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

##############################################################################
#
# Gestion scolarite IUT
#
# Copyright (c) 1999 - 2023 Emmanuel Viennet.  All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
#   Emmanuel Viennet      emmanuel.viennet@viennet.net
#
##############################################################################

"""Feuille excel pour préparation des jurys classiques (non BUT)
"""
import collections
import time

from openpyxl.styles.numbers import FORMAT_NUMBER_00

from flask import flash
from flask import request
from flask_login import current_user

from app.comp import res_sem
from app.comp.res_compat import NotesTableCompat
from app.models import FormSemestre, Identite, ScolarAutorisationInscription
from app.scodoc import sco_assiduites
from app.scodoc import codes_cursus
from app.scodoc import sco_groups
from app.scodoc import sco_etud
from app.scodoc import sco_excel
from app.scodoc import sco_formsemestre
from app.scodoc import sco_cursus
from app.scodoc import sco_preferences
import app.scodoc.sco_utils as scu
import sco_version


def feuille_preparation_jury(formsemestre_id):
    """Feuille excel pour préparation des jurys classiques.
    Non adaptée pour le BUT.
    """
    formsemestre = FormSemestre.get_formsemestre(formsemestre_id)
    nt: NotesTableCompat = res_sem.load_formsemestre_results(formsemestre)
    etuds = nt.get_inscrits(order_by="moy")  # tri par moy gen
    sem = sco_formsemestre.get_formsemestre(formsemestre_id)

    etud_groups = sco_groups.formsemestre_get_etud_groupnames(formsemestre_id)
    main_partition_id = sco_groups.formsemestre_get_main_partition(formsemestre_id)[
        "partition_id"
    ]

    prev_moy_ue = collections.defaultdict(dict)  # ue_code_s : { etudid : moy ue }
    prev_ue_acro = {}  # ue_code_s : acronyme (à afficher)
    prev_moy = {}  # moyennes gen sem prec
    moy_ue = collections.defaultdict(dict)  # ue_acro : moyennes { etudid : moy ue }
    ue_acro = {}  # ue_code_s : acronyme (à afficher)
    moy = {}  # moyennes gen
    moy_inter = {}  # moyenne gen. sur les 2 derniers semestres
    code = {}  # decision existantes s'il y en a
    autorisations = {}
    prev_code = {}  # decisions sem prec
    assidu = {}
    parcours = {}  # etudid : parcours, sous la forme S1, S2, S2, S3
    groupestd = {}  # etudid : nom groupe principal
    nbabs = {}
    nbabsjust = {}
    for etud in etuds:
        Se = sco_cursus.get_situation_etud_cursus(
            etud.to_dict_scodoc7(), formsemestre_id
        )
        if Se.prev:
            formsemestre_prev = FormSemestre.query.get_or_404(
                Se.prev["formsemestre_id"]
            )
            ntp: NotesTableCompat = res_sem.load_formsemestre_results(formsemestre_prev)
            for ue in ntp.get_ues_stat_dict(filter_sport=True):
                ue_status = ntp.get_etud_ue_status(etud.id, ue["ue_id"])
                ue_code_s = (
                    ue["ue_code"] + "_%s" % ntp.sem["semestre_id"]
                )  # code indentifiant l'UE
                prev_moy_ue[ue_code_s][etud.id] = ue_status["moy"] if ue_status else ""
                prev_ue_acro[ue_code_s] = (ue["numero"], ue["acronyme"], ue["titre"])
            prev_moy[etud.id] = ntp.get_etud_moy_gen(etud.id)
            prev_decision = ntp.get_etud_decision_sem(etud.id)
            if prev_decision:
                prev_code[etud.id] = prev_decision["code"]
                if prev_decision["compense_formsemestre_id"]:
                    prev_code[etud.id] += "+"  # indique qu'il a servi a compenser

        moy[etud.id] = nt.get_etud_moy_gen(etud.id)
        for ue in nt.get_ues_stat_dict(filter_sport=True):
            ue_status = nt.get_etud_ue_status(etud.id, ue["ue_id"])
            ue_code_s = f'{ue["ue_code"]}_{nt.sem["semestre_id"]}'
            moy_ue[ue_code_s][etud.id] = ue_status["moy"] if ue_status else ""
            ue_acro[ue_code_s] = (ue["numero"], ue["acronyme"], ue["titre"])

