# -*- mode: python -*-
# -*- coding: utf-8 -*-

"""Creation environnement pour test.
A utiliser avec debug.py (côté serveur).

La classe ScoFake offre un ensemble de raccourcis permettant d'écrire
facilement des tests ou de reproduire des bugs.
"""
import datetime
from functools import wraps
import random
import sys
import string
import typing

from app import db, log
from app.auth.models import User
from app.models import (
    Departement,
    Evaluation,
    Formation,
    FormationModalite,
    Identite,
    Matiere,
    ModuleImpl,
)
from app.scodoc import codes_cursus
from app.scodoc import sco_edit_matiere
from app.scodoc import sco_edit_module
from app.scodoc import sco_edit_ue
from app.scodoc import sco_formsemestre
from app.scodoc import sco_formsemestre_inscriptions
from app.scodoc import sco_formsemestre_validation
from app.scodoc import sco_moduleimpl
from app.scodoc import sco_saisie_notes
from app.scodoc import sco_synchro_etuds
from app.scodoc import sco_utils as scu
from app.scodoc.sco_exceptions import ScoValueError
from config import Config, TestConfig


random.seed(12345)  # tests reproductibles


NOMS_DIR = Config.SCODOC_DIR + "/tools/fakeportal/nomsprenoms"
NOMS = [
    x.strip()
    for x in open(NOMS_DIR + "/noms.txt", encoding=scu.SCO_ENCODING).readlines()
]
PRENOMS_H = [
    x.strip()
    for x in open(NOMS_DIR + "/prenoms-h.txt", encoding=scu.SCO_ENCODING).readlines()
]
PRENOMS_F = [
    x.strip()
    for x in open(NOMS_DIR + "/prenoms-f.txt", encoding=scu.SCO_ENCODING).readlines()
]
PRENOMS_X = [
    x.strip()
    for x in open(NOMS_DIR + "/prenoms-x.txt", encoding=scu.SCO_ENCODING).readlines()
]


def id_generator(size=6, chars=string.ascii_uppercase + string.digits):
    return "".join(random.choice(chars) for _ in range(size))


def logging_meth(func):
    @wraps(func)
    def wrapper_logging_meth(self, *args, **kwargs):
        r = func(self, *args, **kwargs)
        # self.log("%s(%s) -> \n%s" % (func.__name__, kwargs, pprint.pformat(r)))
        return r

    return wrapper_logging_meth


class ScoFake(object):
    """Helper for ScoDoc tests"""

    def __init__(self, verbose=True, dept=None):
        self.verbose = verbose
        self.default_user = User.query.filter_by(user_name="bach").first()
        if not self.default_user:
            raise ScoValueError('User test "bach" not found !')
        self.dept = (
            dept or Departement.query.filter_by(acronym=TestConfig.DEPT_TEST).first()
        )
        assert self.dept

    def log(self, msg):
        if self.verbose:
            print("ScoFake: " + str(msg), file=sys.stderr)
            sys.stderr.flush()
        log("ScoFake: " + str(msg))

    def civilitenomprenom(self):
        """un nom et un prenom au hasard,
        toujours en majuscules.
        """
        civilite = random.choice(("M", "M", "M", "F", "F", "F", "X"))
        if civilite == "F":
            prenom = random.choice(PRENOMS_F)
        elif civilite == "M":
            prenom = random.choice(PRENOMS_H)
        elif civilite == "X":
            prenom = random.choice(PRENOMS_X)
        else:
            raise ValueError("invalid civilite value")
        return civilite, random.choice(NOMS).upper(), prenom.upper()

    @logging_meth
    def create_etud(
        self,
        cnx=None,
        code_nip=None,
        nom="",
        prenom="",
        code_ine=None,
        civilite="",
        etape="TST1",
        email="test@localhost",
        emailperso="perso@localhost",
        date_naissance="01/01/2001",
        lieu_naissance="Paris",
        dept_naissance="75",
        domicile="1, rue du test",
        codepostaldomicile="75123",
        villedomicile="TestCity",
        paysdomicile="France",
        telephone="0102030405",
        typeadresse="domicile",
        boursier=None,
        description="etudiant test",
    ) -> dict:
        """Crée un étudiant"""
        if code_nip == "":
            code_nip = str(random.randint(10000, 99999))
        if not civilite or not nom or not prenom:
            r_civilite, r_nom, r_prenom = self.civilitenomprenom()
            if not civilite:
                civilite = r_civilite
            if not nom:
                nom = r_nom
            if not prenom:
                prenom = r_prenom
        dept_id = self.dept.id  # pylint: disable=possibly-unused-variable
        inscription = "2020"  # pylint: disable=possibly-unused-variable
        args = locals()
        etud = Identite.create_from_dict(args)
        db.session.commit()
        sco_synchro_etuds.do_import_etud_admission(etud, args)
        return etud.to_dict_scodoc7()

