe}"
        os.makedirs(path, exist_ok=True)
        for file_name in os.listdir(path):
            file = path + file_name
            if os.path.isfile(file):
                os.remove(file)
        for name, f in fehlerbericht.items():
            if f["Type"] != "Workflow":
                continue
            f["Errors"][0] = f["Errors"][0].replace("\r\n", "\n")
            with open(f"{path}/{name}.log", "w", encoding="latin-1") as fwh:
                fwh.write(f["Errors"][0])

    def get_whitelist(self, whitelist2):
        whitelist = {"Layer": [], "Report": [], "User": []}
        if whitelist2 is not None and whitelist2 != "":
            whitelist.update(json.loads(whitelist2))
        return whitelist


def prepare_logfiles():
    mi = PrepareLogfiles()
    mi.prepare_logfiles()


if __name__ == "__main__":
    prepare_logfiles()

    # import cProfile

    # cProfile.run(
    #     "main()",
    #     "fehlerbericht/prepare_logfiles.prof",
    # )