        if Se.prev:
            try:
                moy_inter[etud.id] = (moy[etud.id] + prev_moy[etud.id]) / 2.0
            except (KeyError, TypeError):
                pass

        decision = nt.get_etud_decision_sem(etud.id)
        if decision:
            code[etud.id] = decision["code"]
            if decision["compense_formsemestre_id"]:
                code[etud.id] += "+"  # indique qu'il a servi a compenser
            assidu[etud.id] = {False: "Non", True: "Oui"}.get(decision["assidu"], "")

        autorisations_etud = ScolarAutorisationInscription.query.filter_by(
            etudid=etud.id, origin_formsemestre_id=formsemestre_id
        ).all()
        autorisations[etud.id] = ", ".join(
            [f"S{x.semestre_id}" for x in autorisations_etud]
        )
        # parcours:
        parcours[etud.id] = Se.get_cursus_descr()
        # groupe principal (td)
        groupestd[etud.id] = ""
        for s in Se.etud["sems"]:
            if s["formsemestre_id"] == formsemestre_id:
                groupestd[etud.id] = etud_groups.get(etud.id, {}).get(
                    main_partition_id, ""
                )
        # absences:
        e_nbabs, e_nbabsjust = sco_assiduites.get_assiduites_count(etud.id, sem)
        nbabs[etud.id] = e_nbabs
        nbabsjust[etud.id] = e_nbabs - e_nbabsjust

    # Codes des UE "semestre précédent":
    ue_prev_codes = list(prev_moy_ue.keys())
    ue_prev_codes.sort(
        key=lambda x, prev_ue_acro=prev_ue_acro: prev_ue_acro[  # pylint: disable=undefined-variable
            x
        ]
    )
    # Codes des UE "semestre courant":
    ue_codes = list(moy_ue.keys())
    ue_codes.sort(
        key=lambda x, ue_acro=ue_acro: ue_acro[x]  # pylint: disable=undefined-variable
    )

    sid = sem["semestre_id"]
    sn = sp = ""
    if sid >= 0:
        sn = f"S{sid}"
        if prev_moy:  # si qq chose dans precedent
            sp = f"S{sid - 1}"

    sheet = sco_excel.ScoExcelSheet(sheet_name=f"Prepa Jury {sn}")
    # génération des styles
    style_bold = sco_excel.excel_make_style(size=10, bold=True)
    style_center = sco_excel.excel_make_style(halign="center")
    style_boldcenter = sco_excel.excel_make_style(bold=True, halign="center")
    style_moy = sco_excel.excel_make_style(
        bold=True, halign="center", bgcolor=sco_excel.COLORS.LIGHT_YELLOW
    )
    style_note = sco_excel.excel_make_style(
        halign="right", number_format=FORMAT_NUMBER_00
    )
    style_note_bold = sco_excel.excel_make_style(
        halign="right", bold=True, number_format="General"
    )

    # Première ligne
    sheet.append_single_cell_row(
        "Feuille préparation Jury %s" % scu.unescape_html(sem["titreannee"]), style_bold
    )
    sheet.append_blank_row()

    # Ligne de titre
    titles = ["Rang"]
    if sco_preferences.get_preference("prepa_jury_nip"):
        titles.append("NIP")
    if sco_preferences.get_preference("prepa_jury_ine"):
        titles.append("INE")
    titles += [
        "etudid",
        "Civ.",
        "Nom",
        "Prénom",
        "Naissance",
        "Bac",
        "Spe",
        "Rg Adm",
        "Parcours",
        "Groupe",
    ]
    if prev_moy:  # si qq chose dans precedent
        titles += [prev_ue_acro[x][1] for x in ue_prev_codes] + [
            f"Moy {sp}",
            f"Décision {sp}",
        ]
    titles += [ue_acro[x][1] for x in ue_codes] + [f"Moy {sn}"]
    if moy_inter:
        titles += [f"Moy {sp}-{sn}"]
    titles += ["Abs", "Abs Injust."]
    if code:
        titles.append("Proposit. {sn}")
    if autorisations:
        titles.append("Autorisations")
    #    titles.append('Assidu')
    sheet.append_row(sheet.make_row(titles, style_boldcenter))
    # if prev_moy:
    #     tit_prev_moy = "Moy " + sp
    #     # col_prev_moy = titles.index(tit_prev_moy)
    # tit_moy = "Moy " + sn
    # col_moy = titles.index(tit_moy)
    # col_abs = titles.index("Abs")