    @logging_meth
    def create_formation(
        self,
        acronyme="test",
        titre="Formation test",
        titre_officiel="Le titre officiel de la formation test",
        type_parcours: int = codes_cursus.CursusDUT.TYPE_CURSUS,
        formation_code=None,
        code_specialite=None,
    ) -> int:
        """Crée une formation"""
        if not acronyme:
            acronyme = "TEST" + str(random.randint(100000, 999999))
        formation = Formation(
            acronyme=scu.strip_str(acronyme),
            titre=scu.strip_str(titre),
            titre_officiel=scu.strip_str(titre_officiel),
            type_parcours=type_parcours,
            formation_code=scu.strip_str(formation_code),
            code_specialite=scu.strip_str(code_specialite),
            dept_id=self.dept.id,
        )
        db.session.add(formation)
        db.session.commit()
        return formation.id

    @logging_meth
    def create_ue(
        self,
        formation_id=None,
        acronyme=None,
        numero=0,
        titre="",
        type=None,
        ue_code=None,
        ects=None,
        is_external=None,
        code_apogee=None,
        coefficient=None,
        semestre_idx=None,
    ) -> int:
        """Crée une UE.
        return: ue_id
        """
        if numero is None:
            numero = sco_edit_ue.next_ue_numero(formation_id, 0)
        oid = sco_edit_ue.do_ue_create(locals())
        oids = sco_edit_ue.ue_list(args={"ue_id": oid})
        if not oids:
            raise ScoValueError("ue not created !")
        return oid

    @logging_meth
    def create_matiere(self, ue_id=None, titre=None, numero=0) -> int:
        oid = sco_edit_matiere.do_matiere_create(locals())
        oids = sco_edit_matiere.matiere_list(args={"matiere_id": oid})
        if not oids:
            raise ScoValueError("matiere not created !")
        return oid

    @logging_meth
    def create_module(
        self,
        titre=None,
        code=None,
        heures_cours=None,
        heures_td=None,
        heures_tp=None,
        coefficient=None,
        matiere_id=None,
        semestre_id=1,
        numero=0,
        abbrev=None,
        ects=None,
        code_apogee=None,
        module_type=scu.ModuleType.STANDARD,
    ) -> int:
        matiere = db.session.get(Matiere, matiere_id)
        ue_id = matiere.ue.id
        formation_id = matiere.ue.formation.id
        oid = sco_edit_module.do_module_create(locals())
        oids = sco_edit_module.module_list(args={"module_id": oid})
        if not oids:
            raise ScoValueError(f"module not created ! (oid={oid})")
        return oid

    @logging_meth
    def create_formsemestre(
        self,
        formation_id=None,
        semestre_id=None,
        titre="",
        date_debut=None,
        date_fin=None,
        etat=None,
        gestion_compensation=None,
        bul_hide_xml=None,
        block_moyennes=None,
        block_moyenne_generale=None,
        gestion_semestrielle=None,
        bul_bgcolor=None,
        modalite=FormationModalite.DEFAULT_MODALITE,
        resp_can_edit=None,
        resp_can_change_ens=None,
        ens_can_edit_eval=None,
        elt_sem_apo=None,
        elt_annee_apo=None,
        etapes=None,
        responsables=None,  # sequence of resp. ids
    ) -> int:
        if responsables is None:
            responsables = (self.default_user.id,)
        titre = titre or "sans titre"
        oid = sco_formsemestre.do_formsemestre_create(locals())
        oids = sco_formsemestre.do_formsemestre_list(
            args={"formsemestre_id": oid}
        )  # API inconsistency
        if not oids:
            raise ScoValueError("formsemestre not created !")
        return oid

    @logging_meth
    def create_moduleimpl(
        self,
        module_id: int = None,
        formsemestre_id: int = None,
        responsable_id: typing.Optional[int] = None,
    ) -> int:
        if not responsable_id:
            responsable_id = self.default_user.id
        oid = sco_moduleimpl.do_moduleimpl_create(locals())
        oids = sco_moduleimpl.moduleimpl_list(moduleimpl_id=oid)  # API inconsistency
        if not oids:
            raise ScoValueError("moduleimpl not created !")
        return oid

    @logging_meth
    def inscrit_etudiant(self, formsemestre_id: int, etud: dict):
        sco_formsemestre_inscriptions.do_formsemestre_inscription_with_modules(
            formsemestre_id,
            etud["etudid"],
            etat="I",
            etape=etud.get("etape", None),
            method="test_inscrit_etudiant",
        )

