"""
Nouvelles vues pour les groupes
(aux normes ScoDoc9)
"""

from flask import render_template, request


from app.decorators import (
    scodoc,
    permission_required,
)
from app.forms.scolar import groups_form
from app.models import (
    FormSemestre,
)
from app.scodoc.sco_excel import excel_feuille_listeappel
from app.scodoc.sco_groups_view import DisplayedGroupsInfos, menu_groups_choice
from app.scodoc.sco_permissions import Permission
from app.scodoc import sco_utils as scu
from app.views import ScoData
from app.views import scolar_bp as bp


@bp.route("/formulaire_feuille_appel", methods=["GET", "POST"])
@scodoc
@permission_required(Permission.ScoView)
def formulaire_feuille_appel():
    """Formulaire de feuille d'appel

    GET : Affiche le formulaire de remplissage de la feuille d'appel
    POST : Retourne la feuille d'appelle correspondante

    QUERY
    -----
    formsemestre_id:<int:formsemestre_id>
    group_ids:<list:<int:group_id>>

    """
    formsemestre_id: int = request.args.get("formsemestre_id")
    try:
        formsemestre_id = int(formsemestre_id)
    except ValueError:
        formsemestre_id = None

    formsemestre: FormSemestre = FormSemestre.get_formsemestre(formsemestre_id)

    group_ids: list[int] = request.args.getlist("group_ids")

    form: groups_form.FeuilleAppelPreForm = groups_form.FeuilleAppelPreForm(
        request.form
    )

    groups_infos = DisplayedGroupsInfos(
        group_ids,
        formsemestre_id=formsemestre_id,
        select_all_when_unspecified=True,
    )

    if request.method == "POST":
        edt_params: dict = {
            "date": form.date.data or "",
            "heure": form.heure.data or "",
            "discipline": form.discipline.data or "",
            "ens": form.ens.data or "",
        }

        form_group_ids: list[str] = request.form.get("group_ids", "").split(",")
        if form_group_ids:
            groups_infos = DisplayedGroupsInfos(
                form_group_ids,
                formsemestre_id=formsemestre_id,
                select_all_when_unspecified=True,
            )

        xls = excel_feuille_listeappel(
            groups_infos.formsemestre,
            groups_infos.groups_titles,
            groups_infos.members,
            partitions=groups_infos.partitions,
            edt_params=edt_params,
        )

        filename = f"liste_{groups_infos.groups_filename}"
        return scu.send_file(xls, filename, scu.XLSX_SUFFIX, scu.XLSX_MIMETYPE)

    return render_template(
        "scolar/formulaire_feuille_appel.j2",
        sco_data=ScoData(formsemestre=formsemestre),
        form=form,
        group_name=groups_infos.groups_titles,
        grp=menu_groups_choice(groups_infos, html_export=False),
    )