    def fmt(x):
        "reduit les notes a deux chiffres"
        x = scu.fmt_note(x, keep_numeric=False)
        try:
            return float(x)
        except:
            return x

    i = 1  # numero etudiant
    for etud in etuds:
        cells = []
        cells.append(sheet.make_cell(str(i)))
        if sco_preferences.get_preference("prepa_jury_nip"):
            cells.append(sheet.make_cell(etud.code_nip))
        if sco_preferences.get_preference("prepa_jury_ine"):
            cells.append(sheet.make_cell(etud.code_ine))
        cells += sheet.make_row(
            [
                etud.id,
                etud.civilite_str,
                sco_etud.format_nom(etud.nom),
                sco_etud.format_prenom(etud.prenom),
                etud.date_naissance,
                etud.admission.bac if etud.admission else "",
                etud.admission.specialite if etud.admission else "",
                etud.admission.classement if etud.admission else "",
                parcours[etud.id],
                groupestd[etud.id],
            ]
        )
        co = len(cells)
        if prev_moy:
            for ue_acro in ue_prev_codes:
                cells.append(
                    sheet.make_cell(
                        fmt(prev_moy_ue.get(ue_acro, {}).get(etud.id, "")), style_note
                    )
                )
                co += 1
            cells.append(
                sheet.make_cell(fmt(prev_moy.get(etud.id, "")), style_bold)
            )  # moy gen prev
            cells.append(
                sheet.make_cell(fmt(prev_code.get(etud.id, "")), style_moy)
            )  # decision prev
            co += 2

        for ue_acro in ue_codes:
            cells.append(
                sheet.make_cell(
                    fmt(moy_ue.get(ue_acro, {}).get(etud.id, "")), style_note
                )
            )
            co += 1
        cells.append(
            sheet.make_cell(fmt(moy.get(etud.id, "")), style_note_bold)
        )  # moy gen
        co += 1
        if moy_inter:
            cells.append(sheet.make_cell(fmt(moy_inter.get(etud.id, "")), style_note))
        cells.append(sheet.make_cell(nbabs.get(etud.id, ""), style_center))
        cells.append(sheet.make_cell(nbabsjust.get(etud.id, ""), style_center))
        if code:
            cells.append(sheet.make_cell(code.get(etud.id, ""), style_moy))
        cells.append(sheet.make_cell(autorisations.get(etud.id, ""), style_moy))
        #        l.append(assidu.get(etud.id, ''))
        sheet.append_row(cells)
        i += 1
    #
    sheet.append_blank_row()
    # Explications des codes
    codes = list(codes_cursus.CODES_EXPL.keys())
    codes.sort()
    sheet.append_single_cell_row("Explication des codes")
    for code in codes:
        sheet.append_row(
            sheet.make_row(["", "", "", code, codes_cursus.CODES_EXPL[code]])
        )
    sheet.append_row(
        sheet.make_row(
            [
                "",
                "",
                "",
                "ADM+",
                "indique que le semestre a déjà servi à en compenser un autre",
            ]
        )
    )
    # UE : Correspondances acronyme et titre complet
    sheet.append_blank_row()
    sheet.append_single_cell_row("Titre des UE")
    if prev_moy:
        for ue in ntp.get_ues_stat_dict(filter_sport=True):
            sheet.append_row(sheet.make_row(["", "", "", ue["acronyme"], ue["titre"]]))
    for ue in nt.get_ues_stat_dict(filter_sport=True):
        sheet.append_row(sheet.make_row(["", "", "", ue["acronyme"], ue["titre"]]))
    #
    sheet.append_blank_row()
    sheet.append_single_cell_row(
        "Préparé par %s le %s sur %s pour %s"
        % (
            sco_version.SCONAME,
            time.strftime("%d/%m/%Y"),
            request.url_root,
            current_user,
        )
    )
    xls = sheet.generate()
    flash("Feuille préparation jury générée")
    return scu.send_file(
        xls,
        f"PrepaJury{sn}",
        scu.XLSX_SUFFIX,
        mime=scu.XLSX_MIMETYPE,
    )