    @logging_meth
    def create_evaluation(
        self,
        moduleimpl_id=None,
        date_debut: datetime.datetime = None,
        date_fin: datetime.datetime = None,
        description=None,
        note_max=20,
        coefficient=None,
        visibulletin=None,
        publish_incomplete=None,
        evaluation_type=None,
        numero=None,
    ) -> dict:
        args = locals()
        del args["self"]
        moduleimpl: ModuleImpl = db.session.get(ModuleImpl, moduleimpl_id)
        assert moduleimpl
        evaluation: Evaluation = Evaluation.create(moduleimpl=moduleimpl, **args)
        db.session.add(evaluation)
        db.session.commit()
        eval_dict = evaluation.to_dict()
        eval_dict["id"] = evaluation.id
        return eval_dict

    @logging_meth
    def create_note(
        self,
        evaluation_id: int = None,
        etudid: int = None,
        note=None,
        comment: str = None,
        user: User = None,  # User instance
    ):
        if user is None:
            user = self.default_user
        return sco_saisie_notes.notes_add(
            user,
            evaluation_id,
            [(etudid, note)],
            comment=comment,
        )

    def setup_formation(
        self,
        nb_semestre=1,
        nb_ue_per_semestre=2,
        nb_module_per_ue=2,
        acronyme=None,
        titre=None,
    ):
        """Création d'une formation, avec UE, modules et évaluations.

        Formation avec `nb_semestre` comportant chacun `nb_ue_per_semestre` UE
        et dans chaque UE `nb_module_per_ue` modules (on a une seule matière par UE).

        Returns:
            formation_id, liste d'ue (dicts), liste de modules.
        """
        formation_id = self.create_formation(acronyme=acronyme, titre=titre)
        ue_ids = []
        mod_ids = []
        for semestre_id in range(1, nb_semestre + 1):
            for n in range(1, nb_ue_per_semestre + 1):
                ue_id = self.create_ue(
                    formation_id=formation_id,
                    acronyme="TSU%s%s" % (semestre_id, n),
                    titre="ue test %s%s" % (semestre_id, n),
                )
                ue_ids.append(ue_id)
                matiere_id = self.create_matiere(ue_id=ue_id, titre="matière test")
                for _ in range(nb_module_per_ue):
                    mod = self.create_module(
                        matiere_id=matiere_id,
                        semestre_id=semestre_id,
                        code="TSM%s" % len(mod_ids),
                        coefficient=1.0,
                        titre="module test",
                    )
                    mod_ids.append(mod)
        return formation_id, ue_ids, mod_ids

    def setup_formsemestre(
        self,
        f,
        mod_list,
        semestre_id=1,
        date_debut="01/01/2020",
        date_fin="30/06/2020",
        nb_evaluations_per_module=1,
        titre=None,
        responsables=None,  # list of users ids
        modalite=None,
    ):
        """Création semestre, avec modules et évaluations."""
        formsemestre_id = self.create_formsemestre(
            formation_id=f["formation_id"],
            semestre_id=semestre_id,
            date_debut=date_debut,
            date_fin=date_fin,
            titre=titre,
            responsables=responsables,
            modalite=modalite,
        )
        eval_list = []
        for mod in mod_list:
            if mod["semestre_id"] == semestre_id:
                moduleimpl_id = self.create_moduleimpl(
                    module_id=mod["module_id"],
                    formsemestre_id=formsemestre_id,
                    responsable_id="bach",
                )
                for e_idx in range(1, nb_evaluations_per_module + 1):
                    e = self.create_evaluation(
                        moduleimpl_id=moduleimpl_id,
                        date_debut=datetime.datetime.strptime(date_debut, scu.DATE_FMT),
                        description="evaluation test %s" % e_idx,
                        coefficient=1.0,
                    )
                    eval_list.append(e)
        return formsemestre_id, eval_list

    def set_etud_notes_evals(
        self, eval_list: list[dict], etuds: list[dict], notes=None
    ):
        """Met des notes aux étudiants indiqués des evals indiquées.

        Args:
            notes: liste des notes (float).
            Si non spécifié, utilise la liste NOTES_T
        """
        from tests.unit.setup import NOTES_T

        if notes is None:
            notes = NOTES_T
        for e in eval_list:
            for idx, etud in enumerate(etuds):
                self.create_note(
                    evaluation_id=e["evaluation_id"],
                    etudid=etud["etudid"],
                    note=notes[idx % len(notes)],
                )

    def set_code_jury(
        self,
        formsemestre_id,
        etud,
        code_etat=codes_cursus.ADM,
        devenir=codes_cursus.NEXT,
        assidu=True,
    ):
        """Affecte décision de jury"""
        sco_formsemestre_validation.formsemestre_validation_etud_manu(
            formsemestre_id=formsemestre_id,
            etudid=etud["etudid"],
            code_etat=code_etat,
            devenir=devenir,
            assidu=assidu,
        )